A cmd command you may not know: Start

Start The START command can run Program. The usage is as follows: 1. Start. Open the current directory. The current directory is opened with three or more vertices. And two vertices indicate opening the parent directory. 2. Run the program.

The prompt "can't load package: dclite70.bpl solution" is displayed.

Win2003server SP2 + Delphi7, the system prompts can't load package: dclite70.bpl when you start delphi. An exception occurs when you open options.Solution: Right-click my computer ". Click properties ".Click Advanced in system properties ".Click

Saving data in the process

Thread provides an API to save data to a thread, just as every thread in ASP. NET saves a session.Use thread. getdata and setdata to read or write data. ExampleCodeAs follows: Thread. setdata (thread. getnameddataslot ("key"), data );Object Data =

Excel learning notes-Area Selection

  ExcelStudy Notes -Region selection   Preface The New Year is approaching, and I will write down some of my recent learning content. This is a summary of the work and serves as a memorable souvenir. The New Year has a new atmosphere, and 2009 is

How to expose your unprofessional

Original address: http://tb.blog.csdn.net/TrackBack.aspx? PostId = 1781594 in the workplace, more professional people are welcome, because more professional people give others more peace of mind. In the eyes of others, whether a professional or not

I haven't written it for a long time. paste a piece of code and refresh it.

Returns string flip  Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--># Include "stdafx. h" # Include # Include # Include # Include Using namespace std; Int _ tmain (int argc, _ TCHAR *

Methods related to System. Diagnostics. Process

Methods related to System. Diagnostics. Process. 1. Obtain the user account that starts the Process. Return the account in the form of "domain \ User Name" or "machine name \ User.Code: GetProcessOwnerAccount Code highlighting produced by Actipro

SEHException Error Handling Method

I applied Application. EnableVisualStyles () before Application. Run (new MainForm ();The program has a button, and the code of the Click event is: Form1 frm = new Form ();Frm. ShowDialog ();When the program is running, click this button, and a

Do not abuse Singleton Mode

  Singleton mode is one of the 23 most commonly used design patterns. The single mode shields object initialization, so you can easily obtain the object instead of initializing it every time. Because of its ease of use and ease of use, a class in

Full-text indexing is currently a key technology of search engines.

Full-text indexing is currently a key technology for search engines. Imagine it may take several seconds to search for a word in a 1 M file, and dozens of seconds to search for a M file, if you search for a larger file, a larger system overhead is

Try {} catch {} instance in SQL

    Alter procedure [dbo]. [P_DangerSource_File_Add]@ SourceName varchar (50), -- name@ TypeID int, -- type@ DangerLevel varchar (30), -- hazard level@ IsControl bit, -- whether to monitor@ SourceLocation varchar (200) -- hazard source location@

Summary of input values in WinForm

I learned about the display of the form, and then summarized the method of passing values in the form: 1. ConstructorFeatures: it is easy to transmit values in one way (values cannot be transferred to each other ).The implementation code is as

How to disable Winform

1. this. close (); only closes the current window. If it is not the main form, it cannot exit the program. In addition, if there is a managed thread (not the main thread), it cannot exit cleanly; 2. Application. Exit (); force all messages to stop

Convert TXT files in ANSI format to UTF-8 files in batches

# Region converts ansi txt files to UTF-8 files in batches Class FileControl{Private string path = "";Private DirectoryInfo dirInfo = null;Private FileInfo [] fileInfo = null;Private string msg = ""; Public string Msg{Get {return msg ;}Set {msg =

SQL statement Optimization Methods: 30 examples

We often use hint in the SQL statement optimization process. Here we summarize the common Oracle HINT usage in the SQL optimization process: 1./* + ALL_ROWS */ It indicates that the overhead-based optimization method is selected for the statement

Convert GB2312 to UTF-8 and utf_8 to GB2312

    /// /// Convert utf_8 to GB2312/// /// /// Private string ToGB2312 (string utfInfo){String gb2312Info = string. Empty;Encoding utf8 = Encoding. UTF8;Encoding gb2312 = Encoding. GetEncoding ("gb2312 "); Byte [] unicodeBytes = utf8.GetBytes

SQL splits comma-separated strings into temporary tables.

  In the process of interacting with the database, we often need to pass the string consisting of a string of IDS as a parameter to the stored procedure to obtain data. Many times we want to convert this string into a set to facilitate in operations.

Change the Enter key to the Tab key to achieve focus Transfer

/// /// Method related to Form Control /// Public class ControlTools { Private Form frm; Public ControlTools (Form frm){This. frm = frm;} /// /// Press enter of all child controls on the form to set it to a Tab/// Public void EnterToTab (){Frm.

Read the Excel file to the able

Private static string [] GetExcelSheetNames (OleDbConnection conn){DataTable dtbSheets = null;String [] arrExcelSheets = null;Using (conn){Try{Conn. Open (); // Get the data table containing the schemaDtbSheets = conn. GetOleDbSchemaTable

Large file Copy

  Private void button3_Click (object sender, EventArgs e){Thread thread = null;// Put the operation in a thread to prevent the interface from dyingThread = new Thread(() =>{// Tell the system not to detect illegal cross-thread

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