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What exactly is Python multiprocessing Module's .join() Method Doing?
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I'm not going to explain in detail what join does, but here's the etymology and the intuition behind it, which should help you remember its meaning more easily.
The idea is that execution "forks" into multiple processes of which one is the master, the ...
How to remove convexity defects in a Sudoku square?
...eally great. I will try to make it in OpenCV. Hope you would help me with details on certain functions and terminology... Thank you.
– Abid Rahman K
Apr 19 '12 at 16:13
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gitignore all files of extension in directory
...oo/*.js
This will ignore all .js files inside only /foo/ directory.
For a detailed learning you can visit: about git-ignore
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Is there a better alternative than this to 'switch on type'?
...l need to work with a different structure. I wrote a blog post awhile back detailing how to build a TypeSwitch structure.
https://docs.microsoft.com/archive/blogs/jaredpar/switching-on-types
Short version: TypeSwitch is designed to prevent redundant casting and give a syntax that is similar to a n...
How to send a “multipart/form-data” with requests in python?
...n, requests have changed. Have a look at the bug thread at Github for more detail and this comment for an example.
In short, the files parameter takes a dict with the key being the name of the form field and the value being either a string or a 2, 3 or 4-length tuple, as described in the section PO...
Use of class definitions inside a method in Java
...class where you never need to instantiate one or know about implementation details anywhere but in one method.
A typical use would be to create a throw-away implementation of some interface. For example you'll often see something like this:
//within some method
taskExecutor.execute( new Runna...
Visual Studio popup: “the operation could not be completed”
...es on demand. This feature causes similar problems as described here. More details can be found here. developercommunity.visualstudio.com/content/problem/134518/…
– Leon Degeling
Apr 12 '18 at 20:53
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Getting error: Peer authentication failed for user “postgres”, when trying to get pgsql working with
...l server, you can access it with your own password
Authentication methods details:
trust - anyone who can connect to the server is authorized to access the database
peer - use client's operating system user name as database user name to access it.
md5 - password-base authentication
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Why compile Python code?
...resent a significant plus, and the architecture is stable so drawback one, detailed below, does not come into play.
Top level compilation
It is useful to know that you can compile a top level python source file into a .pyc file this way:
python -m py_compile myscript.py
This removes comments. I...
Microsecond timing in JavaScript
...an answer to Stack Overflow!Please be sure to answer the question. Provide details and share your research!But avoid …Asking for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips o...