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What's the state of the art in email validation for Rails?
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edited Apr 28 '12 at 3:02
Luke Francl
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how to make svn diff show only non-whitespace line changes between two revisions
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You can use
svn diff -r 100:200 -x -b > file.diff
If you want to ignore all whitespaces:
svn diff -x -w | less
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How to redirect from OnActionExecuting in Base Controller?
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wompwomp
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Drop a temporary table if it exists
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200
From SQL Server 2016 you can just use
DROP TABLE IF EXISTS ##CLIENTS_KEYWORD
On previous v...
Javascript: best Singleton pattern [duplicate]
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(1) UPDATE 2019: ES7 Version
class Singleton {
static instance;
constructor() {
if (instance) {
return instance;
}
this.instance = this;
}
foo() {
// ...
}
}
console.l...
What to return if Spring MVC controller method doesn't return value?
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256
you can return void, then you have to mark the method with @ResponseStatus(value = HttpStatus...
C++ equivalent of Java's toString?
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edited Feb 3 '11 at 21:54
answered Oct 11 '09 at 5:33
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Read a text file using Node.js?
...and print its contents.
var fs = require('fs')
, filename = process.argv[2];
fs.readFile(filename, 'utf8', function(err, data) {
if (err) throw err;
console.log('OK: ' + filename);
console.log(data)
});
To break that down a little for you process.argv will usually have length two, the zero...
How to empty a redis database?
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edited Oct 20 '14 at 6:45
answered Apr 22 '11 at 13:59
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“Width equals height” constraint in Interface Builder
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edited Oct 6 '15 at 21:09
inorganik
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answ...