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What are the main components of a Hadoop Application?
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Jun 18, 2023
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Hadoop
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Robindeniel
components-hadoop-application
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What is the Genesis Block?
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Jun 16, 2023
in
Blockchain Intermedio
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john ganales
genesisblock
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What is the purpose of a blockchain node?
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Jun 16, 2023
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Blockchain Intermedio
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john ganales
blockchain
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What is the blockchain data structure?
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Jun 16, 2023
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Blockchain Intermedio
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john ganales
blockchain
data
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Why does Blockchain need coins or tokens?
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Jun 16, 2023
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Blockchain Intermedio
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john ganales
blockchain
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What is proof-of-work?
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Jun 16, 2023
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Blockchain Intermedio
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john ganales
proof-of-work
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What is blockchain transaction?
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Jun 16, 2023
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Blockchain Intermedio
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john ganales
blockchain
transaction
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What is blockchain?
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Jun 16, 2023
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Blockchain Intermedio
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john ganales
blockchain
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What are decorators in Python?
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Jun 16, 2023
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Python Flask
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john ganales
decoratorspython
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Given variables a and b, switch their values so that b has the value of a, and a has the value of b without using an intermediary variable.
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Jun 16, 2023
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Python Flask
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john ganales
python-variables
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Why would you use the "pass" statement?
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Jun 16, 2023
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Python Flask
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john ganales
pass-statement
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Name some benefits of Python
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Jun 16, 2023
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Python Flask
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john ganales
python-benefits
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How do I modify a string?
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Jun 16, 2023
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Python Flask
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john ganales
string-modify-python
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Name some characteristics of Python?
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Jun 16, 2023
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Python Flask
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john ganales
python-characteristics
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What is the class of the object defined by x <- c(4, TRUE)?
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Jun 15, 2023
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R Basics
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john ganales
r-object
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If I execute the expression x <- 4 in R, what is the class of the object 'x' as determined by the `class()' function?
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Jun 15, 2023
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R Basics
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john ganales
r-expression
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In R the following are all atomic data types EXCEPT
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Jun 15, 2023
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R Basics
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john ganales
r-data-types
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The definition of free software consists of four freedoms (freedoms 0 through 3). Which of the following is NOT one of the freedoms that are part of the definition?
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Jun 15, 2023
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R Basics
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john ganales
r-definition
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R was developed by statisticians working at...
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Jun 15, 2023
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R Basics
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john ganales
statisticians
r-developer
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mystery_method <- function(x) { function(z) Reduce(function(y, w) w(y), x, z) }
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Jun 15, 2023
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R Basics
by
john ganales
r-function
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dplyr <- "ggplot2"
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Jun 15, 2023
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R Basics
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john ganales
ggplot2
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Say I have...
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Jun 15, 2023
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R Basics
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john ganales
r-function
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How do you test R code? Can you write a test for the function you wrote in #6?
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Jun 15, 2023
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R Basics
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john ganales
rcode
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Can you write me a function in R that replaces all missing values of a vector with the mean of that vector?
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Jun 15, 2023
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R Basics
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john ganales
rreplaces
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I want to know all the values in c(1, 4, 5, 9, 10) that are not in c(1, 5, 10, 11, 13). How do I do that with one built-in function in R? How could I do it if that function didn't exist?
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Jun 15, 2023
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R Basics
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john ganales
-function
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What is f(3) where:
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Jun 15, 2023
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R Basics
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john ganales
r-basics
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What is the difference between seq(4) and seq_along(4)?
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Jun 15, 2023
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R Basics
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john ganales
seq
seq_along
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What is the difference between sapply and lapply? When should you use one versus the other? Bonus: When should you use vapply?
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Jun 15, 2023
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R Basics
by
john ganales
sapply
lapply
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What if I concatenate a number and NA?
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Jun 15, 2023
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R Basics
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john ganales
concatenate-number
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What is the difference between a matrix and a dataframe?
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Jun 15, 2023
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R Basics
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john ganales
matrix
data-frame
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