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Ruby on Rails: getting the max value from a DB column
Currently I can make the straight-up SQL query on my DB:
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Does every Javascript function have to return a value?
I'm using Netbeans to add professional-like comments to each function, I write. So I begin each of it with /** and then I press Enter to let Netbeans fulfill default comment scheme for following function.
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How to move one word left in the vi editor
I use the shortcut w to move the cursor one word right. Is there a shortcut to move a word left?
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Rails how to run rake task
How do I run this rake file in terminal/console?
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How can I wrap text to some length in Vim?
Let's speak of relative measures. My Vim looks like:
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Why is JsonRequestBehavior needed?
Why is Json Request Behavior needed?
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Convert string to title case with JavaScript
Is there a simple way to convert a string to title case? E.g. john smith becomes John Smith . I'm not looking for something complicated like John Resig's solution , just (hopefully) some kind of one- or two-liner.
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What is causing ERROR: there is no unique constraint matching given keys for referenced table?
Below example table structure gives an ERROR: there is no unique constraint matching given keys for referenced table, and having stared at it for while now I can't figure out why this error arises in this situation.
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OSGi: What are the differences between Apache Felix and Apache Karaf?
Apache Karaf is a sub project of Apache Felix . It is defined as "a lightweight OSGi container".
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How do I explicitly instantiate a template function?
I have a template function with one argument.
I have to instantiate that function without calling that function means explicitly I have to instantiate.
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