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Remove all but numbers from NSString
... is called NSScanner. It's used as follows:
NSString *originalString = @"(123) 123123 abc";
NSMutableString *strippedString = [NSMutableString
stringWithCapacity:originalString.length];
NSScanner *scanner = [NSScanner scannerWithString:originalString];
NSCharacterSet *numbers = [NSCharact...
How can I refresh a page with jQuery?
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123
To reload a page with jQuery, do:
$.ajax({
url: "",
context: document.body,
succe...
Easiest way to split a string on newlines in .NET?
...among others) have a special meaning to the C# compiler. VB doesn't have those escape sequences, so there those constants are used instead.
– Guffa
Jul 25 '13 at 20:22
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Setting DEBUG = False causes 500 Error
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Django 1.5 introduced the allowed hosts setting that is required for security reasons. A settings file created with Django 1.5 has this new section which you need to add:
# Hosts/domain names that are valid for this site; required if DEBUG is False
# See http...
Best way to alphanumeric check in JavaScript
...amp;& // upper alpha (A-Z)
!(code > 96 && code < 123)) { // lower alpha (a-z)
return false;
}
}
return true;
};
Of course, there may be other considerations, such as readability. A one-line regular expression is definitely prettier to look at. But if you're ...
Is Python strongly typed?
I've come across links that say Python is a strongly typed language.
11 Answers
11
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Broken references in Virtualenvs
...h the letter g. This is to avoid shadowing the find binary that ships with OS X.
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php $_POST array empty upon form submission
...g didn't have a name attribute, and only in IE.
– jkt123
Jul 25 '17 at 18:13
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Creating hard and soft links using PowerShell
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@SergeVoloshenko It sure does. True, using New-Item does detect if the target is a directory, but New-Item will fail if the target does not exist whereas mklink will create the symbolic link regardless.
– Jason R...
How to configure port for a Spring Boot application
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-Dserver.port=XXXX did not work for me. I used OS environment variable mode: $ SERVER_PORT=8090 java -jar <path/to/my/jar>
– Soumya Kanti
Oct 8 '15 at 7:38
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