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JavaScript OR (||) variable assignment explanation
...t then when I wanted to use it is that the result of the expression is not cast to boolean. You cannot later do if( true == f ). If an integer was stored in f, then this test will always return false.
– user1115652
Aug 1 '13 at 2:11
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Entity Framework: There is already an open DataReader associated with this Command
...ption can be thrown before second reader is executed). You can also try to cast the query to ObjectQuery and call ToTraceString to see the SQL command. It is hard to track. I always turn on MARS.
– Ladislav Mrnka
Feb 1 '11 at 22:27
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@selector() in Swift?
...unction has no parameters, the only way to disambiguate it is to use an as cast with the function's type signature (e.g. foo as () -> () vs foo(_:)).
There's a special syntax for property getter/setter pairs in Swift 3.0+. For example, given a var foo: Int, you can use #selector(getter: MyClass.f...
How to check for an undefined or null variable in JavaScript?
...s the truthiness. Which FYI is also equivalent to if (var) which will be cast to boolean, so basically completely useless...
– Cyril CHAPON
Jun 26 '18 at 9:42
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PostgreSQL, checking date relative to “today”
... a year ago and part of the day today. If you want to filter on full days, cast now()::date as Alex Howansky suggested.
– tokenizer_fsj
Jul 4 '19 at 21:40
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How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?
...a floating-point arithmetic, yielding 500000000.0, before it is explicitly casted back to a 64-bit integer. So it's perfectly acceptable to use a fraction of NSEC_PER_SEC.
– junjie
Jul 2 '17 at 14:05
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Enumerable.Empty() equivalent for IQueryable
... after .NET Framework 4.6. For earlier versions, you can use new object[0].Cast<T>()
– TZU
Dec 20 '19 at 21:13
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Which exception should I raise on bad/illegal argument combinations in Python?
...string knowing that non-empty strings are always True. It might save him a cast.
If the arguments have invalid values, raise ValueError. This seems more appropriate in your case:
if recurse and not save:
raise ValueError("If recurse is True, save should be True too")
Or in this specific case...
Determining whether jQuery has not found any element
...more clearance, you can also use if (!!$('#id').length), that do a boolean cast.
– Daniele Vrut
Aug 2 '14 at 21:58
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How to convert byte array to Bitmap
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@Julian How to byte[] cannot be cast to java.lang.String when retreving image from Sqlite stackoverflow.com/questions/63658886/…
– Kingg
Aug 30 at 16:03
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