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Staging Deleted files
...l
matching files. Also a leading directory name (e.g. dir to add dir/file1 and dir/file2) can be given to update the index to match the current state of the directory as a whole (e.g. specifying dir will record not just a file dir/file1 modified in the working tree, a file dir/file2 added to the wor...
How to get screen width without (minus) scrollbar?
I have an element and need it's width without(!) vertical scrollbar.
8 Answers
8
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Python how to write to a binary file?
...newFileByteArray)
If you're using Python 3.x, you can use bytes instead (and probably ought to, as it signals your intention better). But in Python 2.x, that won't work, because bytes is just an alias for str. As usual, showing with the interactive interpreter is easier than explaining with text, ...
How to get the request parameters in Symfony 2?
I am very new to symfony. In other languages like java and others I can use request.getParameter('parmeter name') to get the value.
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How do you get the file size in C#?
I need a way to get the size of a file using C#, and not the size on disk. How is this possible?
7 Answers
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PHP PDO: charset, set names?
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It's worth noting that this behaviour changed in 5.3.6, and is now working correctly.
– igorw
Nov 10 '11 at 10:47
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Ball to Ball Collision - Detection and Handling
...y mass, the new velocities can be calculated using the equations (where v1 and v2 are the velocities after the collision, and u1, u2 are from before):
If the balls have the same mass then the velocities are simply switched. Here's some code I wrote which does something similar:
void Simulati...
cleanest way to skip a foreach if array is empty [duplicate]
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There are a million ways to do this.
The first one would be to go ahead and run the array through foreach anyway, assuming you do have an array.
In other cases this is what you might need:
foreach ((array) $items as $item) {
print $item;
}
Note: to all the people complaining about typecas...
How to get the full url in Express?
...sume to be http unless you see that req.get('X-Forwarded-Protocol') is set and has the value https, in which case you know that's your protocol
The host comes from req.get('host') as Gopal has indicated
Hopefully you don't need a non-standard port in your URLs, but if you did need to know it you'd ...
adding multiple entries to a HashMap at once in one statement
I need to initialize a constant HashMap and would like to do it in one line statement. Avoiding sth like this:
9 Answers
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