Kunal Puri questions

Kunal Puri answers

• How to check if vector has element that starts with specific string
• How to use lambda as STL Compare method in a template class?
• Convert from K to thousand (1000) in R
• Why do I need to have a default constructor in QVector<MyClass>?
• dygraph custom labeling on mouseover fails
• Why isn't the array being passed by reference?
• How to pick hourly values from dataset?
• Is there a way to declare objects within a conditional statement?
• multiple barplots in R side by side
• R data.table replace values in multiple columns