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How to learn R as a programming language [closed]
I'd like to know how to learn the R language as as 'programming' language as opposed to learning it as a statistical system. My question is prompted by lack of understanding of such functions as parse, eval, etc. which may not find frequent use by an R user with a 'statistics' persuasion.
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Python pandas: fill a dataframe row by row
The simple task of adding a row to a pandas.DataFrame object seems to be hard to accomplish. There are 3 stackoverflow questions relating to this, none of which give a working answer.
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Advantages and disadvantages of GUID / UUID database keys
I've worked on a number of database systems in the past where moving entries between databases would have been made a lot easier if all the database keys had been GUID / UUID values. I've considered going down this path a few times, but there's always a bit of uncertainty, especially around perfor...
How can I send an email by Java application using GMail, Yahoo, or Hotmail?
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First download the JavaMail API and make sure the relevant jar files are in your classpath.
Here's a full working example using GMail.
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
public class Main {
private static String USER_NA...
`testl` eax against eax?
...It tests whether eax is 0, or above, or below. In this case, the jump is taken if eax is 0.
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Step-by-step debugging with IPython
...ou don't have the stepping immediately, you're in ipdb afterwards.
This makes debugging individual functions easy, as you can just load a file with %load and then run a function. You could force an error with an assert at the right position.
%pdb is a line magic. Call it as %pdb on, %pdb 1, %pdb o...
When should I use Arrow functions in ECMAScript 6?
...the context of the upcoming ECMAScript 6 (Harmony) and who have already worked with the language.
9 Answers
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Android Studio could not find any version that matches com.android.support:appcompat-v7:+
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From Android Studio go to:
Tools >> Android >> SDK Manager
Select and install "Extras|Android Support Repository"
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NHibernate vs LINQ to SQL
...ho hasn't used either technology on real-world projects I wonder if anyone knows how these two complement each other and how much their functionalities overlap?
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Is there a way to suppress JSHint warning for one given line?
I have a (single) case in my app were eval is used, and I would like to suppress JSHint warning only for this case.
3 Ans...