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What is the best way to test for an empty string with jquery-out-of-the-box?
... Since that is the usual-case, OP should include in his answer the comment from @IlariKajaste
– Bane
Aug 19 '13 at 17:25
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C++ obtaining milliseconds time on Linux — clock() doesn't seem to work properly
...ock_gettime(2) with CLOCK_REALTIME to compare times on the same computer. From the gettimeofday(2) manpage: POSIX.1-2008 marks gettimeofday() as obsolete, recommending the use of clock_gettime(2) instead. @CTT, could you update the example by changing the struct timeval to struct timespec, a...
What is the difference between the different methods of putting JavaScript code in an ?
...l just say that I much prefer this style because it separates your content from your JavaScript code. It keeps all the JavaScript code together, which is much easier to maintain (especially if you are applying this to many links), and you can even put it in an external file which can then be packed ...
How do I know which version of Javascript I'm using?
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alert(jsver);
</script>
My Chrome reports 1.7
Blatantly stolen from: http://javascript.about.com/library/bljver.htm
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Create aar file in Android Studio
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Retrieve exported .aar file from local builds
If you have a module defined as an android library project you'll get .aar files for all build flavors (debug and release by default) in the build/outputs/aar/ directory of that project.
your-library-proj...
How can I “pretty print” a Duration in Java?
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It appears from an answer below that an instance of Period can be created directly, without first creating a Duration instance and then converting it to Period. E.g. Period period = new Period(millis); String formatted = formatter.print...
How can I “unuse” a namespace?
... Doesn't work due to conflicting declarations
::string y; // use the class from the global namespace
std::string z; // use the string class from the std namespace
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ActionBar text color
...his is the correct way. However, for consistency, you should be inheriting from Widget.Holo.Light.ActionBar for MyTheme.ActionBarStyle.
– Jake Wharton
Jun 21 '11 at 20:57
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Can someone explain this 'double negative' trick? [duplicate]
...result back to the boolean representation of its original logical value.
From these docs for the Logical NOT operator:
Returns false if its single operand can be converted to true; otherwise, returns true.
So if getContext gives you a "falsey" value, the !! will make it return the boolean v...
Checking to see if a DateTime variable has had a value assigned
...pile-time you can tell that it isn't definitely assigned by trying to read from it :)
I suspect you really want Nullable<DateTime> (or DateTime? with the C# syntactic sugar) - make it null to start with and then assign a normal DateTime value (which will be converted appropriately). Then you ...