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What are best practices for validating email addresses on iOS 2.0

...his modification of DHValidation: - (BOOL) validateEmail: (NSString *) candidate { NSString *emailRegex = @"(?:[a-z0-9!#$%\\&'*+/=?\\^_`{|}~-]+(?:\\.[a-z0-9!#$%\\&'*+/=?\\^_`{|}" @"~-]+)*|\"(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21\\x23-\\x5b\\x5d-\\" @"x7f]|\\\\[\\x01-\\x09\\x0b\\x0c...
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std::vector versus std::array in C++

What are the difference between a std::vector and an std::array in C++? When should one be preferred over another? What are the pros and cons of each? All my textbook does is list how they are the same. ...
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How to install therubyracer gem on 10.10 Yosemite?

... It's also worth mentioning that if you're using a Gemfile and still having trouble installing therubyracer, it's probably because there's a different version of libv8 that's already been added to the Gemfile.lock. Just add gem 'libv8', '3.16.14.3' (or whatever is the exact version o...
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Akka Kill vs. Stop vs. Poison Pill?

... Both stop and PoisonPill will terminate the actor and stop the message queue. They will cause the actor to cease processing messages, send a stop call to all its children, wait for them to terminate, then call its postStop hook. All ...
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How to use DISTINCT and ORDER BY in same SELECT statement?

...he DISTINCT. To do this, you need to use an aggregate function to sort on, and use a GROUP BY to make the DISTINCT work. Try something like this: SELECT DISTINCT Category, MAX(CreationDate) FROM MonitoringJob GROUP BY Category ORDER BY MAX(CreationDate) DESC, Category ...
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Defining a HTML template to append using JQuery

...of a templating engine in your project, such as: mustache underscore.js handlebars If you don't want to include another library, John Resig offers a jQuery solution, similar to the one below. Browsers and screen readers ignore unrecognized script types: <script id="hidden-template" type="...
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How do I make Git ignore file mode (chmod) changes?

...bit on. git-clone(1) or git-init(1) probe the filesystem to see if it handles the executable bit correctly and this variable is automatically set as necessary. A repository, however, may be on a filesystem that handles the filemode correctly, and this variable is set to true wh...
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Remove Select arrow on IE

...ve the arrow, then i can add other icon.. i can do that for Firefox Safari and Chrome, but this didn't work on IE9 . 3 Ans...
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How to assign a Git SHA1's to a file without Git?

As I understand it when Git assigns a SHA1 hash to a file this SHA1 is unique to the file based on its contents. 12 Answer...
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How do I measure request and response times at once using cURL?

... have a web service that receives data in JSON format, processes the data, and then returns the result to the requester. 14...