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How to check if std::map contains a key without doing insert?
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No, the premature optimization argument is only valid if the optimization takes some effort which in this case it does not.
– markh44
Nov 10 '11 at 10:21
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Naming convention for Scala constants?
...y) is the first style, camel case with first letter are upper case. It's laid down clearly by Odersky on Programming in Scala.
The style is also followed by the standard library, and has some support in language semantics: identifiers starting with upper case are treated as constants in pattern mat...
How to test an Android Library Project
I am writing an Android Library Project basing on Android Bitmap class (call it AndroindLib) which contains only utility class (no activity). I tried to test it using Android JUnit, but it keeps complaining that can't find the AnroidLib.apk
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How do I pass the this context to a function?
... edited May 24 '14 at 4:21
David Robles
8,78177 gold badges3434 silver badges4545 bronze badges
answered Sep 2 '10 at 18:34
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Resolving ambiguous overload on function pointer and std::function for a lambda using +
...es the conversion to the function pointer type, which is for this lambda void (*)(). Therefore, the type of the expression +[](){} is this function pointer type void (*)().
The second overload void foo(void (*f)()) becomes an Exact Match in the ranking for overload resolution and is therefore chose...
Is it possible to set a number to NaN or infinity?
...with a quip before reading the question over a second time!! Sorry! That said, it wouldn't hurt to say so all the same because it's an easy trap to fall into, NaN != NaN
– David Heffernan
Mar 25 '11 at 22:30
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How do I make a splash screen?
I wanted to make my app look more professional, so I decided that I wanted to make a splash screen.
34 Answers
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++someVariable vs. someVariable++ in JavaScript
...I nearly beat you to an answer had I not stopped to load up a practical jsfiddle answer. ;-)
– Chris
Aug 12 '10 at 16:34
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remove all variables except functions
...) which, however, tests the mode rather than the typeof of objects. (On a side note, I'll be darned if I can figure the difference between those two from their documentation).
– Josh O'Brien
Nov 29 '11 at 17:04
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How to divide flask app into multiple py files?
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You can use the usual Python package structure to divide your App into multiple modules, see the Flask docs.
However,
Flask uses a concept of blueprints for making application components and supporting common patterns within an application or across applications.
You can...