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Safe (bounds-checked) array lookup in Swift, through optional bindings?
...sure have a real value on each iteration of a loop.
I think the reason it doesn't work this way is a design choice made by the Swift developers. Take your example:
var fruits: [String] = ["Apple", "Banana", "Coconut"]
var str: String = "I ate a \( fruits[0] )"
If you already know the index exist...
How can I extract audio from video with ffmpeg?
...f the audio may be shorter than the length of the video. To make sure this doesn't happen, extract both audio AND video with the same call to ffmpeg, e.g. "ffmpeg -i vid.avi -map 0:a audio.wav -map 0:v onlyvideo.avi
– BlenderBender
Aug 11 '17 at 14:01
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Intellij reformat on file save
... code" would do only a subset of the things that "Code > Reformat code" does (at least for Scala code). Why is that?
– Thilo
Aug 24 '16 at 0:02
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How do I specify the exit code of a console application in .NET?
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For those of you who wonder why this does not work in their case, make sure your project is compiled as a "Console application" and not as a "Windows application".
– Marcel Gosselin
Apr 7 '12 at 4:11
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How to create empty text file from a batch file?
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This echoes a newline to stdout, though... my answer doesn't.
– ephemient
Oct 17 '08 at 4:08
7
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'const int' vs. 'int const' as function parameters in C++ and C
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C does have const, given: static const char foo[] = "foo"; you better not alter foo.
– James Antill
Oct 2 '08 at 14:21
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jQuery get mouse position within an element
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Does this answer take into account padding/borders?
– LeeGee
Jun 20 '13 at 10:03
10
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Can scripts be inserted with innerHTML?
...ort, and adding a <script> tag with innerHTML might be short, but it doesn't work. It's all just plain text until it gets run through eval(). And sadly, eval() doesn't parse HTML tags, so you end up with a chain of problems.
– zombat
Jul 29 '09 at 1:46
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Python vs Cpython
...hich rightly should blow your mind. :-)
Actually compiling to C
So CPython does not translate your Python code to C by itself. Instead, it runs an interpreter loop. There is a project that does translate Python-ish code to C, and that is called Cython. Cython adds a few extensions to the Python lang...
Reading CSV file and storing values into an array
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Does not handle field values with commas, etc.
– Mike
Aug 26 '14 at 18:39
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