C++

Original: C # self-compacting class method for exporting database tables to CSV compressed filesWhen exporting a large number of CSV data, often large size, the use of C # comes with the compression class, you can easily implement this function, and

Sorting by key and sorting by value for map in C + + STLMap is used to store key value pairs of data structure, can be easily and quickly based on key to find the corresponding value. If you store students and their results (assuming that there are

  Recently I wrote a small tool for AD account import (why do I write "accounts ?), I would like to share with you the relevant code. Thank you for your advice! First, I have prepared an Excel file as an import template and added some test

View C # (3) through IL) Foreach statement Address: http://www.cnblogs.com/AndersLiu/archive/2009/02/04/csharp-via-il-foreach.html Original: Anders Liu Abstract: A foreach statement is an important loop statement in C #. It is used to traverse every

Moderate C # Is a static type language. To use a type, you must reference the definition of this type. Therefore, reference dependencies between components may occur from the software organization perspective. There are two common reference

1. c # The TabControl control in it does not have a close button, and it is ugly. 2. There are some third-party controls that are ready for use, but they are charged. 3. Because my fault tree inference and diagnosis project allows multiple documents

C # is compressed and decompressed, which is encapsulated by a third-party class library. ICSharpCode. SharpZipLib. dll class library, which can be downloaded from your official website. Compression is mainly performed using stream

1. Generate the HTML page of the report style through the program, and then modify the HTML page suffix to DOC. 2. Customize the template file of the WORD document, operate the WORD template in C #, and generate a new WORD document. The first

1. Environment: window 2003, IIS6.0 First, you must modify the maximum number of asp requests in IIS6.0. The default value is 200 K; Method: Open metabase. XML in C: \ Windows \ System32 \ Inetsrv, Modify AspMaxRequestEntityAllowed for the value

[Link to this article] Http://www.cnblogs.com/hellogiser/p/double-threads-to-download-and-write.html [Question] Download data from the network and store the data on the hard disk. A simple practice is to download one piece and then write it to the

First, let's briefly introduce the Roman numerals. Seven roman numerals are taken from Wikipedia: I (1), V (5), X (10), L (50), and C (100) D (500), and M (1000 ). Any positive integer can be expressed according to the following rules. It should be

In linux, you can use top or vmstat to view the system's CPU usage. In most cases, the CPU usage is accurate, but in real-time linux systems with high time precision, the CPU usage measured by top may be inaccurate. The following uses the top

Object-Oriented Programming-class scopes under Inheritance Introduction: In the case of inheritance,The scope of the derived class is nested in the scope of the base class.: If the name cannot be determined in the scope of the derived class, search

If A class only defines the class name and does not define any methods or fields, such as class A {}; then each instance of class A occupies 1 byte of memory, the compiler inserts A char in this instance to ensure that each A instance has a unique

C ++ is a widely used computer programming language. In such a powerful language, there are a lot of important content that deserves continuous learning and exploration. First, let's take a look at the application methods related to the C ++ file

// ================================================ ====================================// TITLE:// C ++ vs c # (3): switch, type conversion// AUTHOR:// Norains// DATE:// Tuesday 1-December-2010// Environment:// Visual Studio 2010// Visual Studio 200

GDI + is a sub-system in windows XP and windows Server 2003. It is mainly used to process system message rendering. GDI + is an extension of GDI. It inherits a bit of GDI and makes improvements based on it, including adding some graphic functions

POJ 1952 buy low, buy lower dp records data The longest descending subsequence is added to record the number of longest descending subsequences, and then deduplication is required. The most troublesome thing is to remove duplicates. The basic idea

Author: Qing Dujun Convert a decimal number to any hexadecimal number (2 ~ Between hexadecimal )~ C language: # Include // N: original number (decimal) to: convert to the hexadecimal buf: Save the converted hexadecimal number void fn (int n,

Question: Ultraviolet A: 185-Roman Numerals Question: Give a string equality and ask if this string is a Rome equality? Are there any conforming Arabic equations? The former outputs correct or incorrect, and the latter scores: A combination of