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What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
I have some code and when it executes, it throws a IndexOutOfRangeException , saying,
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What do hjust and vjust do when making a plot using ggplot?
Every time I make a plot using ggplot, I spend a little while trying different values for hjust and vjust in a line like
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How to make Twitter bootstrap modal full screen
How do I make a twitter bootstrap modal popup full screen for the above code, I tried playing around with css but was not able get it the way I wanted. Can anyone please help me with it.
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How can I confirm a database is Oracle & what version it is using SQL?
I'm building an installer for an application. The user gets to select a datasource they have configured and nominate what type of database it is. I want to confirm that the database type is indeed Oracle, and if possible, what version of Oracle they are running by sending a SQL statement to the dat...
What is the preferred/idiomatic way to insert into a map?
I have identified four different ways of inserting elements into a std::map :
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Empty arrays seem to equal true and false at the same time
Empty arrays are true but they're also equal to false.
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What are best practices for validating email addresses on iOS 2.0
What is the cleanest way to validate an email address that a user enters on iOS 2.0?
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RegEx for Javascript to allow only alphanumeric
I need to find a reg ex that only allows alphanumeric. So far, everyone I try only works if the string is alphanumeric, meaning contains both a letter and a number. I just want one what would allow either and not require both.
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Check if a string contains a string in C++
I have a variable of type std::string . I want to check if it contains a certain std::string . How would I do that?
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Generate a random point within a circle (uniformly)
I need to generate a uniformly random point within a circle of radius R .
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