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A Regex that will never be matched by anything
This might sound like a stupid question, but I had a long talk with some of my fellow developers and it sounded like a fun thing to think of.
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How to pass all arguments passed to my bash script to a function of mine? [duplicate]
...variable expands to all command-line parameters separated by spaces. Here is an example.
abc "$@"
When using $@, you should (almost) always put it in double-quotes to avoid misparsing of arguments containing spaces or wildcards (see below). This works for multiple arguments. It is also portable t...
What does $@ mean in a shell script?
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$@ is all of the parameters passed to the script.
For instance, if you call ./someScript.sh foo bar then $@ will be equal to foo bar.
If you do:
./someScript.sh foo bar
and then inside someScript.sh reference:
umbrella_co...
Is there a benefit to defining a class inside another class in Python?
...loadManager class and a DownloadThread class. The obvious OOP concept here is composition. However, composition doesn't necessarily mean nesting, right?
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Is there a reason that we cannot iterate on “reverse Range” in ruby?
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A range is just that: something defined by its start and end, not by its contents. "Iterating" over a range doesn't really make sense in a general case. Consider, for example, how you would "iterate" over the range produced by two da...
How to define hash tables in Bash?
What is the equivalent of Python dictionaries but in Bash (should work across OS X and Linux).
15 Answers
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How to fix the flickering in User controls
... my controls gets flicker. it takes 1 or 2 sec to update. I tried to set this
12 Answers
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How can I reset or revert a file to a specific revision?
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Assuming the hash of the commit you want is c5f567:
git checkout c5f567 -- file1/to/restore file2/to/restore
The git checkout man page gives more information.
If you want to revert to the commit before c5f567, append ~1 (where 1 is the number of commits you want...
What is the difference between conversion specifiers %i and %d in formatted IO functions (*printf /
What is the difference between %d and %i when used as format specifiers in printf ?
4 Answers
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Easy way to turn JavaScript array into comma-separated list?
...ray of strings in JavaScript that I'd like to turn into a comma-separated list. Is there a simple way in garden-variety JavaScript (or jQuery) to turn that into a comma-separated list? (I know how to iterate through the array and build the string myself by concatenation if that's the only way.)
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