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How to calculate the number of days between two dates? [duplicate]
...s. There's something wrong here... EDIT: Okay yeah.. javascript months are from 0-12 so if you're getting the input from a jquery datepicker or a regular normal date, subtract 1 form the month
– Robert Mennell
Oct 13 '15 at 23:07
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How do I check that multiple keys are in a dict in a single pass?
... 3 of the alternatives.
Put in your own values for D and Q
>>> from timeit import Timer
>>> setup='''from random import randint as R;d=dict((str(R(0,1000000)),R(0,1000000)) for i in range(D));q=dict((str(R(0,1000000)),R(0,1000000)) for i in range(Q));print("looking for %s items ...
How to declare a type as nullable in TypeScript?
...lue null or undefined.
You can make the field optional which is different from nullable.
interface Employee1 {
name: string;
salary: number;
}
var a: Employee1 = { name: 'Bob', salary: 40000 }; // OK
var b: Employee1 = { name: 'Bob' }; // Not OK, you must have 'salary'
var c: Employee1 = ...
sprintf like functionality in Python
...de='37.24N', longitude='-115.81W')
'Coordinates: 37.24N, -115.81W'
Taken from Format examples, where all the other Format-related answers are also shown.
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Is it feasible to compile Python to machine code?
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Try ShedSkin Python-to-C++ compiler, but it is far from perfect. Also there is Psyco - Python JIT if only speedup is needed. But IMHO this is not worth the effort. For speed-critical parts of code best solution would be to write them as C/C++ extensions.
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Disabling implicit animations in -[CALayer setNeedsDisplayInRect:]
...ly. However, when the graphics system updates my layer, it's transitioning from the old to the new image using a cross-fade. I'd like it to switch over instantly.
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How to suppress scientific notation when printing float values?
... (in original function, a negative number would end up like 0.0000-108904 from -1.08904e-05)
def getExpandedScientificNotation(flt):
was_neg = False
if not ("e" in flt):
return flt
if flt.startswith('-'):
flt = flt[1:]
was_neg = True
str_vals = str(flt).spl...
Inline functions vs Preprocessor macros
How does an inline function differ from a preprocessor macro?
14 Answers
14
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Garbage collector in Android
...then it's usually too late to call the garbage collector...
Here is quote from Android Developer:
Most of the time, garbage collection
occurs because of tons of small,
short-lived objects and some garbage
collectors, like generational garbage
collectors, can optimize the
collection of...
Why does python use 'else' after for and while loops?
...p has values unless a break statement is explicity run as in this example. From the docs above: "The else clause has another perceived problem: if there is no break in the loop, the else clause is functionally redundant.". e.g. for x in [1, 2, 3]:\n print x\n else:\n print 'this executes due to no b...