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Re-doing a reverted merge in Git
...n you're ready for it. The only downside here is that you'll a have a few extra merge/revert commits in your history.
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Can a pointer to base point to an array of derived objects?
...= 0; i < 10; ++i) shapes[i]->draw();
}
Note that you have to do an extra step of initializing the Rectangle, since initializing the array only sets up the pointers, and not the objects themselves.
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Multiple models in a view
... can cache the RenderAction results so the only hit you take is the slight extra processing via the controller factory.
– TheRightChoyce
Jan 24 '11 at 18:14
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How to @link to a Enum Value using Javadoc
... Cmd + Shift + O (on Mac) auto-adjust your imports (this means if you have extra imports not being used, they're removed, as well as adding any imports you need).
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Confusion between numpy, scipy, matplotlib and pylab
...ort matplotlib.pyplot as plt.
Pylab is the same thing as pyplot, but with extra features (its use is currently discouraged).
pylab = pyplot + numpy
See more information here: Matplotlib, Pylab, Pyplot, etc: What's the difference between these and when to use each?
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Sending a message to nil in Objective-C
...ethods all return 0 when you've got a nil value, so you do not have to add extra checks for nil all over:
if ( [myString length] > 0 )
or this:
return [myArray count]; // say for number of rows in a table
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Should a return statement be inside or outside a lock?
...e of the try/finally - however, the return outside the lock still requires extra locals which can't be optimised away - and takes more code...
– Marc Gravell♦
Nov 5 '08 at 21:18
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Why does a function with no parameters (compared to the actual function definition) compile?
...se mislead by^W^Wfond of C++ may cringe, though, because they need to type extra characters when they try to exercise their foreign language skills :-)
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Pretty git branch graphs
...e one line to the point answer without having to setup aliases or anything extra, here it is:
git log --all --decorate --oneline --graph
Not everyone would be doing a git log all the time, but when you need it just remember:
"A Dog" = git log --all --decorate --oneline --graph
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Best way to remove from NSMutableArray while iterating?
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Extra memory needs to be allocated to do inverse. It's not an in-place algorithm and not a good idea in some cases. When you remove directly you just shift the array (which is very efficient since it won't move one by one, it...