idx int64 0 165k | question stringlengths 73 5.81k | target stringlengths 5 918 |
|---|---|---|
14,500 | static public String safeSqlQueryIntegerValue ( String in ) throws Exception { int intValue = Integer . parseInt ( in ) ; return "" + intValue ; } | This method converts a string into a new one that is safe for a SQL query . It deals with strings that are expected to be integer values . |
14,501 | static public String safeSqlQueryIdentifier ( String in ) throws Exception { if ( null == in ) { throw new Exception ( "Null string passed as identifier" ) ; } if ( in . indexOf ( '\0' ) >= 0 ) { throw new Exception ( "Null character found in identifier" ) ; } in = in . replace ( "\"" , "\"\"" ) ; in = "\"" + in + "\""... | This method converts a string into a new one that is safe for a SQL query . It deals with strings that are supposed to be identifiers . |
14,502 | static public String extractStringResult ( ResultSet rs , ResultSetMetaData rsmd , int index ) throws Exception { int count = rsmd . getColumnCount ( ) ; if ( index > count || index < 1 ) { throw new Exception ( "Invalid index" ) ; } int type = rsmd . getColumnType ( index ) ; switch ( type ) { case java . sql . Types ... | This method returns a String result at a given index . |
14,503 | static public int extractIntResult ( ResultSet rs , ResultSetMetaData rsmd , int index ) throws Exception { int count = rsmd . getColumnCount ( ) ; if ( index > count || index < 1 ) { throw new Exception ( "Invalid index" ) ; } int type = rsmd . getColumnType ( index ) ; switch ( type ) { case java . sql . Types . INTE... | This method returns an int result at a given index . |
14,504 | static public void addKnownString ( String mimeType , String knownString ) { Map < String , String > map = getKnownStrings ( ) ; if ( null != mimeType && null != knownString ) { map . put ( knownString . trim ( ) , mimeType . trim ( ) ) ; } } | Adds a relation between a known string for File and a mime type . |
14,505 | private static IIOMetadataNode getOrCreateChildNode ( IIOMetadataNode parentNode , String name ) { NodeList nodeList = parentNode . getElementsByTagName ( name ) ; if ( nodeList . getLength ( ) > 0 ) { return ( IIOMetadataNode ) nodeList . item ( 0 ) ; } IIOMetadataNode childNode = new IIOMetadataNode ( name ) ; parent... | Gets the named child node or creates and attaches it . |
14,506 | private static void setDPI ( IIOMetadata metadata , int dpi , String formatName ) throws IIOInvalidTreeException { IIOMetadataNode root = ( IIOMetadataNode ) metadata . getAsTree ( MetaUtil . STANDARD_METADATA_FORMAT ) ; IIOMetadataNode dimension = getOrCreateChildNode ( root , "Dimension" ) ; float res = "PNG" . equal... | sets the DPI metadata |
14,507 | static void updateMetadata ( IIOMetadata metadata , int dpi ) throws IIOInvalidTreeException { MetaUtil . debugLogMetadata ( metadata , MetaUtil . JPEG_NATIVE_FORMAT ) ; Element root = ( Element ) metadata . getAsTree ( MetaUtil . JPEG_NATIVE_FORMAT ) ; NodeList jvarNodeList = root . getElementsByTagName ( "JPEGvariety... | Set dpi in a JPEG file |
14,508 | public String nextToken ( ) throws JSONException { char c ; char q ; StringBuilder sb = new StringBuilder ( ) ; do { c = next ( ) ; } while ( Character . isWhitespace ( c ) ) ; if ( c == '"' || c == '\'' ) { q = c ; for ( ; ; ) { c = next ( ) ; if ( c < ' ' ) { throw syntaxError ( "Unterminated string." ) ; } if ( c ==... | Get the next token or string . This is used in parsing HTTP headers . |
14,509 | public static JSONObject toJSONObject ( java . util . Properties properties ) throws JSONException { JSONObject jo = new JSONObject ( ) ; if ( properties != null && ! properties . isEmpty ( ) ) { Enumeration < ? > enumProperties = properties . propertyNames ( ) ; while ( enumProperties . hasMoreElements ( ) ) { String ... | Converts a property file object into a JSONObject . The property file object is a table of name value pairs . |
14,510 | private void performSubmittedInlineWork ( Work work ) throws Exception { String attachmentName = work . getAttachmentName ( ) ; FileConversionContext conversionContext = new FileConversionContextImpl ( work , documentDbDesign , mediaDir ) ; DocumentDescriptor docDescriptor = conversionContext . getDocument ( ) ; Attach... | This function is called when a media file was added on a different node such as a mobile device . In that case the media is marked as submitted_inline since the media is already attached to the document but as not yet gone through the process that the robot implements . |
14,511 | static void debugLogMetadata ( IIOMetadata metadata , String format ) { if ( ! logger . isDebugEnabled ( ) ) { return ; } IIOMetadataNode root = ( IIOMetadataNode ) metadata . getAsTree ( format ) ; try { StringWriter xmlStringWriter = new StringWriter ( ) ; StreamResult streamResult = new StreamResult ( xmlStringWrite... | logs metadata as an XML tree if debug is enabled |
14,512 | static public FSEntry getPositionedBuffer ( String path , byte [ ] content ) throws Exception { List < String > pathFrags = FSEntrySupport . interpretPath ( path ) ; int index = pathFrags . size ( ) - 1 ; FSEntry root = new FSEntryBuffer ( pathFrags . get ( index ) , content ) ; -- index ; while ( index >= 0 ) { FSEntr... | Create a virtual tree hierarchy with a buffer supporting the leaf . |
14,513 | static public Result insertElements ( Tree tree , List < TreeElement > elements , NowReference now ) throws Exception { ResultImpl result = new ResultImpl ( tree ) ; TreeNodeRegular regularRootNode = tree . getRegularRootNode ( ) ; TreeNodeOngoing ongoingRootNode = tree . getOngoingRootNode ( ) ; for ( TreeElement elem... | Modifies a cluster tree as a result of adding a new elements in the tree . |
14,514 | public NunaliitGeometry getOriginalGometry ( ) throws Exception { NunaliitGeometryImpl result = null ; JSONObject jsonDoc = getJSONObject ( ) ; JSONObject nunalitt_geom = jsonDoc . optJSONObject ( CouchNunaliitConstants . DOC_KEY_GEOMETRY ) ; if ( null != nunalitt_geom ) { String wkt = nunalitt_geom . optString ( "wkt"... | Return the original geometry associated with the document . This is the geometry that was first submitted with the document . If the document does not contain a geometry then null is returned . |
14,515 | static public String getDocumentIdentifierFromSubmission ( JSONObject submissionDoc ) throws Exception { JSONObject submissionInfo = submissionDoc . getJSONObject ( "nunaliit_submission" ) ; JSONObject originalReserved = submissionInfo . optJSONObject ( "original_reserved" ) ; JSONObject submittedReserved = submissionI... | Computes the target document identifier for this submission . Returns null if it can not be found . |
14,516 | static public JSONObject getSubmittedDocumentFromSubmission ( JSONObject submissionDoc ) throws Exception { JSONObject submissionInfo = submissionDoc . getJSONObject ( "nunaliit_submission" ) ; JSONObject doc = submissionInfo . getJSONObject ( "submitted_doc" ) ; JSONObject reserved = submissionInfo . optJSONObject ( "... | Re - creates the document submitted by the client from the submission document . |
14,517 | static public JSONObject getApprovedDocumentFromSubmission ( JSONObject submissionDoc ) throws Exception { JSONObject submissionInfo = submissionDoc . getJSONObject ( "nunaliit_submission" ) ; JSONObject doc = submissionInfo . optJSONObject ( "approved_doc" ) ; if ( null != doc ) { JSONObject reserved = submissionInfo ... | Re - creates the approved document submitted by the client from the submission document . |
14,518 | static public JSONObject recreateDocumentFromDocAndReserved ( JSONObject doc , JSONObject reserved ) throws Exception { JSONObject result = JSONSupport . copyObject ( doc ) ; if ( null != reserved ) { Iterator < ? > it = reserved . keys ( ) ; while ( it . hasNext ( ) ) { Object keyObj = it . next ( ) ; if ( keyObj inst... | Re - creates a document given the document and the reserved keys . |
14,519 | private void removeUndesiredFiles ( JSONObject doc , File dir ) throws Exception { Set < String > keysKept = new HashSet < String > ( ) ; File [ ] children = dir . listFiles ( ) ; for ( File child : children ) { String name = child . getName ( ) ; String extension = "" ; Matcher matcherNameExtension = patternNameExtens... | This function scans the directory for files that are no longer needed to represent the document given in arguments . The detected files are deleted from disk . |
14,520 | synchronized static private byte [ ] getSecret ( ) throws Exception { if ( null == secret ) { Date now = new Date ( ) ; long nowValue = now . getTime ( ) ; byte [ ] nowBytes = new byte [ 8 ] ; nowBytes [ 0 ] = ( byte ) ( ( nowValue >> 0 ) & 0xff ) ; nowBytes [ 1 ] = ( byte ) ( ( nowValue >> 8 ) & 0xff ) ; nowBytes [ 2 ... | protected for testing |
14,521 | static public void sendAuthRequiredError ( HttpServletResponse response , String realm ) throws IOException { response . setHeader ( "WWW-Authenticate" , "Basic realm=\"" + realm + "\"" ) ; response . setHeader ( "Cache-Control" , "no-cache,must-revalidate" ) ; response . setDateHeader ( "Expires" , ( new Date ( ) ) . ... | Sends a response to the client stating that authorization is required . |
14,522 | static public String userToCookieString ( boolean loggedIn , User user ) throws Exception { JSONObject cookieObj = new JSONObject ( ) ; cookieObj . put ( "logged" , loggedIn ) ; JSONObject userObj = user . toJSON ( ) ; cookieObj . put ( "user" , userObj ) ; StringWriter sw = new StringWriter ( ) ; cookieObj . write ( s... | Converts an instance of User to JSON object fit for a cookie |
14,523 | static public FSEntry findDescendant ( FSEntry root , String path ) throws Exception { if ( null == root ) { throw new Exception ( "root parameter should not be null" ) ; } List < String > pathFrags = interpretPath ( path ) ; FSEntry seekedEntry = root ; for ( String pathFrag : pathFrags ) { FSEntry nextEntry = null ; ... | Traverses a directory structure designated by root and looks for a descendant with the provided path . If found the supporting instance of FSEntry for the path is returned . If not found null is returned . |
14,524 | static public List < String > interpretPath ( String path ) throws Exception { if ( null == path ) { throw new Exception ( "path parameter should not be null" ) ; } if ( path . codePointAt ( 0 ) == '/' ) { throw new Exception ( "absolute path is not acceptable" ) ; } List < String > pathFragments = new Vector < String ... | Utility method used to convert a path into its effective segments . |
14,525 | protected List < I > rankItems ( final Map < I , Double > userItems ) { List < I > sortedItems = new ArrayList < > ( ) ; if ( userItems == null ) { return sortedItems ; } Map < Double , Set < I > > itemsByRank = new HashMap < > ( ) ; for ( Map . Entry < I , Double > e : userItems . entrySet ( ) ) { I item = e . getKey ... | Ranks the set of items by associated score . |
14,526 | protected List < Double > rankScores ( final Map < I , Double > userItems ) { List < Double > sortedScores = new ArrayList < > ( ) ; if ( userItems == null ) { return sortedScores ; } for ( Map . Entry < I , Double > e : userItems . entrySet ( ) ) { double pref = e . getValue ( ) ; if ( Double . isNaN ( pref ) ) { cont... | Ranks the scores of an item - score map . |
14,527 | public static void runLenskitRecommenders ( final Set < String > paths , final Properties properties ) { for ( AbstractRunner < Long , Long > rec : instantiateLenskitRecommenders ( paths , properties ) ) { RecommendationRunner . run ( rec ) ; } } | Runs the Lenskit recommenders . |
14,528 | public static void runMahoutRecommenders ( final Set < String > paths , final Properties properties ) { for ( AbstractRunner < Long , Long > rec : instantiateMahoutRecommenders ( paths , properties ) ) { RecommendationRunner . run ( rec ) ; } } | Runs Mahout - based recommenders . |
14,529 | public static void runRanksysRecommenders ( final Set < String > paths , final Properties properties ) { for ( AbstractRunner < Long , Long > rec : instantiateRanksysRecommenders ( paths , properties ) ) { RecommendationRunner . run ( rec ) ; } } | Runs Ranksys - based recommenders . |
14,530 | public static void listAllFiles ( final Set < String > setOfPaths , final String inputPath ) { if ( inputPath == null ) { return ; } File [ ] files = new File ( inputPath ) . listFiles ( ) ; if ( files == null ) { return ; } for ( File file : files ) { if ( file . isDirectory ( ) ) { listAllFiles ( setOfPaths , file . ... | List all files at a certain path . |
14,531 | public double getValueAt ( final U user , final int at ) { if ( userRecallAtCutoff . containsKey ( at ) && userRecallAtCutoff . get ( at ) . containsKey ( user ) ) { return userRecallAtCutoff . get ( at ) . get ( user ) / userTotalRecall . get ( user ) ; } return Double . NaN ; } | Method to return the recall value at a particular cutoff level for a given user . |
14,532 | public static void getAllRecommendationFiles ( final Set < String > recommendationFiles , final File path , final String prefix , final String suffix ) { if ( path == null ) { return ; } File [ ] files = path . listFiles ( ) ; if ( files == null ) { return ; } for ( File file : files ) { if ( file . isDirectory ( ) ) {... | Get all recommendation files . |
14,533 | public void compute ( ) { if ( ! Double . isNaN ( getValue ( ) ) ) { return ; } iniCompute ( ) ; Map < U , List < Double > > data = processDataAsPredictedDifferencesToTest ( ) ; int testItems = 0 ; for ( U testUser : getTest ( ) . getUsers ( ) ) { int userItems = 0 ; double umse = 0.0 ; if ( data . containsKey ( testUs... | Instantiates and computes the RMSE value . Prior to running this there is no valid value . |
14,534 | public TemporalDataModelIF < Long , Long > run ( final RUN_OPTIONS opts ) throws RecommenderException , TasteException , IOException { if ( isAlreadyRecommended ( ) ) { return null ; } DataModel trainingModel = new FileDataModel ( new File ( getProperties ( ) . getProperty ( RecommendationRunner . TRAINING_SET ) ) ) ; ... | Runs the recommender using models from file . |
14,535 | public void split ( final String inFile , final String outPath , boolean perUser , long seed , String delimiter , boolean isTemporalData ) { try { if ( delimiter == null ) delimiter = this . delimiter ; DataModelIF < Long , Long > [ ] splits = new CrossValidationSplitter < Long , Long > ( this . numFolds , perUser , se... | Load a dataset and stores the splits generated from it . |
14,536 | public void recommend ( final String inPath , final String outPath ) throws IOException , TasteException { for ( int i = 0 ; i < this . numFolds ; i ++ ) { org . apache . mahout . cf . taste . model . DataModel trainModel ; org . apache . mahout . cf . taste . model . DataModel testModel ; trainModel = new FileDataMode... | Make predictions . |
14,537 | public void buildEvaluationModels ( final String splitPath , final String predictionsPath , final String outPath ) { for ( int i = 0 ; i < this . numFolds ; i ++ ) { File trainingFile = new File ( Paths . get ( splitPath , "train_" + i + FILE_EXT ) . toString ( ) ) ; File testFile = new File ( Paths . get ( splitPath ,... | Prepare the strategy models using prediction files . |
14,538 | public Double getUserItemPreference ( U u , I i ) { if ( userItemPreferences . containsKey ( u ) && userItemPreferences . get ( u ) . containsKey ( i ) ) { return userItemPreferences . get ( u ) . get ( i ) ; } return Double . NaN ; } | Method that returns the preference between a user and an item . |
14,539 | public Iterable < I > getUserItems ( U u ) { if ( userItemPreferences . containsKey ( u ) ) { return userItemPreferences . get ( u ) . keySet ( ) ; } return Collections . emptySet ( ) ; } | Method that returns the items of a user . |
14,540 | public void addPreference ( final U u , final I i , final Double d ) { Map < I , Double > userPreferences = userItemPreferences . get ( u ) ; if ( userPreferences == null ) { userPreferences = new HashMap < > ( ) ; userItemPreferences . put ( u , userPreferences ) ; } Double preference = userPreferences . get ( i ) ; i... | Method that adds a preference to the model between a user and an item . |
14,541 | public static void writeData ( final long user , final List < Preference < Long , Long > > recommendations , final String path , final String fileName , final boolean append , final TemporalDataModelIF < Long , Long > model ) { BufferedWriter out = null ; try { File dir = null ; if ( path != null ) { dir = new File ( p... | Write recommendations to file . |
14,542 | public static void main ( final String [ ] args ) throws Exception { String propertyFile = System . getProperty ( "propertyFile" ) ; final Properties properties = new Properties ( ) ; try { properties . load ( new FileInputStream ( propertyFile ) ) ; } catch ( IOException ie ) { ie . printStackTrace ( ) ; } run ( prope... | Main method for running a single evaluation metric . |
14,543 | @ SuppressWarnings ( "unchecked" ) public static void run ( final Properties properties ) throws IOException , ClassNotFoundException , IllegalAccessException , InstantiationException , InvocationTargetException , NoSuchMethodException { System . out . println ( "Parsing started: recommendation file" ) ; File recommend... | Runs a single evaluation metric . |
14,544 | @ SuppressWarnings ( "unchecked" ) public static < U , I > void generateOutput ( final DataModelIF < U , I > testModel , final int [ ] rankingCutoffs , final EvaluationMetric < U > metric , final String metricName , final Boolean perUser , final File resultsFile , final Boolean overwrite , final Boolean append ) throws... | Generates the output of the evaluation . |
14,545 | public static void run ( final Properties properties ) throws IOException , ClassNotFoundException , IllegalAccessException , InstantiationException , InvocationTargetException , NoSuchMethodException { System . out . println ( "Parsing started: training file" ) ; File trainingFile = new File ( properties . getProperty... | Process the property file and runs the specified strategies on some data . |
14,546 | public static void generateOutput ( final DataModelIF < Long , Long > testModel , final File userRecommendationFile , final EvaluationStrategy < Long , Long > strategy , final EvaluationStrategy . OUTPUT_FORMAT format , final File rankingFile , final File groundtruthFile , final Boolean overwrite ) throws IOException {... | Runs a particular strategy on some data using pre - computed recommendations and outputs the result into a file . |
14,547 | public double getPValue ( final String method ) { double p = Double . NaN ; if ( "t" . equals ( method ) ) { double [ ] baselineValues = new double [ baselineMetricPerDimension . values ( ) . size ( ) ] ; int i = 0 ; for ( Double d : baselineMetricPerDimension . values ( ) ) { baselineValues [ i ] = d ; i ++ ; } double... | Gets the p - value according to the requested method . |
14,548 | private static void fillDefaultProperties ( final Properties props ) { System . out . println ( "Setting default properties..." ) ; props . put ( ParserRunner . DATASET_FILE , "./data/ml-100k/ml-100k/u.data" ) ; props . put ( ParserRunner . DATASET_PARSER , "net.recommenders.rival.split.parser.MovielensParser" ) ; prop... | Fills a property mapping with default values . |
14,549 | public void compute ( ) { if ( ! Double . isNaN ( getValue ( ) ) ) { return ; } iniCompute ( ) ; Map < U , List < Pair < I , Double > > > data = processDataAsRankedTestRelevance ( ) ; userDcgAtCutoff = new HashMap < Integer , Map < U , Double > > ( ) ; userIdcgAtCutoff = new HashMap < Integer , Map < U , Double > > ( )... | Computes the global NDCG by first summing the NDCG for each user and then averaging by the number of users . |
14,550 | protected double computeDCG ( final double rel , final int rank ) { double dcg = 0.0 ; if ( rel >= getRelevanceThreshold ( ) ) { switch ( type ) { default : case EXP : dcg = ( Math . pow ( 2.0 , rel ) - 1.0 ) / ( Math . log ( rank + 1 ) / Math . log ( 2 ) ) ; break ; case LIN : dcg = rel ; if ( rank > 1 ) { dcg /= ( Ma... | Method that computes the discounted cumulative gain of a specific item taking into account its ranking in a user s list and its relevance value . |
14,551 | public double getValueAt ( final int at ) { if ( userDcgAtCutoff . containsKey ( at ) && userIdcgAtCutoff . containsKey ( at ) ) { int n = 0 ; double ndcg = 0.0 ; for ( U u : userIdcgAtCutoff . get ( at ) . keySet ( ) ) { double udcg = getValueAt ( u , at ) ; if ( ! Double . isNaN ( udcg ) ) { ndcg += udcg ; n ++ ; } }... | Method to return the NDCG value at a particular cutoff level . |
14,552 | public double getValueAt ( final U user , final int at ) { if ( userDcgAtCutoff . containsKey ( at ) && userDcgAtCutoff . get ( at ) . containsKey ( user ) && userIdcgAtCutoff . containsKey ( at ) && userIdcgAtCutoff . get ( at ) . containsKey ( user ) ) { double idcg = userIdcgAtCutoff . get ( at ) . get ( user ) ; do... | Method to return the NDCG value at a particular cutoff level for a given user . |
14,553 | public Recommender buildRecommender ( final DataModel dataModel , final String recType ) throws RecommenderException { return buildRecommender ( dataModel , recType , null , DEFAULT_N , NOFACTORS , NOITER , null ) ; } | CF recommender with default parameters . |
14,554 | public TemporalDataModelIF < Long , Long > parseData ( final File f , final String token , final boolean isTemporal ) throws IOException { TemporalDataModelIF < Long , Long > dataset = DataModelFactory . getDefaultTemporalModel ( ) ; BufferedReader br = SimpleParser . getBufferedReader ( f ) ; String line = br . readLi... | Parses a data file with a specific separator between fields . |
14,555 | public void download ( ) { URL dataURL = null ; String fileName = folder + "/" + url . substring ( url . lastIndexOf ( "/" ) + 1 ) ; if ( new File ( fileName ) . exists ( ) ) { return ; } try { dataURL = new URL ( url ) ; } catch ( MalformedURLException e ) { e . printStackTrace ( ) ; } File downloadedData = new File (... | Downloads the file from the provided url . |
14,556 | public void downloadAndUnzip ( ) { URL dataURL = null ; String fileName = folder + "/" + url . substring ( url . lastIndexOf ( "/" ) + 1 ) ; File compressedData = new File ( fileName ) ; if ( ! new File ( fileName ) . exists ( ) ) { try { dataURL = new URL ( url ) ; } catch ( MalformedURLException e ) { e . printStackT... | Downloads the file from the provided url and uncompresses it to the given folder . |
14,557 | public static void recommend ( final int nFolds , final String inPath , final String outPath ) { for ( int i = 0 ; i < nFolds ; i ++ ) { org . apache . mahout . cf . taste . model . DataModel trainModel ; org . apache . mahout . cf . taste . model . DataModel testModel ; try { trainModel = new FileDataModel ( new File ... | Recommends using an UB algorithm . |
14,558 | public static void evaluate ( final int nFolds , final String splitPath , final String recPath ) { double ndcgRes = 0.0 ; double precisionRes = 0.0 ; double rmseRes = 0.0 ; for ( int i = 0 ; i < nFolds ; i ++ ) { File testFile = new File ( splitPath + "test_" + i + ".csv" ) ; File recFile = new File ( recPath + "recs_"... | Evaluates the recommendations generated in previous steps . |
14,559 | public static void run ( final Properties properties ) throws IOException { File outputFile = new File ( properties . getProperty ( OUTPUT_FILE ) ) ; Boolean overwrite = Boolean . parseBoolean ( properties . getProperty ( OUTPUT_OVERWRITE , "false" ) ) ; PrintStream outStatistics = null ; if ( outputFile . exists ( ) &... | Run all the statistic functions included in the properties mapping . |
14,560 | public static void readLine ( final String format , final String line , final Map < String , Map < String , Double > > mapMetricUserValue , final Set < String > usersToAvoid ) { String [ ] toks = line . split ( "\t" ) ; if ( format . equals ( "default" ) ) { String metric = toks [ 0 ] ; String user = toks [ 1 ] ; Doubl... | Read a line from the metric file . |
14,561 | public static void run ( final Properties properties ) throws IOException , ClassNotFoundException , IllegalAccessException , InstantiationException , InvocationTargetException , NoSuchMethodException { System . out . println ( "Parsing started: training file" ) ; File trainingFile = new File ( properties . getProperty... | Runs a single evaluation strategy . |
14,562 | public static EvaluationStrategy < Long , Long > instantiateStrategy ( final Properties properties , final DataModelIF < Long , Long > trainingModel , final DataModelIF < Long , Long > testModel ) throws ClassNotFoundException , IllegalAccessException , InstantiationException , InvocationTargetException , NoSuchMethodE... | Instantiates an strategy according to the provided properties mapping . |
14,563 | public static TemporalDataModelIF < Long , Long > run ( final Properties properties ) throws ClassNotFoundException , IllegalAccessException , InstantiationException , InvocationTargetException , NoSuchMethodException , IOException { System . out . println ( "Parsing started" ) ; TemporalDataModelIF < Long , Long > mod... | Run the parser based on given properties . |
14,564 | protected Set < Long > getModelTrainingDifference ( final DataModelIF < Long , Long > model , final Long user ) { final Set < Long > items = new HashSet < Long > ( ) ; if ( training . getUserItems ( user ) != null ) { final Set < Long > trainingItems = new HashSet < > ( ) ; for ( Long i : training . getUserItems ( user... | Get the items appearing in the training set and not in the data model . |
14,565 | protected void printRanking ( final String user , final Map < Long , Double > scoredItems , final PrintStream out , final OUTPUT_FORMAT format ) { final Map < Double , Set < Long > > preferenceMap = new HashMap < Double , Set < Long > > ( ) ; for ( Map . Entry < Long , Double > e : scoredItems . entrySet ( ) ) { long i... | Print the item ranking and scores for a specific user . |
14,566 | public static < U , I > void saveDataModel ( final DataModelIF < U , I > dm , final String outfile , final boolean overwrite , final String delimiter ) throws FileNotFoundException , UnsupportedEncodingException { if ( new File ( outfile ) . exists ( ) && ! overwrite ) { System . out . println ( "Ignoring " + outfile )... | Method that saves a data model to a file . |
14,567 | public static < U , I > void saveDataModel ( final TemporalDataModelIF < U , I > dm , final String outfile , final boolean overwrite , String delimiter ) throws FileNotFoundException , UnsupportedEncodingException { if ( new File ( outfile ) . exists ( ) && ! overwrite ) { System . out . println ( "Ignoring " + outfile... | Method that saves a temporal data model to a file . |
14,568 | public void setFileName ( ) { String type = "" ; if ( properties . containsKey ( RecommendationRunner . FACTORIZER ) || properties . containsKey ( RecommendationRunner . SIMILARITY ) ) { if ( properties . containsKey ( RecommendationRunner . FACTORIZER ) ) { type = properties . getProperty ( RecommendationRunner . FACT... | Create the file name of the output file . |
14,569 | @ SuppressWarnings ( "unchecked" ) public static void prepareStrategy ( final String splitPath , final String recPath , final String outPath ) { int i = 0 ; File trainingFile = new File ( splitPath + "train_" + i + ".csv" ) ; File testFile = new File ( splitPath + "test_" + i + ".csv" ) ; File recFile = new File ( recP... | Prepares the strategies to be evaluated with the recommenders already generated . |
14,570 | public static < U , I > void run ( final Properties properties , final TemporalDataModelIF < U , I > data , final boolean doDataClear ) throws FileNotFoundException , UnsupportedEncodingException { System . out . println ( "Start splitting" ) ; TemporalDataModelIF < U , I > [ ] splits ; String outputFolder = properties... | Runs a Splitter instance based on the properties . |
14,571 | public static < U , I > Splitter < U , I > instantiateSplitter ( final Properties properties ) { String splitterClassName = properties . getProperty ( DATASET_SPLITTER ) ; Boolean perUser = Boolean . parseBoolean ( properties . getProperty ( SPLIT_PERUSER ) ) ; Boolean doSplitPerItems = Boolean . parseBoolean ( propert... | Instantiates a splitter based on the properties . |
14,572 | public Iterable < Long > getUserItemTimestamps ( U u , I i ) { if ( userItemTimestamps . containsKey ( u ) && userItemTimestamps . get ( u ) . containsKey ( i ) ) { return userItemTimestamps . get ( u ) . get ( i ) ; } return null ; } | Method that returns the map with the timestamps between users and items . |
14,573 | public void addTimestamp ( final U u , final I i , final Long t ) { Map < I , Set < Long > > userTimestamps = userItemTimestamps . get ( u ) ; if ( userTimestamps == null ) { userTimestamps = new HashMap < > ( ) ; userItemTimestamps . put ( u , userTimestamps ) ; } Set < Long > timestamps = userTimestamps . get ( i ) ;... | Method that adds a timestamp to the model between a user and an item . |
14,574 | public static void readLine ( final String line , final Map < Long , List < Pair < Long , Double > > > mapUserRecommendations ) { String [ ] toks = line . split ( "\t" ) ; if ( line . contains ( ":" ) && line . contains ( "," ) ) { Long user = Long . parseLong ( toks [ 0 ] ) ; String items = toks [ 1 ] . replace ( "[" ... | Read a file from the recommended items file . |
14,575 | protected double getNumberOfRelevantItems ( final U user ) { int n = 0 ; if ( getTest ( ) . getUserItems ( user ) != null ) { for ( I i : getTest ( ) . getUserItems ( user ) ) { if ( getTest ( ) . getUserItemPreference ( user , i ) >= relevanceThreshold ) { n ++ ; } } } return n * 1.0 ; } | Method that computes the number of relevant items in the test set for a user . |
14,576 | public double getValueAt ( final int at ) { if ( userPrecAtCutoff . containsKey ( at ) ) { int n = 0 ; double prec = 0.0 ; for ( U u : userPrecAtCutoff . get ( at ) . keySet ( ) ) { double uprec = getValueAt ( u , at ) ; if ( ! Double . isNaN ( uprec ) ) { prec += uprec ; n ++ ; } } if ( n == 0 ) { prec = 0.0 ; } else ... | Method to return the precision value at a particular cutoff level . |
14,577 | public static double considerEstimatedPreference ( final ErrorStrategy errorStrategy , final double recValue ) { boolean consider = true ; double v = recValue ; switch ( errorStrategy ) { default : case CONSIDER_EVERYTHING : break ; case NOT_CONSIDER_NAN : consider = ! Double . isNaN ( recValue ) ; break ; case CONSIDE... | Method that returns an estimated preference according to a given value and an error strategy . |
14,578 | public double getValueAt ( final int at ) { if ( userMAPAtCutoff . containsKey ( at ) ) { int n = 0 ; double map = 0.0 ; for ( U u : userMAPAtCutoff . get ( at ) . keySet ( ) ) { double uMAP = getValueAt ( u , at ) ; if ( ! Double . isNaN ( uMAP ) ) { map += uMAP ; n ++ ; } } if ( n == 0 ) { map = 0.0 ; } else { map = ... | Method to return the MAP value at a particular cutoff level . |
14,579 | @ SuppressWarnings ( "unchecked" ) public static void run ( final Properties properties ) throws IOException , ClassNotFoundException , IllegalAccessException , InstantiationException , InvocationTargetException , NoSuchMethodException { EvaluationStrategy . OUTPUT_FORMAT recFormat ; if ( properties . getProperty ( PRE... | Runs multiple evaluation metrics . |
14,580 | public static void getAllPredictionFiles ( final Set < String > predictionFiles , final File path , final String predictionPrefix ) { if ( path == null ) { return ; } File [ ] files = path . listFiles ( ) ; if ( files == null ) { return ; } for ( File file : files ) { if ( file . isDirectory ( ) ) { getAllPredictionFil... | Gets all prediction files . |
14,581 | public static void main ( final String [ ] args ) { String propertyFile = System . getProperty ( "file" ) ; if ( propertyFile == null ) { System . out . println ( "Property file not given, exiting." ) ; System . exit ( 0 ) ; } final Properties properties = new Properties ( ) ; try { properties . load ( new FileInputStr... | Main method for running a recommendation . |
14,582 | public static void run ( final AbstractRunner rr ) { time = System . currentTimeMillis ( ) ; boolean statsExist = false ; statPath = rr . getCanonicalFileName ( ) ; statsExist = rr . isAlreadyRecommended ( ) ; try { rr . run ( AbstractRunner . RUN_OPTIONS . OUTPUT_RECS ) ; } catch ( Exception e ) { e . printStackTrace ... | Run recommendations based on an already instantiated recommender . |
14,583 | public static AbstractRunner < Long , Long > instantiateRecommender ( final Properties properties ) { if ( properties . getProperty ( RECOMMENDER ) == null ) { System . out . println ( "No recommenderClass specified, exiting." ) ; return null ; } if ( properties . getProperty ( TRAINING_SET ) == null ) { System . out .... | Instantiates a recommender according to the provided properties mapping . |
14,584 | public static void writeStats ( final String path , final String statLabel , final long stat ) { BufferedWriter out = null ; try { out = new BufferedWriter ( new OutputStreamWriter ( new FileOutputStream ( path , true ) , "UTF-8" ) ) ; out . write ( statLabel + "\t" + stat + "\n" ) ; out . flush ( ) ; out . close ( ) ;... | Write the system stats to file . |
14,585 | public static boolean areEqual ( byte [ ] array1 , byte [ ] array2 ) { if ( array1 . length != array2 . length ) return false ; for ( int i = 0 ; i < array1 . length ; ++ i ) if ( array1 [ i ] != array2 [ i ] ) return false ; return true ; } | Compares two byte arrays element by element |
14,586 | public static boolean isZero ( byte [ ] bytes ) { int x = 0 ; for ( int i = 0 ; i < bytes . length ; i ++ ) { x |= bytes [ i ] ; } return x == 0 ; } | Checks whether a byte array just contains elements equal to zero |
14,587 | public Position decodePosition ( double time , SurfacePositionV0Msg msg ) { if ( last_pos == null ) return null ; return decodePosition ( time , msg , last_pos ) ; } | Shortcut for using the last known position for reference ; no reasonableness check on distance to receiver |
14,588 | public Position decodePosition ( SurfacePositionV0Msg msg , Position reference ) { return decodePosition ( System . currentTimeMillis ( ) / 1000.0 , msg , reference ) ; } | Shortcut for live decoding ; no reasonableness check on distance to receiver |
14,589 | public Position decodePosition ( double time , Position receiver , SurfacePositionV0Msg msg , Position reference ) { Position ret = decodePosition ( time , msg , reference ) ; if ( ret != null && receiver != null && ! withinReasonableRange ( receiver , ret ) ) { ret . setReasonable ( false ) ; num_reasonable = 0 ; } re... | Performs all reasonableness tests . |
14,590 | public void gc ( ) { List < Integer > toRemove = new ArrayList < Integer > ( ) ; for ( Integer transponder : decoderData . keySet ( ) ) if ( decoderData . get ( transponder ) . posDec . getLastUsedTime ( ) < latestTimestamp - 3600000 ) toRemove . add ( transponder ) ; for ( Integer transponder : toRemove ) decoderData ... | Clean state by removing decoders not used for more than an hour . This happens automatically every 1 Mio messages if more than 50000 aircraft are tracked . |
14,591 | private static int grayToBin ( int gray , int bitlength ) { int result = 0 ; for ( int i = bitlength - 1 ; i >= 0 ; -- i ) result = result | ( ( ( ( 0x1 << ( i + 1 ) ) & result ) >>> 1 ) ^ ( ( 1 << i ) & gray ) ) ; return result ; } | This method converts a gray code encoded int to a standard decimal int |
14,592 | private static char [ ] mapChar ( byte [ ] digits ) { char [ ] result = new char [ digits . length ] ; for ( int i = 0 ; i < digits . length ; i ++ ) result [ i ] = mapChar ( digits [ i ] ) ; return result ; } | Maps ADS - B encoded to readable characters |
14,593 | public double [ ] toECEF ( ) { double lon0r = toRadians ( this . longitude ) ; double lat0r = toRadians ( this . latitude ) ; double height = tools . feet2Meters ( altitude ) ; double v = a / Math . sqrt ( 1 - e2 * Math . sin ( lat0r ) * Math . sin ( lat0r ) ) ; return new double [ ] { ( v + height ) * Math . cos ( lat... | Converts the WGS84 position to cartesian coordinates |
14,594 | public static Position fromECEF ( double x , double y , double z ) { double p = sqrt ( x * x + y * y ) ; double th = atan2 ( a * z , b * p ) ; double lon = atan2 ( y , x ) ; double lat = atan2 ( ( z + ( a * a - b * b ) / ( b * b ) * b * pow ( sin ( th ) , 3 ) ) , p - e2 * a * pow ( cos ( th ) , 3 ) ) ; double N = a / s... | Converts a cartesian earth - centered earth - fixed coordinate into an WGS84 LLA position |
14,595 | public Double distance3d ( Position other ) { if ( other == null || latitude == null || longitude == null || altitude == null ) return null ; double [ ] xyz1 = this . toECEF ( ) ; double [ ] xyz2 = other . toECEF ( ) ; return Math . sqrt ( Math . pow ( xyz2 [ 0 ] - xyz1 [ 0 ] , 2 ) + Math . pow ( xyz2 [ 1 ] - xyz1 [ 1 ... | Calculate the three - dimensional distance between this and another position . This method assumes that the coordinates are WGS84 . |
14,596 | public PagedResult < AutomationRule > listAutomationRules ( long sheetId , PaginationParameters pagination ) throws SmartsheetException { String path = "sheets/" + sheetId + "/automationrules" ; HashMap < String , Object > parameters = new HashMap < String , Object > ( ) ; if ( pagination != null ) { parameters = pagin... | Get all automation rules for this sheet |
14,597 | public AutomationRule updateAutomationRule ( long sheetId , AutomationRule automationRule ) throws SmartsheetException { Util . throwIfNull ( automationRule ) ; return this . updateResource ( "sheets/" + sheetId + "/automationrules/" + automationRule . getId ( ) , AutomationRule . class , automationRule ) ; } | Updates an automation rule . |
14,598 | public String newAuthorizationURL ( EnumSet < AccessScope > scopes , String state ) { Util . throwIfNull ( scopes ) ; if ( state == null ) { state = "" ; } HashMap < String , Object > params = new HashMap < String , Object > ( ) ; params . put ( "response_type" , "code" ) ; params . put ( "client_id" , clientId ) ; par... | Generate a new authorization URL . |
14,599 | public Token obtainNewToken ( AuthorizationResult authorizationResult ) throws OAuthTokenException , JSONSerializerException , HttpClientException , URISyntaxException , InvalidRequestException { if ( authorizationResult == null ) { throw new IllegalArgumentException ( ) ; } String doHash = clientSecret + "|" + authori... | Obtain a new token using AuthorizationResult . |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.