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What does it mean in shell when we put a command inside dollar sign and parentheses: $(command)
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Usage of the $ like ${HOME} gives the value of HOME. Usage of the $ like $(echo foo) means run...
mysql create user if not exists
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edited Oct 18 '18 at 5:04
answered May 16 '13 at 16:24
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converting double to integer in java
...losest long to the argument. The result is rounded to an integer by adding 1/2, taking the floor of the result, and casting the result to type long. In other words, the result is equal to the value of the expression:
(long)Math.floor(a + 0.5d)
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Javascript dynamically invoke object method from string
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if the name of the property is stored in a variable, use []
foo[method]();
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How to make the 'cut' command treat same sequental delimiters as one?
...uence of a repeated character
that is listed in SET1 with a single occurrence
of that character
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How do I return rows with a specific value first?
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On SQL Server, Oracle, DB2, and many other database systems, this is what you can use:
ORDER ...
What does “Auto packing the repository for optimum performance” mean?
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Short version: it means what it says, and if you just let it finish, all will be well.
During ...
What is the maximum number of characters that nvarchar(MAX) will hold?
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Max. capacity is 2 gigabytes of space - so you're looking at just over 1 billion 2-byte charac...
Converting of Uri to String
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answered Jun 28 '13 at 2:49
Rico HarisinRico Harisin
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Splitting on last delimiter in Python string?
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Use .rsplit() or .rpartition() instead:
s.rsplit(',', 1)
s.rpartition(',')
str.rsplit() lets you specify how many times to split, while str.rpartition() only splits once but always returns a fixed number of elements (prefix, delimiter & postfix) and is faster for the singl...