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Space between two rows in a table?

...class spaceUnder. This will make it possible to use nested tables. (Cell C and D in the example code.) I'm not too sure about browser support for the direct child selector (think IE 6), but it shouldn't break the code in any modern browsers. /* Apply padding to td elements that are direct child...
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Assign variable in if condition statement, good practice or not? [closed]

...ng whatever the value evaluates to be after the assignment. Is this understanding right? – Michael Mao Apr 5 '10 at 2:10 ...
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What is the documents directory (NSDocumentDirectory)?

Can someone explain to me what the documents directory is on an iOS app and when to use it? 9 Answers ...
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Is std::vector copying the objects with a push_back?

... Yes, std::vector<T>::push_back() creates a copy of the argument and stores it in the vector. If you want to store pointers to objects in your vector, create a std::vector<whatever*> instead of std::vector<whatever>. However, you need to make sure that the objects referenced...
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while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?

...hat the compiler would generate the same byte code for while(True): pass and while(1): pass , but this is actually not the case in python2.7. ...
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Fastest way to get the first object from a queryset in django?

... Use the convenience methods .first() and .last(): MyModel.objects.filter(blah=blah).first() They both swallow the resulting exception and return None if the queryset returns no objects. These were added in Django 1.6, which was released in Nov 2013. ...
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Are non-synchronised static methods thread safe if they don't modify static class variables?

...lity, etc. This method only operates on parameters, which reside on stack and references to immutable objects on heap. Stack is inherently local to the thread, so no sharing of data occurs, ever. Immutable objects (String in this case) are also thread-safe because once created they can't be change...
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Sublime as default editor

...Navigate to HKEY_CLASSES_ROOT\Applications\sublime_text.exe\shell\open\command Verify that the path is accurate, correct it if it is not. Exit regedit. Open task manager via Ctrl+Alt+Del (or Ctrl+Shift+Esc for later versions of Windows), kill explorer.exe, go to run (Win+R) and type "explorer.exe" (...
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Restore a postgres backup file using the command line?

I'm new to postgresql, and locally, I use pgadmin3. On the remote server, however, I have no such luxury. 24 Answers ...
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How to create standard Borderless buttons (like in the design guideline mentioned)?

I was just checking the design guidelines and wondering about the borderless buttons. I goggled and tried to find in the source but can't bring it together by myself. Is this the normal Button widget but you add a custom (Android default) style? How to make these borderless buttons (of course you ca...