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How to sort a dataframe by multiple column(s)
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The ggplot2 microbenchmark function above is now available as taRifx::autoplot.microbenchmark.
– Ari B. Friedman
Jun 1 '12 at 1:23
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What is a segmentation fault?
...nd introducing hard-to-debug memory bugs. Whenever you get a segfault you know you are doing something wrong with memory – accessing variable that has already been freed, writing to a read-only portion of the memory, etc. Segmentation fault is essentially the same in most languages that let you me...
Difference between variable declaration syntaxes in Javascript (including global variables)?
...undefined.
This only applies to the window object, and only (as far as I know) to IE8 and earlier (or IE9-IE11 in the broken "compatibility" mode). Other browsers are fine with deleting window properties, subject to the rules above.
When var happens
The variables defined via the var statement a...
Fastest exit strategy for a Panic Button in Crisis/Abuse Websites? [closed]
... to that page, click the button, visit another page, then hit back, you're now on 54.186.79.95/decoywebsite and there's no record of you being on 54.186.79.95/, if cache is disabled, your server will see the "../decoywebsite" request and send a decoy page. Unfortunately, you can't modify the entire ...
Why em instead of px?
... There is no way to convert between ems and pixels, unless you know what the size of an 'em' is in pixels, in that context. That can depend on the inherited font size of that element, which can in turn depend on the font size of the document as a whole, which can depend on the font size ...
Generate a heatmap in MatPlotLib using a scatter data set
...in plot; so do (AFAIK) all of the plotting libraries for R; still i don't know if this is the generally accepted term for plots of this type, though i suspect it's likely given that hexbin is short for hexagonal binning, which is describes the essential step in preparing the data for display.)
fr...
What does |= (ior) do in Python?
...search |= so I'm having trouble finding relevant documentation. Anybody know?
8 Answers
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How dangerous is it to compare floating point values?
I know UIKit uses CGFloat because of the resolution independent coordinate system.
11 Answers
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Removing first x characters from string?
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@jamylak does it work, now , if so do you need to downvote?
– U10-Forward
Jan 29 at 1:36
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ImportError: No module named dateutil.parser
... I don't think this is accurate. It's a third party lib which has now been ported to python3, but install is still pip3 install python-dateutil for python 3 users
– beetree
Feb 16 at 11:07
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