大约有 42,000 项符合查询结果（耗时：0.0587秒） [XML]
Android Fragment handle back button press [duplicate]
...
FragmentTransaction tx = fragmentManager.beginTransation();
tx.replace( R.id.fragment, new MyFragment() ).addToBackStack( "tag" ).commit();
If you require more detailed control (i.e. when some Fragments are visible, you want to suppress the back key) you can set an OnKeyListener on the parent vie...
Is XSLT worth it? [closed]
...for hints how to implement functions they assumed would just be there and didn't give themselves time to write.
Functional language.
One way to get procedural behaviour, by the way, is to chain multiple transforms together. After each step you have a brand new DOM to work on which reflects the cha...
Insert picture/table in R Markdown [closed]
...
Several sites provide reasonable cheat sheets or HOWTOs for tables and images. Top on my list are:
Pandoc readme, specifically tables
RStudio's RMarkdown, more details in basics (including tables) and a rewrite of pandoc's markdown.
Pictur...
What exactly is RESTful programming?
...rt=314159&item=1729
would not be appropriate. GET requests should be idempotent. That is, issuing a request twice should be no different from issuing it once. That's what makes the requests cacheable. An "add to cart" request is not idempotent—issuing it twice adds two copies of the item to ...
CSS selector by inline style attribute
...est and canno't/would not like to alter the actual code in test. I need to identify a specific autocomplete (there are several hidden) by style display, as the code does not provide unique id's or parent structure - they are dumped to <body> in the callback presumably. But yeah, it's fragile l...
continue processing php after sending http response
My script is called by server. From server I'll receive ID_OF_MESSAGE and TEXT_OF_MESSAGE .
12 Answers
...
UUID max character length
We are using UUID as primary key for out oracle DB, and trying to determine an appropriate max character length for the VARCHAR. Apparently this is 36 characters but we have noticed UUID'S generated which are longer than this - up to 60 characters in length.
Does anyone know a suitable max char leng...
How to use multiple AWS Accounts from the command line?
...es:
-K <private key>
-C <certificate>
You can put these inside aliases, e.g.
alias ec2-describe-instances1 ec2-describe-instances -K /path/to/key.pem
share
|
improve this answer
...
Android detect Done key press for OnScreen Keyboard
...
Yes, it is possible:
editText = (EditText) findViewById(R.id.edit_text);
editText.setOnEditorActionListener(new TextView.OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IM...
Why can tuples contain mutable items?
...e key insight is that tuples have no way of knowing whether the objects inside them are mutable. The only thing that makes an object mutable is to have a method that alters its data. In general, there is no way to detect this.
Another insight is that Python's containers don't actually contain any...