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How to convert a string to lower or upper case in Ruby

How do I take a string and convert it to lower or upper case in Ruby? 11 Answers 11 ...
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hexadecimal string to byte array in python

I have a long Hex string that represents a series of values of different types. I wish to convert this Hex String into a byte array so that I can shift each value out and convert it into its proper data type. ...
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How to convert a string of numbers to an array of numbers?

I have below string - 14 Answers 14 ...
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What is meant by immutable?

...ssues with objects that never change e.g. class Foo { private final String myvar; public Foo(final String initialValue) { this.myvar = initialValue; } public String getValue() { return this.myvar; } } Foo doesn't have to worry that the calle...
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How do you append an int to a string in C++? [duplicate]

... With C++11, you can write: #include <string> // to use std::string, std::to_string() and "+" operator acting on strings int i = 4; std::string text = "Player "; text += std::to_string(i); ...
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Is there a C# type for representing an integer Range?

...sents the Range in readable format.</summary> /// <returns>String representation of the Range</returns> public override string ToString() { return string.Format("[{0} - {1}]", this.Minimum, this.Maximum); } /// <summary>Determines if the range is ...
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How to loop backwards in python? [duplicate]

... All of these three solutions give the same results if the input is a string: 1. def reverse(text): result = "" for i in range(len(text),0,-1): result += text[i-1] return (result) 2. text[::-1] 3. "".join(reversed(text)) ...
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Deprecated: mysql_connect()

...f the variables. My connection file: connection.php <?php $host='IP or Server Name (usually "localhost") '; $user='Database user'; $password='Database password'; $db='Database name'; //PHP 5.4 o earlier (DEPRECATED) $con = mysql_connect($host,$user,$password) or exit("Connection Erro...
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How to get 0-padded binary representation of an integer in java?

... I think this is a suboptimal solution, but you could do String.format("%16s", Integer.toBinaryString(1)).replace(' ', '0') share | improve this answer | f...
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NGINX: upstream timed out (110: Connection timed out) while reading response header from upstream

...589120/479632 server { location / { proxy_set_header X-Real-IP $remote_addr; proxy_set_header Host $http_host; # these two lines here proxy_http_version 1.1; proxy_set_header Connection ""; proxy_pass http://localhost:5000; } } Un...