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What does the “===” operator do in Ruby? [duplicate]
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Just like with every other method in Ruby (or actually pretty much any object-oriented language),
a === b
means whatever the author of a's class wants it to mean.
However, if you don't want to confuse the heck out of your colleagues, the convention is that === is the cas...
Cross compile Go on OSX?
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The env command runs only that call in a custom environment and 'resets' it after it is done. For example run export GOOS=windows, then the command with or without the env and echo $GOOS afterwards. With the env the GOOS was not changed.
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Secure random token in Node.js
...Alphabet
– Yves M.
Jul 10 '15 at 14:32
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show 6 more comme...
Passing a string with spaces as a function argument in bash
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This works very well for me also. If we are calling another function inside myFunction then pass arguments with quotes. Cheers :)
– minhas23
May 8 '14 at 11:04
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Calling a function within a Class method?
...c function newTest(){
$this->bigTest();
$this->smallTest();
}
private function bigTest(){
//Big Test Here
}
private function smallTest(){
//Small Test Here
}
public function scoreTest(){
//Scoring code here;
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Error 1022 - Can't write; duplicate key in table
...ou can not have the same foreign key names in the database tables.
Check all your tables and all your foreign keys and avoid having two foreign keys with the same exact name.
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In Markdown, what is the best way to link to a fragment of a page, i.e. #some_id?
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+1, thanks. It's sad it doesn't do this automatically. Very wet IMHO.
– Marc-André Lafortune
Feb 26 '13 at 20:31
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Disable cache for some images
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Please note: You do not actually prevent the browser from caching the image, you only prevent looking at the cached image. Applying proper headers to your image is the best way imho (see the solution of lhunath below). Since this way you also fill the c...
Cannot import the keyfile 'blah.pfx' - error 'The keyfile may be password protected'
We just upgraded our Visual Studio 2008 projects to Visual Studio 2010. All of our assemblies were strong signed using a Verisign code signing certificate. Since the upgrade we continuously get the following error:
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How should I pass multiple parameters to an ASP.Net Web API GET?
...erform some action, then return a list of objects as the results. Specifically I am passing in two dates and returning records that fall between them. I'm also keeping track of the records returned so that subsequent calls do not get reprocessed in the system.
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