大约有 32,000 项符合查询结果（耗时：0.0409秒） [XML]
Get/pick an image from Android's built-in Gallery app programmatically
I am trying to open an image / picture in the Gallery built-in app from inside my application.
19 Answers
...
The differences between .build, .create, and .create! and when should they be used?
...< 3.x
The most important part, however, is that these methods can be called through an association (has_many, etc.) to automatically link the two models.
share
|
improve this answer
|
...
MySQL error: key specification without a key length
...h as VARCHAR(512) will force MySQL to auto-convert the VARCHAR(512) to a SMALLTEXT datatype, which subsequently fails with error 1170 on key length if the column is used as primary key or unique or non-unique index. To solve this problem, specify a figure less than 256 as the size for VARCHAR field....
Editing Javascript using Chrome Developer Tools
... and found the solution.
If you have the file prettified, Chrome will not allow edits. I turned it off and was able to edit. Willing to bet this is/was your problem.
share
|
improve this answer
...
.NET JIT potential error?
...di
00000012 push esi
00000013 mov ecx,ebx
00000015 call dword ptr ds:[00170210h] ; first unrolled call
0000001b push edi ; WRONG! does not increment oVec.y
0000001c push esi
0000001d mov ecx,ebx
0000001f ca...
Polymorphism with gson
...mmands. The command can be start, stop , some other type of command. Naturally I have polymorphism, and start/stop command inherit from command.
...
Twitter Bootstrap: div in container with 100% height
...
The #map is actually obscured behind the navbar in this example.
– Ethereal
May 7 '13 at 19:57
|...
How to write asynchronous functions for Node.js
...difference is that they are not executed immediately but passed around as callbacks.
How should I implement error event handling correctly
Generally API's give you a callback with an err as the first argument. For example
database.query('something', function(err, result) {
if (err) handle(e...
Why doesn't Haskell's Prelude.read return a Maybe?
...ersions floating around many codebases).
See also this discussion.
Personally, I use the version from the safe package.
share
|
improve this answer
|
follow
...
Naming convention for Scala constants?
...
The officially recommended style (and I do mean officially) is the first style, camel case with first letter are upper case. It's laid down clearly by Odersky on Programming in Scala.
The style is also followed by the standard library...