大约有 40,000 项符合查询结果(耗时:0.0253秒) [XML]

https://stackoverflow.com/ques... 

What's the difference between globals(), locals(), and vars()?

... the same dict each time - it's attached to the stack frame object as its f_locals attribute. The dict's contents are updated on each locals() call and each f_locals attribute access, but only on such calls or attribute accesses. It does not automatically update when variables are assigned, and assi...
https://stackoverflow.com/ques... 

Are static class variables possible in Python?

... if it's a subclass. A static method lacks this information, so it cannot call an overridden method, for example. – Seb Oct 2 '12 at 15:58 ...
https://stackoverflow.com/ques... 

Saving images in Python at a very high quality

...nd trying to get good figures in a latex document, save as an eps. Specifically, try something like this after running the commands to plot the image: plt.savefig('destination_path.eps', format='eps') I have found that eps files work best and the dpi parameter is what really makes them look good ...
https://stackoverflow.com/ques... 

MongoDB/Mongoose querying at a specific date?

...onents. To query those times you need to create a date range that includes all moments in a day. db.posts.find( //query today up to tonight {"created_on": {"$gte": new Date(2012, 7, 14), "$lt": new Date(2012, 7, 15)}}) s...
https://stackoverflow.com/ques... 

Why do some C# lambda expressions compile to static methods?

...l implementation most likely varies slightly): private class <Main>b__0 { public int age; public void withClosure(string s) { Console.WriteLine("My name is {0} and I am {1} years old", s, age) } } private static class <Main>b__1 { public static void withoutC...
https://stackoverflow.com/ques... 

What are the GCC default include directories?

... There is a command with a shorter output, which allows to automatically cut the include pathes from lines, starting with a single space: $ echo | gcc -Wp,-v -x c++ - -fsyntax-only ignoring nonexistent directory "/usr/lib/gcc/x86_64-redhat-linux/4.8.2/include-fixed" ignori...
https://stackoverflow.com/ques... 

Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?

...errupt the entire iPython Notebook server. This will stop iPython Notebook alltogether, which means it won't be possible to restart or save your work, so this is obviously not a great solution (you need to hit CTRL+C twice because it's a safety feature so that people don't do it by accident). In cas...
https://stackoverflow.com/ques... 

Collection that allows only unique items in .NET?

... If all you need is to ensure uniqueness of elements, then HashSet is what you need. What do you mean when you say "just a set implementation"? A set is (by definition) a collection of unique elements that doesn't save element ...
https://stackoverflow.com/ques... 

Create list of single item repeated N times

I want to create a series of lists, all of varying lengths. Each list will contain the same element e , repeated n times (where n = length of the list). ...
https://stackoverflow.com/ques... 

How to get a reference to current module's attributes in Python

...he way I typically see this done is like this: import sys dir(sys.modules[__name__]) share | improve this answer | follow | ...