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Rounding DateTime objects
I want to round dates/times to the nearest interval for a charting application. I'd like an extension method signature like follows so that the rounding can be acheived for any level of accuracy:
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How to compile without warnings being treated as errors?
...anks Daniel, but there is no -Werror flag set in my project. Should I look for it somewhere else ?
– Saurabh Verma
Jul 19 '12 at 12:53
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Expanding tuples into arguments
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Note that the same syntax can be used for lists as well as tuples.
– brendon-ai
Aug 17 '17 at 13:22
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Simulating ENTER keypress in bash script
...ow we can simply use the --sk option:
--sk, --skip-keypress Don't wait for a keypress after each test
i.e. sudo rkhunter --sk --checkall
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Split string based on a regular expression
I have the output of a command in tabular form. I'm parsing this output from a result file and storing it in a string. Each element in one row is separated by one or more whitespace characters, thus I'm using regular expressions to match 1 or more spaces and split it. However, a space is being inser...
Big O of JavaScript arrays
...tions to resize. It seems that JavaScript makes it easy to write poorly performing array code. This leads to the question:
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How to catch integer(0)?
...s way of printing a zero length vector (an integer one), so you could test for a being of length 0:
R> length(a)
[1] 0
It might be worth rethinking the strategy you are using to identify which elements you want, but without further specific details it is difficult to suggest an alternative str...
Disable messages upon loading a package
...This is ordinarily fine, but since the output of my R script is being used for further analysis I want to completely disable all of this output. How do I do that? Furthermore, I'd prefer to do it without having to modify ROCR at all, so that future users of this script don't have to do that either...
Using C++ library in C code
I have a C++ library that provides various classes for managing data. I have the source code for the library.
4 Answers
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How to replace a whole line with sed?
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Force of habit, it can be ignored in this case - it's used as a global replacement for the line to replace each match rather than just the first. In this case though only the first will be matched because of the .*.
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