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How to write an inline IF statement in JavaScript?
...e minor if the value is true, and major if the value is false.
This is known as a Conditional (ternary) Operator.
https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/Conditional_Operator
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Setting the selected value on a Django forms.ChoiceField
... tuples represent (value, label) pairs for the options and you want to specify the initial value - so the '3' refers to the first item.
– Tom
Oct 29 '17 at 10:19
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How do I calculate tables size in Oracle
...ering how I can get at tables size in Oracle 10g.
I have googled it so I'm now aware that I may not have as easy an option as sp_spaceused. Still the potential answers I got are most of the time outdated or don't work. Probably because I'm no DBA on the schema I'm working with.
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Is it possible to forward-declare a function in Python?
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If you don't want to define a function before it's used, and defining it afterwards is impossible, what about defining it in some other module?
Technically you still define it first, but it's clean.
You could create a recur...
Pass Method as Parameter using C#
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@unknown: In that case it would be Action instead of Func<string, int>.
– Jon Skeet
Jan 17 '10 at 21:45
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How do I print to the debug output window in a Win32 app?
...e to print things to the Visual Studio output window, but I can't for the life of me work out how. I've tried 'printf' and 'cout
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Compelling examples of custom C++ allocators?
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The original link is now defunct, but CiteSeer has the PDF: citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.71.8289
– Arto Bendiken
Apr 4 '13 at 1:06
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How to get method parameter names?
... no metadata about their arguments. As a result, you will get a ValueError if you use inspect.getfullargspec() on a built-in function.
Since Python 3.3, you can use inspect.signature() to see the call signature of a callable object:
>>> inspect.signature(foo)
<Signature (a, b, c=4, *ar...
postgresql - sql - count of `true` values
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Yuk. That fix is really confusing. AFAICS, it will now count true or null values. I think that rephrasing it so that you always have nullif([boolean expression], false) makes it much easier to read. You can then vary the boolean expression part to be whatever you like, in th...
Use of def, val, and var in scala
...cala> def something = 2 + 3 * 4
something: Int
scala> something // now it's evaluated, lazily upon usage
res30: Int = 14
Example, val
scala> val somethingelse = 2 + 3 * 5 // it's evaluated, eagerly upon definition
somethingelse: Int = 17
Example, var
scala> var aVariable = 2 * 3...