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What are the rules for calling the superclass constructor?

What are the C++ rules for calling the superclass constructor from a subclass one? 10 Answers ...
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Ruby on Rails: Delete multiple hash keys

...re unaware of the Hash#except method ActiveSupport adds to Hash. It would allow your code to be simplified to: redirect_to my_path(params.except(:controller, :action, :other_key)) Also, you wouldn't have to monkey patch, since the Rails team did it for you! ...
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Can Selenium Webdriver open browser windows silently in background?

...um RC? You can 'supposedly', pass in some parameters into Chrome, specifically: --no-startup-window Note that for some browsers, especially IE, it will hurt your tests to not have it run in focus. You can also hack about a bit with AutoIT, to hide the window once it's opened. ...
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Eclipse executable launcher error: Unable to locate companion shared library

I had Eclipse Indigo installed on my computer with the Android plugin and it was working perfectly for about two weeks. Today, I updated java and quicktime then restarted my computer. When it booted back up, eclipse had completely vanished - all the program files have completely disappeared. When I ...
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How to return a value from __init__ in Python?

I have a class with an __init__ function. 10 Answers 10 ...
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What is __future__ in Python used for and how/when to use it, and how it works

__future__ frequently appears in Python modules. I do not understand what __future__ is for and how/when to use it even after reading the Python's __future__ doc . ...
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Keyboard shortcuts in WPF

I know about using _ instead of & , but I'm looking at all the Ctrl + type shortcuts. 10 Answers ...
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Can I mix MySQL APIs in PHP?

...where. (Not sure whether plain old resources do that, but objects can actually take advantage of RAII to a not-insignificant degree.) – cHao Jul 5 '13 at 23:54 ...
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How do I get the row count of a pandas DataFrame?

...[0].count()", "len(data.index)"], xlabel="data rows" ) EDIT: As @Dan Allen noted in the comments len(df.index) and df[0].count() are not interchangeable as count excludes NaNs, share | improve...
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How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?

Is there a way to call a block with a primitive parameter after a delay, like using performSelector:withObject:afterDelay: but with an argument like int / double / float ? ...