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Which regular expression operator means 'Don't' match this character?
...ple [^abcde] will match anything but a,b,c,d,e characters.
Instead of specifying all the characters literally, you can use shorthands inside character classes: [\w] (lowercase) will match any "word character" (letter, numbers and underscore), [\W] (uppercase) will match anything but word characters...
How do I raise a Response Forbidden in django
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if you want to raise an exception you can use:
from django.core.exceptions import PermissionDenied
def your_view(...):
raise PermissionDenied()
It is documented here :
https://docs.djangoproject.com/en/stable/ref/vi...
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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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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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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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...
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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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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