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Meaning of “[: too many arguments” error from if [] (square brackets)
...is split out into many arguments:
VARIABLE=$(/some/command);
# returns "hello world"
if [ $VARIABLE == 0 ]; then
# fails as if you wrote:
# if [ hello world == 0 ]
fi
The same will be true for any function call that puts down a string containing spaces or other special characters.
Easy...
How can I remove the string “\n” from within a Ruby string?
...ng whitespace from your string removed you can use the strip method.
" hello ".strip #=> "hello"
"\tgoodbye\r\n".strip #=> "goodbye"
as mentioned here.
edit The original title for this question was different. My answer is for the original question.
...
Remove non-utf8 characters from string
...Char;
}
}
return $NewStr;
}
How it works:
echo remove_bs('Hello õhowå åare youÆ?'); // Hello how are you?
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How to read from standard input in the console?
...tln("Your text was: ", text)
}
}
}
Output:
Enter your text: Hello world!
Your text was: Hello world!
Enter your text: Go is awesome!
Your text was: Go is awesome!
Enter your text: q
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HTML in string resource?
...led_text" />
And in strings.xml:
<string name="my_styled_text">Hello, <b>World</b>!</string>
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Read and write a String from text file
...le.txt")
// define the string/text to be saved
let text = "Hello World !!!"
// writing to disk
// Note: if you set atomically to true it will overwrite the file if it exists without a warning
try text.write(to: fileURL, atomically: false, encoding: .utf8)
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Fastest way to check a string contain another substring in JavaScript?
...
The Fastest
(ES6) includes
var string = "hello",
substring = "lo";
string.includes(substring);
ES5 and older indexOf
var string = "hello",
substring = "lo";
string.indexOf(substring) !== -1;
http://jsben.ch/9cwLJ
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What's the difference of strings within single or double quotes in groovy?
...tain embedded references to variables and other expressions. For example: "Hello $name", "Hello ${some-expression-here}". In this case a GString will be instantiated instead of a regular String. On the other hand single-quoted strings do not support this syntax and always result in a plain String. M...
how to implement a pop up dialog box in iOS
... a sample of how it looks in Swift:
let alert = UIAlertController(title: "Hello!", message: "Message", preferredStyle: UIAlertControllerStyle.alert)
let alertAction = UIAlertAction(title: "OK!", style: UIAlertActionStyle.default)
{
(UIAlertAction) -> Void in
}
alert.addAction(alertAction)
pr...
Is there a JavaScript function that can pad a string to get to a determined length?
...
Does not seem to work when pad is a space: pad("hello", 20) = "hello "
– Cillié Malan
Oct 5 '15 at 8:57
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