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“render :nothing => true” returns empty plaintext file?
...
146
UPDATE: This is an old answer for legacy Rails versions. For Rails 4+, see William Denniss' pos...
How to work with complex numbers in C?
...() {
double complex z1 = 1.0 + 3.0 * I;
double complex z2 = 1.0 - 4.0 * I;
printf("Working with complex numbers:\n\v");
printf("Starting values: Z1 = %.2f + %.2fi\tZ2 = %.2f %+.2fi\n", creal(z1), cimag(z1), creal(z2), cimag(z2));
double complex sum = z1 + z2;
printf("The ...
Android webview & localStorage
... |
edited Apr 15 '12 at 14:36
Tim Cooper
138k3434 gold badges286286 silver badges249249 bronze badges
a...
Why is early return slower than else?
...wer than with_else():
>>> T(lambda : without_else()).repeat()
[0.42015745017874906, 0.3188967452567226, 0.31984281521812363]
>>> T(lambda : with_else()).repeat()
[0.36009842032996175, 0.28962249392031936, 0.2927151355828528]
>>> T(lambda : without_else(True)).repeat()
[0....
split string in to 2 based on last occurrence of a separator
...,', 'f')
– Vanuan
Mar 18 '13 at 10:04
@Vanuan, It is EXACTLY that actually. Just also returns the separator for one re...
cannot load such file — zlib even after using rvm pkg install zlib
...
maerics
126k3434 gold badges234234 silver badges268268 bronze badges
answered Mar 15 '12 at 21:39
Razor StormRazor...
List comprehension: Returning two (or more) items for each item
...gt; list(chain.from_iterable((f(x), g(x)) for x in range(3)))
[2, 0, 3, 1, 4, 4]
Timings:
from timeit import timeit
f = lambda x: x + 2
g = lambda x: x ** 2
def fg(x):
yield f(x)
yield g(x)
print timeit(stmt='list(chain.from_iterable((f(x), g(x)) for x in range(3)))',
setu...
Why is Cache-Control attribute sent in request header (client to server)?
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140
Cache-Control: no-cache is generally used in a request header (sent from web browser to server)...
How do I unset an element in an array in javascript?
...
245
Don't use delete as it won't remove an element from an array it will only set it as undefined, ...