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How can I add a help method to a shell script?
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@sigur, make sure you quote "$usage" every place you use it.
– glenn jackman
Dec 24 '16 at 15:10
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How do you manage your gists on GitHub? [closed]
...ot:
There's also a demo video at: http://www.youtube.com/watch?v=VLgyY6lqpsQ
GistBox Clipper (a Chrome extension) also provides the ability to save <pre> tags and arbitrary text on any web page.
Edit:
Unfortunately, GistBox is becoming Cacher cacher.io - the free plan will only incl...
Rotating videos with FFmpeg
...opy the audio without touching it, by using -c:a copy. To change the video quality, set the bitrate (for example with -b:v 1M) or have a look at the H.264 encoding guide if you want VBR options.
A solution is also to use this convenience script.
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Making git auto-commit
...e following command commits file.txt as soon as it is saved:
inotifywait -q -m -e CLOSE_WRITE --format="git commit -m 'autocommit on change' %w" file.txt | sh
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Checking a Python module version at runtime
...to suggest that you don't check at run time (don't know if that's a hard requirement or not). For the python stuff I write that has external dependencies (3rd party libraries), I write a script that users can run to check their python install to see if the appropriate versions of modules are instal...
How do I disable form fields using CSS?
... disable feature so this is not complete solution.
– QMaster
Aug 17 '16 at 12:38
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What's the correct way to convert bytes to a hex string in Python 3?
...ht but something that was argued over: bugs.python.org/issue3532#msg70950. Q: Would it hurt to have the tohex method of the bytes object to perform this task as well? A: IMO, yes, it would. It complicates the code, and draws the focus away from the proper approach to data conversion (namely, functio...
do { … } while (0) — what is it good for? [duplicate]
...#define FOO(x) { foo(x); bar(x); }
Using this in an if statement would require that you omit the semicolon, which is counterintuitive:
if (condition)
FOO(x)
else
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If you define FOO like this:
#define FOO(x) do { foo(x); bar(x); } while (0)
then the following is syntactically corre...
Building a complete online payment gateway like Paypal [closed]
So this question isn't about integrating an existing payment gateway into my site. This is more of a architectural question.
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Can an Android NFC phone act as an NFC tag?
...one will act as an NFC reader which will read data from an NFC tag. Now my question is, can we switch this around? Can we make an Android NFC phone behave as the tag which an NFC reader will get data from?
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