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Run a PostgreSQL .sql file using command line arguments
...n use the following by navigating to the bin folder of your PostgreSQL install:
12 Answers
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Is using Random and OrderBy a good shuffle algorithm?
...asy to implement an O(n) shuffle. The code in the question "works" by basically giving a random (hopefully unique!) number to each element, then ordering the elements according to that number.
I prefer Durstenfield's variant of the Fisher-Yates shuffle which swaps elements.
Implementing a simple S...
Immutable vs Unmodifiable collection
... collection of StringBuilder doesn't somehow "freeze" those objects.
Basically, the difference is about whether other code may be able to change the collection behind your back.
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How to execute a file within the python interpreter?
...ath/to/script.py").read(), globals())
This will execute a script and put all it's global variables in the interpreter's global scope (the normal behavior in most scripting environments).
Python 3 exec Documentation
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This, along with all the other conditional comments solutions, will not detect IE 10 / IE 11
– Lloyd Banks
Oct 5 '13 at 2:23
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Draw a perfect circle from user's touch
I have this practice project that allows the user to draw on the screen as they touch with their fingers. Very simple App I did as exercise way back.
My little cousin took the liberty of drawing things with his finger with my iPad on this App (Kids drawings: circle, lines, etc, whatever came to his ...
How to have the formatter wrap code with IntelliJ?
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these guys keep on renaming setting keys all the time
– ACV
Jul 1 '19 at 11:05
This ...
LINQ-to-SQL vs stored procedures? [closed]
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Some advantages of LINQ over sprocs:
Type safety: I think we all understand this.
Abstraction: This is especially true with LINQ-to-Entities. This abstraction also allows the framework to add additional improvements that you can easily take advantage of. PLINQ is an example of adding...
Setting default permissions for newly created files and sub-directories under a directory in Linux?
...that every file and directory created under this shared directory automatically had u=rwxg=rwxo=r permissions.
4 Answers
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Switch statement for greater-than/less-than
...for Windows was 10ms instead of 1ms.
if-immediate
This is the fastest in all tested environments, except in ... drumroll MSIE! (surprise, surprise). This is the recommended way to implement it.
if (val < 1000) { /*do something */ } else
if (val < 2000) { /*do something */ } else
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if (val...