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Understanding the main method of python [duplicate]
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Python does not have a defined entry point like Java, C, C++, etc. Rather it simply executes a source file line-by-line. The if statement allows you to create a main function which will be executed if your file is loaded as the "Main" module rather than as a library in another module.
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How can I explicitly free memory in Python?
...d for that, del is equally effective with exits-from-scope, reassignments, etc.
– Charles Duffy
Nov 20 '18 at 13:14
How can I run dos2unix on an entire directory? [closed]
...les | xargs dos2unix
Keep in mind that certain files (e.g. *.sln, *.bat) etc are only used on Windows operating systems and should keep the CRLF ending:
git ls-files '*.sln' '*.bat' | xargs unix2dos
If necessary, use .gitattributes
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How do I get a div to float to the bottom of its container?
... publishing it is quite common to layout an inset (picture, table, figure, etc.) so that its bottom lines up with the bottom of the last line of text of a block (or page) with text flowing around the inset in a natural manner above and to the right or left depending on which side of the page the ins...
Why would anyone use set instead of unordered_set?
... sensitive systems may also not allow for O(n) lookup, air traffic control etc. Though in general you're right, use the hash maps by default and only switch the tree version when you've got a real need.
– deft_code
Sep 2 '09 at 19:44
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Return a value from AsyncTask in Android [duplicate]
...syncTask shouldn't really be thought of as a utility function that simply fetches and returns some information but rather something much larger that fetches info and also manipulates the UI (or whatever) after fetching that info?
– Jake Wilson
Mar 29 '12 at 2:5...
Go to particular revision
...ckout master~543 (if there are 543 commits), then git checkout master~542, etc.
– Marcelo Cantos
Sep 25 '11 at 9:27
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What is the difference between Android margin start/end and right/left?
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@Liggliluff bugs, typos, etc :) After API 17 start/end take precedence and there's a LINT warning if you still use the old ones. They are ignored, I tried.
– Martin Marconcini
Feb 6 '17 at 23:12
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Using 'return' in a Ruby block
...sers to use return in their procs without consequences, self is preserved, etc.
The advantage of using Thread here is that in some cases you won't get the LocalJumpError - and the return will happen in the most unexpected place (onside a top-level method, unexpectedly skipping the rest of it's body...
How do you attach and detach from Docker's process?
...fig.json file or --detach-keys "ctrl-a,a" on the command line with attach etc.
– Matthew Hannigan
Jan 1 '18 at 2:31
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