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New to MongoDB Can not run command mongo

... After installing the MongoDB you should manually create a data folder. By default MongoDB will store data in /data/db, but it won't automatically create that directory. To create it, do: $ sudo mkdir -p /data/db/ $ sudo chown `id -...
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Is Java Regex Thread Safe?

...41681.html#A14 : "The Java 2 SDK, Standard Edition itself contains a file called src.zip that contains the source code for the public classes in the java package") so one can take a quick peek oneself. – David Tonhofer Nov 18 '13 at 15:40 ...
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PHP & mySQL: Year 2038 Bug: What is it? How to solve it?

.... Instead of asking my question in bulk, I preferred to break it up into small parts so that it is easy for novice users to understand as well. So my question(s): ...
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Why is f(i = -1, i = -1) undefined behavior?

... Very nice example of how the expression could actually do something unexpected while conforming to sequencing rules. Yes, a bit contrived, but so is the code snipped I'm asking about in the first place. :) – Nicu Stiurca Feb 10 '14 at 8...
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bash: pip: command not found

I downloaded pip and ran python setup.py install and everything worked just fine. The very next step in the tutorial is to run pip install <lib you want> but before it even tries to find anything online I get an error "bash: pip: command not found". ...
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Creating a blurring overlay view

In the Music app of the new iOS, we can see an album cover behind a view that blurs it. 25 Answers ...
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How to auto-format code in Eclipse?

...ed Mar 27 '13 at 9:09 HasanAboShallyHasanAboShally 17k77 gold badges2525 silver badges3333 bronze badges ...
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Is it possible to get the iOS 5.1 SDK for Xcode 4.2 on Snow Leopard?

...ered Mar 8 '12 at 6:26 Mick MacCallumMick MacCallum 122k4040 gold badges273273 silver badges274274 bronze badges ...
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Views vs Components in Ember.js

... and then implement their behavior using JavaScript? You can't do this actually with a Ember.View. Ember.Component That's exactly what components let you do. In fact, it's such a good idea that the W3C is currently working on the Custom Elements spec. Ember's implementation of components tries to be...
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How to find/identify large commits in git history?

...MB, and the total size of the rest of the git repo is 298 MB. This is basically a code-only repo that should not be more than a few MB. ...