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Concatenating two std::vectors

... If you have concatenating several vectors to one, is it helpful to call reserve on the destination vector first? – Faheem Mitha Feb 4 '12 at 23:07 33 ...
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Set value for particular cell in pandas DataFrame using index

... the second column needs to be on brackets, otherwise all of columns will be overwritten with value. Like this: df.loc[df['age']==3, ['age-group']] = 'toddler' – Piizei Sep 12 '18 at 10:55 ...
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What are the respective advantages/limitations of Amazon RDS vs. EC2 with MySQL? [closed]

...ithout RAID0 EBS will provide crappy I/O performance, thus it's not even really an option. RDS will provide very good (though not maximum) performance out of the box. The management console is fantastic and it's easy to upgrade instances. High availability and read only slaves are a click away. It'...
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How to tell git to use the correct identity (name and email) for a given project?

...hat one inside a repo will set the configuration on THAT repo, and not globally. Seems like that's pretty much what you're after, unless I'm misreading you. share | improve this answer | ...
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How do I delete unpushed git commits?

I accidentally committed to the wrong branch. How do I delete that commit? 7 Answers 7...
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How to create Android Facebook Key Hash?

I do not understand this process at all. I have been able to navigate to the folder containing the keytool in the Java SDK. Although I keep getting the error openssl not recognised as an internal or external command. The problem is even if I can get this to work, what would I do and with what afterw...
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What's the best mock framework for Java? [closed]

...or static methods, simply combine Mockito with JMockit and there is practically no class too "legacy" for you to be able to test. – Epaga Mar 13 '09 at 14:26 6 ...
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Ruby - elegantly convert variable to an array if not an array already

... @mastaBlasta Array(arg) tries to create a new array by calling to_ary, then to_a on the argument. This is documented in official ruby docs. I learned about it from Avdi's "Confident Ruby" book. – mambo Jul 27 '16 at 15:41 ...
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Remove unused references (!= “using”)

... the original question. Let me take a stab at it. The original post is really asking the question: "How do I identify and remove references from one Visual Studio project to other projects/assemblies that are not in use?" The poster wants the assemblies to no longer appear as part of the build ou...
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Copy folder recursively in node.js

Is there an easier way to copy a folder and all its content without manually doing a sequence of fs.readir , fs.readfile , fs.writefile recursively ? ...