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java Programming Glossary: blockingHow to read a single char from the console in Java (as the user types it)? http://stackoverflow.com/questions/1066318/how-to-read-a-single-char-from-the-console-in-java-as-the-user-types-it can change modes. Now with respect to Java... see Non blocking console input in Python and Java . Excerpt If your program must..
More efficient way for pausing loop wanted http://stackoverflow.com/questions/10665780/more-efficient-way-for-pausing-loop-wanted finally Release the lock immediately to avoid blocking when pause is called. pause.writeLock .unlock Pause the work...
Send message from a basic server to a specific client http://stackoverflow.com/questions/10777678/send-message-from-a-basic-server-to-a-specific-client the main thread does not freeze becauz accept function is blocking. I don't know how to create a new thread every time a new client..
http://stackoverflow.com/questions/13094666/jprogressbar-wont-update cause of this problem is trying to update the UI while blocking from the Event Dispatching Thread EDT . It's important to NEVER.. EDT . It's important to NEVER do any long running or blocking operations within the EDT as this will prevent repaint requests..
How to solve performance problem with Java SecureRandom? http://stackoverflow.com/questions/137212/how-to-solve-performance-problem-with-java-securerandom as PRNGs go but PRNGs will just be crunching numbers not blocking for physical measurement of entropy. The exception is that if..
using sleep() for a single thread http://stackoverflow.com/questions/14074329/using-sleep-for-a-single-thread or any Thread where sleep will cuase unwanted execution blocking as this will cause the UI to seem frozen. Here is a nice example..
MySQL-JDBC: Communications Link Failure http://stackoverflow.com/questions/2121829/mysql-jdbc-communications-link-failure TCP IP connections. Something in between Java and DB is blocking connections e.g. a firewall or proxy. To solve the one or the..
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 fine with a real web browser. The server side is probably blocking requests based on the User Agent request header. The URLConnection..
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure http://stackoverflow.com/questions/2983248/com-mysql-jdbc-exceptions-jdbc4-communicationsexception-communications-link-fai out of connections. Something in between Java and DB is blocking connections e.g. a firewall or proxy. To solve the one or the..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog Service you must manually spawn new threads to run CPU blocking operations . Download service can look like this public class..
Service discovery failed exception using Bluetooth on Android http://stackoverflow.com/questions/3397071/service-discovery-failed-exception-using-bluetooth-on-android tmp m_BluetoothAdapter.cancelDiscovery try This is a blocking call and will only return on a successful connection or an exception..
Production settings file for log4j? http://stackoverflow.com/questions/3537870/production-settings-file-for-log4j I was getting all my threads being hung due to log4j blocking. I checked my open file descriptors I was only using 113. #..
Preferred Java way to ping a HTTP Url for availability http://stackoverflow.com/questions/3584210/preferred-java-way-to-ping-a-http-url-for-availability port 80. You risk to get false negatives due to a Firewall blocking other ports. Do I have to somehow close the connection No you..
What's the difference between ConcurrentHashMap and Collections.synchronizedMap(Map)? http://stackoverflow.com/questions/510632/whats-the-difference-between-concurrenthashmap-and-collections-synchronizedmap to block them. Collections.synchronizedMap map creates a blocking Map which will degrade performance albeit ensure consistency..
http://stackoverflow.com/questions/592303/asynchronous-io-in-java Java's NIO package as of Java6 provides support for non blocking I O only via Selector s. Java7 is hopefully going to ship with.. about threads NIO Selectors do not use threads for non blocking I O. In JDK6 they use select under Windows and the epoll facility..
AsyncTask.executeOnExecutor() before API Level 11 http://stackoverflow.com/questions/7211684/asynctask-executeonexecutor-before-api-level-11 unless your intense tasks are intensely not doing much but blocking on network I O you do not want to be doing them in parallel..
Capturing stdout when calling Runtime.exec http://stackoverflow.com/questions/882772/capturing-stdout-when-calling-runtime-exec err in separate threads. This is essential to prevent blocking and is the source of numerous errors if you don't do it properly..
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