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How to store a command in a variable in a shell script?
... that variable can be set by someone with less privileges. (Iterating over all subdirectories in /tmp, for instance? You'd better trust every single user on the system to not make one called $'/tmp/evil-$(rm -rf $HOME)\'$(rm -rf $HOME)\'/').
– Charles Duffy
Jun...
How to get hex color value rather than RGB value?
...er inefficiencies. If you're going to declare hexDigits on every function call, at least do it in rgb2hex's function body (not hex's body), so the array is not redefined 3 times per 1 call to rgb2hex. Also learn to use 'var', so you don't pollute the global scope.
– Matt
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How to get distinct values for non-key column fields in Laravel?
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Question specifically asks Note that I am not fetching that column only, it is in conjunction with other column values
– Hirnhamster
Oct 23 '15 at 11:20
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How to read a text file into a list or an array with Python
I am trying to read the lines of a text file into a list or array in python. I just need to be able to individually access any item in the list or array after it is created.
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Why do you have to link the math library in C?
...es libm, so if you compile a C++ program with GCC (g++), you will automatically get libm linked in.
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How to escape JSON string?
...r deserializing - rater it is used when you want to create a JSON text manually and you have a C# string and need to gets its proper representation as a text.
– Dror Harari
Dec 30 '14 at 22:50
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How to write a bash script that takes optional input arguments?
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You could use the default-value syntax:
somecommand ${1:-foo}
The above will, as described in Bash Reference Manual - 3.5.3 Shell Parameter Expansion [emphasis mine]:
If parameter is unset or null, the expansion of word is substituted. Ot...
When should I use h:outputLink instead of h:commandLink?
When should I use an <h:outputLink> instead of an <h:commandLink> ?
2 Answers
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How to convert CSV file to multiline JSON?
Here's my code, really simple stuff...
10 Answers
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How to change the Text color of Menu item in Android?
... I am still completely unable to change the text color. My overall theme textcolor just takes preference. Any help? None of these answers work.
– David P
Jun 21 '17 at 7:26
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