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Get key by value in dictionary
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edited Mar 30 at 11:13
Georgy
4,77655 gold badges3838 silver badges4646 bronze badges
answ...
Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
...t isinstance(s, str) or not s.isdigit():
return None
elif len(s) > 10: #too many digits for int conversion
return None
else:
return int(s)
Better (EAFP: Easier to ask for forgiveness than permission):
try:
return int(s)
except (TypeError, ValueError, OverflowError): #int con...
How to get a list of user accounts using the command line in MySQL?
...t entry.
– Matthew Scharley
Jul 16 '09 at 4:22
5
How to find the same info without sql query ??
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jquery: $(window).scrollTop() but no $(window).scrollBottom()
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10 Answers
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How do I set the size of Emacs' window?
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10 Answers
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iphone Core Data Unresolved error while saving
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answered Aug 16 '09 at 13:01
David WongDavid Wong
10.2k33 gold badges3535 silver badges3434 bronze badges
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preventDefault() on an tag
...(event) {
event.preventDefault();
$(this).next('div').slideToggle(200);
});
Here is the page about that in the jQuery documentation
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fo...
Can I use break to exit multiple nested 'for' loops?
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How to redirect output of an already running process [duplicate]
...put.
Firstly find the PID of the process:
$ ps aux | grep cat
rjc 6760 0.0 0.0 1580 376 pts/5 S+ 15:31 0:00 cat
Now check the file handles it has open:
$ ls -l /proc/6760/fd
total 3
lrwx—— 1 rjc rjc 64 Feb 27 15:32 0 -> /dev/pts/5
l-wx—— 1 rjc rjc 64 Feb 27 15:32 1 -> /tmp...
What's the best way to develop a sideswipe menu like the one in Facebook's new iOS app?
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+50
I recently came across this, didn't actually look at the code or test the control, but looks like it may be a very decent starting poi...