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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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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 represent an 'Enum' in Python?

... 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,...
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Detect when browser receives file download

...have a page that allows the user to download a dynamically-generated file. It takes a long time to generate, so I'd like to show a "waiting" indicator. The problem is, I can't figure out how to detect when the browser has received the file, so I can hide the indicator. ...
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Android Fragment onClick button Method

...trying to invoke the method in my onClick (View v) XML, but does not work with Fragment. This is the error. 6 Answers ...
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Stopping fixed position scrolling at a certain point?

I have an element that is position:fixed and so scrolls with the page how i want it to however. when the user scrolls up I want the element to stop scrolling at a certain point, say when it is 250px from the top of the page, is this possible? Any help or advice would be helpful thanks! ...
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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 ==! ...
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History or log of commands executed in Git

Is there a way I can keep track of commands I used in Git under Windows? I want to view all the commands that I have applied on my repository. ...