大约有 44,868 项符合查询结果（耗时：0.0482秒） [XML]
Retain cycle on `self` with blocks
I'm afraid this question is pretty basic, but I think it's relevant to a lot of Objective-C programmers who are getting into blocks.
...
Why is the shovel operator (
...follow
|
edited Jan 13 '11 at 22:54
answered Jan 13 '11 at 19:46
...
Is it feasible to compile Python to machine code?
How feasible would it be to compile Python (possibly via an intermediate C representation) into machine code?
12 Answers
...
How to get active user's UserDetails
...
Preamble: Since Spring-Security 3.2 there is a nice annotation @AuthenticationPrincipal described at the end of this answer. This is the best way to go when you use Spring-Security >= 3.2.
When you:
use an older version of Spring-Security,
need to...
Prevent dialog dismissal on screen rotation in Android
I am trying to prevent dialogs built with Alert builder from being dismissed when the Activity is restarted.
11 Answers
...
List vs tuple, when to use each? [duplicate]
...neous collections, similar to what you'd use arrays for. But I've never quite squared this with the mutability issue mentioned in the other answers. Mutability has teeth to it (you actually can't change a tuple), while homogeneity is not enforced, and so seems to be a much less interesting distinc...
Resetting remote to a certain commit
I want to discard all changes done after commit <commit-hash> .
So I did:
9 Answers
...
How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
...
I had the same problem and solved it by creating an environment variable to be loaded every time I logged in to the production server, and made a mini-guide of the steps to configure it:
I was using Rails 4.1 with Unicorn v4.8.2 and when I tried to deploy my...
Play audio with Python
How can I play audio (it would be like a 1 second sound) from a Python script?
22 Answers
...
Is it possible to install iOS 6 SDK on Xcode 5?
...w one to download iPhone 6.1 simulator, however I can't find a place where it allows downloading of iOS 6 SDK, thus it is not possible to set the active SDK to iOS 6 when developing with Xcode 5. Is there a workaround that would allow Xcode 5 to install iOS 6 SDK?
...