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Eclipse, regular expression search and replace
...'th capture group.
So:
search: (\w+\.someMethod\(\))
replace: ((TypeName)$1)
Hint: CTRL + Space in the textboxes gives you all kinds of suggestions for regular expression writing.
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How to compare two dates?
...rt datetime, timedelta
>>> past = datetime.now() - timedelta(days=1)
>>> present = datetime.now()
>>> past < present
True
>>> datetime(3000, 1, 1) < present
False
>>> present - datetime(2000, 4, 4)
datetime.timedelta(4242, 75703, 762105)
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Where do gems install?
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216
Look at your gem environment.
In a terminal run gem env
You should see an entry INSTALLATION ...
How do you split a list into evenly sized chunks?
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How to sort a list of lists by a specific index of the inner list?
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10 Answers
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Set transparent background using ImageMagick and commandline prompt
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140
I am using ImageMagick 6.6.9-7 on Ubuntu 12.04.
What worked for me was the following:
convert...
typecast string to integer - Postgres
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129
Wild guess: If your value is an empty string, you can use NULLIF to replace it for a NULL:
SE...
Timeout a command in bash without unnecessary delay
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153
I think this is precisely what you are asking for:
http://www.bashcookbook.com/bashinfo/sourc...
How can I divide two integers to get a double?
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You want to cast the numbers:
double num3 = (double)num1/(double)num2;
Note: If any of the arguments in C# is a double, a double divide is used which results in a double. So, the following would work too:
double num3 = (double)num1/num2;
For more information see:
Dot Net P...