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Finding ALL duplicate rows, including “elements with smaller subscripts”
R's duplicated returns a vector showing whether each element of a vector or data frame is a duplicate of an element with a smaller subscript. So if rows 3, 4, and 5 of a 5-row data frame are the same, duplicated will give me the vector
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How to create Java gradle project
How to create Java Gradle project from command line?
7 Answers
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Removing a list of characters in string
I want to remove characters in a string in python:
18 Answers
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python max function using 'key' and lambda expression
I come from OOP background and trying to learn python.
I am using the max function which uses a lambda expression to return the instance of type Player having maximum totalScore among the list players .
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Determine if string is in list in JavaScript
In SQL we can see if a string is in a list like so:
14 Answers
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Simple 'if' or logic statement in Python [closed]
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2 Answers
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6个变态的C语言Hello World程序 - 创意 - 清泛网 - 专注C/C++及内核技术
...程通过。
hello1.c
#define _________ }
#define ________ putchar
#define _______ main
#define _(a) ________(a);
#define ______ _______(){
#define __ ______ _(0x48)_(0x65)_(0x6C)_(0x6C)
#define ___ _(0x6F)_(0x2C)_(0x20)_(0x77)_(0x6F)
#define ____ _(0x72)_(0x6C)_(0x64)_(0x21)
#define...
Python - How to sort a list of lists by the fourth element in each list? [duplicate]
...o sort the following list of lists by the fourth element (the integer) in each individual list.
2 Answers
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Deleting an element from an array in PHP
Is there an easy way to delete an element from an array using PHP, such that foreach ($array) no longer includes that element?
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