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What does .SD stand for in data.table in R
.SD looks useful but I do not really know what I am doing with it. What does it stand for? Why is there a preceding period (full stop). What is happening when I use it?
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What happens if you static_cast invalid value to enum class?
...ue is specified(*), and no Undefined Behaviour (UB) is involved. More generally, as you cast from the underlying type to the enumeration type, no value in data[0] can lead to UB for the static_cast.
After CWG 1766 (C++17)
See CWG defect 1766.
The [expr.static.cast]p10 paragraph has been strengthene...
What's the most elegant way to cap a number to a segment? [closed]
... upon, why suggest it...?
– j b
Sep 15 at 10:59
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Send attachments with PHP Mail()?
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315
I agree with @MihaiIorga in the comments – use the PHPMailer script. You sound like you're re...
Saving vim macros
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The :mkexrc (or :mkvimrc) command can be used to save all the current :map and :set settings to a file. See :help mkexrc for details.
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w3wp process not found
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w3wp.exe won't show in the running process' unless there is actually an instance of the web application running.
Try to access your web page first, when it is displayed for the first time, try to attach your debugger. The process should now show up.
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Best approach to converting Boolean object to string in java
...irst test for null and later invoke toString() method on your object.
Calling Boolean.toString(b) will invoke
public static String toString(boolean b) {
return b ? "true" : "false";
}
which is little slower than b.toString() since JVM needs to first unbox Boolean to boolean which will be...
Call to undefined method mysqli_stmt::get_result
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edited Jul 9 '15 at 9:42
Matt Gibson
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Downloading a large file using curl
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edited Dec 19 '15 at 2:44
K-Gun
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Trying to add adb to PATH variable OSX
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edited Aug 3 '15 at 20:11
answered Nov 4 '13 at 8:50
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