C#

usingSystem.Security.Cryptography; Public Static stringEn32 (stringstr) { stringPWD =""; MD5 MD5= MD5. Create ();//instantiate a MD5 pair of images//after the encryption is an array of byte type, here should pay attention to the choice of

. The generic collection in netHere is a general introduction to common generic collections, and many times the thread safety of concurrency often makes us worry. Thus the brief. NET concurrency, see MSDN for details on the thread safety features.

C # basic syntax Learning (9 ), Interfaces in C # In C #, an interface is a set of common methods or attributes. Interfaces can be inherited by other interfaces or classes, but cannot be instantiated. 1. attributes and methods contained in

Read the IL code (1) and read the il code When I first started learning C #, some experts told me to learn about the IL code, after reading the code, you can better understand how the code you wrote runs and calls each other. However, at that time,

What is the difference between String, StringBuffer and StringBuilder ?? [Switch], bufferbuilderString constantStringBuffer string variable (thread safety)StringBuilder string variable (non-thread-safe)In short, the main performance difference

Repeater three-level nested binding, background. Aspx. cs Protected void rpt1_ItemDataBound (object sender, RepeaterItemEventArgs e) {if (e. item. itemType = ListItemType. item | e. item. itemType = ListItemType. alternatingItem) {Repeater

ArrayList set and arraylist set sorting // Do not forget to reference the namespace using System when using ArrayList. collections; // first import the namespace // 01. add Method add method // tell memory, I want to store content ArrayList list =

[Convert] Unity3d to MonoBehaviour's rewritable function arrangement, unitymonobehaviourUnity3d unibehaviour rewrite function arrangement I recently learned about Unity3d. Although many documents have been recorded, I will record it for my

C # implementation of Union, I. Basics Unlike C ++, C # Does not Union itself, but can be implemented by manually controlling the position of each element of the struct.StructLayoutAttribute, LayoutKind, and FieldOffsetAttribute. When using them,

A few small examples of linq and a small example of linq Private void button#click (object sender, EventArgs e) {int [] numbers = new int [7] {0, 1, 2, 3, 4, 5, 6 }; var result0 = from num in numbers where (num % 2 = 0) select num; foreach (int n in

[Reconstruction learning] 08 reconstruction of conditional expressions and reconstruction of 08 conditional expressions The so-called conditional expression is the branch statement. Remove the branch statement. 1. decomposition condition

C # multiple methods to obtain the file path, String str5 = Application. StartupPath; // obtain the path of the executable file that started the Application, excluding the name of the executable file.   String str1 = Process. GetCurrentProcess ().

Encountered a strange problem, cocould not load the assembly file XXX downloaded from the Web, assemblydownloaded After compilation, I did not pass it to the client and reported cocould not load the assembly file: // xxx. dll, After reading some

C # Study Notes 1: CLR & C # basics,Preface. Net Framework is not an abstraction layer on Win 32 API and COM. To some extent, it is its own operating system, with its own memory manager, its own security system, its own file loader, and its own

Solr learning Summary (2) installation and configuration of Solr, solr Summary Next, I will summarize the installation and configuration of Solr.   　　1. Prepare 1. install java 8 and tomcat 9. The installation of java and tomcat is not repeated here.

01 Singleton mode, 01 mode I. Introduction My personal blog in the blog Park was applied in February, but I haven't written any articles yet. I feel a little sorry for this blog (a bit of installation .. Haha ). Well, let's not talk much about it.

[Serialization] Design and Implementation of C # communication (Serial Port and network) framework-5. Unified IO Design of serial port and network, Contents Chapter V unified serial port and network I/O design... 2 5.1 unified IO Interface... 2 5.1.1

C # try catch exception capture mechanism for basic knowledge points, I. keywords used for exception handling in C # Try is used to check for exceptions and help send any possible exceptions. Catch handles errors in a way with greater control.

Redis Summary (ii) How to Use redis in C, In the previous article, we talked about installing redis "Redis Summary (1) Redis installation", and also introduced the advantages and application scenarios of redis. This article focuses on how to use

C # concatenate jQuery methods, JQuery method concatenation is very convenient to use, and can simplify the statements to make the code clear and concise. Can C # class methods implement similar functions? Based on these questions, I studied