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Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
...ce >&2
fi
chmod +x ~/bin/silence # make the script executable
Now, next time you forget to redirect firefox, for example, and your terminal starts getting cluttered with the inevitable "(firefox-bin:5117): Gdk-WARNING **: XID collision, trouble ahead" messages:
ps # look for process ...
Python: Making a beep noise
...: winsound.Beep(2000, 100). I should probably go back to work now :D
– Skurmedel
Jun 30 '11 at 16:00
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Android adb “Unable to open sync connection!”
...gt; Applications > Development > USB debugging
And everything works now on Eclipse and Mac OS X 10.7.3.
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Database, Table and Column Naming Conventions? [closed]
...ink how many c# developers hated the "var" keyword when it was introduced, now its the widely accepted way to define variables.
– Jason
Apr 10 '12 at 16:39
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Find which version of package is installed with pip
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Pip 1.3 now also has a list command:
$ pip list
argparse (1.2.1)
pip (1.5.1)
setuptools (2.1)
wsgiref (0.1.2)
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Random row selection in Pandas dataframe
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With pandas version 0.16.1 and up, there is now a DataFrame.sample method built-in:
import pandas
df = pandas.DataFrame(pandas.np.random.random(100))
# Randomly sample 70% of your dataframe
df_percent = df.sample(frac=0.7)
# Randomly sample 7 elements from your dat...
HTML Input=“file” Accept Attribute File Type (CSV)
...his attribute is very old and not accepted in modern browsers as far as I know, But here is an alternative to it, Try this
<script type="text/javascript" language="javascript">
function checkfile(sender) {
var validExts = new Array(".xlsx", ".xls", ".csv");
var fileExt = sender.value;...
Javascript Equivalent to PHP Explode()
...vascript, you'll get: '1.2.3.4'.split('.',3) === ['1', '2', '3']. Anyone know how to easily replicate PHP's method?
– Nathan J.B.
Jan 24 '13 at 4:02
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Underscore: sortBy() based on multiple attributes
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@ac_fire Here is an archive of that now dead link: archive.is/tiatQ
– lustig
Jan 10 '19 at 19:07
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Prevent redirection of Xmlhttprequest
...aware that the requests made via this API are not cancelable yet. They are now.
As for XMLHttpRequest, you can HEAD the server and inspect whether the URL has changed:
var http = new XMLHttpRequest();
http.open('HEAD', '/the/url');
http.onreadystatechange = function() {
if (this.readyState ===...