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“tag already exists in the remote" error after recreating the git tag

...wrong tag" and replace it with the new "right tag". Testing in Git 2.10/2.11 shows that retaining the old tag is the default behavior for clients running git fetch, and updating is the default behavior for clients running git fetch --tags. (Original answer follows.) When you ask to push tags, g...
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GCD to perform task in main thread

... answered Apr 14 '11 at 12:18 user557219user557219 ...
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Regarding 'main(int argc, char *argv[])' [duplicate]

...re any arguments, it is equally valid to write a main-function in the following fashion: int main() { // code return 0; // Zero indicates success, while any // Non-Zero value indicates a failure/error } In the early versions of the C language, there was no int before main as this was impli...
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Graph visualization library in JavaScript

...doned in 2012. jsdot Client side graph drawing application. Abandoned in 2011. Protovis Graphical Toolkit for Visualization (JavaScript). Replaced by d3. Moo Wheel Interactive JS representation for connections and relations (2008) JSViz 2007-era graph visualization script dagre Graph layout for Java...
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Does JSON syntax allow duplicate keys in an object?

...name from the value. A single comma token separates a value from a following name. It does not make any mention of duplicate keys being invalid or valid, so according to the specification I would safely assume that means they are allowed. That most implementations of JSON libraries do n...
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How do you 'redo' changes after 'undo' with Emacs?

... 117 Just in case this sounds annoying, the major advantage is that you can always get back a previous state. In most editors, undoing several ...
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The difference between try/catch/throw and try/catch(e)/throw e

... Bruno ReisBruno Reis 33.5k1111 gold badges106106 silver badges145145 bronze badges add ...
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Comparing two collections for equality irrespective of the order of items in them

... 114 It turns out Microsoft already has this covered in its testing framework: CollectionAssert.Are...
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How do you properly use namespaces in C++?

... | edited Jan 23 at 11:09 Trilarion 8,77699 gold badges5050 silver badges8888 bronze badges answer...
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What's the meaning of interface{}?

... 11 There are already good answers here. Let me add my own too for others who want to understand it...