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PHP String to Float
I am not familiar with PHP at all and had a quick question.
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Print all but the first three columns
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Does Java casting introduce overhead? Why?
Is there any overhead when we cast objects of one type to another? Or the compiler just resolves everything and there is no cost at run time?
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What is meant by Ems? (Android TextView)
What is meant by Ems (related to a TextView)? For example in
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Are there any side effects of returning from inside a using() statement?
Returning a method value from inside a using statement that gets a DataContext seems to always work fine , like this:
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What's the valid way to include an image with no src?
I have an image that I will dynamically populate with a src later with javascript but for ease I want the image tag to exist at pageload but just not display anything. I know <img src='' /> is invalid so what's the best way to do this?
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How to format a string as a telephone number in C#
I have a string "1112224444' it is a telephone number. I want to format as 111-222-4444 before I store it in a file. It is on a datarecord and I would prefer to be able to do this without assigning a new variable.
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Getting exact error type in from DbValidationException
I have the situation where I'm initializing my model in DatabaseInitializer() for EF 4.1 and get this annoying error "Validation failed for one or more entities. See 'EntityValidationErrors' property for more details." So, I go to this EntityValidationErrors and there is a field {System.Data.Enti...
MySql - Way to update portion of a string?
I'm looking for a way to update just a portion of a string via MySQL query.
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Extract a substring from a string in Ruby using a regular expression
How can I extract a substring from within a string in Ruby?
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