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Remove duplicated rows
...for larger data sets
library(microbenchmark)
library(data.table)
set.seed(123)
DF <- as.data.frame(matrix(sample(1e8, 1e5, replace = TRUE), ncol = 10))
DT <- copy(DF)
setDT(DT)
microbenchmark(unique(DF), unique(DT))
# Unit: microseconds
# expr min lq mean median ...
Convert javascript array to string
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123
Converting From Array to String is So Easy !
var A = ['Sunday','Monday','Tuesday','Wednesday'...
Reusable library to get human readable version of file size?
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123
A library that has all the functionality that it seems you're looking for is humanize. humani...
How to automatically add user account AND password with a Bash script?
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123
You can run the passwd command and send it piped input. So, do something like:
echo thePassw...
JavaScript file upload size validation
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123
Using jquery:
<form action="upload" enctype="multipart/form-data" method="post">
U...
Set Focus on EditText
... necessary or i can just show it immediately?
– Coder123
Mar 6 '19 at 8:15
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How to round float numbers in javascript?
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Number((456.1235).toFixed(3)) -> 456.123, Number((1.235).toFixed(2)) -> 1.24... Stupid JavaSript...
– NoOne
Jun 21 '15 at 9:31
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Tracking the script execution time in PHP
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Shorter version of talal7860's answer
<?php
// At start of script
$time_start = microtime(...
How to Batch Rename Files in a macOS Terminal?
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You can use a regex as well. rename 's/123/onetwothree/g' *
– Bryan
Aug 10 '16 at 17:52
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Which letter of the English alphabet takes up most pixels?
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123
Further to Ned Batchelder's awesomely practical answer, because I came here wondering about di...