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SQL Server - When to use Clustered vs non-Clustered Index?
...red index.
It's the most replicated data structure in your SQL Server database. The clustering key will be part of each and every non-clustered index on your table, too.
You should use extreme care when picking a clustering key - it should be:
narrow (4 bytes ideal)
unique (it's the "row pointer...
Remove file from SVN repository without deleting local copy
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How can I reverse a NSArray in Objective-C?
...nts that immutability should not be tested for at run time, but be assumed based on the returned type, so returning an NSMutableArray in this case is perfectly correct code.
– Peter N Lewis
Feb 26 '15 at 0:06
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Convert varchar to uniqueidentifier in SQL Server
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How do you run a single query through mysql from the command line?
...time you want to run it:
mysql < thefile
(with all the login and database flags of course)
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Which regular expression operator means 'Don't' match this character?
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Split array into chunks
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Modified from an answer by dbaseman: https://stackoverflow.com/a/10456344/711085
Object.defineProperty(Array.prototype, 'chunk_inefficient', {
value: function(chunkSize) {
var array = this;
return [].concat.apply([],
array.map(f...
Why does “,,,” == Array(4) in Javascript?
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Add hover text without javascript like we hover on a user's reputation
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How to check if field is null or empty in MySQL?
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