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C++11 rvalues and move semantics confusion (return statement)
...e same, and neither is cv-qualified (don't return const types). Stay away from returning with the condition (:?) statement as it can inhibit RVO. Don't wrap the local in some other function that returns a reference to the local. Just return my_local;. Multiple return statements are ok and will ...
C# loop - break vs. continue
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The break statement also comes in handy when polling for a valid response from somebody or something. Instead of:
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While the answer is invalid:
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You could eliminate some duplication and use:
While True:
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If the answer is valid:
bre...
Unit testing for C++ code - Tools and methodology [closed]
...icle later developed UnitTest++.
What I particularly like about it (apart from the fact that it handles exceptions etc. well) is that there is a very limited amount of 'administration' around the test cases and test fixtures definition.
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Is JavaScript guaranteed to be single-threaded?
...r or timeout is entered, you remain completely in control until you return from the end of your block or function.
(*: ignoring the question of whether browsers really implement their JS engines using one OS-thread, or whether other limited threads-of-execution are introduced by WebWorkers.)
Howev...
Change navbar color in Twitter Bootstrap
...bar
[Update]: TWBSColor now generates SCSS/SASS/Less/CSS code.
[Update]: From now, you can use Less as the default language provided by TWBSColor
[Update]: TWBSColor now supports drop down menus colorization
[Update]: TWBSColor now allows to choose your version (Bootstrap 4 support added)
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What's the syntax for mod in java
...ng to programmers how to implement algorithms with mathematical properties from modular arithmetic. Remainder is NOT modulus but one can quickly derive a modulus from remainders.
– Jim
Aug 24 '12 at 22:12
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Saving an Object (Data persistence)
... to show how more than one object could be saved into (and later read back from) the same file.
– martineau
Dec 25 '10 at 9:57
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Change one value based on another value in pandas
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You can use map, it can map vales from a dictonairy or even a custom function.
Suppose this is your df:
ID First_Name Last_Name
0 103 a b
1 104 c d
Create the dicts:
fnames = {103: "Matt", 104: "Mr"}
lnames = {103:...
What is the best way to repeatedly execute a function every x seconds?
... @JavaSa: because "do your stuff" is not instantaneous and errors from time.sleep may accumulate here. "execute every X seconds" and "execute with a delay of ~X seconds repeatedly" are not the same. See also this comment
– jfs
Jan 25 '17 at 15:42
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Getting a structural type with an anonymous class's methods from a macro
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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