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Emacs: print key binding for a command or list all key bindings
In Emacs (GNU 23.2, *nix), how can I:
2 Answers
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Convert NSNumber to int in Objective-C
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193
Have a look at the documentation. Use the intValue method:
NSNumber *number = [dict objectForKe...
Getting number of days in a month
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302
You want DateTime.DaysInMonth:
int days = DateTime.DaysInMonth(year, month);
Obviously it v...
How do I convert a Ruby class name to a underscore-delimited symbol?
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143
Rails comes with a method called underscore that will allow you to transform CamelCased strings ...
How to run cron job every 2 hours
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398
Just do:
0 */2 * * * /home/username/test.sh
The 0 at the beginning means to run at the 0t...
Align button at the bottom of div using CSS
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231
You can use position:absolute; to absolutely position an element within a parent div.
When usi...
What are the differences between double-dot “..” and triple-dot “…” in Git commit ranges?
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answered Jan 20 '09 at 20:46
PieterPieter
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How to determine if a number is a prime with regex?
...he number supplied. So the string has three characters if and only if n == 3.
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The first part of the regex says, "any character, zero or one times". So basically, is there zero or one character-- or, per what I mentioned above, n == 0 || n == 1. If we have the match, then return the negation of...
Is there a performance difference between a for loop and a for-each loop?
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Vijay DevVijay Dev
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Cannot generate iOS App archive in xcode
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317
Check Build Settings:
Skip install is NO for the main project target
Skip install is YES for...