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Origin is not allowed by Access-Control-Allow-Origin

...trol-Allow-Origin * setting in the Apache configuration or htaccess file. It should be noted that this effectively disables CORS protection, which very likely exposes your users to attack. If you don't know that you specifically need to use a wildcard, you should not use it, and instead you should ...
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What does the plus sign do in '+new Date'

... that's the + unary operator, it's equivalent to: function(){ return Number(new Date); } see: http://xkr.us/articles/javascript/unary-add/ and in MDN: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators#Una...
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How to search for a string in text files?

I want to check if a string is in a text file. If it is, do X. If it's not, do Y. However, this code always returns True for some reason. Can anyone see what is wrong? ...
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Making a UITableView scroll when text field is selected

...d error, I'm giving up and asking the question. I've seen a lot of people with similar problems but can't get all the answers to work right. ...
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How to get ID of the last updated row in MySQL?

...value', id = (SELECT @update_id := id) WHERE some_other_column = 'blah' LIMIT 1; SELECT @update_id; EDIT by aefxx This technique can be further expanded to retrieve the ID of every row affected by an update statement: SET @uids := null; UPDATE footable SET foo = 'bar' WHERE fooid > 5 ...
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How should I validate an e-mail address?

...e an e-mail to just send a confirmation e-mail to the address provided and it it bounces then it's not valid. If you want to perform some basic checks you could just check that it's in the form *@* If you have some business logic specific validation then you could perform that using a regex, e.g. ...
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Pass array to ajax request in $.ajax() [duplicate]

... yes...that worked..thanks..one more thing can be done ...that is initialize info = {}; then data: info, – Poonam Bhatt Jan 18 '12 at 4:45 2 ...
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What events does an fire when it's value is changed?

...ws what events an HTML5 <input type="number" /> element fires when its up / down arrows are clicked: 5 Answers ...
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applicationWillEnterForeground vs. applicationDidBecomeActive, applicationWillResignActive vs. appli

...when an application is waking up from being in the background and you want it to prep it to be active? 7 Answers ...
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What is “thread local storage” in Python, and why do I need it?

...ared, except for function-local variables (because each function call gets its own set of locals, and threads are always separate function calls.) And even then, only the variables themselves (the names that refer to objects) are local to the function; objects themselves are always global, and anyth...