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361: How to determine whether the string string is empty?
How to determine whether the string string is empty? Writen by Allen Lee 0. Origin: Nguyen writing this article in the discussion of the origin - "FxCop tells me to check whether a string is empty use string.Length. . " In fact, used Fx...

362: Numerical operations can only TextBox
When the interface to the user to enter only digit characters, the default Textbox is not competent, there are many online users have given a lot of practice, summed up what I wrote in C # under a realization of the following points be : 1: can onl...

363: So that the Close button on the form failure
Const vbFormControlMenu = 0 'User has chosen Close command from Control menu box on form Const vbFormCode = 1 'Unload method invoked from code Const vbAppWindows = 2 'Current Windows session ending Const vbAppTaskManager = 3 'Wind...

364: Regular expressions have been used on the page link
GetUrl.aspx code is as follows: <% @ Page Language = "vb" CodeBehind = "GetUrl.aspx.vb" AutoEventWireup = "false" Inherits = "aspxWeb.GetUrl"%> <html> <head> <META Http-equiv="con...

365: Fixed network code to decipher a simple way to verify
Option Explicit Private Declare Function GetPixel Lib "gdi32" (ByVal hdc As Long, ByVal X As Long, ByVal y As Long) As Long Private Const CF_BITMAP = 2 Private Declare Function URLDownloadToFile Lib "urlmon" Alias "URLDow...

366: Lock your EXCEL
ACCESS database do you use? ACCESS has a practical function is to lock the application process itself ACCESS. ACCESS database files the user regardless of whether or not encrypted, it is necessary to open the ACCESS application must be authenticated...

367: For an additional EXCEL your favorites
In IE, there is a call of the Eastern favorites, usually used to drag the inside of the web site address, when used inside as long as the click of the icon can be related to the site and give us a great deal of the operation convenience. You want th...

368: Jump in text and verify that
using System.Text. RegularExpressions; private void txtChequeCode_KeyDown (object sender, System.Windows.Forms.KeyEventArgs e) ( if (e.KeyCode == Keys.Enter) ( if (Regex.Match (this.txtChequeCode. Text. Trim (),@"^ \ d +$"). Success) ...

369: Generated image verification code function
'To generate the image verification code function Sub ValidateCode (ByVal VNum As String) Dim Img As System.Drawing.Bitmap Dim g As Graphics Dim ms As System.IO.MemoryStream 'gheight for the picture width, according to the length of cha...

370: Produced the most clear and complete category thumbnails
Public Class ClassUpPic Private vPicFile As System.Web.UI.HtmlControls.HtmlInputFile Private vSmallPicSize, vUpFileSize As Integer Private vUpPicPath, vNewPicName, vTmpPicName As String Private PicMin, PicMax, vPicMax As System.Drawing.Image Pr...

371: kind of simple application process
kind of simple application process server did know there is a "token Server Manager", which is the functional manager in the number of procedures to start, or you can shut down a number of procedures have been initiated, then this function...

372: Commonly used expression
Commonly used expression In order to better understand how to use C # environment the rules of regular expressions, I write to you some of the rules may be useful for the expression, the expression in other environments have been used, you would li...

373: SharpDevelop source code analysis (II, idea)
Courses at the university there, I am not sure is always simulated circuit, until now as well. I always feel very strange circuit, there will always ask "This is part of the circuit is used to do," "Why is there such an effect." ...

374: Rapid development of application programming interfaces SMS
With the mobile phone and SMS users in the growing popularity, many builders of IT applications, the user wishes to be able to in their own application to add SMS functions. In order to increase the functions of SMS, developers need access to stable...

375: Microsoft Outlook General Assembly of new technologies - the full text of Bill Gates speech and Q & A
Assembly of new technologies, Microsoft Outlook The full text of Bill Gates speech and question and answer are as follows: Today, I am very excited to be here to talk about the future of software, software in the next two decades will change the w...

376: The full text of a speech Bill Gates
The full text of Bill Gates speech and question and answer are as follows: Today, I am very excited to be here to talk about the future of software, software in the next two decades will change the world, more than any other thing to change the wor...

377: Bubble Sort Algorithm Analysis and Improvement
Bubble Sort Algorithm Analysis and Improvement Exchange of the basic idea is to sort: 22 Comparison of the keywords to be sort records and found that the order of two records to be exchanged when the contrary, until there is no record of anti-seque...

378: An example from the document to see the rules of WML
The following examples illustrate the adoption of a common WML syntax rules: <? xml version = "1.0"?> <! DOCTYPE wml PUBLIC "- / / WAPFORUM / / DTD WML 1.1 / / EN" "http://www.wapforum.org/DTD/wml_1.1.xml"&g...

379: Namespace to use their own name Webpart norms
Webpart to see Microsoft's NameSpace is the norm, such as Microsoft.Sharepoint.Webpart. Then how to use their own WebPart development of such norms is also the name of it? 1, create a Webpart Project Webpart created works is that when the pop-...

380: Simple solution for enterprise e-Fax
Now the enterprise, regardless of size, will probably have their own local area network, and will have its own internal mail server, and many businesses will be asked to share their own machines, that is, each company may have one or two text printe...


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