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git: How to diff changed files versus previous versions after a pull?

When I run "git pull" I often want to know what changed between the last version of a file and the new one. Say I want to know what someone else committed to a particular file. ...
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Best way to give a variable a default value (simulate Perl ||, ||= )

... = $bar ?: $baz; Which assigns $bar if it's not an empty value (I don't know how this would be different in PHP from Perl), otherwise $baz, and is the same as this in Perl and older versions of PHP: $foo = $bar ? $bar : $baz; But PHP does not have a compound assignment operator for this (that i...
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How does Python manage int and long?

Does anybody know how Python manage internally int and long types? 9 Answers 9 ...
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Java 8 Stream and operation on arrays

...va 8 stream capabilities. Coming from Python, I was wondering if there was now a neat way to do operations on arrays like summing, multiplying two arrays in a "one line pythonic" way ? ...
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How do you push a Git tag to a branch using a refspec?

...I was thinking you meant to put in the particular commit, makes more sense now. – brad Aug 29 '11 at 14:45  |  show 3 more comments ...
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Please enter a commit message to explain why this merge is necessary, especially if it merges an upd

... the file name (such as "Merge_feature01") and press Enter CtrlX to exit Now if you go to .git and you will find the file "Merge_feature01", that's the merge log actually. share | improve this ans...
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Use NUnit Assert.Throws method or ExpectedException attribute?

...;ArgumentNullException>(() => a.IsValidLogFileName("")); // now we can test the exception itself Assert.That(ex.Message == "Blah"); } share | improve this answer ...
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Transfer git repositories from GitLab to GitHub - can we, how to and pitfalls (if any)?

... The imported repository does not necessarily have to be public now, as github has made adding private repositories free. – Shrey Garg Oct 29 '19 at 8:03 ...
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PostgreSQL: Which Datatype should be used for Currency?

...ce). Reading your comment, I used MONEY for most of my currency fields and now I get this Java exception : "SQLException occurred : org.postgresql.util.PSQLException: Bad value for type double : 2,500.00". I have googled and found no good solution, so I am into the boring task of changing all of the...
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How do I address unchecked cast warnings?

...eally should have the generic parameters <String, String>. You must know beforehand what the parameters should be (or you'll find out when you get a ClassCastException). This is why the code generates a warning, because the compiler can't possibly know whether is safe. ...