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Get the last 4 characters of a string [duplicate]
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Like this:
>>>mystr = "abcdefghijkl"
>>>mystr[-4:]
'ijkl'
This slices the string's last 4 characters. The -4 starts the range from the string's end. A modified expression with [:-4] removes the same 4 characters from the end of the string:
>>>mystr[:-4]
'abcde...
What is the difference between require and require-dev sections in composer.json?
...ill never be installed
For reference, see:
https://getcomposer.org/doc/04-schema.md#require
https://getcomposer.org/doc/04-schema.md#require-dev
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In a bootstrap responsive page how to center a div
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UPDATE for Bootstrap 4
Simpler vertical grid alignement with flex-box
@import url('https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css');
html,
body {
height: 100%
}
<div class="h-100 row align-items-cent...
Fastest way to replace NAs in a large data.table
...m.time(a_gdata = f_gdata(dt1))
user system elapsed
18.805 12.301 134.985
system.time(a_andrie = f_andrie(dt1))
Error: cannot allocate vector of size 305.2 Mb
Timing stopped at: 14.541 7.764 68.285
system.time(f_dowle(dt1))
user system elapsed
7.452 4.144 19.590 # EDIT has fas...
How to get the number of Characters in a String?
...ay 2018, for Go 1.11), len([]rune(string)) is now optimized. (Fixes issue 24923)
The compiler detects len([]rune(string)) pattern automatically, and replaces it with for r := range s call.
Adds a new runtime function to count runes in a string.
Modifies the compiler to detect the pattern len([]rune...
How do I put the image on the right side of the text in a UIButton?
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manmal
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answered May 4 '17 at 14:21
BenjaminBenjamin
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How to get domain URL and application name?
...lt;html lang="en">
<head>
<title>SO question 2204870</title>
<base href="${fn:substring(url, 0, fn:length(url) - fn:length(uri))}${req.contextPath}/">
<script src="js/global.js"></script>
<link rel="stylesheet" href="css/g...
How do you clear the focus in javascript?
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edited Jul 21 at 5:40
Donald Duck
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answe...
How to use a variable to specify column name in ggplot
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answered Mar 10 '14 at 19:20
David RobinsonDavid Robinson
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