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What is this date format? 2011-08-12T20:17:46.384Z

... @MarounMaroun: Basically we want those literal characters. It may not be necessary for T (I can't remember how SimpleDateFormat handles unknown specifiers) but for Z we want it to be the character 'Z' rather than "a UTC offset value" (e.g. "00")...
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remove legend title in ggplot

... This will remove all legend titles. For more local control, the guide = guide_legend() command works. To remove the fill legend title, but to keep the color legend title, e.g. scale_fill_brewer(palette = "Dark2", guide = guide_legend(title = ...
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How do you increase the max number of concurrent connections in Apache?

...ts 200 MinSpareThreads 25 MaxSpareThreads 75 ThreadsPerChild 25 First of all, whenever an apache is started, it will start 2 child processes which is determined by StartServers parameter. Then each process will start 25 threads determined by ThreadsPerChild parameter so this means 2 process can se...
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In Visual Studio C++, what are the memory allocation representations?

In Visual Studio, we've all had "baadf00d", have seen seen "CC" and "CD" when inspecting variables in the debugger in C++ during run-time. ...
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Is VB really case insensitive?

...m not trying to start an argument here, but for whatever reason, it's typically stated that Visual Basic is case insensitive and C languages aren't (and somehow that is a good thing). ...
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How to reset Jenkins security settings from the command line?

Is there a way to reset all (or just disable the security settings) from the command line without a user/password as I have managed to completely lock myself out of Jenkins ? ...
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How does '20 seconds' work in Scala?

... There are a few things going on. First, Scala allows dots and parens to be omitted from many method calls, so 20 seconds is equivalent to 20.seconds()*. Second, an "implicit conversion" is applied. Since 20 is an Int and Int has no seconds method, the compiler searches ...
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What does enctype='multipart/form-data' mean?

...of the URL. multipart/form-data is significantly more complicated but it allows entire files to be included in the data. An example of the result can be found in the HTML 4 specification. text/plain is introduced by HTML 5 and is useful only for debugging — from the spec: They are not reliably...
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How to gracefully handle the SIGKILL signal in Java

...uts down in response to two kinds of events: The program exits normally, when the last non-daemon thread exits or when the exit (equivalently, System.exit) method is invoked, or The virtual machine is terminated in response to a user interrupt, such as typing ^C, or a system-wide event, su...
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Why are Perl 5's function prototypes bad?

...nd to expect prototypes to provide a mechanism for checking that function calls are correct: that is, that they have the right number and type of arguments. Perl's prototypes are not well-suited for this task. It's the misuse that's bad. Perl's prototypes have a singular and very different purpose: ...