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What do the return values of node.js process.memoryUsage() stand for?

... Scheme first. A running program is always represented through some space allocated in memory. This space is called Resident Set. V8 uses a scheme similar to the Java Virtual Machine and divides the memory into segments: Code: the actual code being executed Stack: contains all value types (prim...
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How update the _id of one MongoDB Document?

I want update an _id field of one document. I know it's not a really good pratice. But with some technical reason, I need update it. If I try to update it I get: ...
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What exactly is Python's file.flush() doing?

... There's typically two levels of buffering involved: Internal buffers Operating system buffers The internal buffers are buffers created by the runtime/library/language that you're programming against and is meant to speed things up by ...
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What is the difference between pip and conda?

...now pip is a package manager for python packages. However, I saw the installation on IPython's website use conda to install IPython. ...
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jQuery get specific option tag text

All right, say I have this: 21 Answers 21 ...
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How to find a hash key containing a matching value

...ge", {"client_id"=>"2180"}]] Note that the result will be an array of all the matching values, where each is an array of the key and value. share | improve this answer | ...
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How to center an iframe horizontally?

... HTML: <div id="all"> <div class="sub">div</div> <iframe>ss</iframe> </div> CSS: #all{ width:100%; float:left; text-align:center; } div.sub, iframe { width: 100px; height: 50px;...
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Android: failed to convert @drawable/picture into a drawable

In my drawable folder I have a few images and they all reference perfect, but when I try and add any more images with the exact same size in the same folder, and try to reference it, is flags up an error "Failed to convert @drawable/picture into a drawable" . I have tried the same image with a diff...
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How to sort an array based on the length of each element?

... Just to add an information. This snippet won't work for all the cases. – Arunkumar Srisailapathi Apr 10 '16 at 12:42 ...
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Format date to MM/dd/yyyy in JavaScript [duplicate]

... that's not actually MM/dd/yyyy. That's M/d/yyyy. Does your date need leading zeros? – Ray Wadkins Sep 25 '13 at 21:25 ...