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What do commas and spaces in multiple classes mean in CSS?
...{ ... }
A comma, as others have stated, is a way to apply rules to many different nodes at one time. In this case, the rules apply to any node with either a class of container_12 or grid_6.
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Python Nose Import Error
...e got an __init__.py in your top level directory. That makes it a package. If you remove it, your nosetests should work.
If you don't remove it, you'll have to change your import to import dir.foo, where dir is the name of your directory.
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How do you validate a URL with a regular expression in Python?
... punctuation, you still have a valid URL.
Check the RFC carefully and see if you can construct an "invalid" URL. The rules are very flexible.
For example ::::: is a valid URL. The path is ":::::". A pretty stupid filename, but a valid filename.
Also, ///// is a valid URL. The netloc ("hostn...
Python argparse: How to insert newline in the help text?
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If you just want to override the one option, you should not use RawTextHelpFormatter. Instead subclass the HelpFormatter and provide a special intro for the options that should be handled "raw" (I use "R|rest of help"):
impo...
Commands out of sync; you can't run this command now
...ysqli, and get the error "Commands out of sync; you can't run this command now".
20 Answers
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Event system in Python
...5
PyDispatcher 2.0.5: 2015
pymitter 0.2.3: 2014
dispatcher 1.0: 2012
py-notify 0.3.1: 2008
There's more
That's a lot of libraries to choose from, using very different terminology (events, signals, handlers, method dispatch, hooks, ...).
I'm trying to keep an overview of the above packages, plus the...
What are all the uses of an underscore in Scala?
...ed a curious question: " Can you name all the uses of “_”? ". Can you? If yes, please do so here. Explanatory examples are appreciated.
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Compelling examples of custom C++ allocators?
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The original link is now defunct, but CiteSeer has the PDF: citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.71.8289
– Arto Bendiken
Apr 4 '13 at 1:06
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Comparing strings with == which are declared final in Java
...l runtime, thus leading to the creation of a new String object. You can verify this by comparing byte code of both the codes.
The first code example (non-final version) is compiled to the following byte code:
Code:
0: ldc #2; //String str
2: astore_1
3: ldc #3; //String in...
MFC CSplitterWnd的用法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...// TODO: Add your specialized code here and/or call the base class
if (!m_wndSplitter.CreateStatic(this, 1, 2))
return FALSE;
if (!m_wndSplitter.CreateView(0, 0, RUNTIME_CLASS(CLeftView), CSize(160, 200), pContext) ||
!m_wndSplitter.CreateView(0, 1, RUNTIME_CLASS(...