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What's the difference between nohup and ampersand
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answered Mar 24 '13 at 5:04
nemonemo
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Working with huge files in VIM
...Extract that range of the file. Say the lines you want to edit are at line 4 and 5. Then do:
sed -n -e '4,5p' -e '5q' HUGEFILE > SMALLPART
The -n option is required to suppress the default behaviour of sed to print everything
4,5p prints lines 4 and 5
5q aborts sed after processing line 5
E...
Replacing instances of a character in a string
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answered Oct 4 '12 at 9:01
Martijn Pieters♦Martijn Pieters
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How to merge two arrays in JavaScript and de-duplicate items
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answered Oct 18 '09 at 8:42
LiraNunaLiraNuna
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Maximum length for MD5 input/output
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244
MD5 processes an arbitrary-length message into a fixed-length output of 128 bits, typically rep...
git diff two files on same branch, same commit
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84
You don't need git for that, just use diff fileA.php fileB.php (or vimdiff if you want side by s...
Is it better to call ToList() or ToArray() in LINQ queries?
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answered May 1 '13 at 17:42
JaredParJaredPar
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What can you do in MSIL that you cannot do in C# or VB.NET? [closed]
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34
MSIL allows for overloads which differ only in return types because of
call void [mscorlib]Syst...
PostgreSQL Crosstab Query
...O tbl VALUES
('A', 'Active', 1), ('A', 'Inactive', 2)
, ('B', 'Active', 4), ('B', 'Inactive', 5)
, ('C', 'Inactive', 7); -- ('C', 'Active') is missing
Simple form - not fit for missing attributes
crosstab(text) with 1 input parameter:
SELECT *
FROM crosstab(
'SELECT ...
Getting output of system() calls in Ruby
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349
I'd like to expand & clarify chaos's answer a bit.
If you surround your command with backt...