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What is the difference between :first-child and :first-of-type?
I can't tell the difference between element:first-child and element:first-of-type
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Convert to/from DateTime and Time in Ruby
How do you convert between a DateTime and a Time object in Ruby?
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SqlException from Entity Framework - New transaction is not allowed because there are other threads
I am currently getting this error:
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What is the difference between linear regression and logistic regression?
When we have to predict the value of a categorical (or discrete) outcome we use logistic regression . I believe we use linear regression to also predict the value of an outcome given the input values.
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LINQ Aggregate algorithm explained
This might sound lame, but I have not been able to find a really good explanation of Aggregate .
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WPF: Grid with column/row margin/padding?
Is it easily possible to specify a margin and/or padding for rows or columns in a WPF Grid?
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Scatterplot with too many points
I am trying to plot two variables where N=700K. The problem is that there is too much overlap, so that the plot becomes mostly a solid block of black. Is there any way of having a grayscale "cloud" where the darkness of the plot is a function of the number of points in an region? In other words, ins...
how to add records to has_many :through association in rails
How do I add to the Agents model for Customer ?
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Multiple file upload in php
I want to upload multiple files and store them in a folder and get the path and store it in the database... Any good example you looked for doing multiple file upload...
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Array Length in Java
I declared an array as shown below:
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