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Efficiency of premature return in a function
... situation I encounter frequently as an inexperienced programmer and am wondering about particularly for an ambitious, speed-intensive project of mine I'm trying to optimize. For the major C-like languages (C, objC, C++, Java, C#, etc) and their usual compilers, will these two functions run just as...
Why does base64 encoding require padding if the input length is not divisible by 3?
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PHP: Convert any string to UTF-8 without knowing the original character set, or at least try
I have an application that deals with clients from all over the world, and, naturally, I want everything going into my databases to be UTF-8 encoded.
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Any reason why scala does not explicitly support dependent types?
There are path dependent types and I think it is possible to express almost all the features of such languages as Epigram or Agda in Scala, but I'm wondering why Scala does not support this more explicitly like it does very nicely in other areas (say, DSLs) ?
Anything I'm missing like "it is not n...
When to use MongoDB or other document oriented database systems? [closed]
We offer a platform for video- and audio-clips, photos and vector-grafics. We started with MySQL as the database backend and recently included MongoDB for storing all meta-information of the files, because MongoDB better fits the requirements. For example: photos may have Exif information, video...
How do I copy to the clipboard in JavaScript?
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It's trivial to change the "prompt" function to a custom modal, the meat of the trick is to use an editable content field and pre-select th...
Is there a “previous sibling” selector?
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YouTube iframe API: how do I control an iframe player that's already in the HTML?
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