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During data design, the default value is set for some fields, Smark. data also supports this function. A component describes a value attribute in the attribute to tell the component what value should be provided if this value is not set. The

C # several common sorting algorithms: 1. Bubble Sorting 1. bubble sort method # region bubble sort method 2 public void Sort (int [] list) 3 { 4 long begintime = System. DateTime. Now. Second * 1000 + System. DateTime. Now. Millisecond; 5 WriteLine

    Use a named pipe in. NET to complete inter-process communication Have you ever had to exchange data between two. NET applications on the same machine? For example, a Web site and a Windows service ?. NET Framework provides several good options

Valid tive C # Item 16: Minimize garbage When we use C #, GC (Garbage Collector) will help us to manage memory resources very efficiently, and it will clean up meaningless objects very efficiently. However, even if you work more efficiently,

  By repeatedly executing the INSERT command into the database, compare the performance of accessing SQL Server by ADO. Net ole db provider, ADO. Net SQL provider and ADO. Net ODBC provider.    { Function onclick () { Function onclick () { This.

1. Refer to this article in the learning process: nettier template generated code framework usage (http://www.cnblogs.com/minwellptl/articles/481208.html) Here is an example: 1.3.6. Save AssociationDeep storage: stores parent objects and subsets at

Private void btn_upload_click (Object sender, system. eventargs E) { If (uploadfile. postedfile. filename. Trim ()! = "") { // Upload a file String extension = path. getextension (uploadfile. postedfile. filename). toupper (); String filename =

Transferred from: http://www.cnblogs.com/fooo/archive/2008/01/07/1029119.html // ------------------------------- Load If (! Ispostback){ Httpcookie cookie = request. Cookies ["userinfo1"];Cookie. expires = system. datetime. Now. addminutes (20); //

Output cache is a powerful technology that increases the throughput of requests/responses by caching content generated from dynamic pages. By default, the output cache is enabled, but the output from any given response is not cached unless an

In the previous article, use the workflow designer to design a fairly simple workflow. Now, we will use the encoding method to implement the same workflow as the previous one. Any process can be usedCodeYou can also use the workflow designer. The

Dynamically set cookie expiration time Datetime dt = datetime. now;Switch (dropsavedate. selectedvalue) // dropsavedate is{Case "2 hours ":Dt = datetime. Now. addminutes (120); // expire in two hoursBreak;Case "one day ":Dt = datetime. Now. adddays (

The "Log" here refers to the applicationProgramEvent records during running. In the process of interaction with users, the essence of an application is the process of completing an event operation according to the user's wishes, different

I. Upload and play audio files Find a third-party control named aspnetpager on the Internet and reference the aspnetpager. dll file to the bin of the project. It can be called directly on the webpage. Reference namespace using telerik. webcontrols;

This morning I suddenly rememberedStringcollection, ItString set When we only store objects of an indefinite number of character types, is it true?Is stringcollection more efficient than arraylist?   First write a consoleProgram Using

By default, all cookies of a website are stored on the client, and all cookies are sent to the server together with any requests of the website. In other words, every page on the website can obtain all cookies for the website. However, you can set

Snowdust) Replied to the score from 09:35:3430 If Sunday is the first day of a week:Private void button#click (Object sender, system. eventargs E){Datetime dt = datetime. Now. adddays (-(INT) datetime. Now. dayofweek );For (INT I = 0; I {This.

Windows service is a Windows application that works independently of logon users. Program It is usually executed continuously when the computer is started until the computer is shut down. Such methods as exchange server, IIS, and anti-virus

Cookie is a piece of text information. Storing cookies on the client is one of the methods in which ASP. NET session States associate requests with sessions. Cookies can also be directly used to maintain data between requests, but the data will be

CopyCode The Code is as follows: using system; Using system. IO; Using system. Threading; Using system. Windows. forms; Using system. net; Namespace trojanmonitor { Public partial class form1: Form { Public form1 () { Initializecomponent

Run python on ubuntu to connect to pg. the following error occurs: ImportError: No module named psycopg2, ttupythonRun python on ubuntu to connect to pg. The error ImportError: No module named psycopg2 is returned.Root @ pgproxy1 :~ #