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Non-alphanumeric list order from os.listdir()
...fault order of the lists has changed to something almost nonsensical. For example, if I am in a current directory containing the following subdirectories: run01, run02, ... run19, run20, and then I generate a list from the following command:
...
Which characters make a URL invalid?
...) may contain any of the following 84 characters:
ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~:/?#[]@!$&'()*+,;=
Note that this list doesn't state where in the URI these characters may occur.
Any other character needs to be encoded with the percent-encoding (%hh). Each...
Get position of UIView in respect to its superview's superview
...
Frame: (X,Y,width,height).
Hence width and height wont change even wrt the super-super view. You can easily get the X, Y as following.
X = button.frame.origin.x + [button superview].frame.origin.x;
Y = button.frame.origin.y + [but...
Tools for analyzing performance of a Haskell program
... which part of my haskell-program is slow?
Precisely! GHC provides many excellent tools, including:
runtime statistics
time profiling
heap profiling
thread analysis
core analysis.
comparative benchmarking
GC tuning
A tutorial on using time and space profiling is part of Real World Haskell.
GC...
AngularJS - Any way for $http.post to send request parameters instead of JSON?
I have some old code that is making an AJAX POST request through jQuery's post method and looks something like this:
13 A...
Refused to display in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'
...frame width='1080' height='760' src="https://www.youtube.com/embed/dQw4w9WgXcQ" frameborder="0" allowfullscreen></iframe>
– backwardm
Aug 5 '15 at 20:28
2
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What is lexical scope?
What is a brief introduction to lexical scoping?
18 Answers
18
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Is there a Python equivalent of the C# null-coalescing operator?
...or operator works. It is a boolean operator, so it works in a boolean context. If the values are not boolean, they are converted to boolean for the purposes of the operator.
Note that the or operator does not return only True or False. Instead, it returns the first operand if the first operand eval...
Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)
...ssible to run multiple Chrome versions
side-by-side.
Although Sandboxie can be used, it's
recommended to use the next native method in order to run multiple
versions side-by-side.
Download the desired version(s) from File Hippo.
Create a main directory, e.g. C:\Chrome\.
Extrac...
Finding local IP addresses using Python's stdlib
How can I find local IP addresses (i.e. 192.168.x.x or 10.0.x.x) in Python platform independently and using only the standard library?
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