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What does “program to interfaces, not implementations” mean?
...er.
EDIT
I have updated the example above and added an abstract Speaker base class. In this update, I added a feature to all Speakers to "SayHello". All speaker speak "Hello World". So that's a common feature with similar function. Refer to the class diagram and you'll find that Speaker abstract ...
WatiN or Selenium? [closed]
...ion tools are independent projects; there are 2 that I know of: Wax (Excel based, hosted on CodePlex) and WatiN Test Record (hosted on SourceForge). Neither is as robust as Selenium IDE.
Very good IE support. Can attach and detach to/from running instances. Can access native window handles etc. (Se...
How to override the [] operator in Python?
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How can I have a newline in a string in sh?
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What I did based on the other answers was
NEWLINE=$'\n'
my_var="__between eggs and bacon__"
echo "spam${NEWLINE}eggs${my_var}bacon${NEWLINE}knight"
# which outputs:
spam
eggs__between eggs and bacon__bacon
knight
...
How do I use vi keys in ipython under *nix?
...ile. You can add
set editing-mode vi
to that file to make all readline based applications use vi style keybindings instead of Emacs.
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Converting XML to JSON using Python?
...ML to a dict+list+string structure, following this "standard". It is Expat-based, so it's very fast and doesn't need to load the whole XML tree in memory.
Once you have that data structure, you can serialize it to JSON:
import xmltodict, json
o = xmltodict.parse('<e> <a>text</a>...
How to Detect if I'm Compiling Code with a particular Visual Studio version?
...d do a runtime test. (If for some reason you wanted to run different code based on what compiler it was compiled with? Yeah, probably you were looking for the #ifdef. :))
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.NET 4.0 build issues on CI server
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Is there any difference between __DIR__ and dirname(__FILE__) in PHP?
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Is there an online name demangler for C++? [closed]
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This might be a bit late, but I created one, based on this question. It works with the inputs I tried on, supports g++ and msvc++ via __cxa_demangle and __unDName, compiled to Javascript via Emscripten. Hope this helps someone: c++filtjs
Edit: Fixed escaping problem
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