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Select count(*) from multiple tables
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why do you need dual? what does that mean?
– Ray Lu
Mar 3 '09 at 12:44
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Convert tabs to spaces in Notepad++
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1024
To convert existing tabs to spaces, press Edit->Blank Operations->TAB to Space.
If in the...
Ways to iterate over a list in Java
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Ted HoppTed Hopp
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What is the purpose of the reader monad?
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edited Jan 25 at 19:47
Matthias Braun
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What are your favorite extension methods for C#? (codeplex.com/extensionoverflow)
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What is the best way to ensure only one instance of a Bash script is running? [duplicate]
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14 Answers
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How can I print the contents of a hash in Perl?
... your friend.
use Data::Dumper;
my %hash = ('abc' => 123, 'def' => [4,5,6]);
print Dumper(\%hash);
will output
$VAR1 = {
'def' => [
4,
5,
6
],
'abc' => 123
};
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Does Java casting introduce overhead? Why?
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answered Jan 31 '10 at 7:14
Alex NtousiasAlex Ntousias
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How do I format a string using a dictionary in python-3.x?
...g syntax, available since Python 3.6:
>>> geopoint = {'latitude':41.123,'longitude':71.091}
>>> print(f'{geopoint["latitude"]} {geopoint["longitude"]}')
41.123 71.091
Note the outer single quotes and inner double quotes (you could also do it the other way around).
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How to get the Power of some Integer in Swift language?
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edited Sep 20 '16 at 8:04
answered Jun 13 '14 at 8:37
Gri...