大约有 36,030 项符合查询结果(耗时:0.0375秒) [XML]
How to remove focus without setting focus to another control?
...layout). To remove focus from all Buttons/EditTexts etc, you can then just do
LinearLayout myLayout = (LinearLayout) activity.findViewById(R.id.my_layout);
myLayout.requestFocus();
Requesting focus did nothing unless I set the view to be focusable.
...
How to clear basic authentication details in chrome
...ername@" part in the URL, but still keep it. If you re-enter the URL after doing this (without the @ part), it will stop asking. Just a tip!
– Mike Caron
Sep 1 '12 at 2:48
4
...
How to add an extra column to a NumPy array
...
I think a more straightforward solution and faster to boot is to do the following:
import numpy as np
N = 10
a = np.random.rand(N,N)
b = np.zeros((N,N+1))
b[:,:-1] = a
And timings:
In [23]: N = 10
In [24]: a = np.random.rand(N,N)
In [25]: %timeit b = np.hstack((a,np.zeros((a.shape[0]...
Declaring an unsigned int in Java
...
Java does not have a datatype for unsigned integers.
You can define a long instead of an int if you need to store large values.
You can also use a signed integer as if it were unsigned. The benefit of two's complement representa...
How can I get the client's IP address in ASP.NET MVC?
...
What does the isPrivateIP method do?
– eddiegroves
Apr 9 '12 at 7:16
19
...
module.exports vs exports in Node.js
...ollowing line will **work** with module.exports
func();
Basically node.js doesn't export the object that exports currently references, but exports the properties of what exports originally references. Although Node.js does export the object module.exports references, allowing you to call it like a...
Index of Currently Selected Row in DataGridView
It's that simple. How do I get the index of the currently selected Row of a DataGridView ? I don't want the Row object, I want the index (0 .. n).
...
How to resolve “Error: bad index – Fatal: index file corrupt” when using Git
...ion in the last commit:
On OSX/Linux:
rm -f .git/index
git reset
On Windows:
del .git\index
git reset
(The reset command above is the same as git reset --mixed HEAD)
You can alternatively use lower level plumbing git read-tree instead of git reset.
If the problem is with index for packfi...
Git clone particular version of remote repository
...
why would you not do a simple checkout of the wanted commit?
– nemoo
May 23 '13 at 10:44
10
...
Regex to get string between curly braces
...match when there is at least one character between the curly braces. Breakdown:
/: start the regex pattern
{: a literal curly brace
(: start capturing
[: start defining a class of characters to capture
^}: "anything other than }"
]: OK, that's our whole class definition
*: any number of ...
