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Finding a branch point with Git?

I have a repository with branches master and A and lots of merge activity between the two. How can I find the commit in my repository when branch A was created based on master? ...
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What is the difference between

Can some one please describe the usage of the following characters which is used in ERB file: 7 Answers ...
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subtract two times in python

... Try this: from datetime import datetime, date datetime.combine(date.today(), exit) - datetime.combine(date.today(), enter) combine builds a datetime, that can be subtracted. share | ...
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'is' versus try cast with null check

... Because there's only one cast. Compare this: if (myObj.myProp is MyType) // cast #1 { var myObjRef = (MyType)myObj.myProp; // needs to be cast a second time // before using it as ...
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Android Task Affinity Explanation

What exactly is the attribute taskAffinity used for? I have gone through the documentation but I couldn't understand much. ...
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Adding new column to existing DataFrame in Python pandas

...following indexed DataFrame with named columns and rows not- continuous numbers: 24 Answers ...
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Why is unsigned integer overflow defined behavior but signed integer overflow isn't?

Unsigned integer overflow is well defined by both the C and C++ standards. For example, the C99 standard ( §6.2.5/9 ) states ...
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Insert, on duplicate update in PostgreSQL?

...CT clause. with the following syntax (similar to MySQL) INSERT INTO the_table (id, column_1, column_2) VALUES (1, 'A', 'X'), (2, 'B', 'Y'), (3, 'C', 'Z') ON CONFLICT (id) DO UPDATE SET column_1 = excluded.column_1, column_2 = excluded.column_2; Searching postgresql's email group arch...
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How to upper case every first letter of word in a string? [duplicate]

...ing with .toUpperCase(). Is there an existing java helper which does the job? 16 Answers ...
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delegate keyword vs. lambda notation

Once it is compiled, is there a difference between: 6 Answers 6 ...