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How to install CocoaPods?
...ase share with me. I read cocoa pods documents and many times tried to install but always failed because of the starting steps. I found one error whereby I can't install gems first. Can anyone give me the steps one by one? How to install or demo.
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How can I select random files from a directory in bash?
...are 100% safe regarding files with spaces and funny symbols in their name. All of them will populate an array randf with a list of random files. This array is easily printed with printf '%s\n' "${randf[@]}" if needed.
This one will possibly output the same file several times, and N needs to be kno...
How to make an image center (vertically & horizontally) inside a bigger div [duplicate]
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Personally, I'd place it as the background image within the div, the CSS for that being:
#demo {
background: url(bg_apple_little.gif) no-repeat center center;
height: 200px;
width: 200px;
}
(Assumes a div with id="de...
Groovy Shell warning “Could not open/create prefs root node …”
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Is it possible to do this progmatically?
– facetoe
Oct 15 '13 at 6:20
13
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Auto start node.js server on boot
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This isn't something to configure in node.js at all, this is purely OS responsibility (Windows in your case). The most reliable way to achieve this is through a Windows Service.
There's this super easy module that installs a node script as a windows service, it's called n...
What is the difference between an abstract function and a virtual function?
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An abstract function cannot have functionality. You're basically saying, any child class MUST give their own version of this method, however it's too general to even try to implement in the parent class.
A virtual function, is basically saying look, here's the functionality that may...
Common elements comparison between 2 lists
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+1 but personally I'd used frozenset as it's immutable and so can be used as dictionary key etc
– zebrabox
May 19 '10 at 11:04
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How do I debug Node.js applications?
...er supporting WebSocket. Breakpoints, profiler, livecoding, etc... It is really awesome.
Install it with:
npm install -g node-inspector
Then run:
node-debug app.js
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improve this answer
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How to prevent form from being submitted?
...'t be executed and the form will be submitted either way. You should also call preventDefault to prevent the default form action for Ajax form submissions.
function mySubmitFunction(e) {
e.preventDefault();
someBug();
return false;
}
In this case, even with the bug the form won't submit!
A...
How to restart Jenkins manually?
...e just started working with Jenkins and have run into a problem. After installing several plugins it said it needs to be restarted and went into a "shutting down" mode, but never restarts.
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