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How to declare variable and use it in the same Oracle SQL script?
... need to declare some variables at the beginning and reuse them in the script, such as:
10 Answers
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Checking for NULL pointer in C/C++ [closed]
... code review, a contributor is trying to enforce that all NULL checks on pointers be performed in the following manner:
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Entity Framework select distinct name
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Using lambda expression..
var result = EFContext.TestAddresses.Select(m => m.Name).Distinct();
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Javascript what is property in hasOwnProperty?
What is the right use/explanation of hasOwnProperty('someProperty') ?
9 Answers
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Get position/offset of element relative to a parent container?
I'm used to working with jQuery. In my current project however I use zepto.js. Zepto doesn't provide a position() method like jQuery does. Zepto only comes with offset() .
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How to check if a URL is valid
... =~ /\A#{URI::regexp}\z/
If you only want to check for web URLs (http or https), use this:
url =~ /\A#{URI::regexp(['http', 'https'])}\z/
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Rails Object to hash
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If you are looking for only attributes, then you can get them by:
@post.attributes
Note that this calls ActiveModel::AttributeSet.to_hash every time you invoke it, so if you need to access the hash multiple times you should cache it in a local variable:
attribs = @post.attributes
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Get selected option from select element
I am trying to get the selected option from a dropdown and populate another item with that text, as follows. IE is barking up a storm and it doesn't work in Firefox:
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How to exclude a module from a Maven reactor build?
...exclude certain modules from the reactor build.
See this feature request: https://issues.apache.org/jira/browse/MNG-5230
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What is a method that can be used to increment letters?
Does anyone know of a Javascript library (e.g. underscore, jQuery, MooTools, etc.) that offers a method of incrementing a letter?
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