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What's the most efficient way to erase duplicates and sort a vector?

...to take a C++ vector with potentially a lot of elements, erase duplicates, and sort it. 23 Answers ...
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Why does this CSS margin-top style not work?

... form a single margin. Margins that combine this way are said to collapse, and the resulting combined margin is called a collapsed margin. Adjoining vertical margins collapse [...] Two margins are adjoining if and only if: both belong to in-flow block-level boxes that participate...
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How to quickly and conveniently disable all console.log statements in my code?

...e.log = function() {} That's it, no more messages to console. EDIT: Expanding on Cide's idea. A custom logger which you can use to toggle logging on/off from your code. From my Firefox console: var logger = function() { var oldConsoleLog = null; var pub = {}; pub.enableLogger = ...
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How can one print a size_t variable portably using the printf family?

I have a variable of type size_t , and I want to print it using printf() . What format specifier do I use to print it portably? ...
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How to get the process ID to kill a nohup process?

... When using nohup and you put the task in the background, the background operator (&) will give you the PID at the command prompt. If your plan is to manually manage the process, you can save that PID and use it later to kill the process i...
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Get image data url in JavaScript?

... the same domain as the page, or has the crossOrigin="anonymous" attribute and the server supports CORS. It's also not going to give you the original file, but a re-encoded version. If you need the result to be identical to the original, see Kaiido's answer. You will need to create a canvas eleme...
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Is there a reason that Swift array assignment is inconsistent (neither a reference nor a deep copy)?

I'm reading the documentation and I am constantly shaking my head at some of the design decisions of the language. But the thing that really got me puzzled is how arrays are handled. ...
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Xcode 4 and Core Data: How to enable SQL Debugging

I'm working on a universal iOS app and I'd like to see the raw SQL in the logs when I'm debugging. There is some info in this blog post about how to enable raw SQL logging for iOS Core Data development. The given example is for Xcode 3 and it's just not clear to me how to enable this in Xcode 4. ...
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How do I execute a stored procedure once for each row returned by query?

...stored procedure that alters user data in a certain way. I pass it user_id and it does it's thing. I want to run a query on a table and then for each user_id I find run the stored procedure once on that user_id ...
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Why does Chrome incorrectly determine page is in a different language and offer to translate?

...we navigate to this particular page, Chrome tells us the page is in Danish and offers to translate. The page is in English, just like every other page in our app. This particular page is an internal testing page that has a few dozen form fields with English labels. I have no idea why Chrome think...