大约有 41,000 项符合查询结果（耗时：0.0504秒） [XML]
Javascript - How to detect if document has loaded (IE 7/Firefox 3)
I want to call a function after a document loads, but the document may or may not have finished loading yet. If it did load, then I can just call the function. If it did NOT load, then I can attach an event listener. I can't add an eventlistener after onload has already fired since it won't get cal...
Draw a perfect circle from user's touch
I have this practice project that allows the user to draw on the screen as they touch with their fingers. Very simple App I did as exercise way back.
My little cousin took the liberty of drawing things with his finger with my iPad on this App (Kids drawings: circle, lines, etc, whatever came to his ...
Asking the user for input until they give a valid response
I am writing a program that accepts an input from the user.
21 Answers
21
...
Why does MSBuild look in C:\ for Microsoft.Cpp.Default.props instead of c:\Program Files (x86)\MSBui
When I run msbuild to build a vc2010 project I get the following error:
20 Answers
20
...
Understanding Python super() with __init__() methods [duplicate]
I'm trying to understand the use of super() . From the looks of it, both child classes can be created, just fine.
7 Answe...
Character reading from file in Python
In a text file, there is a string "I don't like this".
8 Answers
8
...
Installing in Homebrew errors
Attempting to install rvm and ruby 1.9.2
8 Answers
8
...
“VT-x is not available” when i start my Virtual machine [closed]
I have created a virtual machine using the VMWare software and getting an error while starting the Virtual Machine. It says "VT-x is not available:
...
What it the significance of the Javascript constructor property?
Trying to bend by head around Javascript's take on OO...and, like many others, running into confusion about the constructor property. In particular, the significance of the constructor property, as I can't seem to make it have any effect. E.g.:
...
How does JavaScript .prototype work?
I'm not that into dynamic programming languages but I've written my fair share of JavaScript code. I never really got my head around this prototype-based programming, does any one know how this works?
...