大约有 40,000 项符合查询结果（耗时：0.0606秒） [XML]
Select all text inside EditText when it gets focus
...
You can try in your main.xml file:
android:selectAllOnFocus="true"
Or, in Java, use
editText.setSelectAllOnFocus(true);
share
|
improve this answer
|
...
Group by with multiple columns using lambda
How can I group by with multiple columns using lambda?
5 Answers
5
...
When to use a “has_many :through” relation in Rails?
I am trying to understand what has_many :through is and when to use it (and how). However, I am not getting it. I am reading Beginning Rails 3 and I tried Googling, but I am not able to understand.
...
Reverting part of a commit with git
I want to revert a particular commit in git. Unfortunately, our organization still uses CVS as a standard, so when I commit back to CVS multiple git commits are rolled into one. In this case I would love to single out the original git commit, but that is impossible.
...
When should I use require() and when to use define()?
I have being playing around with requirejs for the last few days. I am trying to understand the differences between define and require.
...
Why is it faster to check if dictionary contains the key, rather than catch the exception in case it
...
On the one hand, throwing exceptions is inherently expensive, because the stack has to be unwound etc.
On the other hand, accessing a value in a dictionary by its key is cheap, because it's a fast, O(1) operation.
BTW: The correct way to do this is to use TryGetValue
obj item;
if(!dict.Tr...
Is there a way to cause git-reflog to show a date alongside each entry?
The git-reflog command doesn't by default show a date alongside each entry, which strikes me as a strange oversight; I think this would be very helpful.
...
How to enable cross-origin resource sharing (CORS) in the express.js framework on node.js
...tatic files from a public directory. I'm using the express.js and am not really sure how to allow cross-domain scripting ( Access-Control-Allow-Origin: * ).
...
Case statement with multiple values in each 'when' block
The best way I can describe what I'm looking for is to show you the failed code I've tried thus far:
3 Answers
...
Custom sort function in ng-repeat
I have a set of tiles that display a certain number depending on which option is selected by the user. I would now like to implement a sort by whatever number is shown.
...