大约有 44,000 项符合查询结果(耗时:0.0480秒) [XML]

https://stackoverflow.com/ques... 

Do Java arrays have a maximum size?

...es makes no sense unless we are willing to downvote answers that are plain and simply wrong. Does the difference of five bytes actually matter in the real world, NO, of course not. But it concerns me that people are willing to give an answer "authoritatively" without even trying it to see if it rea...
https://stackoverflow.com/ques... 

Why does C# forbid generic attribute types?

...t's not a CLI issue. The CLI spec doesn't mention it (as far as I can see) and if you use IL directly you can create a generic attribute. The part of the C# 3 spec that bans it - section 10.1.4 "Class base specification" doesn't give any justification. The annotated ECMA C# 2 spec doesn't give any ...
https://stackoverflow.com/ques... 

Setup RSpec to test a gem (not Rails)

... used Bundler ( bundle gem my_gem ) to setup the structure for the new gem and edit the *.gemspec manually. I also added s.add_development_dependency "rspec", ">= 2.0.0" to gemspec and did a bundle install . ...
https://stackoverflow.com/ques... 

Setting Windows PowerShell environment variables

...nd out that setting the PATH environment variable affects only the old command prompt. PowerShell seems to have different environment settings. How do I change the environment variables for PowerShell (v1)? ...
https://stackoverflow.com/ques... 

How do Python functions handle the types of the parameters that you pass in?

...tely use an object of a type "as if" it was an object of a different type, and all elementary operations on the object are delegated to its type. This has nothing to do with names. A name in Python doesn't "have a type": if and when a name's defined, the name refers to an object, and the object do...
https://stackoverflow.com/ques... 

Programmatically set the initial view controller using Storyboards

...rdFile 'MainStoryboard' - perhaps the designated entry point is not set? And you'll notice that your window property in the app delegate is now nil. In the app's setting, go to your target and the Info tab. There clear the value of Main storyboard file base name. On the General tab, clear the val...
https://stackoverflow.com/ques... 

How does C compute sin() and other math functions?

I've been poring through .NET disassemblies and the GCC source code, but can't seem to find anywhere the actual implementation of sin() and other math functions... they always seem to be referencing something else. ...
https://stackoverflow.com/ques... 

Use different Python version with virtualenv

... edited Dec 4 '18 at 19:54 wjandrea 12.3k55 gold badges2424 silver badges4747 bronze badges answered Oct 7 '09 at 21:33 ...
https://stackoverflow.com/ques... 

Executing elements inserted with .innerHTML

...e's a script that does: exec_body_scripts: function(body_el) { // Finds and executes scripts in a newly added element's body. // Needed since innerHTML does not run scripts. // // Argument body_el is an element in the dom. function nodeName(elem, name) { return elem.nodeName &&am...
https://stackoverflow.com/ques... 

Save ArrayList to SharedPreferences

...ist with custom objects. Each custom object contains a variety of strings and numbers. I need the array to stick around even if the user leaves the activity and then wants to come back at a later time, however I don't need the array available after the application has been closed completely. I save...