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What do Clustered and Non clustered index actually mean?
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A clustered index means you are telling the database to store close values actually close to one another on the disk. This has the benefit of rapid scan / retrieval of records falling into some range of clustered index values.
For example, you have two tables, Customer an...
Android Left to Right slide animation
... externally set variables like duration, easing etc. when working with xml-based animation?
– Daniel Saidi
Aug 1 '13 at 13:50
7
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Performance of foreach, array_map with lambda and array_map with static function
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Trusting all certificates using HttpClient over HTTPS
...turn sslContext.getSocketFactory().createSocket();
}
/**
* Based on http://download.oracle.com/javase/1.5.0/docs/guide/security/jsse/JSSERefGuide.html#X509TrustManager
*/
public static class AdditionalKeyStoresTrustManager implements X509TrustManager {
protected Arr...
eval command in Bash and its typical uses
...ave a script to generate each of the affected .conf files from a template, based on the same poking around. One thing I like better about my way is that starting apache without going through /opt/lampp/xampp does not use stale output scripts, but rather it fails to start because the environment vari...
What is a lambda expression in C++11?
...nction.
Similarly, you can use lambda expressions to initialize variables based on the result of an algorithm...
int a = []( int b ){ int r=1; while (b>0) r*=b--; return r; }(5); // 5!
As a way of partitioning your program logic, you might even find it useful to pass a lambda expression as an...
Error-Handling in Swift-Language
...rror conforms to this protocol but you probably would like to go with enum-based ErrorType which enables you to group multiple related errors, potentially with additional pieces of data, like this
enum DragonError: ErrorType {
case dragonIsMissing
case notEnoughMana(requiredMana: Int)
....
Is cout synchronized/thread-safe?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Multiple INSERT statements vs. single INSERT with multiple VALUES
...vr.exe!CConstraintProp::PcnstrUnion() + 0x35e bytes
sqlservr.exe!CLogOp_BaseSetOp::PcnstrDerive() + 0x11a bytes
sqlservr.exe!CLogOpArg::PcnstrDeriveHandler() + 0x18f bytes
sqlservr.exe!CLogOpArg::DeriveGroupProperties() + 0xa9 bytes
sqlservr.exe!COpArg::DeriveNormalizedGroupProperti...
tinyxml XML解析库下载（tinyxml2.h 和 tinyxml2.cpp） - 源码下载 - 清泛...
...bool ToDouble( const char* str, double* value );
};
/** XMLNode is a base class for every object that is in the
XML Document Object Model (DOM), except XMLAttributes.
Nodes have siblings, a parent, and children which can
be navigated. A node is always in a XMLDocument.
The type of a XM...