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Why is early return slower than else?

This is a follow-up question to an answer I gave a few days back . Edit: it seems that the OP of that question already used the code I posted to him to ask the same question , but I was unaware of it. Apologies. The answers provided are different though! ...
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Determine the data types of a data frame's columns

I'm using R and have loaded data into a dataframe using read.csv() . How do I determine the data type of each column in the data frame? ...
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How to make a Java Generic method static?

The following is a snippet on how to make a java generic class to append a single item to an array. How can I make appendToArray a static method. Adding static to the method signature results in compile errors. ...
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Why is list initialization (using curly braces) better than the alternatives?

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What is `mt=8` in iTunes links for the App Store?

Does anyone know the significance of the mt parameter in App Store Links? 8 Answers ...
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Prevent row names to be written to file when using write.csv

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Reason to Pass a Pointer by Reference in C++?

Under which circumstances would you want to use code of this nature in c++? 6 Answers ...
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What is the meaning of the prefix N in T-SQL statements and when should I use it?

I have seen prefix N in some insert T-SQL queries. Many people have used N before inserting the value in a table. 4 Answe...
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How do I create a random alpha-numeric string in C++?

I'd like to create a random string, consisting of alpha-numeric characters. I want to be able to be specify the length of the string. ...
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How to find/identify large commits in git history?

I have a 300 MB git repo. The total size of my currently checked-out files is 2 MB, and the total size of the rest of the git repo is 298 MB. This is basically a code-only repo that should not be more than a few MB. ...