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Rotating a two-dimensional array in Python
...tual list. So:
rotated = list(reversed(list(zip(*original))))
We can simplify that a bit by using the "Martian smiley" slice rather than reversed()... then we don't need the outer list():
rotated = list(zip(*original))[::-1]
Of course, you could also simply rotate the list clockwise three times. :...
When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
...se. That is without the examples, I was still unsure, but with them, I am now sure about what the other answers mean.
– Solx
Apr 29 '14 at 14:41
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Is there a difference between single and double quotes in Java?
Is there a difference between single and double quotes in Java?
4 Answers
4
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Set folder browser dialog start location
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This is however not the same as setting RootFolder. If RootFolder is set, only the specified folder and any subfolders that are beneath it will appear in the dialog box. SelectedPath merely pre-selects the given path.
– Jan Gassen
Jul 31 ...
Rails 4: before_filter vs. before_action
...action not before_filter . It seems to do the same thing. So what's the difference between these two?
5 Answers
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schema builder laravel migrations unique on two columns
...e generated index names are in the format table_column1_column2...n_unique if anyone is unsure. Dropping the unique constraint would then be referencing that in $table->dropUnique('table_column1_column2...n_unique');
– Jonathan
May 5 '17 at 13:26
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pandas resample documentation
...and a section about resampling.
Note that there isn't a list of all the different how options, because it can be any NumPy array function and any function that is available via groupby dispatching can be passed to how by name.
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Android custom dropdown/popup menu
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Now it can also be used in lower versions ie below 3.0(honeycomb) by using the v7 compat support library..
– AndroidMech
Jun 6 '14 at 13:27
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Finding all cycles in a directed graph
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@Gleno Well, if you mean that you can use Tarjan to find all cycles in the graph instead of implementing the rest, you are wrong. Here, you can see the difference between strongly connected components and all cycles (The cycles c-d and g-...
PHP prepend associative array with literal keys?
... an associative array with literal key=>value pairs? I know that array_unshift() works with numerical keys, but I'm hoping for something that will work with literal keys.
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