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Swift - How to convert String to Double
... a BMI program in swift language.
And I got this problem: how to convert a String to a Double?
29 Answers
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ValueError : I/O operation on closed file
Here, p is a dictionary, w and c both are strings.
2 Answers
2
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Multi-line strings in PHP
... <<<XML
l
vv
XML;
Edit based on comment:
You can concatenate strings using the .= operator.
$str = "Hello";
$str .= " World";
echo $str; //Will echo out "Hello World";
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Prepend text to beginning of string
What is the fastest method, to add a new value at the beginning of a string?
8 Answers
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How to perform Unwind segue programmatically?
...nsert Name of Segue to unwind.
Then,- (void)performSegueWithIdentifier:(NSString *)identifier sender:(id)sender. with your segue identify.
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Find text string using jQuery?
Say a web page has a string such as "I am a simple string" that I want to find. How would I go about this using JQuery?
7 A...
Git says “Warning: Permanently added to the list of known hosts”
... running ssh from the command line add the following option to the command string:
-o LogLevel=quiet
For example, the following prints out the gcc version installed on machine.example.org (and no warning):
ssh -o UserKnownHostsFile=/dev/null \
-o StrictHostKeyChecking=no \
-o LogLevel=qu...
Finding last occurrence of substring in string, replacing that
So I have a long list of strings in the same format, and I want to find the last "." character in each one, and replace it with ". - ". I've tried using rfind, but I can't seem to utilize it properly to do this.
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How do I initialize an empty array in C#?
...e size of in advance, there are better options than arrays.
Use a List<string> instead - it will allow you to add as many items as you need and if you need to return an array, call ToArray() on the variable.
var listOfStrings = new List<string>();
// do stuff...
string[] arrayOfStrin...
Best Practices: working with long, multiline strings in PHP?
...tween the EOT. It's
the delimiter that ends the text
of your multiline string.
$var
EOT;
The difference between Heredoc and Nowdoc is that PHP code embedded in a heredoc gets executed, while PHP code in Nowdoc will be printed out as is.
$var = "foo";
$text = <<<'EOT'
My $var
EOT;...