Sql-while begin End

Label:DECLARE @i intSet @i=1While @i<=10000000BeginINSERT INTO dbo. Persons (Age,sex,grade,name) values (CAST (Floor (rand () *100) as int), ' Male ', ' 2 ', ' Zhang San ')Set @[email protected]+1EndRun time takes 01:15:54Sql-while begin End

SqlLocalDB2014 using Notes

Label:Software development, the database is certainly essential, of course, the database, the best compatibility in. NET development is Microsoft's pro-son "SQL Server", but the installation of SQL Server installed in a random version is a multi-g

A year to become a master of Emacs (like God using the editor)

Label:Author: chenbin (Redguardtoo)Version number: 20150424Update time: <2015-04-24 fri>Original time: <2012-01-31 tue>Copyright: This article is licensed under the following agreement, free reprint-non-commercial-non-derivative-retain

ZOOKEEPER[2] Zookeeper principle

Label:Transferred from: http://cailin.iteye.com/blog/2014486Zookeeper is a distributed, open-source distributed Application Coordination Service that contains a simple set of primitives that can be used by distributed applications to implement

Get geo-location based on IP address

Label: ///<summary> ///provide the method of searching IP information from the pure IP database;///</summary> Public classIpselect {FileStream ipfile; LongIP; Public stringIpfilepath; ///<summary> ///constructor

Generic matrix Classes

Label:1, Genericmatrix classPublic abstract class Genericmatrix<e extends Number> {/*** Abstract method for adding elements of the matrices* @param O1* @param O2* @return*/Protected abstract e Add (e O1, e O2);/*** Abstract method for

Artifact recommendation

Label:Editor & IDE VIM gmarik/vundle rizzatti/funcoo.vim https://github.com/scrooloose/nerdtree.git modeliner drawit vim-scripts/align https://github.com/Lokaltog/vim-powerline.git

DateTime operation, time range, plus and minus

Label:The DB has a time in the array of char types, for example 20151111 12171220000, which now needs to be reduced by 5s, forming a time range and then writing the stored procedure. the idea is to convert the time to datetime first, and then the

RABBITMQ Message Queuing 1:detailed Introduction detailed description

Label:1. HistoryRABBITMQ is an open source implementation of the AMQP (Advanced Message Queue) developed by Erlang. The emergence of AMQP in fact is also the needs of the masses of people, although in the world of synchronous messaging communication

Access rights for private, protected, public, internal modifiers

Label:3. Describe the access rights of private, protected, public, and internal modifiers.Private: A privately owned member that can be accessed within a class. Protected: A protected member that can be accessed within the class and in the

About string

Label:I. NSString and CharNSString is the only keyword in OC that defines a string, often followed by a pointer (*). Because it is defined by nsstring, you need to add the @ symbol when printing output in OC. The next step is char in C, which

The difference between the models of LI, SI, EI and HI in the H3C switch

Tags: software switch model interface productsThe difference between the models of LI, SI, EI and HI in the H3C switchLI (Lite software Image) indicates that the device is a weak feature version. The SI (standard software Image) indicates that the

DSN establishes a Dream 7 (DM) connection

Label:(DSN) Data Source NameThe ODBC Data Source Administrator provides three types of DSNs, User DSN, System DSN, and File DSN, respectively.whichThe user DSN saves the appropriate configuration information in the Windows registry, but only the

Probe into the Operator of Blender script

Label:Addon (plug-in) is used to extend the functionality of Blende R, as in other software plugin (plug-ins), remove does not affect the operation of the software. Plugins can be added to Blender's user preferences directory, or in the. blend file

Mathematics 1 Exam Outline

Label:Exam Subjects: Advanced mathematics, linear algebra, probability theory and mathematical statisticsExamination form and examination paper structureI. Full score and test timeThe examination paper is divided into 150 points, the test time is 180

Calculates the angle atan2 (double y,double x) between the calculated point and the x-axis positive half axis, returning the Radian system (-PI,PI]

Label:The accuracy is higher than ACOs, ASIN what.Parameters Y Value representing the proportion of the y-coordinate. X Value representing the proportion of the x-coordinate. If both

Code coverage from simple to complex (a)

Label:Code coverage is an important indicator of how well a test case covers the software under test and is an important indicator for measuring the progress of testing. It is also one of the important indicators to quantify the testing effort,

Leetcode:3_longest Substring without repeating characters | The length of the oldest string without repeating characters | Medium

Label:Topic: Given a string , find the length of the longest substring without repeating chara Cters. For example, the longest substring without repeating letters for " ABCABCBB " is abc , which the length is 3 . For BBBBB the longest

H3C Command Daquan

Tags: password configuration file simple Flash SuperEnter System viewSystem-viewConfigure Device Namesysname RouterAView content in the Flash directoryDirSpecify the next boot configuration fileStartup Saved-configuration Main.cfgSave

Japanese verb grammar

Label:Japanese verbs are divided into:1. A class of verbs class two verbs//new division2. Paragraph verb five-paragraph verb サ change word からご change word  Some verb:Concept: Also known as the second class of verbs, the general end of a るる before

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