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How to avoid passing parameters everywhere in play2?
... data in actions, use them directly in views. Since we don't need to explicitly declare parameters in view, this is very easy.
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How do I “commit” changes in a git submodule? [duplicate]
I have, in my naivety, set up a git submodule and treated it like a Subversion external - i.e. it's now full of changes that I've just realized haven't been committed or pushed anywhere.
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What is the purpose of `text=auto` in `.gitattributes` file?
Mostly .gitattributes file has * text=auto . What is the purpose of text=auto in that file?
3 Answers
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Unpacking, extended unpacking and nested extended unpacking
..., but I decided to opt for completeness.
Once you know a few basic rules, it's not hard to generalize them. I'll do my best to explain with a few examples. Since you're talking about evaluating these "by hand," I'll suggest some simple substitution rules. Basically, you might find it easier to unde...
How would you count occurrences of a string (actually a char) within a string?
...ealised I wanted to count how many / s I could find in a string, and then it struck me, that there were several ways to do it, but couldn't decide on what the best (or easiest) was.
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Undo changes in entity framework entities
this might be a trivial question but: Since ADO.NET entity framework automatically tracks changes (in generated entities) and therefore keeps the original values, how can I rollback changes made to the entity objects?
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How can I remove a specific item from an array?
... an array of numbers and I'm using the .push() method to add elements to it.
97 Answers
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Center Align on a Absolutely Positioned Div
The div is at the top, but I can't center it with <center> or margin: 0 auto ;
9 Answers
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Difference between “!==” and “==!” [closed]
Yesterday I stumbled over this when I modified PHP code written by someone else. I was baffled that a simple comparison ( if ($var ==! " ") ) didn't work as expected. After some testing I realized that whoever wrote that code used ==! instead of !== as comparison operator. I've never seen ==! ...
How can I represent an 'Enum' in Python?
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Enums have been added to Python 3.4 as described in PEP 435. It has also been backported to 3.3, 3.2, 3.1, 2.7, 2.6, 2.5, and 2.4 on pypi.
For more advanced Enum techniques try the aenum library (2.7, 3.3+, same author as enum34. Code is not perfectly compatible between py2 and py3,...