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GLib compile error (ffi.h), but libffi is installed
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270
If you have a Debian-based Linux OS with apt-get:
sudo apt-get install libffi-dev
With a Redh...
Test whether string is a valid integer
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[[ $var =~ ^-?[0-9]+$ ]]
The ^ indicates the beginning of the input pattern
The - is a literal "-"
The ? means "0 or 1 of the preceding (-)"
The + means "1 or more of the preceding ([0-9])"
The $ indicates the end of the input pattern
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How can I divide two integers to get a double?
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answered Mar 19 '09 at 4:14
NoahDNoahD
7,02244 gold badges2222 silver badges2828 bronze badges
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Android RelativeLayout programmatically Set “centerInParent”
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401
Completely untested, but this should work:
View positiveButton = findViewById(R.id.positiveBut...
Is there any particular difference between intval and casting to int - `(int) X`?
...m which to convert. (int) cannot.
int intval( mixed $var [, int $base = 10 ] )
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How do I apply a perspective transform to a UIView?
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330
As Ben said, you'll need to work with the UIView's layer, using a CATransform3D to perform the l...
Timeout a command in bash without unnecessary delay
...at you are asking for:
http://www.bashcookbook.com/bashinfo/source/bash-4.0/examples/scripts/timeout3
#!/bin/bash
#
# The Bash shell script executes a command with a time-out.
# Upon time-out expiration SIGTERM (15) is sent to the process. If the signal
# is blocked, then the subsequent SIGKILL (9...
How to get the last N rows of a pandas DataFrame?
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408
Don't forget DataFrame.tail! e.g. df1.tail(10)
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Excel VBA - exit for loop
...ExcelHero Done
– nixda
Mar 27 at 15:01
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