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Is there a decorator to simply cache function return values?
...periodically called with the same arguments.
Example of an LRU cache for computing Fibonacci numbers:
@lru_cache(maxsize=None)
def fib(n):
if n < 2:
return n
return fib(n-1) + fib(n-2)
>>> print([fib(n) for n in range(16)])
[0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 14...
How do you list the active minor modes in emacs?
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When would you use .git/info/exclude instead of .gitignore to exclude files?
...eally go into ~/.gitignore as per Git official documentation here, git-scm.com/docs/gitignore
– Devendra Swami
Jan 10 at 0:18
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Turn a string into a valid filename?
...empts to find good substitutes first (via the NFKD normalization), so é becomes e, a superscript 1 becomes a normal 1, etc. Thanks
– Michael Scott Cuthbert
Nov 8 '12 at 2:13
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move_uploaded_file gives “failed to open stream: Permission denied” error
...y it will be nobody
Change the owner of images and tmp_file_upload to be become nobody or whatever the owner you found in step 1.
$sudo chown nobody /var/www/html/mysite/images/
$sudo chown nobody /var/www/html/mysite/tmp_file_upload/
Chmod images and tmp_file_upload now to be writable by the own...
Display Animated GIF
...or it is working but some of the GIF frames are buggy (wrong colors). On a computer it is of course working fine. What gives?
– Benoit Duffez
Feb 10 '12 at 13:26
12
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Error handling in getJSON calls
...on() { alert("second success"); })
.error(function() { alert("error"); })
.complete(function() { alert("complete"); });
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New Line on PHP CLI
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@AutomaticPixel For platform compatibility yes, for inter-platform compatibility you should use \n instead.
– KingCrunch
Aug 3 '12 at 20:44
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Will writeToFile:atomically: overwrite data?
...u do it atomically or not doesn't matter; in either case, the file will be completely overwritten with the new data.
– BJ Homer
Jul 30 '12 at 13:56
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Selenium WebDriver: Wait for complex page with JavaScript to load
...omething big that takes more than 500 ms. There are several scripts on our company's internal page that take several seconds in IE. Your computer may be temporarily short on resources - say that an antivirus will make your CPU work fully, then 500 ms may be too short even for a noncomplex scripts.
S...