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MySQL show status - active or total connections?

...show status like 'Con%' it shows the number of connections, which is 9972 and constantly growing. Is this an active number of connections or connections made in total? ...
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Is it better in C++ to pass by value or pass by constant reference?

...l types, except for builtin types (char, int, double, etc.), for iterators and for function objects (lambdas, classes deriving from std::*_function). This was especially true before the existence of move semantics. The reason is simple: if you passed by value, a copy of the object had to be made an...
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How to fully delete a git repository created with init?

I created a git repository with git init . I'd like to delete it entirely and init a new one. 13 Answers ...
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What is the difference between a URI, a URL and a URN?

People talk about URL s, URI s, and URN s as if they're different things, but they look the same to the naked eye. 31 An...
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String concatenation: concat() vs “+” operator

Assuming String a and b: 11 Answers 11 ...
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Finding Key associated with max Value in a Java Map

...e over the map's entry set, remembering both the "currently known maximum" and the key associated with it. (Or just the entry containing both, of course.) For example: Map.Entry<Foo, Bar> maxEntry = null; for (Map.Entry<Foo, Bar> entry : map.entrySet()) { if (maxEntry == null || e...
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Injecting $scope into an angular service function()

... inheriting from a parent scope). The root of all scopes is the $rootScope and you can create a new child-scope using the $new() method of any scope (including the $rootScope). The purpose of a Scope is to "glue together" the presentation and the business logic of your app. It does not make much s...
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Excel Date to String conversion

...YY hh:mm:ss") (24 hour time) =TEXT(A1,"DD/MM/YYYY hh:mm:ss AM/PM") (standard time) share | improve this answer | follow | ...
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Xcode 4 hangs at “Attaching to (app name)”

I just upgraded to Xcode 4 and for some reason my app won't run in the simulator or iOS device. It was working perfectly in Xcode 3, but all of a sudden now when I press run the program stops at "Attaching to...". There doesn't seem to be any other info to help with this problem either. ...
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Is Safari on iOS 6 caching $.ajax results?

...n so it is using the Safari WebView. Our $.ajax calls are POST methods and we have cache set to false {cache:false} , but still this is happening. We tried manually adding a TimeStamp to the headers but it did not help. ...