I've been scouring the net, and can't seem to wrap my head around the idea of a callback URL. In my case I have a few callback URLs that I have to define myself. A popular one is a "default callback URL". What is this exactly? Can you give an example in plain english? ...

I want to write a script that loops through 15 strings (array possibly?) Is that possible? 19 Answers ...

How do you check whether a file is a normal file or a directory using python? 7 Answers ...

I want to view the folders and sub folders in GAC . Also want to know about adding and removing from GAC . 5 Answers ...

...解C语言有帮助。这篇文章产生的背景是在微博上，看到@Laruence同学出了一个关于C语言的题，微博链接。微博截图如下。我觉得好多人对这段代码的理解还不够深入，所以写下了这篇文章。 为了方便你把代码copy过去编译和调...

In Bash, # is used to comment the following. How do I make a comment on the Windows command line? 7 Answers ...

I have a list of pairs (a, b) that I would like to plot with matplotlib in python as actual x-y coordinates. Currently, it is making two plots, where the index of the list gives the x-coordinate, and the first plot's y values are the a s in the pairs and the second plot's y values are the b s ...

I would like to know how to check if an array is empty or null in jQuery. I tried array.length === 0 but it didn't work. It did not throw any error either. ...

I have a set of tiles that display a certain number depending on which option is selected by the user. I would now like to implement a sort by whatever number is shown. ...

I want to write a new templating language, and I want Visual Studio to "support" it. What I need to know is: 7 Answers ...