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Can anyone explain IEnumerable and IEnumerator to me? [closed]

...t's say you are running an airline company. And in each plane you want to know information about the passengers flying in the plane. Basically you want to be able to "traverse" the plane. In other words, you want to be able to start at the front seat, and to then work your way towards the back of th...
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How to undo 'git reset'?

...ned by checking out a particular commit (though that's not important right now). So, to undo the reset, run git reset HEAD@{1} (or git reset d27924e). If, on the other hand, you've run some other commands since then that update HEAD, the commit you want won't be at the top of the list, and you'll n...
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Adding new column to existing DataFrame in Python pandas

... did it wrong (it can trigger false positives) but from 0.13.0 it let you know there are more adequate methods for the same purpose. Then, if you get the warning, just follow its advise: Try using .loc[row_index,col_indexer] = value instead >>> df1.loc[:,'f'] = pd.Series(np.random.randn(sL...
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How to bring back “Browser mode” in IE11?

... back the old dev tools is no longer necessary, since the new dev tools do now have the feature he was missing. [ORIGINAL ANSWER] The IE devs have deliberately deprecated the ability to switch browser mode. There are not many reasons why people would be switching modes in the dev tools, but one ...
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What is the best way to solve an Objective-C namespace collision?

...er classes in that first framework which reference the renamed class would now reference the class from the other framework. You wouldn't need to copy or rename a class if there were a way to copy the data pointed to by an IMP. You could create a new class and then copy over ivars, methods, propert...
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Matplotlib discrete colorbar

... @GeorgeLiu Indeed you were write ! I did a copy/paste mistake and it is now fxed ! The snippet of code is now running ! Regarding pos I am not entirely sure of why it is here but it is requested by the FuncFormatter()... Maybe someone else can enlighten us about it ! – Enzo...
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What does DIM stand for in Visual Basic and BASIC?

...uth BASIC, which descended from FORTRAN, where DIMENSION is spelled out.) Nowadays, Dim is used to define any variable, not just arrays, so its meaning is not intuitive anymore. share | improve thi...
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How to reduce iOS AVPlayer start delay

... any given time have a maximum of 2 AVPlayers loaded. Of course I don't know whether the switching can be done so smoothly that it does not disturb playback. (Would have added this as a comment if I could.) Best, Peter ...
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How to format current time using a yyyyMMddHHmmss format?

... I did not know the sequential mnemonic, handy, but come on why is it not the 1st February... – silasdavis Aug 10 '18 at 13:08 ...
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Use 'import module' or 'from module import'?

... No, in the last example, the name 'foo' is unknown – Ghislain Leveque Jan 11 '16 at 13:59 33 ...