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Permanently Set Postgresql Schema Path
...et schema path in Postgres so that I don't every time specify schema dot table e.g. schema2.table .
Set schema path:
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Rebasing and what does one mean by rebasing pushed commits
It is often said that, you should not rebase commits that you have already pushed. What could be meaning of that?
4 Answer...
vector::at vs. vector::operator[]
I know that at() is slower than [] because of its boundary checking, which is also discussed in similar questions like C++ Vector at/[] operator speed or ::std::vector::at() vs operator[] << surprising results!! 5 to 10 times slower/faster! . I just don't understand what the at() met...
What is the difference between call and apply?
What is the difference between using call and apply to invoke a function?
24 Answers
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How to remove an element from a list by index
How do I remove an element from a list by index in Python?
18 Answers
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What is __pycache__?
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When you run a program in python, the interpreter compiles it to bytecode first (this is an oversimplification) and stores it in the __pycache__ folder. If you look in there you will find a bunch of files sharing the names of the .py files in your project's folder, only their extensions wi...
Rails raw SQL example
How can I convert this code to raw sql and use in rails? Because When I deploy this code in heroku,there is a request timeout error.I think this will be faster if I use raw sql.
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Linux: copy and create destination dir if it does not exist
I want a command (or probably an option to cp) that creates the destination directory if it does not exist.
21 Answers
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How can I delete the current line in Emacs?
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C-a # Go to beginning of line
C-k # Kill line from current point
There is also
C-S-backspace # Ctrl-Shift-Backspace
which invokes M-x kill-whole-line.
If you'd like to set a different global key binding, you'd put this in ...
Undo git stash pop that results in merge conflict
I began making changes to my codebase, not realizing I was on an old topic branch. To transfer them, I wanted to stash them and then apply them to a new branch off of master. I used git stash pop to transfer work-in-progress changes to this new branch, forgetting that I hadn't pulled new changes i...