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When should we use intern method of String on String literals
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Java automatically interns String literals. This means that in many cases, the == operator app...
Round a Floating Point Number Down to the Nearest Integer?
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12 Answers
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Git status - is there a way to show changes only in a specific directory?
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203
From within the directory:
git status .
You can use any path really, use this syntax:
gi...
How to execute PHP code from the command line?
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If you're going to do PHP in the command line, i recommend you install phpsh, a decent PHP she...
invalid command code ., despite escaping periods, using sed
... and giving '' as argument to -i:
find ./ -type f -exec sed -i '' -e "s/192.168.20.1/new.domain.com/" {} \;
See this.
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How to prepend a string to a column value in MySQL?
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265
You can use the CONCAT function to do that:
UPDATE tbl SET col=CONCAT('test',col);
If you w...
What does it mean in shell when we put a command inside dollar sign and parentheses: $(command)
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Regular expression matching a multiline block of text
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answered Feb 25 '09 at 20:06
Alan MooreAlan Moore
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Why is the standard session lifetime 24 minutes (1440 seconds)?
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What is an xs:NCName type and when should it be used?
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NCName is non-colonized name e.g. "name". Compared to QName which is qualified name e.g. "ns:nam...