cissp preparation

[] args) { var list = new listFive MethodInvoker are built within the loop. They share an instance of the variable index, but each has its own instance of the variable counter. So in the final printed result, the value of index will always be 5, and the value of counter is different each time.Finally, the first delegate is executed three times, at this time the value of counter will use the first, the first delegate runs after the counter value, it will be played 1, after print

Shader preparation for Cocos2dx engine 11-OpenGLES Rendering The underlying Graphics of Cocos2dx are drawn using OpenGL ES protocol. What is OpenGL ES? OpenGL ES (OpenGl for Embedded System) is a subset of OpenGL 3D graphics APIs. It is designed for Embedded devices such as mobile phones, PDAs, and game hosts. this API is defined and promoted by Khronos group. Khronos is a graphic software and hardware industry association, which focuses on open stand

Basic preparation for building your PHP framework with Composer and building with composer "The era of Composer unified the world has arrived !』 -- Bai yansong "One era is over and the other is over ." Framework Interoperability Group (Framework Interoperability Group), FIG for short, was established in 2009. FIG was initially initiated by several well-known PHP framework developers, in absorbing a lot of excellent brain and strong body, proposed PSR-

Learn from each other C # object-oriented preparation Object-oriented (OOP → Object-Oriented Programming) 1. What is object-oriented? An analysis method.2. Object-oriented features: Encapsulation (easy to implement/reuse/modify hidden code), inheritance, and polymorphism.3. What is a class? What is an object? What is the difference between a class and an object? How to Write a car? Class is a mold. It creates a mold for an object and is abstract.Cl

I. Source structure-Main catalogue introductionDoc: Contains a python document in rest format that requires the use of the Sphinx to compile and install the document. The documents that have been generated can be downloaded here . Grammar: Contains a python syntax file with the same name.Include: Contains all the header files provided by Python, and if you need to write extensions in C + +, you need to use the header file provided here.LIB: Contains the standard library that comes with Python, a

5-JEESZ distributed framework-install Tomcat 7 in CentOs (Environment preparation) and centostomcat7Statement: Because the running environment of the JEESZ distributed framework is based on the linux system, this section also summarizes some information on the Internet. Considering the post-blog as the native tutorial of the framework, this section provides detailed installation records, I also hope to help you 1.Install tomcatUse sshto upload the apa

static void Main (string[] args) System.out.println ("Hello World");} }(3) Turn on DOS and use the CD command to enter the specified folder: E:\Java\develop\jdk1.8.0_25\bin(4) in the command line mode, enter the Javac command to compile the source code, generate the bytecode fileFormat is: Javac Helloworld.java(5) After the completion of the compilation, if there is no error message, enter the Java command to interpret the class bytecode file to run, do not need to

algorithms can help you make decisions.DatabaseThe sqlite3 is built into Python. If you only need a simple database, you can call sqlite3 directly from the standard library.When using database-related packages in Python, such as sqlite3, you need to have a basic understanding of the database, especially the relational database. encryption and text encodingPython's cryptographic algorithms are also based on some classic cryptographic algorithms, such as the MD5,RSA algorithm. The basics of crypt

C # development journey-preparation stage, I recently started to learn the development related content, record it, and gradually develop the habit! 1. Apply for a public account: the public account is divided into a subscription account and a service account. You can click here to view their previous differences Because we are testing, we can apply for a test account directly and activate all the functions. Address: http://mp.weixin.qq.com/debug/cgi-b

and login (public) Comments (public) Media Details Video Testimonials Four Adaptive Layout (public)Five website Graceful downgrade with progressive enhancement (advanced browser can use CSS3 some effects, low-end browsing just guarantee the functionality and basic style without problems)Six of the website View The code catalog also needs to be sortedSeven code each other, do not mean to point out other people's mistakes, you should be willing to accept other people to tell you

, but not now. So let's start with this 2d pen.Third, rubberOn the canvas, we can use "eraser" if we find that something needs to be removed in some places.Use canvas to make an eraser:Ctx.clearrect (X1,Y1,X2,Y2);Four, coordinates2d world, is the plane, in a plane to determine a point, requires two values, x-coordinate and y-coordinate. This is a very important basic concept.The canvas's origin is the upper-left corner, which is consistent with the location of the Web page.Five, pathUse coordina

[C Language] Data Structure-preparation knowledge dynamic memory allocation, data structure dynamic memory Dynamic Memory Allocation Static Memory Allocation array int a [5] = {1, 2, 3, 4, 5} Dynamic Memory Allocation Array Int len = 5; Int * parr = (int *) malloc (sizeof (int) * len ); 1. 4*5 = 20 bytes of memory is allocated, and the address of the first byte is returned. 2. The address of the first byte is meaningless, so it is forcibly converted t

use it very cool, except on Win write C with Visual Studio outside.2,Sublime Text 2Official homepageConsidering the use of the TCC to compile, do not need too much IDE, select Sublime Text is because the learning stage program is mostly single file, simple.Three, C language entry information:Books:1,C Primer Plus (fifth edition) Chinese version . Classic Primer. Many of the sixth editions of the online results are C + +.2,C traps and defects . This book is very thin, I am a beginner to understa

Preface has not written a blog for a long time, because recently in the study of cocos2d-x, a few days ago saw a cocos2d-html5 in the MoonWarriors, thinking can not use cocos2d-x for restructuring, on the one hand, you can practice this flight game programming ideas, on the other hand, you can also deepen the understanding of cocos2d-x, good, not much said, began to refactor, first we from. Start to open xcode to create a project. Here we select cocos2dx, and Next is Next. After installation, ru

controls the visibility and life cycle of variables and functions. In JavaScript, the scope of a variable has both global scope and local scope.7. Cross-domainSimply understand is because of JavaScript homologous policy limitations, a.com domain name JS can not operate B.Com or c.a.com the object under the domain name.8. Prototype chain9. Modular10. Custom Events11. Memory leaks12. Event mechanism13. Asynchronous Mount Callbacks14. Template Engine15.Nodejsnode. JS is a set of JavaScript toolkit

-module=/code/nginx-1.8.0/src/http/hello_module After the Configure run is complete, make compile with the command, and enter the installation after the compilation is successful make install . Modify /usr/local/nginx/conf/nginx.conf , add: http{ ... server { ... location /hello { hello; } ... } ...} Run Nginx, and then IP/hello you can see the "Hello World string" displayed in the browser input. Reference "Deep understanding of Nginx" The abo

/wkiol1ts7rusdco5aanzkkdfjxy684.jpg "alt=" wkiol1ts7rusdco5aanzkkdfjxy684.jpg "/>650) this.width=650; "width=" 784 "height=" 673 "title=" Untitled. png "style=" WIDTH:734PX;HEIGHT:507PX; "src="/HTTP/ S3.51cto.com/wyfs02/m02/59/71/wkiom1ts7gldmv2iaaoy9kpvnoa308.jpg "alt=" Wkiom1ts7gldmv2iaaoy9kpvnoa308.jpg "/> Open the "Run" input "ipconfig/release" to release the acquired IP address650) this.width=650; "Width=" 784 "height=" 673 "title=" Untitled. png "style=" WIDTH:738PX;HEIGHT:508PX; "src="/HT

Article Title: newbie School: preparation of vsftpd in Linux system logs. Linux is a technology channel of the IT lab in China. Some basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open-source systems/etc/ftpusers are set to restrict certain users on the system from using FTP to transfer files, /etc/ftphosts is set to prohibit some hosts from connecting to your FTP server, so as to ensure

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After 1 months of learning and understanding of OBJECTIVE-C, it also has a certain understanding, but only to understand, but also need to continue to be skilled and groping in the future to master.From now on to write this article, formally entered the path of learning iOS development. Before watching a lot of people published their own forum or blog, feel that they should have this thing, not only to enrich the content of learning, but also the process of accumulating knowledge. At the same ti