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Can I get a list of files marked --assume-unchanged?
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edited Jun 24 '14 at 21:09
Patrick M
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How to extract the first two characters of a string in shell scripting?
...er expansion:
pax> long="USCAGol.blah.blah.blah"
pax> short="${long:0:2}" ; echo "${short}"
US
This will set short to be the first two characters of long. If long is shorter than two characters, short will be identical to it.
This in-shell method is usually better if you're going to be doi...
How to erase the file contents of text file in Python?
...if you have already an opened file:
f = open('file.txt', 'r+')
f.truncate(0) # need '0' when using r+
In C++, you could use something similar.
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Vim: Move cursor to its last position
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DrAlDrAl
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Is it OK to use Gson instance as a static field in a model bean (reuse)?
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edited Apr 30 '12 at 8:58
answered Apr 30 '12 at 8:51
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Can I use __init__.py to define global variables?
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200
You should be able to put them in __init__.py. This is done all the time.
mypackage/__init__....
Instance variables vs. class variables in Python
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answered Apr 26 '10 at 15:16
Alex MartelliAlex Martelli
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Preview an image before it is uploaded
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function readURL(input) {
if (input.files && input.files[0]) {
var reader = new FileReader();
reader.onload = function(e) {
$('#blah').attr('src', e.target.result);
}
reader.readAsDataURL(input.files[0]); // convert to base64 string
}
}
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How can I remove a character from a string using Javascript?
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502
var mystring = "crt/r2002_2";
mystring = mystring.replace('/r','/');
will replace /r with / u...
Limiting the number of records from mysqldump?
... skaffman says, use the --where option:
mysqldump --opt --where="1 limit 1000000" database
Of course, that would give you the first million rows from every table.
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