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rake db:schema:load vs. migrations

...s page precisely because I agree with that. My experience is that once the site is in production, it is much safer to use migrations to change it. In spite of this, the comments of the beginning of db/schema.rb precisely state the contrary ! (I have the problem at the start of every project because ...
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NOT IN vs NOT EXISTS

...o null. This post explains it very well http://sqlinthewild.co.za/index.php/2010/02/18/not-exists-vs-not-in/ When the subquery returns even one null, NOT IN will not match any rows. The reason for this can be found by looking at the details of what the NOT IN operation actually means...
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iPhone Safari Web App opens links in new window

... Is there an example of the opposite? Forcing an iPhone web app to open a page in Safari eventhough it's a javascript location change? – tkahn Jan 4 '12 at 16:23 ...
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What is the difference between max-device-width and max-width for mobile web?

...ding stylesheets based on media breakpoints it can be very jarring for the site to take on a whole different look when resizing the browser window. – TwinPrimesAreEz Apr 3 '14 at 22:17 ...
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Concat scripts in order with Gulp

....js file to work how I want, wrote in some html, saved the file and boom a site built with the best frameworks and good practices at the touch of a button. Plus updates will be easy, if you're not using either one you need to! – Michael Joseph Aubry Feb 22 '14 ...
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Why JSF calls getters multiple times

...ginally posted in PrimeFaces forum @ http://forum.primefaces.org/viewtopic.php?f=3&t=29546 Recently, I have been obsessed evaluating the performance of my app, tuning JPA queries, replacing dynamic SQL queries with named queries, and just this morning, I recognized that a getter method was more...
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How do I unset an element in an array in javascript?

...ipt Arrays are not associative arrays like those you might be used to from PHP. If your "array key" is a string, you're no longer operating on the contents of an array. Your array is an object, and you're using bracket notation to access the member named <key name>. Thus: var myArray = []; m...
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How do I redirect to another webpage?

... What if I am already using jQuery on the site? Would the usage of your solution still be considered bad practice? – Andreas Jul 23 at 8:20 ad...
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Node: log in a file instead of the console

...ought it was maintained by the Nodejitsu folks. We have used it on several sites pull over a million page views a day and haven't had any issues with logging. Maybe it has to do with what is being logged and the quantity of it. – Ryan Gibbons Nov 22 '13 at 15:4...
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What's so great about Lisp? [closed]

...f libraries. I can't tell for sure yet, but I doubt it. For building web sites it looks like Hunchentoot and Elephant provide a good set of tools. But really I don't see Lispers complaining about the lack of libraries (maybe because Lisp is so powerful they just aren't needed?). ...