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java Programming Glossary: bufferStandard concise way to copy a file in Java? http://stackoverflow.com/questions/106770/standard-concise-way-to-copy-a-file-in-java copy a file in Java involves opening streams declaring a buffer reading in one file looping through it and writing it out to..
Program not accessing method paintComponent() of extended JPanel class http://stackoverflow.com/questions/12226198/program-not-accessing-method-paintcomponent-of-extended-jpanel-class image private Image getGrayscaleImageFromArray byte buffer int width int height ColorSpace cs ColorSpace.getInstance ColorSpace.CS_GRAY.. width height DataBufferByte db new DataBufferByte buffer width height WritableRaster raster Raster.createWritableRaster..
How to retrieve and display images from a database in a JSP page? http://stackoverflow.com/questions/2340406/how-to-retrieve-and-display-images-from-a-database-in-a-jsp-page new BufferedOutputStream response.getOutputStream byte buffer new byte 1024 for int length length input.read buffer 1 output.write.. buffer new byte 1024 for int length length input.read buffer 1 output.write buffer 0 length finally if output null try.. for int length length input.read buffer 1 output.write buffer 0 length finally if output null try output.close catch IOException..
How to upload files to server using JSP/Servlet? http://stackoverflow.com/questions/2422468/how-to-upload-files-to-server-using-jsp-servlet UTF 8 StringBuilder value new StringBuilder char buffer new char 1024 for int length 0 length reader.read buffer 0 value.append.. buffer new char 1024 for int length 0 length reader.read buffer 0 value.append buffer 0 length return value.toString Hope this.. for int length 0 length reader.read buffer 0 value.append buffer 0 length return value.toString Hope this all helps share improve..
How to use java.net.URLConnection to fire and handle HTTP requests? http://stackoverflow.com/questions/2793150/how-to-use-java-net-urlconnection-to-fire-and-handle-http-requests . Streaming mode The HttpURLConnection will by default buffer the entire request body before actually sending it regardless.. InputStream input new FileInputStream binaryFile try byte buffer new byte 1024 for int length 0 length input.read buffer 0 output.write.. buffer new byte 1024 for int length 0 length input.read buffer 0 output.write buffer 0 length output.flush Important Output..
How to create a Java String from the contents of a file? http://stackoverflow.com/questions/326390/how-to-create-a-java-string-from-the-contents-of-a-file contents a byte array the decoded characters a character buffer and a copy of the character data in the new String instance.. the code and the old answer which used a mapped byte buffer prevented the file that was read from being deleted until the.. the file that was read from being deleted until the mapped buffer was garbage collected. You can view the old version via the..
Android write to sd card folder http://stackoverflow.com/questions/3551821/android-write-to-sd-card-folder File root fileName InputStream in c.getInputStream byte buffer new byte 1024 int len1 0 while len1 in.read buffer 0 f.write.. byte buffer new byte 1024 int len1 0 while len1 in.read buffer 0 f.write buffer 0 len1 f.close catch Exception e Log.d Downloader.. byte 1024 int len1 0 while len1 in.read buffer 0 f.write buffer 0 len1 f.close catch Exception e Log.d Downloader e.getMessage..
Java Process with Input/Output Stream http://stackoverflow.com/questions/3643939/java-process-with-input-output-stream and one reading from stderr to avoid the standard error buffer filling while the standard output buffer was empty causing the.. standard error buffer filling while the standard output buffer was empty causing the child process to hang or vice versa. Next..
http://stackoverflow.com/questions/5853879/swing-obtain-image-of-jframe by default render themselves as images into a double buffer prior to painting themselves onto the screen. Is there a way..
How to take single snapshots from a webcam? http://stackoverflow.com/questions/1078689/how-to-take-single-snapshots-from-a-webcam finally found the solution here . The important part being Buffer buf frameGrabber.grabFrame Convert frame to an buffered image.. image so it can be processed and saved Image img new BufferToImage VideoFormat buf.getFormat .createImage buf buffImg new.. VideoFormat buf.getFormat .createImage buf buffImg new BufferedImage img.getWidth this img.getHeight this BufferedImage.TYPE_INT_RGB..
Are Java function parameters always passed-by-value? http://stackoverflow.com/questions/1110826/are-java-function-parameters-always-passed-by-value pattern.length return true ... private void tidy StringBuffer buffer int i logger.info Truncating buffer buffer buffer new.. i logger.info Truncating buffer buffer buffer new StringBuffer buffer.substring i logger.info Buffer now buffer In this case.. buffer new StringBuffer buffer.substring i logger.info Buffer now buffer In this case will stdout and stderr used as parameters..
Image resizing and displaying in a JPanel or a JLabel without loss of quality http://stackoverflow.com/questions/12660122/image-resizing-and-displaying-in-a-jpanel-or-a-jlabel-without-loss-of-quality javax.media.control.FrameGrabbingControl Buffer buffer ControlFG.grabFrame BufferToImage image new BufferToImage.. Buffer buffer ControlFG.grabFrame BufferToImage image new BufferToImage VideoFormat buffer.getFormat.. Buffer buffer ControlFG.grabFrame BufferToImage image new BufferToImage VideoFormat buffer.getFormat img image.createImage buffer..
Parse JSON to cofigure android application http://stackoverflow.com/questions/15629099/parse-json-to-cofigure-android-application catch IOException e e.printStackTrace try BufferedReader reader new BufferedReader new InputStreamReader is.. e e.printStackTrace try BufferedReader reader new BufferedReader new InputStreamReader is iso 8859 1 8 StringBuilder.. n is.close json sb.toString catch Exception e Log.e Buffer Error Error converting result e.toString try parse the string..
What's the most elegant way to concatenate a list of values with delimiter in Java? http://stackoverflow.com/questions/1642159/whats-the-most-elegant-way-to-concatenate-a-list-of-values-with-delimiter-in-ja elegant way in Java I would certainly use a StringBuilder Buffer for efficiency but I wanted to illustrate the case in point..
RAII in Java… is resource disposal always so ugly? http://stackoverflow.com/questions/194261/raii-in-java-is-resource-disposal-always-so-ugly clauses to be sure that should something wrong happen the Buffer Streams would be closed and thus my OS ressources freed before.. oDStream FileInputStream oSStream throw etc... BufferedInputStream oSBuffer new BufferedInputStream oSStream 4096.. oSStream throw etc... BufferedInputStream oSBuffer new BufferedInputStream oSStream 4096 BufferedOutputStream oDBuffer..
http://stackoverflow.com/questions/1963494/java-2d-game-graphics What you want to do is to create a canvas component with a BufferStrategy and render to that the code below should show you how.. import java.awt.event.WindowEvent import java.awt.image.BufferStrategy import java.awt.image.BufferedImage import javax.swing.JFrame.. import java.awt.image.BufferStrategy import java.awt.image.BufferedImage import javax.swing.JFrame import javax.swing.WindowConstants..
Transfer raw binary with apache commons-net FTPClient? http://stackoverflow.com/questions/3145768/transfer-raw-binary-with-apache-commons-net-ftpclient it's reading from in BINARY mode is just a java.io.BufferedInptuStream wrapped around a socket InputStream . Do these.. and I wrapped both the SocketInputStream and the BufferedInputStream in a CheckedInputStream using CRC32 checksums... CRC32 2739864033 14 00 08 919 DEBUG main MyFTPClient Buffer CRC32 2739864033 14 00 08 954 DEBUG main FTPUtils FileOut CRC32..
Reading streams from java Runtime.exec http://stackoverflow.com/questions/3343066/reading-streams-from-java-runtime-exec proc.waitFor where the gobblers are Runnable s which use a BufferedReader to read the input and error streams of the executing.. process final Reader _in final Writer out final Writer err Buffer the input reader final BufferedReader in new BufferedReader.. Writer out final Writer err Buffer the input reader final BufferedReader in new BufferedReader _in Final versions of the the..
How would you code an efficient Circular Buffer in Java or C# http://stackoverflow.com/questions/590069/how-would-you-code-an-efficient-circular-buffer-in-java-or-c-sharp would you code an efficient Circular Buffer in Java or C# I want a simple class that implements a fixed.. to the user Hijack these for simplicity import java.nio.BufferOverflowException import java.nio.BufferUnderflowException public.. import java.nio.BufferOverflowException import java.nio.BufferUnderflowException public class CircularBuffer T private T buffer..
How to develop screen capture to video application http://stackoverflow.com/questions/6236119/how-to-develop-screen-capture-to-video-application expandable collection such as an ArrayList . Convert the BufferedImage objects to JPEG format using ImageIO.write . To form.. or positionable. class ImageDataSource extends PullBufferDataSource ImageSourceStream streams ImageDataSource int width.. void stop Return the ImageSourceStreams. public PullBufferStream getStreams return streams We could have derived the duration..
Converting a Java collection into a Scala collection http://stackoverflow.com/questions/674713/converting-a-java-collection-into-a-scala-collection scala.collection.immutable.Set import scala.collection.jcl.Buffer val s scala.collection.Set String Set Buffer javaApi.query.. val s scala.collection.Set String Set Buffer javaApi.query ... _ java scala scala collections scala 2.7.. last suggestion works but you can also avoid using jcl.Buffer Set javaApi.query ... .toArray _ Note that scala.collection.immutable.Set..
http://stackoverflow.com/questions/7266042/java-ring-buffer Ring Buffer I have a streaming time series of which I am interested in.. ring share improve this question Consider CircularFifoBuffer from Common.Collections . Unlike Queue you don't have to maintain.. underlying collection and wrap it once you hit the limit. Buffer buf new CircularFifoBuffer 4 buf.add A buf.add B buf.add C buf.add..
Android Camera will not work. startPreview fails http://stackoverflow.com/questions/7942378/android-camera-will-not-work-startpreview-fails MyRenderer implements GLSurfaceView.Renderer private FloatBuffer vertices private FloatBuffer texcoords private int mProgram.. private FloatBuffer vertices private FloatBuffer texcoords private int mProgram private int maPositionHandle.. 1.0f 1.0f 1.0f 1.0f 1.0f 1.0f 1.0f 1.0f initialize vertex Buffer for vertices ByteBuffer vbb ByteBuffer.allocateDirect triangleCoords.length..
Java sending and receiving file (byte[]) over sockets http://stackoverflow.com/questions/9520911/java-sending-and-receiving-file-byte-over-sockets DataOutputStream out new DataOutputStream new BufferedOutputStream socket.getOutputStream DataInputStream in new.. DataInputStream in new DataInputStream new BufferedInputStream socket.getInputStream byte bytes new byte 1024.. socket new Socket host 4444 out new DataOutputStream new BufferedOutputStream socket.getOutputStream in new DataInputStream..
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