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Using 'return' in a Ruby block
I'm trying to use Ruby 1.9.1 for an embedded scripting language, so that "end-user" code gets written in a Ruby block. One issue with this is that I'd like the users to be able to use the 'return' keyword in the blocks, so they don't need to worry about implicit return values. With this in mind, t...
HTML in string resource?
I know I can put escaped HTML tags in string resources. However, looking at the source code for the Contacts application I can see that they have a way of not having to encode the HTML. Quote from the Contacts application strings.xml :
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What are rvalues, lvalues, xvalues, glvalues, and prvalues?
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I guess this document might serve as a not so short introduction : n3055
The whole massacre began with the move semantics. Once we have expressions that can be moved and not copied, suddenly easy to grasp rules demanded distinction between e...
How can I remove duplicate rows?
What is the best way to remove duplicate rows from a fairly large SQL Server table (i.e. 300,000+ rows)?
38 Answers
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Why should I use 'li' instead of 'div'?
I'm not sure why I need to use ul-li vs simply using divs when listing items. I can make both look exactly the same so where is the functional advantage to creating an unordered list vs lining up divs?
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How to clear MemoryCache?
I have created a cache using the MemoryCache class. I add some items to it but when I need to reload the cache I want to clear it first. What is the quickest way to do this? Should I loop through all the items and remove them one at a time or is there a better way?
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How to convert PascalCase to pascal_case?
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Try this on for size:
$tests = array(
'simpleTest' => 'simple_test',
'easy' => 'easy',
'HTML' => 'html',
'simpleXML' => 'simple_xml',
'PDFLoad' => 'pdf_load',
'startMIDDLELast' => 'start_middle_last',
'AString' => 'a_string',
'Some...
Cron jobs and random times, within given hours
I need the ability to run a PHP script 20 times a day at completely random times. I also want it to run only between 9am - 11pm.
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What is the correct way to create a single-instance WPF application?
Using C# and WPF under .NET (rather than Windows Forms or console), what is the correct way to create an application that can only be run as a single instance?
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Differences between Exception and Error
I'm trying to learn more about basic Java and the different types of Throwables, can someone let me know the differences between Exceptions and Errors?
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