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Determining type of an object in ruby

I'll use python as an example of what I'm looking for (you can think of it as pseudocode if you don't know Python): 5 Answe...
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C# Iterate through Class properties

I'm currently setting all of the values of my class object Record . 4 Answers 4 ...
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Maximum concurrent Socket.IO connections

This question has been asked previously but not recently and not with a clear answer. 5 Answers ...
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MySQL Select all columns from one table and some from another table

How do you select all the columns from one table and just some columns from another table using JOIN? In MySQL. 4 Answers ...
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The Concept of 'Hold space' and 'Pattern space' in sed

I'm confused by the two concepts in sed: hold space and pattern space. Can someone help explain them? 3 Answers ...
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How do I pass multiple parameters in Objective-C?

I have read several of the post about Objective-C method syntax but I guess I don't understand multiple names for a method. ...
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Difference between git pull --rebase and git pull --ff-only

Let's say origin/master has commit A--B--C and my local/master has commit A--B--D . 1 Answer ...
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What does the brk() system call do?

According to Linux programmers manual: 8 Answers 8 ...
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Convert Pandas column containing NaNs to dtype `int`

I read data from a .csv file to a Pandas dataframe as below. For one of the columns, namely id , I want to specify the column type as int . The problem is the id series has missing/empty values. ...
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Accessing bash command line args $@ vs $*

In many SO questions and bash tutorials I see that I can access command line args in bash scripts in two ways: 5 Answers ...