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How does tuple comparison work in Python?
...
a = ('A','B','C') # see it as the string "ABC"
b = ('A','B','D')
A is converted to its corresponding ASCII ord('A') #65 same for other elements
So,
>> a>b # True
you can think of it as comparing between string (It is exactly, actually)
the same thing goes for integers too.
x = (...
Linq order by boolean
...east with this solution, the code makes it painfully obvious which way you intend to sort.
– Robert Noack
Jul 29 '13 at 20:24
2
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When should an IllegalArgumentException be thrown?
...ive measure to complain about obviously bad input before the input can get into the works and cause something to fail halfway through with a nonsensical error message.
It's used for cases where it would be too annoying to throw a checked exception (although it makes an appearance in the java.lang.r...
Finding differences between elements of a list
...cess is a method call in python
numpy.diff is slow because it has to first convert the list to a ndarray. Obviously if you start with an ndarray it will be much faster:
In [22]: arr = np.array(L)
In [23]: %timeit np.diff(arr)
100 loops, best of 3: 3.02 ms per loop
...
Best way to parseDouble with comma as decimal separator?
... just use French format, a number in Spanish format (1.222.222,33) will be converted to "1 222 222,33", which is not what I want. So thanks!
– WesternGun
Mar 30 '17 at 14:55
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Advantages and disadvantages of GUID / UUID database keys
...dered going down this path a few times, but there's always a bit of uncertainty, especially around performance and un-read-out-over-the-phone-able URLs.
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How does the C code that prints from 1 to 1000 without loops or conditional statements work?
...; operator, a function designator with
type "function returning type" is converted to an expression that has type "pointer to
function returning type".
exit is a function designator. Even without the unary & address-of operator, it is treated as a pointer to function. (The & just makes...
Tool for generating railroad diagram used on json.org [closed]
...ting railroad diagram used on json.org
Is there some tool you used to convert
the BNF to these diagrams or were they
hand crafted?
-- Aleem
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UITapGestureRecognizer breaks UITableView didSelectRowAtIndexPath
... in question, then you can directly compare its class instead of having to convert to a string and hope Apple doesn't change the nomenclature:
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer
shouldReceiveTouch:(UITouch *)touch
{
if([touch.view class] == tableview.class)...
How to zero pad a sequence of integers in bash so that all have the same width?
...ubtly in that d interprets 0-prefixed numbers strings as octal numbers and converts them to decimal, whereas g treats them as decimals. (@EdManet: that's why '00026' turned into '00022' with d). Another thing worth mentioning: seq -w does automatic zero-padding of the output numbers based on the wid...