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Python integer division yields float
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The accepted answer already mentions PEP 238. I just want to add a quick look behind the scenes for those interested in what's going on without reading the whole PEP.
Python maps operators like +, -, * and / to special functions, such that e.g. a...
Understanding the difference between Object.create() and new SomeFunction()
...The rest of the answers are just confusing, because apparently nobody else reads the definition of new either. ;)
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How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators dif
...e/php_equality_charts
Guru Meditation
Those who wish to keep their sanity, read no further because none of this will make any sense, except to say that this is how the insanity-fractal, of PHP was designed.
NAN != NAN but NAN == true.
== will convert left and right operands to numbers if left is a...
Is returning by rvalue reference more efficient?
... ab, or do RVO to omit doing a move or copy altogether. I recommend you to read BoostCon09 Rvalue References 101 which explains the matter, and how (N)RVO happens to interact with this.
Your case of returning an rvalue reference would be a good idea in other occasions. Imagine you have a getAB() ...
Can I implement an autonomous `self` member type in C++?
...like
CLASS_WITH_SELF(Foo)
};
#define END_CLASS }; would probably help readability.
You could also take @Paranaix's Self and use it (it starts to get really hackish)
#define WITH_SELF(X) X : public Self<X>
class WITH_SELF(Foo) {
};
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Difference between InvariantCulture and Ordinal string comparison
...dicating irony don't seem to be as well-understood in the English language reading web as I would have assumed, I removed the "most important cultures" comment. After all, the BCL does not feature a CultureComparer which we could use to verify. For this table, the Danish culture(info) turned out to ...
How do I make this file.sh executable via double click?
...tly is this line in front of any lines: #!/bin/sh but it can be different, read provided link for other cases.
– Lukas Liesis
Jan 27 '16 at 17:36
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When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
...arameter value Stop.
Unless caught, they terminate the current runspace (thread); that is, they terminate not just the current script, but all its callers too, if applicable).
For a comprehensive overview of PowerShell's error handling, see this GitHub documentation issue.
The remainder of this p...
Using Core Data, iCloud and CloudKit for syncing and backup and how it works together
...t a sync system, it's a transfer system. Meaning that any time you want to read/write cloud data, you need to make explicit CloudKit API calls to do so. Nothing happens automatically. CloudKit does not store data on the device, so the data is not available if the device is offline. CloudKit also add...
How do you unit test private methods?
...imized, you might see different behavior and different timings. In multithreaded code this means your unit tests won't appropriately detect race conditions. Much better is to use reflection via @AmazedSaint's suggestion below or use the built-in PrivateObject/PrivateType. This allows you to see p...