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What's the best strategy for unit-testing database-driven applications?
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How do I do an OR filter in a Django query?
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More specifically query sets tend to hit the DB only when you try to index into them, otherwise you're just building a query.
– awiebe
Jul 7 '18 at 22:50
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When should I use Struct vs. OpenStruct?
...pectrum between Hashes on one side and classes on the other. They imply a more concrete relationship amongst the data than does a Hash, but they don't have the instance methods as would a class. A bunch of options for a function, for example, make sense in a hash; they're only loosely related. A ...
bool operator ++ and --
...integral value is anything else - notably this includes 0 [false] and 2 or more [true]).
So as a short-hand ++ worked, and -- didn't.
++ is allowed on bools for compatibility with this, but its use is deprecated in the standard and it was removed in C++17.
This assumes that I only use x as an boole...
How to get UTF-8 working in Java webapps?
...8 characters. If you need to go outside of that (certain alphabets require more than 3-bytes of UTF-8), then you either need to use a flavor of VARBINARY column type or use the utf8mb4 character set (which requires MySQL 5.5.3 or later). Just be aware that using the utf8 character set in MySQL won't...
in_array multiple values
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This would be more useful as a comment on Rok's answer than as a new answer.
– faintsignal
Jan 4 '17 at 16:02
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Convert an NSURL to an NSString
...= myURL.absoluteString;
In Swift:
var myString = myURL.absoluteString
More info in the docs:
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How to create a date and time picker in Android? [closed]
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I know this response is more than a year old, but I think this response should be updated. The DateSlider library referenced by Rabi all the way below seems to be perfect for this.
– Stephan Branczyk
Aug 7 '11 ...
How to use __doPostBack()
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what if i have two or more buttons that do __doPostBack then how do i differentiate them on server side in page_load().
– khalid khan
Jun 8 '14 at 6:40
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