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Why is the apt-get function not working in the terminal on Mac OS X v10.9 (Mavericks)?

I was watching this , and, as you can see, the first command I am told to put in is: 5 Answers ...
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How do I parse a string with a decimal point to a double?

... XmlConvert class ... do you have any ideas whether this is better, worse, and/or different than using CultureInfo.InvariantCulture? – ChrisW Aug 30 '09 at 21:23 1 ...
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What is difference between Collection.stream().forEach() and Collection.forEach()?

I understand that with .stream() , I can use chain operations like .filter() or use parallel stream. But what is difference between them if I need to execute small operations (for example, printing the elements of the list)? ...
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“Debug only” code that should run only when “turned on”

...e here gets executed only when compiled with the DEBUG constant, // and when the person debugging manually sets the bool above to true. // It then stays for the rest of the session until they set it to false. } #endif // ... } Just to be complete, pragmas (preprocessor directives...
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How to use CSS to surround a number with a circle?

... Here's a demo on JSFiddle and a snippet: .numberCircle { border-radius: 50%; width: 36px; height: 36px; padding: 8px; background: #fff; border: 2px solid #666; color: #666; text-align: center; font...
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arrow operator (->) in function heading

...declaration:     return-type identifier ( argument-declarations... ) and     auto identifier ( argument-declarations... ) -> return_type They are equivalent. Now when they are equivalent, why do you ever want to use the latter? Well, C++11 introduced this cool decltype thing that lets...
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How do I perform the SQL Join equivalent in MongoDB?

...t array field> } } Of course Mongo is not a relational database, and the devs are being careful to recommend specific use cases for $lookup, but at least as of 3.2 doing join is now possible with MongoDB. share ...
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Find which commit is currently checked out in Git

...er ~ (c1abcde...) $ Option 4: git status Also as of Git version 1.8.3+ (and possibly earlier, again not sure), running git status will also show you what commit you have checked out during a bisect and when you're in detached HEAD state: $ git status # HEAD detached at c1abcde <== RIGHT HERE ...
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Timing a command's execution in PowerShell

Is there a simple way to time the execution of a command in PowerShell, like the 'time' command in Linux? I came up with this: ...
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Correct way to close nested streams and writers in Java [duplicate]

Note: This question and most of its answers date to before the release of Java 7. Java 7 provides Automatic Resource Management functionality for doing this easilly. If you are using Java 7 or later you should advance to the answer of Ross Johnson . ...