大约有 45,000 项符合查询结果（耗时：0.0453秒） [XML]
Efficient evaluation of a function at every cell of a NumPy array
...
@Peter: Ah, now I see that you have mentioned assigning the result back to the former array in your original question. I'm sorry I missed that when first reading it. Yeah, in that case the double loop must be faster. But have you also tr...
UIRefreshControl without UITableViewController
... split second. Anyone else experience this or have a fix for it? (yup, I know this is unsupported in the first place!)
– Tim
Nov 21 '12 at 3:58
6
...
submit a form in a new tab
... my english is so crap. I edited the topic, hope is more comprensive right now :)
– markzzz
Apr 18 '11 at 22:26
...
How do I include a file over 2 directories back?
How do you include a file that is more than 2 directories back. I know you can use ../index.php to include a file that is 2 directories back, but how do you do it for 3 directories back?
Does this make sense?
I tried .../index.php but it isn't working.
...
What is the default text size on Android?
...Size(). I want the text size to look the same like the text on the Button. Now, I can of course set the text size of the button to e.g. 18sp, and use 18 in my view. But for a better integration, I simply would like to know, what text size is "normal" for buttons. From my test, it should be something...
`staticmethod` and `abc.abstractmethod`: Will it blend?
...
abstractstaticmethod Deprecated since version 3.3: It is now possible to use staticmethod with abstractmethod(), making this decorator redundant. link
– irakli khitarishvili
Dec 24 '15 at 9:59
...
How to capture stdout output from a Python function call?
...sage:
with Capturing() as output:
do_something(my_object)
output is now a list containing the lines printed by the function call.
Advanced usage:
What may not be obvious is that this can be done more than once and the results concatenated:
with Capturing() as output:
print('hello world...
Specify JDK for Maven to use
...
Seems that maven now gives a solution here : Compiling Sources Using A Different JDK
Let's say your JAVA_HOME points to JDK7 (which will run maven processes)
Your pom.xml could be :
<build>
<plugins>
<!-- we wan...
Is there an IDictionary implementation that, on missing key, returns the default value instead of th
...e been using that "less efficient" method without realizing it for a while now.
– J Bryan Price
Jan 14 '13 at 22:20
5
...
In a django model custom save() method, how should you identify a new object?
...ble, but named that way to avoid conflicts, checking self._state.adding is now the preferable way to check.
self.pk is None:
returns True within a new Model object, unless the object has a UUIDField as its primary_key.
The corner case you might have to worry about is whether there are uniquene...