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How to sort a file, based on its numerical values for a field?
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Andrew WhiteAndrew White
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How to determine whether a given Linux is 32 bit or 64 bit?
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Try uname -m. Which is short of uname --machine and it outputs:
x86_64 ==> 64-bit kernel
i686 ==> 32-bit kernel
Otherwise, not for the Linux kernel, but for the CPU, you type:
cat /proc/cpuinfo
or:
grep flags /proc/cpuinfo
Under "flags" parameter, you will see various values:...
Regex using javascript to return just numbers
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Regular expressions:
var numberPattern = /\d+/g;
'something102asdfkj1948948'.match( numberPattern )
This would return an Array with two elements inside, '102' and '1948948'. Operate as you wish. If it doesn't match any it will return null.
To concatenate them:
'something102asdfkj1948948'.ma...
Where is virtualenvwrapper.sh after pip install?
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24 Answers
24
Active
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How to check whether a file is empty or not?
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edited Dec 7 '14 at 21:22
Achal Dave
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a...
Square retrofit server mock for testing
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104
Mock Retrofit 2.0 Requests for Testing
As the old mechanisms like creating MockClient class and...
How to make EditText not editable through XML in Android?
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404
Use this simple code:
textView.setKeyListener(null);
It works.
Edit : To add KeyListener l...
How to do a logical OR operation in shell scripting
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edited Apr 26 '18 at 10:40
JohannesM
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answered Nov 6 '10 at 2:03
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Remove empty lines in text using Visual Studio
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edited Mar 1 '17 at 10:41
Oliver
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answered Dec...
C: What is the difference between ++i and i++?
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1142
++i will increment the value of i, and then return the incremented value.
i = 1;
j = ++i;
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