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Named Branches vs Multiple Repositories

...ository. Your working copy will always reflect a single changeset, the so-called working copy parent changeset. Check this with: % hg parents Let's say that it reports [y]. You can see the heads with % hg heads and this will report [y] and [d]. If you want to update your repository to a clean ...
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Re-doing a reverted merge in Git

... but git-merge command sees the original merge, and happily announces that all is well and branches have been already merged. What do I do now? Create a 'Revert "Revert "28s -> develop"" ' commit? Doesn't seem to be a good way to do it, but I can't imagine any other at the moment. ...
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Grouping functions (tapply, by, aggregate) and the *apply family

Whenever I want to do something "map"py in R, I usually try to use a function in the apply family. 10 Answers ...
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What is the difference between Scala's case class and class?

...xclusively depend on their constructor arguments. This functional concept allows us to use a compact initialization syntax (Node(1, Leaf(2), None))) decompose them using pattern matching have equality comparisons implicitly defined In combination with inheritance, case classes are used to mimi...
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Output data from all columns in a dataframe in pandas [duplicate]

...ramdata.values isn't a good solution, because probably numpy will not show all too (depending on the size) and the index information is lost. – bmu Jul 22 '12 at 15:46 ...
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Is there a standardized method to swap two variables in Python?

...his tuple object have still been made, but it doesn't matter, Python internally knows where it is then, the left-hand side is evaluated, that is to say the tuple is assigned to the left-hand side as the left-hand side is composed of two identifiers, the tuple is unpacked in order that the first ide...
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Tracking the script execution time in PHP

..."; echo "It spent " . rutime($ru, $rustart, "stime") . " ms in system calls\n"; Note that you don't need to calculate a difference if you are spawning a php instance for every test. share | im...
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Capturing URL parameters in request.GET

...ll find the request method (in this case "GET", and for submitted forms usually "POST") in request.method. In some cases it's useful to check that it matches what you're expecting. Update: When deciding whether to use the URL path or the query parameters for passing information, the following may h...
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How do you find the row count for all your tables in Postgres

I'm looking for a way to find the row count for all my tables in Postgres. I know I can do this one table at a time with: ...
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Why are C# 3.0 object initializer constructor parentheses optional?

It seems that the C# 3.0 object initializer syntax allows one to exclude the open/close pair of parentheses in the constructor when there is a parameterless constructor existing. Example: ...