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What is an invariant?
...ion. That is, if your loop was supposed to process a collection of objects from one stack to another, you could say that |stack1|+|stack2|=c, at the top or bottom of the loop.
If the invariant check failed, it would indicate something went wrong. In this example, it could mean that you forgot to pu...
How to check type of files without extensions in python?
...agic and use it as follows:
>>> import magic
>>> magic.from_file('iceland.jpg')
'JPEG image data, JFIF standard 1.01'
>>> magic.from_file('iceland.jpg', mime=True)
'image/jpeg'
>>> magic.from_file('greenland.png')
'PNG image data, 600 x 1000, 8-bit colormap, n...
CSS/HTML: What is the correct way to make text italic?
...sn't a generic "italics" element. Sometimes, text is intended to stand out from the rest of the paragraph, as if it was in a different mood or voice. For this, the i element is more appropriate.
– Dimitris Zorbas
Dec 7 '15 at 11:31
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How do I get a value of datetime.today() in Python that is “timezone aware”?
I am trying to subtract one date value from the value of datetime.today() to calculate how long ago something was. But it complains:
...
Coroutine vs Continuation vs Generator
...hen suspend their execution. When they're called again, they will start up from where they last suspended execution and do their thing again.
A generator is essentially a cut down (asymmetric) coroutine. The difference between a coroutine and generator is that a coroutine can accept arguments after...
List all developers on a project in Git
...summary --numbered --email
Or simply:
git shortlog -sne
To show users from all branches (not only the ones in the current branch) you have to add --all flag:
git shortlog -sne --all
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Executing a command stored in a variable from PowerShell
...med on my own system that 7z.exe gave the error you described, just typing from the command prompt, but with the full path to 7z.exe (for me, it was 'C:\Program Files\7-zip\7z.exe', I could execute 7z.exe.
– kbrimington
Aug 29 '10 at 0:04
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How to calculate the time interval between two time strings
...fically, the strptime function, which parses a string into a time object.
from datetime import datetime
s1 = '10:33:26'
s2 = '11:15:49' # for example
FMT = '%H:%M:%S'
tdelta = datetime.strptime(s2, FMT) - datetime.strptime(s1, FMT)
That gets you a timedelta object that contains the difference bet...
How to do a GitHub pull request
...ranch: isolate your modifications in a branch. Don't create a pull request from master, where you could be tempted to accumulate and mix several modifications at once.
rebase that branch: even if you already did a pull request from that branch, rebasing it on top of origin/master (making sure your p...
How to install latest version of git on CentOS 7.x/6.x
...talled:
git --version
As of 02 Mar. 2020, the latest available version from WANDisco is 2.22.0.
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