ADO. An overview of the 5 large objects in net :1---Connection object : Connect to the database.(1) Log in with SAconn = new SqlConnection ("Data source=newland-pc;initial catalog=srr1100u; User id=sa;pwd=123456; " ); Conn. Open (); (2) using
Today talk about the C language function, C language is through the function to implement the module, and modular programming. is to put a function or implement an algorithm to encapsulate it into a function, the advantage is: ① Our code will look
From: http://blog.csdn.net/pangshaohua/article/details/38912555Refer to a factory demo written1. Define "abstract class of background style" and "abstract factory of background style"1 #pragmaOnce2 /*abstract class background style*/3
Try to do less transformational actionWhat is the purpose of doing less transformational action? Obviously, it is to improve the stability of the program and improve the efficiency of the program execution.So, what are the ways of transformation?
In this bidirectional circular list, the header node first does not have an element, and when the bidirectional loop list is empty:first->rlink=first->llink=first;The following code realizes the insertion and deletion of the bidirectional circular
See there are many implementations of this on the web, and will involve the processing of details. For the convenience of later use, this provides functions that can be used directly.Resources:1: Explain C + + StringStream (Details):
The Peterson algorithm simplifies the implementation of process mutex relative to the Dekker algorithm (see process Mutex (ii) Dekker algorithm).Suppose there are two processes that require mutually exclusive access to a critical section.The
1. PrefaceFor all the code examples in this article, if you are running on Windows compilation, you are using Visual Studio 2013. If the RHEL6.5 platform (Linux kernal:2.6.32-431.el6.i686) is compiled and run, its GCC version is 4.4.7 as
Please respect the original reprint please famous source: http://blog.csdn.net/wushao126/article/details/46660375First go to the official website to download the latest quick, configure the environment, create a LUA project, command Cocos New XXX
C # Obtains the basic information of the system, mainly uses "systeminformation" and "Environment", here uses the WinForm demonstration,Get some information about the system, in fact this can also be used by the console program. Here the demo is
Original: C # parse URL parameter to get parameters and worthy corresponding list /// ///Parse URL link, return parameter collection/// /// URL link /// /// Public
in fact, as long as the use of socket connection, basically the use of thread, is cross-use.The socket usage in C # encapsulation is basically not very complex, but it is not known whether the socket after hosting has any other performance or
. NET is often used to dynamically load DLLs, and DLLs may contain various parameters, methods, forms, how to invoke the dynamic loading of these parameters, methods, forms?In C #, we want to use reflection, first to understand the relationships of
One call formatC # has a special invocation process when calling the WindowsAPI function interfaceFirst we must refer to the namespace when calling the API function interopservicesUsing System.Runtime.InteropServices;For example, we want to invoke
usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Text;usingSystem.Windows.Forms;usingmshtml;usingSystem.Threading;usingmshtml;namespacewindowsformsapplication3{ Public Partial
See the TV drama "Chu Han legend" Friends should also have the impression of this scene: When Liu Bang for the first time to find Xiang Yu Help, their line of people saw how Xiang Yu barracks is how to training, think of his method of training, then
When a process's global variable is declared as static, its Chinese name is called a static global variable. There is no difference between a static global variable and a storage location for other global variables, but it is only valid within the
C ++ getting started -- TemplateWhy template?
We have learned the Overloading feature. for heavy-duty functions, C ++ uses the correct matching of function parameters (number of parameters, parameter type) to call the heavy-load functions. For
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