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MySQL Conditional Insert

I am having a difficult time forming a conditional INSERT 13 Answers 13 ...
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Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?

This is a question that came to mind while reading the brilliant answer by Mysticial to the question: why is it faster to process a sorted array than an unsorted array ? ...
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Change bootstrap navbar collapse breakpoint without using LESS

...w 1000px the navbar changes to collapsed mode. I want to do this without using LESS, I am using stylus not LESS. 19 Answer...
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Queue.Queue vs. collections.deque

I need a queue which multiple threads can put stuff into, and multiple threads may read from. 7 Answers ...
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Site does not exist error for a2ensite

I have cmsplus.dev under /etc/apache2/sites-available with the following code, 10 Answers ...
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Is the practice of returning a C++ reference variable evil?

This is a little subjective I think; I'm not sure if the opinion will be unanimous (I've seen a lot of code snippets where references are returned). ...
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Find nearest value in numpy array

Is there a numpy-thonic way, e.g. function, to find the nearest value in an array? 16 Answers ...
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Cleanest way to toggle a boolean variable in Java?

Is there a better way to negate a boolean in Java than a simple if-else? 9 Answers 9 ...
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Font-awesome, input type 'submit'

There seems to be no class for input type 'submit' in font-awesome. Is it possible to use some class from font-awesome for button input? I've added icons to all buttons (which actually links with class 'btn' from twitter-bootstrap) in my applications, but can't add icons on 'input type submit'. ...
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Java rounding up to an int using Math.ceil

... You are doing 157/32 which is dividing two integers with each other, which always result in a rounded down integer. Therefore the (int) Math.ceil(...) isn't doing anything. There are three possible solutions to achieve what you want. I...