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Get original URL referer with PHP?
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137
Store it either in a cookie (if it's acceptable for your situation), or in a session variable....
Why is isNaN(null) == false in JS?
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114
I believe the code is trying to ask, "is x numeric?" with the specific case here of x = null. ...
Is there a command for formatting HTML in the Atom editor?
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edited Nov 7 '18 at 3:01
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read complete file without using loop in java
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130
If the file is small, you can read the whole data once:
File file = new File("a.txt");
FileIn...
Is there a good reason to use upper case for SQL keywords? [closed]
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17 Answers
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check if directory exists and delete in one command unix
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151
Assuming $WORKING_DIR is set to the directory... this one-liner should do it:
if [ -d "$WORKI...
Print array elements on separate lines in Bash?
...arate argument, while "$*"
expands to the args merged into one argument: "$1c$2c..." (where c is
the first char of IFS).
You almost always want "$@". Same goes for "${arr[@]}".
Always quote them!
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How do I apply a style to all buttons of an Android application
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Unpack a list in Python?
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edited Sep 10 '19 at 14:24
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Go install fails with error: no install location for directory xxx outside GOPATH
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13 Answers
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