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“No X11 DISPLAY variable” - what does it mean?

...ror. Download this app xming: http://sourceforge.net/project/downloading.php? Install, then use settings on this link: http://www.geo.mtu.edu/geoschem/docs/putty_install.html or follow this steps: Installing/Configuring PuTTy and Xming Once PuTTy and Xming have been downloaded to the PC, insta...
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TypeError: Cannot read property 'then' of undefined

...uid is "+cUid); var $checkSessionServer=$http.post('data/check_session.php?cUid='+cUid); $checkSessionServer.then(function(){ alert("session check returned!"); console.log("checkSessionServer is "+$checkSessionServer); }); return $checkSessionServer; // <-- return ...
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HSL to RGB color conversion

... The wikipedia article seems to suggest that only a single value is set to all 3 channels. – Bill Jan 14 '14 at 17:58 10 ...
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Stop execution of Ruby script

Is there a method like exit or die in PHP which stops the execution of a Ruby script? 4 Answers ...
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What is the difference between Elastic Beanstalk and CloudFormation for a .NET project?

... They're actually pretty different. Elastic Beanstalk is intended to make developers' lives easier. CloudFormation is intended to make systems engineers' lives easier. Elastic Beanstalk is a PaaS-like layer ontop of AWS's IaaS services ...
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Delimiters in MySQL

...s it through a programming language API to MySQL. Some other clients like PHPMyAdmin have other methods to specify a non-default delimiter. Example: DELIMITER $$ /* This is a complete statement, not part of the procedure, so use the custom delimiter $$ */ DROP PROCEDURE my_procedure$$ /* Now start...
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What is the difference between inversedBy and mappedBy?

... @PeterWooster, best practice is to use Annotations, as you have all info about the entity in one place then! – Andreas Linden Jan 22 '13 at 9:57 ...
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Can't connect to local MySQL server through socket homebrew

...ln -s /tmp/mysql.sock /var/mysql/mysql.sock This solved it for me. Now my phpMyAdmin works happily with localhost and 127.0.0.1. Credit goes to Henry share | improve this answer | ...
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Convert a bitmap into a byte array

...n saving to memory or disk. Source: http://www.vcskicks.com/image-to-byte.php share | improve this answer | follow | ...
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What is the difference between the Data Mapper, Table Data Gateway (Gateway), Data Access Object (DA

... skills, and I'm curious what are the differences between these patterns? All of them seem like they are the same thing - encapsulate the database logic for a specific entity so the calling code has no knowledge of the underlying persistence layer. From my brief research all of them typically impl...