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R - Concatenate two dataframes?

... Clearer and easier than hacking in extra columns just to please rbind; this is the right way forward. Avoiding extremely common packages like plyr when it offers the right tools for the job is simply not sensible. – Jack Aidley ...
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What's the difference between JPA and Hibernate? [closed]

...rt for multitenancy support for soft delete (e.g. @Where, @Filter) These extra features allow Hibernate to address many persistence requirements demanded by large enterprise applications. share ...
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deleting rows in numpy array

...tected. In this case, the short-circuiting should be a draw, but doing the extra not should make it slower in my opinion. – Justin Peel Oct 11 '10 at 2:28 add a comment ...
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Django set default form values

...riable and iterate through its contents without you needing to do anything extra). Personally, I prefer to specify default values in the form definition and only use the initial=... mechanism if the desired default is a dynamic value (e.g. something entered by a user, or based on their login, geogra...
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How to add local jar files to a Maven project?

...he project will just work as if the jars were in maven central without any extra manual steps. – opticyclic Jun 27 '16 at 23:34 9 ...
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What exactly is Apache Camel?

...m, but they are not solutions themselves. These patterns were analyzed and extracted for the rest of us by the Gang of Four, when they published their book: Design Patterns. They saved some of us tremendous effort in thinking of how to best structure our code. Much like the Gang of Four, Gregor Hoh...
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What's the yield keyword in JavaScript?

...n You have this end }) which you need to keep track of everywhere All this extra function (err, result) jargon Not exactly clear that you're doing this to assign a value to result On the other hand, with yield, all of this can be done in one line with the help of the nice co-routine framework. fu...
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Difference between acceptance test and functional test?

...ake it complete. There's also something called regression testing. This an extra classification next to test level and test type. A regression test is a test you want to repeat because it touches something critical in your product. It's in fact a subset of tests you defined for each test level. If a...
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Copy all files with a certain extension from all subdirectories

... @BrianAgnew Oh, I'm sure, just good to have extra information in the comments for wayward googlers. – Taywee Jul 1 '16 at 17:38 ...
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Eclipse and Windows newlines

...e feed when given a new line. Unix-systems just insert a line feed. So the extra carriage return character could be the reason why your eclipse messes up with the newlines. Grab one or two files from your project and convert them. You could use Notepad++ to do so. Just open the file, go to Format-&...