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Float vs Decimal in ActiveRecord

...r that is how the IEEE specification defines floats in binary format. Basically, it stores sign, fraction and exponent to represent a Float. It's like a scientific notation for binary (something like +1.43*10^2). Because of that, it is impossible to store fractions and decimals in Float exactly. Th...
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How do I browse an old revision of a Subversion repository through the web view?

... Be careful with that: this is not officially supported and can change anytime with a new release. Even though it has been the same since the very beginnings of svn... – Stefan Mar 16 '09 at 18:01 ...
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PHP: merge two arrays while keeping keys instead of reindexing?

...operator is not an addition, it's a union. If the keys don't overlap then all is good, but if they do... – GordonM May 3 '12 at 15:46 3 ...
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Difference between break and continue statement

...necessary to exit a loop before the loop has finished fully iterating over all the step values. For example, looping over a list of numbers until you find a number that satisfies a certain condition. Or looping over a stream of characters from a file until a certain character is read. In the follow...
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How do you plot bar charts in gnuplot?

...plications it's more convenient to use the histogram plotting style, especially for grouping and stacking values. – Christoph Feb 1 '15 at 14:18 ...
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Apache2: 'AH01630: client denied by server configuration'

... If you are using Apache 2.4 You have to check allow and deny rules Check out http://httpd.apache.org/docs/2.4/upgrading.html#access In 2.2, access control based on client hostname, IP address, and other characteristics of client requests was done using the directi...
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What is move semantics?

...regarding C++0x . Most of the new features made sense to me, and I am actually excited about C++0x now, with the exception of one. I still don't get move semantics ... What is it exactly? ...
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My pull request has been merged, what to do next?

...tories you contribute to'. It is easier to: delete your fix branch (actually, it is now deleted for you) on your fork (and in your local cloned repo: see "Delete a Git branch both locally and remotely") git pull upstream master (if master was the branch in which your fix has been integrated: the ...
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Validate a username and password against Active Directory?

...'s 100% C# managed code on your end - what more can you ask for? :-) Read all about it here: Managing Directory Security Principals in the .NET Framework 3.5 MSDN docs on System.DirectoryServices.AccountManagement Update: As outlined in this other SO question (and its answers), there is an iss...
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How to send commands when opening a tmux session inside another tmux session?

... Additionally I had to comment out my existing last-window binding as it was called when doing C-a C-a, as such: #bind-key C-a last-window. Note my prefix is a, not the default b. – Kris Dec 16 '...