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Validating email addresses using jQuery and regex

...EmailAddress(emailAddress) { var pattern = /^([a-z\d!#$%&'*+\-\/=?^_`{|}~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+(\.[a-z\d!#$%&'*+\-\/=?^_`{|}~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+)*|"((([ \t]*\r\n)?[ \t]+)?([\x01-\x08\x0b\x0c\x0e-\x1f\x7f\x21\x23-\x5b\x5d-\x7e\u00A0-\uD7FF\uF900-\u...
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Display image as grayscale using matplotlib

...If you want to display the inverse grayscale, switch the cmap to cmap='gray_r'. share | improve this answer | follow | ...
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Interop type cannot be embedded

... .NET 4.0 allows primary interop assemblies (or rather, the bits of it that you need) to be embedded into your assembly so that you don't need to deploy them alongside your application. For whatever reason, this assembly can't be embe...
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Port 80 is being used by SYSTEM (PID 4), what is that?

...P adress is 0.0.0.0, state = LISTENING: means that port 80 is listening to all interfaces (not used) How to read NETSTAT -AN results: https://sites.google.com/site/xiangyangsite/home/technical-tips/linux-unix/networks-related-commands-on-linux/how-to-read-netstat--an-results ...
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PHP method chaining?

...g PHP 5 and I've heard of a new featured in the object-oriented approach, called 'method chaining'. What is it exactly? How do I implement it? ...
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How to run a Runnable thread in Android at defined intervals?

... Alex, i have one small doubt.Now the thread is running perfectly and displaying the text continously, if i want to stop this means what i have to do?Please help me. – Rajapandian Dec 17 '09 at 14:19 ...
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Run a Python script from another Python script, passing in arguments [duplicate]

... I believe it's generally preferable to use subprocess.Popen over os.system: docs.python.org/library/subprocess.html#replacing-os-system. – Katriel Sep 23 '10 at 20:15 ...
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Finding Variable Type in JavaScript

... siple function would be:function getVariableType(object){ return(object.__proto__.constructor.name); } – Stu Mar 4 '18 at 15:23 ...
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How to get the last char of a string in PHP?

... I think this is a better solution because it allows you to modify the character, whereas the substr solution given above does not. – cazort Aug 19 '17 at 15:16 ...
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Entity Framework - Code First - Can't Store List

... This is the only really correct answer IMHO. All the others require you to change your model, and that violates the principle that domain models should be persistence ignorant. (It is fine if you are using separate persistence and domain model...