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Generating all permutations of a given string
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Solution seems to be coming from here introcs.cs.princeton.edu/java/23recursion/…
– cyber-monk
Aug 8 '12 at 16:05
49
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Difference between ref and out parameters in .NET [duplicate]
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On the upside, ref can save an extra copy of a Struct from being made during a function call. On the downside, a Class could be initialized to null, so you STILL have to guard against that.
– Michael Brown
Oct 5 '12 at 16:54
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How to kill a child process after a given timeout in Bash?
...a bash script that launches a child process that crashes (actually, hangs) from time to time and with no apparent reason (closed source, so there isn't much I can do about it). As a result, I would like to be able to launch this process for a given amount of time, and kill it if it did not return su...
All but last element of Ruby array
...n] : super
end
end
Then you can use a negative size to remove elements from the end, like so:
[1, 2, 3, 4].drop(-1) #=> [1, 2, 3]
[1, 2, 3, 4].drop(-2) #=> [1, 2]
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Add and remove multiple classes in jQuery
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so what is you want to remove a class from multiple $("p")?
– whisk
Jun 17 '19 at 15:47
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advantage of tap method in ruby
...foobar') would be clearest and shortest in this case :) - the last example from the question.
– Lee
Jul 7 '16 at 17:56
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Boolean literals in PowerShell
...echo "Batch file starting execution."
Now if I've to invoke this PS file from a PS command line, this is how I can do it:
installmyapp.ps1 -cleanuprequired $true
OR
installmyapp.ps1 -cleanuprequired 1
Here 1 and $true are equivalent. Also, 0 and $false are equivalent.
Note: Never expect t...
Best way to list files in Java, sorted by Date Modified?
...rithm compares two files. This potentially reduces the number of I/O calls from O(n log n) to O(n).
It's more code, though, so this should only be used if you're mainly concerned with speed and it is measurably faster in practice (which I haven't checked).
class Pair implements Comparable {
pu...
How to set the id attribute of a HTML element dynamically with angularjs (1.x)?
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Where does myScopeObject come from? Where would I define it?
– Jan Aagaard
Oct 6 '14 at 8:26
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One class per file rule in .NET? [closed]
...en more severe). It's often used to split the auto-generated designer code from your custom code in the same class (but sometimes is used to allow different developers to work on the class at the same time via different files). So Microsoft does see benefits of multiple files and everybody has multi...