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How to programmatically close a JFrame
...oseOperation(WindowConstants.DO_NOTHING_ON_CLOSE); won't actually close it by triggering this event despite the user normally being able to close the window on X even if DO_NOTHING_ON_CLOSE is set, but firing this event won't. See the difference?
– mmm
Jul 26 '...
How can I put strings in an array, split by new line?
I have a string with line breaks in my database. I want to convert that string into an array, and for every new line, jump one index place in the array.
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Drop unused factor levels in a subsetted data frame
...ata frame to a list, so the mydf <- droplevels(mydf) solution suggested by Roman Luštrik and Tommy O'Dell below is preferable.
– Johan
May 9 '14 at 10:41
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What is the purpose of “&&” in a shell command?
...to understand what the program considers a "failure" and how it handles it by reading the documentation and, if necessary, the source code.
Your shell considers a return value of 0 for true, other positive numbers for false
Programs return a signal on exiting. They should return 0 if they exit suc...
C++ catching all exceptions
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It is a good practice to catch exceptions by const reference. As in: catch(std::exception const & ex) { /* ... */ }
– coryan
Nov 25 '08 at 1:18
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Func with out parameter
...nd V as covariant. However, since a parameter (output) of type U is passed by reference, U cannot be marked co- or contravariant and must remain "invariant". So consider public delegate V MyDelegate<in T, U, out V>(T input, out U output); if you use C# 4 or later.
– Jeppe...
Write a program that will surely go into deadlock [closed]
...s execution units) acquire resources, where each resource can only be held by one thread at a time, and holds on to those resources in a such a way that the holds cannot be preempted, and there exists some "circular" relationship between the threads such that each thread in the deadlock is waiting t...
Choosing Mobile Web HTML5 Framework [closed]
...ut the merits, but jQuery mobile (though it is in alpha as well) is backed by a strong team and a community of supporters by extension of the core jQuery library. Probably the best choice for anything except the most enterprise centric applications.
Titanium:
Titanium is not an HTML5 mobile framewo...
Is there a way to filter network requests using Google Chrome developer tools?
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You can also filter by http status code and other features as well, like: domain, has-response-header, is, larger-than, method, mime-type, scheme, set-cookie-name, set-cookie-value, set-cookie-domain, status-code, and you can filter by multiple ...
What is the difference between XMLHttpRequest, jQuery.ajax, jQuery.post, jQuery.get
... @RobertKoritnik what about the caching issue in IE?Is it the same by using XMLHttpRequest and $.ajax()?
– Bhargavi Gunda
Jun 26 '13 at 10:39
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