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What's the algorithm to calculate aspect ratio?

... solution like 1.77778:1. If so, what you need to do is find the greatest common divisor (GCD) and divide both values by that. The GCD is the highest number that evenly divides both numbers. So the GCD for 6 and 10 is 2, the GCD for 44 and 99 is 11. For example, a 1024x768 monitor has a GCD of 256...
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How do I clone a specific Git branch? [duplicate]

...of data. Again, that is not to say git clone --branch is not the way to accomplish that, it's just that it's not always what you want to accomplish, when you're asking about cloning a specific branch. At the time of writing the original answer below, git had no --single-branch option, but let's pr...
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Application Error - The connection to the server was unsuccessful. (file:///android_asset/www/index.

.../youractivity.java) above this line: super.loadUrl("file:///android_asset/www/index.html"); Explanation: This can be happened due to the following reasons The core reason: the problem is likely due to the speed of the emulator so the network is too slow complete the communication in a timely fa...
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www-data permissions?

So I have a directory in /var/www (called cake) and I need to allow www-data to write to it, but I also want to write to it (without having to use sudo). I'm afraid to change the permissions to 777 in case some other user on my machine (or a hacker) attempts to modify files in that directory. How do...
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When to use single quotes, double quotes, and backticks in MySQL

...ts DATE and DATETIME literal values to be single-quoted as strings like '2001-01-01 00:00:00'. Consult the Date and Time Literals documentation for more details, in particular alternatives to using the hyphen - as a segment delimiter in date strings. So using your example, I would double-quote the P...
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How to throw std::exceptions with variable messages?

...ike in Maxim's answer) is a safer way. It is explained very well at http://www.boost.org/community/error_handling.html So, the nicer way would be a specific type of the exception and be avoiding composing the formatted string (at least when throwing). ...
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How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?

...current system timezone): $ date +%s 1318996912 $ irb ruby-1.9.2-p180 :001 > require 'date' => true ruby-1.9.2-p180 :002 > Time.at(1318996912).to_datetime => #<DateTime: 2011-10-18T23:01:52-05:00 (13261609807/5400,-5/24,2299161)> Further update (for UTC): ruby-1.9.2-p180...
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How to use http.client in Node.js if there is basic authorization

...precated from v6 // auth is: 'Basic VGVzdDoxMjM=' var header = {'Host': 'www.example.com', 'Authorization': auth}; var request = client.request('GET', '/', header); share | improve this answer ...
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MIT vs GPL license [closed]

...he ASF does not allow dependencies to GPL code for their projects. http://www.apache.org/licenses/GPL-compatibility.html share edited May 23 '13 at 9:59 ...
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Computed / calculated / virtual / derived columns in PostgreSQL

Does PostgreSQL support computed / calculated columns, like MS SQL Server? I can't find anything in the docs, but as this feature is included in many other DBMSs I thought I might be missing something. ...