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How to do SELECT COUNT(*) GROUP BY and ORDER BY in Django?
...by, generating a queryset of authors, add the annotation (this will add an extra field to the returned values) and finally, you order them by this value
Refer to https://docs.djangoproject.com/en/dev/topics/db/aggregation/ for more insight
Good to note: if using Count, the value passed to Count does...
Rails: Is there a rails trick to adding commas to large numbers?
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Sure, it reverses the string, then adds a comma after any sequence of 3 digits that is also followed by another digit, then reverses it back.
– pguardiario
Feb 22 '13 at 0:04
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Run function from the command line
...function
This works because you are passing the command line argument (a string of the function's name) into locals, a dictionary with a current local symbol table. The parantheses at the end will make the function be called.
update: if you would like the function to accept a parameter from the c...
C++11 rvalues and move semantics confusion (return statement)
... This is pretty huge for returning expensive objects like containers & strings by value efficiently from methods.
Now where things get interesting with rvalue references, is that you can also use them as arguments to normal functions. This allows you to write containers that have overloads for...
Is using Random and OrderBy a good shuffle algorithm?
...Or you could replace the > 0 with >= 0 and not have to (although, an extra RNG hit plus a redundant assignment)
– FryGuy
Nov 29 '09 at 20:40
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HTML/CSS: Making two floating divs the same height
...e quotes around the attributes. Also worth noting is that you dont need an extra element with clear on in order to clear the internal floats of the container. If you use overflow hidden this clears the floats in all non-IE browsers and then just adding something to give hasLayout such as width or zo...
difference between width auto and width 100 percent
...rders.
width: 100%; will make the element as wide as the parent container. Extra spacing will be added to the element's size without regards to the parent. This typically causes problems.
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annotation to make a private method public only for test classes [duplicate]
...uts extra burden on the programmer to remember if refactoring is done, the strings aren't automatically changed, but I think it's the cleanest approach.
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How can I add an element after another element?
... it. I'd normally have the '#bla' input selected already, and then add the extra content afterwards. Purely my preference though, I'm not sure whether either method has a speed benefit.
– Rowan
Feb 11 '10 at 13:25
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Hide div after a few seconds
...s rare that I ever use timers in my code, having that plugin around (read: extra code, bloat) for those few times does not outweigh the cost. If you were writing a lot of code that needed to use timers, and were using jQuery, I can see why this plugin would be very useful to keep with the jQuery syn...