thread id

One, the heavy lock In the last article, we introduced the usage of synchronized and the principle of its realization. Now we should know that synchronized is implemented through one of the object's internal call monitor locks. But the nature of

First, the reason: Forceclose, meaning forced shutdown, the current application has a conflict. Nullpointexection (null pointer), indexoutofboundsexception (subscript out of bounds), even the sequence errors used by the Android API may result (e.g.

In this article I will teach you how to analyze the JVM's thread stack and how to isolate the root cause of the problem from the stack information. It seems to me that thread stack analysis technology is a technology that Java EE Product support

This work is licensed with the knowledge sharing signature-non-commercial use-sharing 2.5 Chinese mainland license agreement in the same way. Reprint please indicate the source and author. http://blog.csdn.net/xtj332 Background: There are a lot of

Task class The Task class is an asynchronous operation abstraction provided after. NET 4.0, and the full path is System.Threading.Tasks.Task. The task class is used to represent an asynchronous operation with no return value, and a subclass of the

Wait () Causes the current thread to wait before another thread calls the Notify () method or the Notifyall () method of this object. Notify ()Wakes up a single thread waiting on this object monitor. Package com.icss.biz.ppt;/*** Thinking in Java

Recently, in the project development process, encountered the database deadlock problem, in the process of solving the problem, the author of the MySQL InnoDB engine lock mechanism understanding gradually deepened. The case is as follows: The

Preliminary Study on WCF-28: concurrency in WCF, Preliminary Study on wcf-28 concurrencyUnderstandingWCFConcurrency mechanism in   When you understand the WCF concurrency mechanism, you mustWCFPreliminary Study-27: WCFInstantiation inUnderstanding,

Talk C chestnuts together (110th back: C language instance-thread identifier) Hello, everyone. In the previous session, we talked about the example of thread creation and termination. This example is as follows:Thread ID. When you leave the rest of

The reception of information is done by the bottom, when there is a new information when the bottom of the completion of the reception will be intent to notify the upper application, information related content is also included in the intent,

In Android, the worker thread created by the user is different from the main UI thread. Handler is an asynchronous message processing mechanism in Android. If a user does not create a looper for his working thread, the handler processes messages

Http://www.armce.com/bbs/thread-194-1-1.html I said on the Internet that 'data abort 'was caused by memory leakage. Later I went to Microsoft to watch ce Memory leakage videos. I found that the debugging software was too busy when I came back from

The mutex kernel object contains a count, thread ID, and a recursive count. The mutex is the same as that of the key segment, but the mutex is the kernel object, which means it is much slower than the key segment. However, threads in different

package com.hoot.handler;import android.app.Activity;import android.os.Bundle;import android.os.Handler;import android.os.HandlerThread;import android.os.Looper;import android.os.Message;import android.util.Log;class LooperThread extends

1. concept: A thread is different from a process. To be precise, a process can be composed of multiple threads. A thread is an element of a process. by default, a process is composed of only one thread, which serializes the tasks to be executed by

NET framework allows you to call any method asynchronously. Define the delegate with the same signature as the method to be called. The Common Language Runtime automatically defines the delegate with the appropriate Signature Begininvoke And

When ininvoke and endinvoke are used for asynchronous calls, after begininvoke is called, you can perform the following operations to end asynchronous calls: · Perform some operations and call endinvoke until the call is completed. · Use the

Troubleshooting ORA-12516 At work in the morning, my colleague told me that the database can not connect, the prompt "ORA-12516" error, I tried to connect to the database remotely through PL/SQL Developer, and indeed, the error "ORA-12516: TNS: the

Killing an Oracle process from inside OracleI had a following situation few days Ago–i is running a CREATE TABLE as SELECT over a heterogenous services Dblink. However I cancelled this command via pressing CTRL + C twice in Windows Sqlplus (this

After MySQL5.6, the ONLINEDDL function is greatly enhanced. Typically, the above two aspects are used. first, ADDCOLUMN and DROPCOLUMN will no longer block DML operations and create indexes at the same time. The online ddl function is greatly