klocwork insight

JVM Learning notes the JVM memory management and the concept of JVM garbage collection, the JVM memory structure consists of heaps, stacks, local method stacks, method area, and so on, and the JVM used different garbage collection mechanism for the

Using VPA to quickly locate Java application performance bottlenecks Introduction: Large Java applications call a large number of classes and methods, how to find the application performance bottlenecks in the thousands of lines of code? In this

One of the basic skills of a database administrator (DBA) is a deep understanding of the SQL Database engine's system database. It is also useful for database developers to understand the system databases that SQL Server brings. Some of these system

I have summed up before, in the industry is the most important two points: 1. Understanding of the industry as a whole 2. Execution Force. Because of these 2 reasons, Liu Zhijun, a junior high school graduate, can do a great job on high-speed rail

FW: http://www.ai-junkie.com/misc/hannan/hannan.html   Some time ago I corresponded with Jeff Hannan of codemasters about his work on the game Colin McRae's rally2. I knew that Jeff had trained neural networks to control the cars and I was

Exit program: Alt + F4 Screen re-painting: CTRL + ALT + Space Complete Syntax: Ctrl + E Copy a row: Ctrl + k Just copy the character of the row on the right of the Location: Ctrl + Shift + k Copy to clipboard: Ctrl + DEL Cut a row: Ctrl + u Cut the

Exit program: Alt + F4 Screen re-painting: CTRL + ALT + Space Complete Syntax: Ctrl + E Copy a row: Ctrl + k Just copy the character of the row on the right of the Location: Ctrl + Shift + k Copy to clipboard: Ctrl + DEL Cut a row: Ctrl + u Cut the

The competition between the keyboard and the mouse is always Program The topic of argument. I think most people do not believe in an operation method in extreme ways. The mouse is more common, but it is helpful to master some shortcut keys to

10:21:39 Show/hide row numbers: (option-> document option-> editing options, show line numbers) Alt + V, Shift + l skip row: Ctrl + GJump to prototype: Alt + 0 jump to definition: Ctrl + = jump to reference: Ctrl +/Skip/forward: Alt +

This article to share the content is in-depth understanding of Python OS module, has a certain reference value, the need for friends can refer to In automated testing, often need to find operations files, such as looking for configuration files

Http://blog.csdn.net/lvming404/archive/2009/03/18/4000394.aspx Si is very powerful.CodeThe modification tool is used to check whether C and C ++ are quite happy. I need to use Python recently. After reading ultraedit without color for two days,

Daily ubootCodeAdd it to the SI project and open *. s files, I found that it was still black and white, and I felt very uncomfortable. The Si version I used was ver 3.50. Through Baidu, I found the solution as follows: 1: Want *. s or *. s file

This article by larrylgq prepared, reproduced please note the Source: http://blog.csdn.net/larrylgq/article/details/7395261 Author: Lu guiqiang Email: larry.lv.word@gmail.com Lisp uses special operators to extend the syntax, but the

This post was last edited by Anyilaoliu on 2013-08-14 16:30:42 In-depth understanding of the PHP fieldOften see the "deep understanding" of the job requirements. The horrible thing is to look at yourself and find yourself as "a lot of things to

Recently, I found out that some things are hard to learn and can be used. In fact, you have never studied these things in depth, it may take a while to change from usable to usable. For example, if you do not read the attributes and functions of

Translation Source:A project management PrimerOr "A Guide to making projects work (V2.0 )"By Nick Jenkins   Range Scope, foresight, and Goal     The scope is used to describe all the content contained in the project, that is, all the things

In Java programming, multithreading is not enabled, especially in Server programming. Although many architectures have added support for multithreading, they have been written into the underlying CodeBut to become a qualified Java ProgramIn future

Site establishment of the initial stage of business operators face the first task is to build the visibility of the site! For the market is still in a vacuum, the initial difficulty is any one operator must face! Business's cold shoulder, evade and

Objective Not until the next generation of web development technology, RIA technology mature, of course, but also to fight the HTML. A few days ago, "website refactoring" fried very hot, These are advances that really give us new ideas. Here is a

LSM algorithm hfile Index, Level Two index the problem of HBase 1.hbase How to pre-partition. 2.hbase how to provide an interface to the Web foreground to access. There is no thread-safety problem with the 3.htable API, whether it is a single