大约有 36,000 项符合查询结果（耗时：0.1171秒） [XML]
What is the best way to exit a function (which has no return value) in python before the function en
...
Sven MarnachSven Marnach
446k100100 gold badges833833 silver badges753753 bronze badges
...
What is the Comonad typeclass in Haskell?
...
answered Dec 8 '11 at 9:40
Alexey RomanovAlexey Romanov
147k3030 gold badges247247 silver badges403403 bronze badges
...
PL/SQL, how to escape single quote in a string?
...ou can use literal quoting:
stmt := q'[insert into MY_TBL (Col) values('ER0002')]';
Documentation for literals can be found here.
Alternatively, you can use two quotes to denote a single quote:
stmt := 'insert into MY_TBL (Col) values(''ER0002'')';
The literal quoting mechanism with the Q sy...
Unicode, UTF, ASCII, ANSI format differences
...
480
Going down your list:
"Unicode" isn't an encoding, although unfortunately, a lot of documentat...
Django Admin - Disable the 'Add' action for a specific model
...hat need other things, and the 'add model' in the django admin throughs a 500 from a custom queryset.
5 Answers
...
What does a tilde do when it precedes an expression?
...ntation of the IEEE 754 float (how JavaScript treats numbers) would be...
0011 1111 1111 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
So ~ converts its operand to a 32 bit integer (bitwise operators in JavaScript do that)...
0000 0000 0000 0000 0000 0000 0000 0001
If it wer...
find -exec a shell function in Linux?
...t inherit them:
export -f dosomething
find . -exec bash -c 'dosomething "$0"' {} \;
share
|
improve this answer
|
follow
|
...
Detect if a NumPy array contains at least one non-numeric value?
...ng and will work regardless of shape.
numpy.isnan(myarray).any()
Edit: 30x faster:
import timeit
s = 'import numpy;a = numpy.arange(10000.).reshape((100,100));a[10,10]=numpy.nan'
ms = [
'numpy.isnan(a).any()',
'any(numpy.isnan(x) for x in a.flatten())']
for m in ms:
print " %.2f s" ...
sometimes my file just freezes in my vi |vim, what happened?
...trl-S from freezing your screen, but it's not working on my local Solaris 10 login.
share
|
improve this answer
|
follow
|
...
form_for but to post to a different action
...
AustinAustin
3,79233 gold badges2020 silver badges2525 bronze badges
15
...