code obfuscation techniques

Transferred from: http://blog.csdn.net/reille/article/details/7161942　　ReilleThis blog site: http://blog.csdn.net/reille/, reproduced this blog original article please indicate the source.This article outlines: Special annotation technology in the code--todo, Fixme and the use of XXX.More attention: http://velep.com/———————————————————————————————————————————————————————————————————Preface:Today when reading the source

Explanatory notesTraits Houtie Teacher's translation is extraction. The goal is to make the type recognition of template calls at compile time to do something.The most prominent example, I think is not the "STL source Analysis" in the "iterator concept and traits programming skills" chapter of the description, but the STL algorithm in the implementation of copy . The code is in the STL source stl_algobase.h .The final implementation of copy is broadly

:Class A { function First () {$this->a = Get_large_array (); $this->pass_to_function (); } function Pass_to_function () {//process $this->a }}In short, to unset them as soon as possible, let the memory release, reduce the burden of the script.4. Error logfunction Insert_member () { if (! $model->insert ($data)) {Log::record ($model->geterror, Log::sql, ' Insert_ Member '); return false; }}Above is an Insert member information method, when inserting data failure, will record th

number of methods for removing elements. We can remove a specific element from a ArrayList with the Remove method. On line, we remove the String "Wyoming" from the Aterritories ArrayList. (If you are attempt to remove a element that is does not exist, a ArgumentException exception would be thrown.) Remove allows you-take out a particular element from a ArrayList; RemoveAt, used on line, allows the developer to remove an element at a specific position in the ArrayList. Both Remove and RemoveAt

program code optimization usually includes: Reduce the size of the code, improve the efficiency of the Code. This allows the program to run faster. Here's a concrete discussion of Python code optimization techniques. Improved algorithm, select appropriate data structure

to the encryption of the URL) 2. UrlEncode is two-way encryption, can be encrypted with urldecode (strictly speaking, not real encryption, more like a coding method) 3. Returns a string, in addition to-_, in this string. All non-alphanumeric characters are replaced with a percent sign (%) followed by a two-digit hexadecimal number, and a space is encoded as a plus (+). */Troubleshoot problems with characters in links with the UrlEncode function:Common UrlEncode () conversion characters？ =%3f=

finished. The use of code Snippets we have two ways to use code Snippets, or the newly defined PC properties code Snippets as an example: in the right place (because the code snippet can be set when defining the use of the platform, the use of language, the use of files and other restrictions),　　To enter the PC, you c

Http://www.androidren.com/index.php?qa=282qa_1=android JS calls Java code or uses JavaScript-related techniques to change how to confuseAndroid 4.2 Start JS call Java code must add @JavascriptInterface to call. Add @JavascriptInterface after you have to consider the confusion of the time of the problem, if confused when the @JavascriptInterface lost your program

include many levels, such as error errors, warning warn, information info, etc., and have open source projects dedicated to logging, such as log4j to complete log management.5, the server side of the small Java program English is: Server Applet, so we put the server side of the small Java program called: Servlet.6, the use of Java code for simple Web server development and preparation work-Use JDK version: JDK1.6 or later.-Integrated development envi

printing and debugging statements, improve the efficiency of development debugging*/#define _MY_DEBUG_ 1#ifdef _my_debug_#define MY_DEBUG_PRINT_INFO (...) printf (__va_args__)#define MY_DEBUG_PRINT_VAR (X, ...) printf ("File:" __file__ ", Line:%d:" X "\ r \ n", __line__,# #__VA_ARGS__)#else#define MY_DEBUG_PRINT_INFO (...)#define MY_DEBUG_PRINT_VAR (X, ...)#endifIn the program you need to add debugging code, call directly:My_debug_print_info ("

repeater. To achieve the effect above, we must adopt the scripting techniques of the client to hide or show an area. And after IE 4.x, it is possible to implement the technology. For example, the contents of a Copy Code code as follows: This text is displayed or hidden when clicking the appropriate button below ... onclick= "showhideconten

a number of methods for removing elements. We can remove a specific element from a ArrayList with the Remove method. On line, we remove the String "Wyoming" from the Aterritories ArrayList. (If you are attempt to remove a element that is does not exist, a ArgumentException exception would be thrown.) Remove allows you-take out a particular element from a ArrayList; RemoveAt, used on line, allows the developer to remove an element at a specific position in the ArrayList. Both Remove and RemoveA

The so-called code footprint-encryption ction Techniques is simply to makeCodeSmaller Methods Http://www.mozilla.org/performance/footprint-reduction-techniques.html This articleArticleLists the following misunderstandings and solutions. Overuse of Virtual Methods to indicate class attributesIt is said that many virtual functions are used to implement class attributes.The solution is to put the variabl

asp.net Figure 2.7 Output of Listing 2.2.1 When viewed through a browser. When working with the various file system classes, it are often handy to import the System.IO namespace to save unneeded Ty Ping (line 1). Listing 2.2.1 uses the postback form technique we discussed in Chapter 1, "Common asp.net Page techniques." On line, a form with the runat= ' server ' is created. In the form, there are an asp:textbox control and a Submit button (Btnsubmit,

The goal of PHP optimization is to get the fastest running speed and the easiest code to maintain with the least cost. To provide you with the following optimization techniques: 1. Echo is faster than print. 2. Use Echo's multiple parameters instead of string concatenation. 3. Determine the maximum number of loops before executing the For loop, and do not compute the maximum for Each loop, preferably u

######################################################View Network link InformationNetstat-anptu-A: List all processes-N: Displayed in digital form-P: Process name and PID information-T:TCP Connection-U:UDP Connection####################################################Host name and IP address mapping relationship/etc/hosts (DNS resolution) only provides parsing for native computers[Email protected]/]# Tail-2/etc/hosts192.168.4.7 svr7.tedu.cn192.168.4.10 haha.tedu.cn[[email protected]/]# Ping svr