大约有 40,000 项符合查询结果(耗时:0.0692秒) [XML]

https://stackoverflow.com/ques... 

What does @hide mean in the Android source code?

...); } return PackageManager.PERMISSION_DENIED; } However, we can call it by reflection: Class c; c = Class.forName("android.app.ActivityManager"); Method m = c.getMethod("checkUidPermission", new Class[] {String.class, int.class}); Object o = m.invoke(null, new Object[]{"android.permissio...
https://stackoverflow.com/ques... 

What's best SQL datatype for storing JSON string?

... Certainly NOT: TEXT, NTEXT: those types are deprecated as of SQL Server 2005 and should not be used for new development. Use VARCHAR(MAX) or NVARCHAR(MAX) instead IMAGE, VARBINARY(MAX) : IMAGE is deprecated just like TEXT/NTEXT, and there's r...
https://stackoverflow.com/ques... 

Open files in 'rt' and 'wt' modes

... Gotcha, it's documented in python3 docs. So, there is basically no difference between wt vs w and rt vs r - just explicit is better than implicit? – alecxe Apr 14 '14 at 2:38 ...
https://stackoverflow.com/ques... 

Http Basic Authentication in Java using HttpClient?

...the builder while build the httpclient. Also I like it because it is per call scope. Not on the whole httpclient scope. – Tony Aug 15 '19 at 16:23 add a comment ...
https://stackoverflow.com/ques... 

How should I store GUID in MySQL tables?

... I could do the same thing in 4 bytes with an Integer. Since he put that challenge out there to me I thought now was a good time to mention it. That being said... You can store a guid as a CHAR(16) binary if you want to make the most optimal use of storage space. ...
https://stackoverflow.com/ques... 

Insert text with single quotes in PostgreSQL

...rsions or if you still run with standard_conforming_strings = off or, generally, if you prepend your string with E to declare Posix escape string syntax, you can also escape with the backslash \: E'user\'s log' Backslash itself is escaped with another backslash. But that's generally not preferabl...
https://stackoverflow.com/ques... 

Are Git forks actually Git clones?

... Fork, in the GitHub context, doesn't extend Git. It only allows clone on the server side. When you clone a GitHub repository on your local workstation, you cannot contribute back to the upstream repository unless you are explicitly declared as "contributor". That's because your cl...
https://stackoverflow.com/ques... 

How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?

... Assuming you've used home-brew to install and upgrade Postgres, you can perform the following steps. Stop current Postgres server: launchctl unload ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist Initialize a new 10.1 database: initdb /usr/local/var/pos...
https://stackoverflow.com/ques... 

Is it possible to run JavaFX applications on iOS, Android or Windows Phone 8?

...still thriving and it is easier than ever to run JavaFX on mobile devices, all thanks to the IDE plugins that is built on top of these SDKs and gets you started in a few minutes without the hassle of installing any SDK JavaFX 3D is now supported on mobile devices GluonVM to replace RoboVM enabling J...
https://stackoverflow.com/ques... 

Why is rbindlist “better” than rbind?

... rbindlist is an optimized version of do.call(rbind, list(...)), which is known for being slow when using rbind.data.frame Where does it really excel Some questions that show where rbindlist shines are Fast vectorized merge of list of data.frames by row Trouble...