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How to use Elasticsearch with MongoDB?

... instance. Make sure everything is up to date. sudo apt-get update Install NodeJS. sudo apt-get install nodejs sudo apt-get install npm Install MongoDB - These steps are straight from MongoDB docs. Choose whatever version you're comfortable with. I'm sticking with v2.4.9 because it seems to b...
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How to check if element has any children in Javascript?

... about child elements (as opposed to text nodes, attribute nodes, etc.) on all modern browsers (and IE8 — in fact, even IE6) you can do this: (thank you Florian!) if (element.children.length > 0) { // Or just `if (element.children.length)` // It has at least one element as a child } Tha...
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AngularJS directive with default options

...from the template. If you're passing an array f.e. it should be attributes.foo = '["one", "two", "three"]' instead of attributes.foo = ["one", "two", "three"] – Dominik Ehrenberg Apr 22 '15 at 7:39 ...
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Copy tables from one database to another in SQL Server

I have a database called foo and a database called bar. I have a table in foo called tblFoobar that I want to move (data and all) to database bar from database foo. What is the SQL statement to do this? ...
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How to profile methods in Scala?

What is a standard way of profiling Scala method calls? 12 Answers 12 ...
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Java: How to test methods that call System.exit()?

I've got a few methods that should call System.exit() on certain inputs. Unfortunately, testing these cases causes JUnit to terminate! Putting the method calls in a new Thread doesn't seem to help, since System.exit() terminates the JVM, not just the current thread. Are there any common patterns...
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Use PHP composer to clone git repo

I'm trying to use composer to automatically clone a git repository from github that isn't in packagist but it's not working and I can't figure out what am I doing wrong. ...
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How do I update my bare repo?

... If you want to duplicate all the objects from the main repo, do this inside the main repo: git push --all <url-of-bare-repo> Alternatively, do a fetch inside the bare repo: git fetch <url-of-main-repo> You cannot do a pull, because ...
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How to 'git pull' into a branch that is not the current one?

When you run git pull on the master branch, it typically pulls from origin/master . I am in a different branch called newbranch , but I need to run a command that does a git pull from origin/master into master but I cannot run git checkout to change the selected branch until after the...
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Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=

...: SET @rUsername = ‘aname’ COLLATE utf8_unicode_ci; -- COLLATE added CALL updateProductUsers(@rUsername, @rProductID, @rPerm); Option 2: add COLLATE to the WHERE clause: CREATE PROCEDURE updateProductUsers( IN rUsername VARCHAR(24), IN rProductID INT UNSIGNED, IN rPerm VARCHAR(16...