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Installing Java 7 on Ubuntu

to install java I have always used the classic way from the terminal. I would like to install java manually. I placed the folder of the JDK on the desk and I set environment variables (PATH, CLASSPATH and JAVA_HOME). From the terminal, if I type java -version I get printed ...
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MongoDB with redis

...oDB does not have yet an expiration mechanism. Capped collections cannot really be used to implement a real TTL. Redis has a TTL-based expiration mechanism, making it convenient to store volatile data. For instance, user sessions are commonly stored in Redis, while user data will be stored and index...
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How do you round a float to two decimal places in jruby

...ing for that is discussed here, it's mostly about readability. Not that we all have to follow the style guide, just giving some reasons :) – Lucy Bain Sep 4 '14 at 1:10 ...
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No module named setuptools

I want to install setup file of twilio. When I install it through given command it is given me an error: 5 Answers ...
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Take the content of a list and append it to another list

... Take a look at itertools.chain for a fast way to treat many small lists as a single big list (or at least as a single big iterable) without copying the smaller lists: >>> import itertools >>> p = ['a', 'b', 'c'] >>> q = ['d', 'e', 'f'] >>> r = ['g', ...
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How to add http:// if it doesn't exist in the URL?

...hat went on a swim and came back as a fish with the mindset to stop you at all costs from doing and things that might hurt you. There are so many people in the world, and you know, you have this incredible ideas and what you think is missing is motivation, But that is not true. because the way that ...
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How to find out the number of CPUs using python

...sing Python. The result should be user/real as output by time(1) when called with an optimally scaling userspace-only program. ...
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Guaranteed lifetime of temporary in C++?

...or the lifetime of a temporary variable that is created within a function call but not used as a parameter? Here's an example class: ...
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git cherry-pick says “…38c74d is a merge but no -m option was given”

...rticular situation, but using git merge instead of git cherry-pick is generally advisable. When you cherry-pick a merge commit, it collapses all the changes made in the parent you didn't specify to -m into that one commit. You lose all their history, and glom together all their diffs. Your call. ...
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Convert from List into IEnumerable format

How shall I do in order to convert _Book_List into IEnumerable format? 6 Answers 6...