大约有 16,800 项符合查询结果（耗时：0.0217秒） [XML]
What is a Context Free Grammar?
Can someone explain to me what a context free grammar is? After looking at the Wikipedia entry and then the Wikipedia entry on formal grammar, I am left utterly and totally befuddled. Would someone be so kind as to explain what these things are?
...
Automatic counter in Ruby for each?
I want to use a for-each and a counter:
8 Answers
8
...
Is Meyers' implementation of the Singleton pattern thread safe?
Is the following implementation, using lazy initialization, of Singleton (Meyers' Singleton) thread safe?
6 Answers
...
best way to add license section to iOS settings bundle
My iOS application uses a number of third party components licensed under Apache 2.0 and similar licenses, which requires me to include various bits of text, this kind of thing:
...
Elegant setup of Python logging in Django
I have yet to find a way of setting up Python logging with Django that I'm happy with. My requirements are fairly simple:
4...
Find nearest value in numpy array
Is there a numpy-thonic way, e.g. function, to find the nearest value in an array?
16 Answers
...
Finding most changed files in Git
How can I show files in Git which change most often?
9 Answers
9
...
Twitter Bootstrap modal: How to remove Slide down effect
Is there a way to change the Twitter Bootstrap Modal window animation from a slide down effect to a fadeIn or just display without the Slide? I read through the documentation here:
...
Open Cygwin at a specific folder
How can I create a Cygwin shortcut that will open Cygwin at a specific folder? This would obviate having to type
28 Answers...
JavaScript: Get image dimensions
...nly have a URL to an image. I need to determine the height and width of this image using only JavaScript. The image cannot be visible to the user on the page. How can I get its dimensions?
...