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String comparison in bash. [[: not found

...ry: $ bash myscript or, if the script is executable: $ ./myscript sh and bash are two different shells. While in the first case you are passing your script as an argument to the sh interpreter, in the second case you decide on the very first line which interpreter will be used. ...
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Windows batch: sleep [duplicate]

... Haha, so simple and yet so genius :-) Exactly what I was looking for. +1 – Simon Apr 13 '12 at 21:19 ...
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Delete a key from a MongoDB document using Mongoose

... can do: User.update({_id: user._id}, {$unset: {field: 1 }}, callback); And since version 2.4, if you have an instance of a model already you can do: doc.field = undefined; doc.save(callback); share | ...
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How to run code when a class is subclassed? [duplicate]

...bases, clsdict) where in this case, name equals the string 'Superclass', and bases is the tuple (object, ). The clsdict is a dictionary of the class attributes defined in the body of the class definition. Note the similarity to myclass = type(name, bases, clsdict). So, just as you would use a cl...
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Bootstrap: How do I identify the Bootstrap version?

... License v2.0 * http://www.apache.org/licenses/LICENSE-2.0 * * Designed and built with all the love in the world @twitter by @mdo and @fat. */ If they are not there, then they have probably been deleted. VERSIONS: You can review version history here. Backward compatibility shouldn't be broke...
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Write to file, but overwrite it if it exists

...nd of the specified file, where-as the single greater than > will empty and overwrite the file. echo "text" > 'Users/Name/Desktop/TheAccount.txt' share | improve this answer | ...
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How can I fix WebStorm warning “Unresolved function or method” for “require” (Firefox Add-on SDK)

...project or enable Node.js Globals predefined library in Settings/Languages and Frameworks/JavaScript/Libraries. (Edited settings path by @yurik) In WebStorm 2016.x-2017.x: make sure that the Node.js Core library is enabled in Settings (Preferences) | Languages & Frameworks | Node.js and NPM I...
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jQuery get input value after keypress

...same as input:text[name=dSuggest] you can simplify this code considerably (and if it isn't, having an element with a name that is the same as the id of another element is not a good idea). $('#dSuggest').keypress(function() { var dInput = this.value; console.log(dInput); $(".dDimension:...
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C++ cout hex values?

...o control the exact formatting of the output number, such as leading zeros and upper/lower case. share | improve this answer | follow | ...
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PostgreSQL error 'Could not connect to server: No such file or directory'

...n your postgres directory, probably /usr/local/var/postgres/ remove this and start server. Check - https://github.com/mperham/lunchy is a great wrapper for launchctl. share | improve this answer ...