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Access-control-allow-origin with multiple domains

...onfig I would like to specify more than one domain for the access-control-allow-origin directive. I don't want to use * . I've tried this syntax: ...
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Encrypting & Decrypting a String in C# [duplicate]

...be getting a lot of upvotes, I've updated it to fix silly bugs and to generally improve the code based upon comments and feedback. See the end of the post for a list of specific improvements. As other people have said, Cryptography is not simple so it's best to avoid "rolling your own" encryption ...
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Can I set an opacity only to the background image of a div?

...n IE from version 8, while the ::before pseudo-element is not supported at all. This will hopefully be rectified in version 10. HTML <div class="myDiv"> Hi there </div> CSS .myDiv { position: relative; z-index: 1; } .myDiv:before { content: ""; position: absolut...
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Difference between ActionBarSherlock and ActionBar Compatibility

...t a native one. --EDIT-- It appears things have changed and there is actually no difference between ActionBarSherlock and the Action Bar Compatibility anymore. Please read the comments below for details. --EDIT-- After having used both now, I can say that I actually prefer ActionBarSherlock to A...
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What is memoization and how can I use it in Python?

...orials using memoization in Python would be something like this: factorial_memo = {} def factorial(k): if k < 2: return 1 if k not in factorial_memo: factorial_memo[k] = k * factorial(k-1) return factorial_memo[k] You can get more complicated and encapsulate the memoization...
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How should I validate an e-mail address?

...ache.commons.validator.routines.EmailValidator) (?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:25[0-...
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iphone Core Data Unresolved error while saving

...conflict with the old model implementation. Edit: I almost forgot here's all the error codes that Core Data spits out: Core Data Constants Reference I had trouble with this before and I realised I unchecked the correct optional box. Such trouble finding out the problem. Good luck. ...
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Printing all global variables/local variables?

How can I print all global variables/local variables? Is that possible in gdb? 3 Answers ...
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Check if object is a jQuery object

... isn't obj.__proto__.jquery instead of obj.constructor.prototype.jquery enough? just a bit short :) – Axel Jul 3 '17 at 9:35 ...
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force Maven to copy dependencies into target/lib

...tions> <execution> <phase>install</phase> <goals> <goal>copy-dependencies</goal> </goals> <configuration> <outputDirectory>${proj...