大约有 45,000 项符合查询结果(耗时:0.0654秒) [XML]

https://stackoverflow.com/ques... 

How to implement an STL-style iterator and avoid common pitfalls?

... made a collection for which I want to provide an STL-style, random-access iterator. I was searching around for an example implementation of an iterator but I didn't find any. I know about the need for const overloads of [] and * operators. What are the requirements for an iterator to be "STL-st...
https://stackoverflow.com/ques... 

The data-toggle attributes in Twitter Bootstrap

What does data-toggle attributes do in Twitter Bootstrap? I couldn't find an answer in Bootstrap API. 10 Answers ...
https://stackoverflow.com/ques... 

Why there is no ForEach extension method on IEnumerable?

...s the job most of the time. I'd hate to see the following: list.ForEach( item => { item.DoSomething(); } ); Instead of: foreach(Item item in list) { item.DoSomething(); } The latter is clearer and easier to read in most situation, although maybe a bit longer to type. However, I ...
https://stackoverflow.com/ques... 

How do I download a package from apt-get without installing it? [closed]

I have a computer without a NIC , and I want to install some programs in it via USB memory, but how can I download a program from apt-get without installing it? ...
https://stackoverflow.com/ques... 

Resolve absolute path from relative path and/or file name

... interpret the first argument relative to the path of the executing batch. It does have a shortcoming though: it miserably fails if the first argument is fully-qualified. If you need to support both relative and absolute paths, you can make use of Frédéric Ménez's solution: temporarily change th...
https://stackoverflow.com/ques... 

Send and receive messages through NSNotificationCenter in Objective-C?

...nter defaultCenter] removeObserver:self]; [super dealloc]; } - (id) init { self = [super init]; if (!self) return nil; // Add this instance of TestClass as an observer of the TestNotification. // We tell the notification center to inform us of "TestNotification" // notifica...
https://stackoverflow.com/ques... 

What is Serialization?

I am getting started with Object-Oriented Programming (OOP) and would like to know: what is the meaning of serialization in OOP parlance? ...
https://stackoverflow.com/ques... 

Test for existence of nested JavaScript object key

... You have to do it step by step if you don't want a TypeError because if one of the members is null or undefined, and you try to access a member, an exception will be thrown. You can either simply catch the exception, or make a function to ...
https://stackoverflow.com/ques... 

Command not found when using sudo

...ied In order to run a script the file must have an executable permission bit set. In order to fully understand Linux file permissions you can study the documentation for the chmod command. chmod, an abbreviation of change mode, is the command that is used to change the permission settings of a fil...
https://stackoverflow.com/ques... 

Why does Java allow us to compile a class with a name different than the file name?

I have a file Test.java and the following code inside it. 8 Answers 8 ...