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What is the !! (not not) operator in JavaScript?

...he HTML5 <audio> element, but we don't want the function to throw an error if <audio> is undefined; and we don't want to use try ... catch to handle any possible errors (because they're gross); and also we don't want to use a check inside the function that won't consistently reveal the t...
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Moving from CVS to Git: $Id$ equivalent?

... What is git co supposed to do? I got the error message "git: 'co' is not a git command. See 'git --help'." Should it be git checkout? – Peter Mortensen Jul 28 '18 at 19:51 ...
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How do I print the elements of a C++ vector in GDB?

...lem = $arg0.size() if $arg1 >= $arg0.size() printf "Error, %s.size() = %d, printing last element:\n", "$arg0", $arg0.size() set $elem = $arg1 -1 end print *($arg0._M_impl._M_start + $elem)@1 else print *($arg0._M_impl._M_start)@$arg0.siz...
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Why do loggers recommend using a logger per class?

...ImportantLogs" /> <logger name="StupidLibrary.*" minlevel="Error" writeTo="StupidLibraryLogs" /> <!-- Hide other messages from StupidLibrary --> <logger name="StupidLibrary.*" final="true" /> <!-- Log all but hidden messages --> <logger name="*" writeTo="Al...
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TemplateDoesNotExist - Django Error

I'm using Django Rest Framework. and I keep getting an error 5 Answers 5 ...
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How do I get PyLint to recognize numpy members?

... user setting to whitelist numpy: { // whitelist numpy to remove lint errors "python.linting.pylintArgs": [ "--extension-pkg-whitelist=numpy" ] } share | improve this answer ...
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do N times (declarative syntax)

... answered Jun 12 '12 at 10:05 ggozadggozad 12.9k33 gold badges3737 silver badges4949 bronze badges ...
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Priority queue in .Net [closed]

...s. – Tom Larkworthy Aug 5 '16 at 22:05 It looks like the underlying object is an array. Wouldn't this be better as a b...
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Is System.nanoTime() completely useless?

... int status = gettimeofday(&time, NULL); assert(status != -1, "linux error"); return jlong(time.tv_sec) * 1000 + jlong(time.tv_usec / 1000); } jlong os::javaTimeNanos() { if (Linux::supports_monotonic_clock()) { struct timespec tp; int status = Linux::clock_gettime(CLOCK_MONOTO...
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Mailto links do nothing in Chrome but work in Firefox?

...o:...' – Neil Monroe Nov 1 '16 at 0:05 ...