大约有 40,000 项符合查询结果（耗时：0.0544秒） [XML]
unresolved reference to object [INFORMATION_SCHEMA].[TABLES]
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Socket.io rooms difference between broadcast.to and sockets.in
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Why does String.valueOf(null) throw a NullPointerException?
...erent things)
Using good IDE, you can check which overload is selected at compile time
With Eclipse, you can mouse-hover on the above expression and see that indeed, the valueOf(char[]) overload is selected!
Sometimes you want to explicitly cast null (examples to follow)
See also
Polymorphis...
How to delete (not cut) in Vim?
...tion, you could use <C-o>dw. <C-o> is used to execute a normal command without leaving the insert mode.
You can setup your own mappings to save typing, of course. I have these:
nnoremap <leader>d "_d
xnoremap <leader>d "_d
xnoremap <leader>p "_dP
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What should I use Android AccountManager for?
...re data across applications
Note: there are other methods of inter-process communication on Android.
ContentProvider schedules the database access in a background thread The AsyncQueryHanlder helps to query the ContentProvider in a background thread, preventing Application Not Responsive (ANR) error...
HTTP header line break style
...e terminator for message-header fields is the sequence CRLF. However, we recommend that applications, when parsing such headers, recognize a single LF as a line terminator and ignore the leading CR.
In the newer RFC7230, § 3.5
Although the line terminator for the start-line and header fields ...
How to hide “Showing 1 of N Entries” with the dataTables.js library
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Install Application programmatically on Android
...new Intent(Intent.ACTION_VIEW)
.setData(Uri.parse("market://details?id=com.package.name"));
startActivity(goToMarket);
source
However, you cannot install .apks without user's explicit permission; not unless the device and your program is rooted.
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