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Scala downwards or decreasing for loop?
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What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?
Is there any differences in invoking variables with syntax ${var} and $(var) ? For instance, in the way the variable will be expanded or anything?
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Continuous Integration for Ruby on Rails? [closed]
...utdated information and downed the demo site, this project has a spark of life again. But the documentation hasn't moved on, and lots and lots of the steps in the tutorial are just plain broken; I had to change references to gems, build some things out of band, and then I still couldn't get it worki...
.NET HttpClient. How to POST string value?
... your project. The HttpClient class is built in .NET 4.5, not in .NET 4.0. If you want to use it in .NET 4.0 you need the NuGet!
– Darin Dimitrov
Mar 2 '13 at 16:42
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Why can't I access DateTime->date in PHP's DateTime class?
Using the DateTime class, if I try to run the following code:
5 Answers
5
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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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Append column to pandas dataframe
... way probably only matters when you consider edge cases. For instance here if both DataFrames had a 'data' column the join would fail, whereas a concat would give you two columns named 'data'.
– U2EF1
Dec 16 '13 at 20:37
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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. :...
What is an abstract class in PHP?
...nd non-abstract methods, but it must contain at least one abstract method. If a class has at least one abstract method, then the class must be declared abstract.
Note: Traits support the use of abstract methods in order to impose requirements upon the exhibiting class.
Example below :
class ...
What are the differences between utf8_general_ci and utf8_unicode_ci? [duplicate]
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utf8_general_ci is a very simple — and on Unicode, very broken — collation, one that gives incorrect results on general Unicode text. What it does is:
converts to Unicode normalization form D for canonical decomposition
re...