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PostgreSQL - how to quickly drop a user with existing privileges
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Addition:
Apparently, trying to drop a user by using the commands mentioned here will only work if you are executing them while being connected to the same database that the original GRANTS were made from, as discussed here:
https://www.postgresql.org/message-id/83894A1821034948BA27FE4DAA474279...
String concatenation: concat() vs “+” operator
... two object allocations (the result String and its backing char[], neither one redundant), and any number of strings with three allocations (the String[], the result String, and the backing char[], with only the first being redundant). As it is, using StringBuilder will at best require four allocati...
Pull new updates from original GitHub repository into forked GitHub repository
I forked someone's repository on GitHub and would like to update my version with commits and updates made in the original repository. These were made after I forked my copy.
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How to compile python script to binary executable
...staller also lets you create executables for linux and mac...
Here is how one could fairly easily use PyInstaller to solve the issue at hand:
pyinstaller oldlogs.py
From the tool's documentation:
PyInstaller analyzes myscript.py and:
Writes myscript.spec in the same folder as the s...
A Regex that will never be matched by anything
... quite as elegant, but the more ideas you get the likelier you are to find one working across all RE engines of interest): r'a\bc', looking for a word-boundary immediately surrounded by letters on both sides (variant: nonword characters on both sides).
– Alex Martelli
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When to use an interface instead of an abstract class and vice versa?
... Duncan Malashock, not really. Jorge's answer is the better one. Alex's answer focuses on mechanics, while Jorge's more on semantics.
– Nazar Merza
Mar 18 '16 at 16:07
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“open/close” SqlConnection or keep open?
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Always close connections as soon as you are done with them, so they underlying database connection can go back into the pool and be available for other callers. Connection pooling is pretty well optimised, so there's no noticeable penalty for doing so. The advice is b...
How can I set up an editor to work with Git on Windows?
...DiffMerge, and WinMerge)
lightfire228 adds in the comments:
For anyone having an issue where N++ just opens a blank file, and git doesn't take your commit message, see "Aborting commit due to empty message": change your .bat or .sh file to say:
"<path-to-n++" .git/COMMIT_EDITMSG -<ar...
Converting between strings and ArrayBuffers
...he UTF-8 range in the example they will be encoded to two bytes instead of one.
For general use you would use UTF-16 encoding for things like localStorage.
TextDecoder
Likewise, the opposite process uses the TextDecoder:
The TextDecoder interface represents a decoder for a specific method,
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Regular expression matching a multiline block of text
...ne. This defines what I will call a textline.
((?:textline)+) means match one or more textlines but do not put each line in a group. Instead, put all the textlines in one group.
You could add a final \n in the regular expression if you want to enforce a double newline at the end.
Also, if you are n...