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HTML5 Email Validation

...e="Submit"> </form> And when the user press submit, it automatically shows an error message like: share | improve this answer | follow | ...
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Swift - encode URL

...= "test/test" let escapedString = originalString.addingPercentEncoding(withAllowedCharacters: .urlHostAllowed) print(escapedString!) Output: test%2Ftest Swift 1 In iOS 7 and above there is stringByAddingPercentEncodingWithAllowedCharacters var originalString = "test/test" var escapedString...
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Dynamically set local variable [duplicate]

How do you dynamically set local variable in Python (where the variable name is dynamic)? 7 Answers ...
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How to find encoding of a file via script on Linux?

I need to find the encoding of all files that are placed in a directory. Is there a way to find the encoding used? 17 Answe...
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What is the purpose of the word 'self'?

...way that makes the instance to which the method belongs be passed automatically, but not received automatically: the first parameter of methods is the instance the method is called on. That makes methods entirely the same as functions, and leaves the actual name to use up to you (although self is th...
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Share cookie between subdomain and domain

...fy the domain as .mydomain.com (with the leading dot) in the cookie that all subdomains can share a cookie. 7 Answers ...
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How to log SQL statements in Grails

I want to log in the console or in a file, all the queries that Grails does, to check performance. 10 Answers ...
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Runtime vs. Compile time

...n compile time and run time is an example of what pointy-headed theorists call the phase distinction. It is one of the hardest concepts to learn, especially for people without much background in programming languages. To approach this problem, I find it helpful to ask What invariants does the pr...
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Does Java support default parameter values?

...berson: Static factory methods are no more harmful than new. They are used all the time in new code. Builders for simple value objects are often the result of over-engineering. – Lii Jan 22 '16 at 8:38 ...
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What to do with commit made in a detached head

...ter. To avoid detached head, don't checkout old commits. If you still want all the files from there, but as a new commit, then you could checkout the directory from the commit, instead of the commit itself. See this answer – lucidbrot Dec 3 '17 at 10:35 ...