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How do I add a tool tip to a span element?

... Hi, Can someone clarify if this is standard in some/all HTML flavor? – Jonathan dos Santos Mar 20 '13 at 13:34 ...
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How do popular apps authenticate user requests from their mobile app to their server?

...I imagine they use a "token" based security system, so the password is actually never stored anywhere, just used the first time to authenticate. So the app initially posts the username/password (over ssl) and the server returns a token that the app stores. For subsequent sync attempts the token is s...
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How to post JSON to PHP with curl

I may be way off base, but I've been trying all afternoon to run the curl post command in this recess PHP framework tutorial. What I don't understand is how is PHP supposed to interpret my POST, it always comes up as an empty array. ...
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Returning an array using C

... use pointers for arrays when you return them. Being a new programmer, I really do not understand this at all, even with the many forums I have looked through. ...
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Secure hash and salt for PHP passwords

It is currently said that MD5 is partially unsafe. Taking this into consideration, I'd like to know which mechanism to use for password protection. ...
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How to pass object with NSNotificationCenter

...when you do the addObserver(). The receiveTestNotification should only be called when observing a specific notification. – Johan Karlsson Feb 17 '16 at 15:06 1 ...
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Class does not implement its superclass's required members

... I updated to Xcode 6 beta 5 today and noticed I received errors in nearly all of my subclasses of Apple's classes. 4 Answe...
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Alarm Manager Example

... I tried the solution from XXX and while it did initially work, at some point it stopped working. The onReceive never got called again. I spent hours trying to figure out what it could be. What I came to realize is that the Intent for whatever mysterious reason was no longer be...
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Mongoose's find method with $or condition does not work properly

...everyone to use Mongoose's query builder language and promises instead of callbacks: User.find().or([{ name: param }, { nickname: param }]) .then(users => { /*logic here*/ }) .catch(error => { /*error logic here*/ }) Read more about Mongoose Queries. ...
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How to enable C++11 in Qt Creator?

...The problem was, I wasn't able to delete your duplicate/incomplete answer, all I could do was to downvote it. Now that you have edited it to make it more presentable, I am happy with just the downvote. – nurettin Aug 21 '14 at 12:55 ...