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List comprehension: Returning two (or more) items for each item
... @khachik I think this would be faster but I will time both methods now, tuples are generated very fast in python though.
– jamylak
Aug 8 '12 at 16:41
3
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Read a zipped file as a pandas DataFrame
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zip is now supported in pandas 0.18.1
– nishant
May 5 '16 at 2:16
1
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Compare two DataFrames and output their differences side-by-side
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df_final = df_all.swaplevel(axis='columns')[df.columns[1:]]
df_final
Now, its much easier to spot the differences in the frames. But, we can go further and use the style property to highlight the cells that are different. We define a custom function to do this which you can see in this part of...
how to pass an integer as ConverterParameter?
...rameter has no specific type (it's just an object) so the parser does not know what conversion to apply, hence every literal is just treated as a string.
– H.B.
Aug 8 '16 at 13:39
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Git pull without checkout?
...tes origin/D, origin/B, origin/C, and origin/master. So far so good. But now you say you want something to happen, on devhost, to local branches D, B, C, and/or master?
I have these obvious (to me anyway) questions:
Why do you want the tips of all branches updated?
What if some branch (e.g., B)...
What does the tilde before a function name mean in C#?
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I don't know how it used to be in the past. But now destructors are inherited. Check this link for more information (check the example at the end): msdn.microsoft.com/en-us/library/66x5fx1b.aspx
– RononDex
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Combining two expressions (Expression)
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@Aron now look at the date: the .NET framework visitor (ExpressionVisitor) did not exist back then; I have a related example on stackoverflow from a similar date where it implements the visitor manually: it is a lot of code.
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Routes with Dash `-` Instead of Underscore `_` in Ruby on Rails
...b-c', :controller => 'my_controller', :action => "my_action"
Now urls like http://my_application/a-b-c would go to specified controller and action.
Also, for creating dynamic urls
map.name_of_route 'id1-:id2-:id3', :controller => 'my_controller', :action => "my_action"...
Difference between acceptance test and functional test?
... specific test objective. Test types emphasize your quality aspects, also known as technical or non-functional aspects. Test types can be executed at any test level. I like to use as test types the quality characteristics mentioned in ISO/IEC 25010:2011.
functional testing
reliability testing
perf...
How to concatenate two MP4 files using FFmpeg?
...fmpeg -i myfile2.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts temp2.ts
// now join
ffmpeg -i "concat:temp1.ts|temp2.ts" -c copy -bsf:a aac_adtstoasc output.mp4
NOTE!:
Output will be like first file ( and not a second one)
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