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What does $@ mean in a shell script?
...r then $@ will be equal to foo bar.
If you do:
./someScript.sh foo bar
and then inside someScript.sh reference:
umbrella_corp_options "$@"
this will be passed to umbrella_corp_options with each individual parameter enclosed in double quotes, allowing to take parameters with blank space from t...
What is the meaning of the CascadeType.ALL for a @ManyToOne JPA association
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+1 for the best and shortest explanation of mappedBy I've ever come across.
– Ridcully
Sep 30 '14 at 6:19
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How do I install an R package from source?
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If you have the file locally, then use install.packages() and set the repos=NULL:
install.packages(path_to_file, repos = NULL, type="source")
Where path_to_file would represent the full path and file name:
On Windows it will look something like this: "C:\\RJSONIO_0.2-3.tar.gz...
What is a method that can be used to increment letters?
...+ 1);
}
nextChar('a');
As others have noted, the drawback is it may not handle cases like the letter 'z' as expected. But it depends on what you want out of it. The solution above will return '{' for the character after 'z', and this is the character after 'z' in ASCII, so it could be the result y...
How to edit a JavaScript alert box title?
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While this is an answer and is IN FACT true, I have determined that you can make your own version of alert and it will do what you want. A simple modal and override the alert function call.
– Fallenreaper
Jan ...
Why is isNaN(null) == false in JS?
...pts to convert the passed parameter to a number1 (equivalent to Number(x)) and then tests if the value is NaN. If the parameter can't be converted to a number, Number(x) will return NaN2. Therefore, if the conversion of parameter x to a number results in NaN, it returns true; otherwise, it returns f...
Visual Studio (2008) 'Clean Solution' Option
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It deletes all the compiled and temporary files associated with a solution. It ensures that the next build is a full one, rather than only changed files being recompiled.
share...
Can I use Class.newInstance() with constructor arguments?
...or() are the classes of the constructor parameters
– Andrew Puglionesi
Nov 1 '18 at 23:33
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Do HTML5 custom data attributes “work” in IE 6?
...ElementById("geoff");
alert(geoff.getAttribute("data-geoff"));
See MSDN. And although it is mentioned there that you need IE7 to get this to work, I tested this a while ago with IE6 and it functioned correctly (even in quirks mode).
But this has nothing to do with HTML5-specific attributes, of co...
Determine the process pid listening on a certain port
As the title says, I'm running multiple game servers, and every of them has the same name but different PID and the port number. I would like to match the PID of the server which is listening on certain port, and then I would like to kill this process. I need that in order to complete my bas...