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Checking if sys.argv[x] is defined
...h = sys.argv[1]
else:
blah = 'blah'
Some people prefer the exception-based approach you've suggested (eg, try: blah = sys.argv[1]; except IndexError: blah = 'blah'), but I don't like it as much because it doesn't “scale” nearly as nicely (eg, when you want to accept two or three arguments)...
Sending images using Http Post
...sily. One other way would be to encode the byte stream from the image to a base64 encoded string and decode it server side. But this would be too much of a hassle in my opinion and not the way to go.
– Piro
May 30 '10 at 1:16
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How to template If-Else structures in data-bound views?
I constantly find myself using this idiom in KO-based HTML templates:
4 Answers
4
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Most efficient way to reverse a numpy array
... giant chunk of the running time. What I have right now is the common view-based method:
7 Answers
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Concept behind these four lines of tricky C code
...The number 7709179928849219.0 has the following binary representation as a 64-bit double:
01000011 00111011 01100011 01110101 01010011 00101011 00101011 01000011
+^^^^^^^ ^^^^---- -------- -------- -------- -------- -------- --------
+ shows the position of the sign; ^ of the exponent, and - of t...
How do I parallelize a simple Python loop?
... parallellizing: 27.68999981880188
returned in order given: [0, 4, 16, 36, 64, 100, 144, 196, 256, 324]
Multithreading
Now change ProcessPoolExecutor to ThreadPoolExecutor, and run the module again:
$ python3 -m futuretest
original inputs: [0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0]
total...
MSysGit vs. Git for Windows
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As many answers in this post are old.
As on Nov 2015,
msysGit-based Git for Windows 1.x is now superseded by Git for Windows 2.x.
Git for Windows and git-scm both points to same download location for their binary
Download Location:
https://github.com/git-for-windows/git/releases/down...
Using pip behind a proxy with CNTLM
...or\certifi\cacert.pem. Export your corp's SSL interception certificate in Base64 .cer format, paste the public key into that file, and voilà, full https support behind the corporate proxy.
– Mike Strobel
Dec 4 '18 at 14:31
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HTML5 Number Input - Always show 2 decimal places
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Based on this answer from @Guilherme Ferreira you can trigger the parseFloat method every time the field changes. Therefore the value always shows two decimal places, even if a user changes the value by manual typing a number...
git command to show all (lightweight) tags creation dates
.... For example:
git tag -l --format='%(refname) %(taggerdate)'
Update, based on the comments below:
git tag -l --sort=-creatordate --format='%(creatordate:short): %(refname:short)'
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