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Excel Date to String conversion
...YY hh:mm:ss")
(24 hour time)
=TEXT(A1,"DD/MM/YYYY hh:mm:ss AM/PM")
(standard time)
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How to verify an XPath expression in Chrome Developers tool or Firefox's Firebug?
...here for more details):
Search in Elements panel like below
Execute $x() and $$() in Console panel, as shown in Lawrence's answer
Third party extensions (not really necessary in most of the cases, could be an overkill)
Here is how you search XPath in Elements panel:
Press F12 to open Chrome De...
Which terminal command to get just IP address and nothing else?
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It says that -i and -I are both illegal options
– Mason
Dec 16 '11 at 3:08
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Lazy Method for Reading Big File in Python?
I have a very big file 4GB and when I try to read it my computer hangs.
So I want to read it piece by piece and after processing each piece store the processed piece into another file and read next piece.
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Use jQuery to get the file input's selected filename without the path
... @MikeDeSimone I've tested split('\\').pop(); on Win 7, Ubuntu 11.04 and Mac OS X and it works fine on all of them.
– Alex
Mar 8 '12 at 14:57
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How to use `subprocess` command with pipes
...or various reasons, not least of which is security. Instead, create the ps and grep processes separately, and pipe the output from one into the other, like so:
ps = subprocess.Popen(('ps', '-A'), stdout=subprocess.PIPE)
output = subprocess.check_output(('grep', 'process_name'), stdin=ps.stdout)
ps....
What is the argument for printf that formats a long?
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On most platforms, long and int are the same size (32 bits). Still, it does have its own format specifier:
long n;
unsigned long un;
printf("%ld", n); // signed
printf("%lu", un); // unsigned
For 64 bits, you'd want a long long:
long long n;
uns...
Why do I get “Pickle - EOFError: Ran out of input” reading an empty file?
...kler.load()
Also open(target, 'a').close() is doing nothing in your code and you don't need to use ;.
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How can I get Git to follow symlinks?
...now out-dated as per comment since Git 1.6.1. Git used to behave this way, and no longer does.
Git by default attempts to store symlinks instead of following them (for compactness, and it's generally what people want).
However, I accidentally managed to get it to add files beyond the symlink whe...
How to list all installed packages and their versions in Python?
Is there a way in Python to list all installed packages and their versions?
11 Answers
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