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Reducing MongoDB database file size
...press, however, you do have some options if you have another computer with more space.
Export the database to another computer with Mongo installed (using mongoexport) and then you can Import that same database (using mongoimport). This will result in a new database that is more compressed. Now yo...
Disabling implicit animations in -[CALayer setNeedsDisplayInRect:]
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Learning Ruby on Rails
As it stands now, I'm a Java and C# developer. The more and more I look at Ruby on Rails, the more I really want to learn it.
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Open Source Alternatives to Reflector? [closed]
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Python's many ways of string formatting — are the older ones (going to be) deprecated?
... edited to contain this phrase:
As the new string-formatting syntax is more flexible and handles tuples and dictionaries naturally, it is recommended for new code. However, there are no current plans to deprecate printf-style formatting.
(Emphasis mine.)
This phrase was removed later, in comm...
Using jQuery to replace one tag with another
...L children, appending the children instead of serializing them feels to be more correct:
$('code').replaceWith(function(){
return $("<pre />").append($(this).contents());
});
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When to use window.opener / window.parent / window.top
...t;
window.top refers to the top-most window from a window nested in one or more layers of <iframe> sub-windows
Those will be null (or maybe undefined) when they're not relevant to the referring window's situation. ("Referring window" means the window in whose context the JavaScript code is ...
Which is more efficient: Multiple MySQL tables or one large table?
...s to different people for different part of the data collection, it may be more convenient to split them. (Of course, you can look at defining views and giving authorization on them appropriately).
(c) For moving data to different places, especially during development, it may make sense to use tab...
What's the yield keyword in JavaScript?
...ink everyone can read that on MDN. Visit davidwalsh.name/promises to learn more about them.
– Ejaz Karim
Jul 22 '17 at 11:02
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How can I unit test Arduino code?
...to tell you anything about the quality of your own work. Hence, it is far more valuable and efficient to write unit tests that do not run on the target device (or emulator).
Frequent testing on your target hardware has a painfully slow cycle:
Tweak your code
Compile and upload to Arduino device
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