大约有 45,000 项符合查询结果(耗时:0.0514秒) [XML]

https://stackoverflow.com/ques... 

When do I use fabs and when is it sufficient to use std::abs?

... In C++, it's always sufficient to use std::abs; it's overloaded for all the numerical types. In C, abs only works on integers, and you need fabs for floating point values. These are available in C++ (along with all of the C library...
https://stackoverflow.com/ques... 

Error: “Cannot modify the return value” c#

...erty you're accessing a copy of the value held by the class, not the value itself as you would with a reference type (class), so if you set the X property on it then you're setting the property on the copy and then discarding it, leaving the original value unchanged. This probably isn't what you int...
https://stackoverflow.com/ques... 

Tools to selectively Copy HTML+CSS+JS From A Specific Element of DOM [closed]

Like most web developers, I occasionally like to look at the source of websites to see how their markup is built. Tools like Firebug and Chrome Developer Tools make it easy to inspect the code, but if I want to copy a specific section and play around with it locally, it would be a pain to copy all t...
https://stackoverflow.com/ques... 

Make var_dump look pretty

...$data =\n" . var_export($data, true) . ";\n?>"); You can do the same with print_r(). For var_dump() you would just need to add the <pre> tags: echo '<pre>'; var_dump($data); echo '</pre>'; share ...
https://stackoverflow.com/ques... 

How to find encoding of a file via script on Linux?

... Sounds like you're looking for enca. It can guess and even convert between encodings. Just look at the man page. Or, failing that, use file -i (linux) or file -I (osx). That will output MIME-type information for the file, which will also include the character-s...
https://stackoverflow.com/ques... 

How to Configure SSL for Amazon S3 bucket

...plication. Now my question is: I want to access my S3 bucket using SSL. Is it possible to implement SSL for an Amazon s3 bucket? ...
https://stackoverflow.com/ques... 

Creating a new DOM element from an HTML string using built-in DOM methods or Prototype

...representing an element: '<li>text</li>' . I'd like to append it to an element in the DOM (a ul in my case). How can I do this with Prototype or with DOM methods? ...
https://stackoverflow.com/ques... 

What does the exclamation mark mean in a Haskell declaration?

I came across the following definition as I try to learn Haskell using a real project to drive it. I don't understand what the exclamation mark in front of each argument means and my books didn't seem to mention it. ...
https://stackoverflow.com/ques... 

Checking if an Android application is running in the background

By background, I mean none of the application's activities are currently visible to the user? 30 Answers ...
https://stackoverflow.com/ques... 

Creating folders inside a GitHub repository without using Git

I want to add a new folder to my newly created GitHub repository without installing the Git setup for (Mac, Linux, and Windows). Is it possible to do so? ...