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How to copy commits from one branch to another?

... You should really have a workflow that lets you do this all by merging: - x - x - x (v2) - x - x - x (v2.1) \ x - x - x (wss) So all you have to do is git checkout v2.1 and git merge wss. If for some reason you r...
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How to add custom method to Spring Data JPA

... looking into Spring Data JPA. Consider the below example where I will get all the crud and finder functionality working by default and if I want to customize a finder then that can be also done easily in the interface itself. ...
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What's the fastest way to merge/join data.frames in R?

...(y) from main.d group by g1, g2")) ) The outputs from the two benchmark call comparing the merge calculations are: Joining by: x test replications elapsed relative user.self sys.self user.child sys.child 3 data.table 1 0.34 1.000000 0.31 0.01 NA NA 2 ...
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Why does Math.Round(2.5) return 2 instead of 3?

...lows IEEE Standard 754, section 4. This kind of rounding is sometimes called rounding to nearest, or banker's rounding. It minimizes rounding errors that result from consistently rounding a midpoint value in a single direction. You can specify how Math.Round should round mid-points usi...
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Determine if a String is an Integer in Java [duplicate]

... The most naive way would be to iterate over the String and make sure all the elements are valid digits for the given radix. This is about as efficient as it could possibly get, since you must look at each element at least once. I suppose we could micro-optimize it based on the radix, but for a...
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How can I make git show a list of the files that are being tracked?

... If you want to list all the files currently being tracked under the branch master, you could use this command: git ls-tree -r master --name-only If you want a list of files that ever existed (i.e. including deleted files): git log --pretty=f...
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What should I do when 'svn cleanup' fails?

... When starting all over is not an option... I deleted the log file in the .svn directory (I also deleted the offending file in .svn/props-base), did a cleanup, and resumed my update. ...
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What does it mean: The serializable class does not declare a static final serialVersionUID field? [d

...ization runtime associates with each serializable class a version number, called a serialVersionUID, which is used during deserialization to verify that the sender and receiver of a serialized object have loaded classes for that object that are compatible with respect to serialization. If the receiv...
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How to duplicate virtualenv

...is to use pip to generate a requirements file. A requirements file is basically a file that contains a list of all the python packages you want to install (or have already installed in case of file generated by pip), and what versions they're at. To generate a requirements file, go into your origin...
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iOS Remote Debugging

... Yep, I'm already using this one. Finally! It sucks that the windows version of Safari does not have it though. – Hyangelo Sep 26 '12 at 18:05 ...