大约有 48,000 项符合查询结果(耗时:0.0524秒) [XML]
Get the current first responder without using a private API
...tion email today. It tells me that my app cannot be accepted because I'm using a non-public API; specifically, it says,
28 ...
I have an error: setOnItemClickListener cannot be used with a spinner, what is wrong?
Kindly This is my code below, and I am pasting the error messages underneath:
I am trying to use setOnItemClickListener on the spinner, is it permissible?
...
pass string parameter in an onclick function
I would like to pass a parameter (i.e. a string) to an Onclick function. For the moment, I do this:
24 Answers
...
Converting JSONarray to ArrayList
I am downloading a JSON string and converting it to JSONArray. Im putting it into a listview and need to be able to delete from that listview later, and since JSONArray has no .remove method (Thanks Obama), I am trying to convert it to an arraylist.
...
How do I hide a menu item in the actionbar?
...
Get a MenuItem pointing to such item, call setVisible on it to adjust its visibility and then call invalidateOptionsMenu() on your activity so the ActionBar menu is adjusted accordingly.
Update: A MenuItem is not a regular view that's part o...
Email validation using jQuery
I'm new to jQuery and was wondering how to use it to validate email addresses.
35 Answers
...
How to autosize a textarea using Prototype?
I'm currently working on an internal sales application for the company I work for, and I've got a form that allows the user to change the delivery address.
...
Ways to save enums in database
What is the best way to save enums into a database?
11 Answers
11
...
NOT IN vs NOT EXISTS
...cution plans may be the same at the moment but if either column is altered in the future to allow NULLs the NOT IN version will need to do more work (even if no NULLs are actually present in the data) and the semantics of NOT IN if NULLs are present are unlikely to be the ones you want anyway.
When...
Rails 3 migrations: Adding reference column?
...
If you are using the Rails 4.x you can now generate migrations with references, like this:
rails generate migration AddUserRefToProducts user:references
like you can see on rails guides
...
