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Why call git branch --unset-upstream to fixup?

.... Once local branch L is set to track remote-tracking branch R, Git will call R its "upstream" and tell you whether you're "ahead" and/or "behind" the upstream (in terms of commits). It's normal (even recommend-able) for the local branch and remote-tracking branches to use the same name (except fo...
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Convert Long into Integer

...yslov the question was about Long values, not about null values. And personally I believe in rejecting null up front rather than using null in -> null out and thereby transporting null through my application. So one could also argue this is the worst answer :-) – Sean Patric...
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How to convert wstring into string?

...e <locale> #include <vector> int main() { std::setlocale(LC_ALL, ""); const std::wstring ws = L"ħëłlö"; const std::locale locale(""); typedef std::codecvt<wchar_t, char, std::mbstate_t> converter_type; const converter_type& converter = std::use_facet<converter...
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Left Align Cells in UICollectionView

...ep their size, add the following at the top of the closure in the forEach call: guard layoutAttribute.representedElementCategory == .cell else { return } Objective-C: - (NSArray *)layoutAttributesForElementsInRect:(CGRect)rect { NSArray *attributes = [super layoutAttributesForElementsI...
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java: HashMap not working

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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How to query MongoDB with “like”?

... Actually, it depends. If the query doesn't use an index, and must do a table scan, then it can certainly be expensive. If you're doing a 'starts with' regex query, then that can use an index. Best to run an explain() to see what'...
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jquery variable syntax [duplicate]

... 2; alert($ + $$); jQuery just assigns it's core function to a variable called $. The code you have assigns this to a local variable called self and the results of calling jQuery with this as an argument to a global variable called $self. It's ugly, dirty, confusing, but $, self and $self are all...
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How to use setInterval and clearInterval?

Hi all, 5 Answers 5 ...
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align right in a table cell with CSS

... John MutumaJohn Mutuma 1,23211 gold badge88 silver badges2424 bronze badges add a comme...
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GitHub relative link in Markdown file

...entation files, whether you view the documentation on GitHub itself, or locally, using a different markup renderer. You want examples of link definitions and how they work? Here's some Markdown for you. Instead of an absolute link: [a link](https://github.com/user/repo/blob/branch/other_file...