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Python csv string to array
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266
You can convert a string to a file object using io.StringIO and then pass that to the csv modu...
MySQL get row position in ORDER BY
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120
Use this:
SELECT x.id,
x.position,
x.name
FROM (SELECT t.id,
t...
How to install JSTL? The absolute uri: http://java.sun.com/jstl/core cannot be resolved
...t know what I've done incorrectly, but I can't include JSTL. I have jstl-1.2.jar, but unfortunately I get exception:
16 An...
Are negative array indexes allowed in C?
I was just reading some code and found that the person was using arr[-2] to access the 2nd element before the arr , like so:
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How to make rpm auto install dependencies
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edited Dec 14 '12 at 11:34
answered Dec 14 '12 at 11:24
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What is a plain English explanation of “Big O” notation?
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How to remove item from list in C#?
... use Remove(T item):
var itemToRemove = resultlist.Single(r => r.Id == 2);
resultList.Remove(itemToRemove);
When you are not sure the item really exists you can use SingleOrDefault. SingleOrDefault will return null if there is no item (Single will throw an exception when it can't find the item...
How to get the second column from command output?
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29
Or use sed & regex.
<some_command> | sed 's/^.* \(".*"$\)/\1/'
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How to store standard error in a variable
...d output.
ERROR=$( { ./useless.sh | sed s/Output/Useless/ > outfile; } 2>&1 )
Note that the semi-colon is needed (in classic shells - Bourne, Korn - for sure; probably in Bash too). The '{}' does I/O redirection over the enclosed commands. As written, it would capture errors from sed ...
ArithmeticException: “Non-terminating decimal expansion; no exact representable decimal result”
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862
From the Java 11 BigDecimal docs:
When a MathContext object is supplied with a precision settin...