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How do I edit an existing tag message in git?

...ve several annotated tags in our git repository. The older tags have bogus messages that we would like to update to be in our new style. ...
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Simple calculations for working with lat/lon and km distance?

... Do you mean cos(longitude) in the second formula? – Odys Jul 8 '14 at 11:52 1 ...
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Get value from JToken that may not exist (best practices)

... This is pretty much what the generic method Value() is for. You get exactly the behavior you want if you combine it with nullable value types and the ?? operator: width = jToken.Value<double?>("width") ?? 100; ...
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For each row return the column name of the largest value

I have a roster of employees, and I need to know at what department they are in most often. It is trivial to tabulate employee ID against department name, but it is trickier to return the department name, rather than the number of roster counts, from the frequency table. A simple example below (colu...
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Implementation difference between Aggregation and Composition in Java

...e of the conceptual differences between Aggregation and Composition. Can someone tell me the implementation difference in Java between them with examples? ...
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What's the difference between Cache-Control: max-age=0 and no-cache?

...0 implies that the content is considered stale (and must be re-fetched) immediately, which is in effect the same thing as Cache-Control: no-cache . ...
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Why does this code using random strings print “hello world”?

The following print statement would print "hello world". Could anyone explain this? 15 Answers ...
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How can I correctly prefix a word with “a” and “an”?

...icle text (the download is generally in XML format, along with non-article metadata too). Find all instances of a(n).... and make an index on the following word and all of its prefixes (you can use a simple suffixtrie for this). This should be case sensitive, and you'll need a maximum word-length - ...
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Undo a particular commit in Git that's been pushed to remote repos

...pick -- the latter applies the patch to a branch that's missing it, the former removes it from a branch that has it. share | improve this answer | follow | ...
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how do I make a single legend for many subplots with matplotlib?

I am plotting the same type of information, but for different countries, with multiple subplots with matplotlib. That is, I have 9 plots on a 3x3 grid, all with the same for lines (of course, different values per line). ...