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Why is it impossible to build a compiler that can determine if a C++ function will change the value
... if (bar() == 0) this->a = 1;
}
How can a compiler determine, just from looking at that code, whether foo will ever change a? Whether it does or doesn't depends on conditions external to the function, namely the implementation of bar. There's more than that to the proof that the halting prob...
How do I run git log to see changes only for a specific branch?
... @HighwayofLife: --no-merges may appear that it's only showing commits from a specific branch, but it's really only showing commits that did not result in a merge
– rynmrtn
Apr 8 '13 at 20:16
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Android: When is onCreateOptionsMenu called during Activity lifecycle?
...lated)
That test will break very shortly, once Ice Cream Sandwich ships. From what I can tell, ICS phones will have action bars (though perhaps not system bars).
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what is the right way to treat Python argparse.Namespace() as a dictionary?
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@RaymondHettinger Okay, neat. I got that note from the /3/ version of the docs (on closer inspection, 3.1 to 3.4 including), so the correction is apparently missing there.
– user395760
Jun 2 '13 at 12:44
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Difference between Python's Generators and Iterators
...t class Iterator with abstract methods __next__
We can get the iterators from the built-in objects (or custom objects) with the iter function:
>>> all(isinstance(iter(element), collections.Iterator) for element in (
(), [], {}, set(), frozenset(), '', b'', bytearray(), range(0), ...
When should I use OWIN Katana?
...redistributable middlewares that can impact the request/response coming to/from your application, but keep these modules separated from the application code.
To persuade yourself of the benefits of this modular approach, take a look at the nuget packages available for OWIN : http://www.nuget.org/p...
Reference — What does this symbol mean in PHP?
...to display the current number of apples, and then you want to subtract one from it.
You can also increment letters in PHP:
$i = "a";
while ($i < "c") {
echo $i++;
}
Once z is reached aa is next, and so on.
Note that character variables can be incremented but not decremented and even s...
What Makes a Method Thread-safe? What are the rules?
...ly not. You can write a program with only a single local variable accessed from a single thread that is nevertheless not threadsafe:
https://stackoverflow.com/a/8883117/88656
Does that apply for static methods as well?
Absolutely not.
One answer, provided by @Cybis, was: "Local variables ...
How do I get the height and width of the Android Navigation Bar programmatically?
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To retrieve orientation from context, use context.getResources().getConfiguration().orientation
– Hugo Gresse
Feb 12 '15 at 14:15
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CGContextDrawImage draws image upside down when passed UIImage.CGImage
...DrawImage would be drawing my image upside down? I am loading an image in from my application:
18 Answers
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