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Are email addresses case sensitive?

...r: "you're unsafe to treat email-addresses as case-sensitive manner" Especially when checking for duplicates in user-databases, etc. – Geert-Jan Nov 16 '13 at 23:00 ...
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SecurityException: Permission denied (missing INTERNET permission?)

this error is really really really strange and I don't know how to reproduce it and how to fix it because I made a lot of searches but nothing was useful. ...
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How can I sort arrays and data in PHP?

...ue is lower and a value higher than 0 if the first value is higher. That's all that's needed: function cmp(array $a, array $b) { if ($a['foo'] < $b['foo']) { return -1; } else if ($a['foo'] > $b['foo']) { return 1; } else { return 0; } } Often, you will...
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Trying to embed newline in a variable in bash [duplicate]

...ar ) # Do not use double quotes "$var" echo "$p" Output is the same for all a b c Special thanks to contributors of this answer: kevinf, Gordon Davisson, l0b0, Dolda2000 and tripleee. EDIT See also BinaryZebra's answer providing many details. Abhijeet Rastogi's answer and Dimitry's answer...
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What is the purpose of the reader monad?

... Don't be scared! The reader monad is actually not so complicated, and has real easy-to-use utility. There are two ways of approaching a monad: we can ask What does the monad do? What operations is it equipped with? What is it good for? How is the monad implemen...
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Convert a Python list with strings all to lowercase or uppercase

...ariable that contains strings. Is there a python function that can convert all the strings in one pass to lowercase and vice versa, uppercase? ...
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How to shut down the computer from C#

...vice usually doesnt have the permissions for it. – AK_ Apr 11 '13 at 21:20 The power consumption state of the machine ...
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AngularJS - How to use $routeParams in generating the templateUrl?

... when('/', {templateUrl:'/home'}). when('/users/:user_id', { controller:UserView, templateUrl: function(params){ return '/users/view/' + params.user_id; } } ). otherwise({redire...
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iOS app error - Can't add self as subview

...ControllerDelegate protocol. This includes the following method, which is called after the animation is complete: navigationController:didShowViewController:animated: Basically you want to move some code as needed into this method to ensure that no other actions that could cause a change to the N...
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CSS '>' selector; what is it? [duplicate]

...t; does. NOTE: The > selector is not supported by IE6. It does work in all other current browsers though, including IE7 and IE8. If you're looking into less-well-used CSS selectors, you may also want to look at +, ~, and [attr] selectors, all of which can be very useful. This page has a full l...