大约有 47,000 项符合查询结果（耗时：0.0460秒） [XML]
What is the difference between JavaScript and ECMAScript?
What's the difference between ECMAScript and JavaScript? From what I've deduced, ECMAScript is the standard and JavaScript is the implementation. Is this correct?
...
Why can a function modify some arguments as perceived by the caller, but not others?
I'm trying to understand Python's approach to variable scope. In this example, why is f() able to alter the value of x , as perceived within main() , but not the value of n ?
...
How do I add a library project to Android Studio?
How do I add a library project (such as Sherlock ABS) to Android Studio ?
30 Answers
...
Converting Storyboard from iPhone to iPad
...
I found out a kind of solution:
Duplicate your iPhone-Storyboard and rename it MainStoryboard_iPad.storyboard
Close Xcode and then open this file any text editor.
Search for targetRuntime="iOS.CocoaTouch"and change it to targetRuntime="iOS.CocoaTouch.iPad"
Change the code in the MainStoryb...
Javascript seconds to minutes and seconds
...seconds by 60 (60 seconds/minute):
var minutes = Math.floor(time / 60);
And to get the remaining seconds, multiply the full minutes with 60 and subtract from the total seconds:
var seconds = time - minutes * 60;
Now if you also want to get the full hours too, divide the number of total seconds...
How to check SQL Server version
...ways to see the version:
Method 1: Connect to the instance of SQL Server, and then run the following query:
Select @@version
An example of the output of this query is as follows:
Microsoft SQL Server 2008 (SP1) - 10.0.2531.0 (X64) Mar 29 2009
10:11:52 Copyright (c) 1988-2008 Microsoft Corp...
Maven Snapshot Repository vs Release Repository
What is the difference between a Snapshot Repository and Release Repository?
5 Answers
...
C++ performance challenge: integer to std::string conversion
...e very fast, can take 100 clockticks when linking CRT as a static library, and as much as 300 clockticks when linking as a DLL.
For the same reason, returning by reference is better because it avoids an assignment, a constructor and a destructor.
...
Purpose of Unions in C and C++
...ed unions earlier comfortably; today I was alarmed when I read this post and came to know that this code
15 Answers
...
What is in your .vimrc? [closed]
Vi and Vim allow for really awesome customization, typically stored inside a .vimrc file. Typical features for a programmer would be syntax highlighting, smart indenting and so on.
...