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ERROR 1130 (HY000): Host '' is not allowed to connect to this MySQL server [duplicate]

...vileges: CREATE USER 'root'@'ip_address' IDENTIFIED BY 'some_pass'; GRANT ALL PRIVILEGES ON *.* TO 'root'@'ip_address'; If you see %, well then, there's another problem altogether as that is "any remote source". If however you do want any/all systems to connect via root, use the % wildcard to gra...
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Why rename synthesized properties in iOS with leading underscores? [duplicate]

...s is an artifact of a previous version of the Objective-C runtime. Originally, @synthesize was used to create accessors methods, but the runtime still required that instance variables had to be instantiated explicitly: @interface Foo : Bar { Baz *_qux; } @property (retain) Baz *qux; @end @imp...
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Datepicker: How to popup datepicker when click on edittext

...e: <EditText android:id="@+id/Birthday" custom:font="@string/font_avenir_book" android:clickable="true" android:editable="false" android:hint="@string/birthday"/> Now in Java File: final Calendar myCalendar = Calendar.getInstance(); EditText edittext= (EditText) findViewByI...
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error C2780: \'void __cdecl std::sort(_RI,_RI,_Pr)\' : expects 3 argum...

error C2780: 'void __cdecl std::sort(_RI,_RI,_Pr)' : expects 3 arguments - 2 providedprog7.cpp(8) :error C2780:'void __cdecl std::sort(_RI,_RI,_Pr)' : expects 3 arguments - 2 provided C: Pr...prog7.cpp(8) : error C2780: 'void __cdecl std::sort(_RI,_RI,_Pr)' : expects 3 arguments - 2 provided C:...
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Is there an exponent operator in C#?

...o in most programs, and it doesn't seem justified to add an operator when calling Math.Pow() is simple. You asked: Do I have to write a loop or include another namespace to handle exponential operations? If so, how do I handle exponential operations using non-integers? Math.Pow supports double p...
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Window.open and pass parameters by post method

...').submit(); </script> Edit: To set the values in the form dynamically, you can do like this: function openWindowWithPost(something, additional, misc) { var f = document.getElementById('TheForm'); f.something.value = something; f.more.value = additional; f.other.value = misc; win...
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Using Git, how could I search for a string across all branches?

Using Git, how could I search within all files in all local branches for a given string? 5 Answers ...
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Swift - Convert to absolute value

...alue.magnitude) // prints: 5 #2. Get absolute value of an Int from abs(_:) method Swift has a global numeric function called abs(_:) method. abs(_:) has the following declaration: func abs<T>(_ x: T) -> T where T : Comparable, T : SignedNumeric Returns the absolute value of the g...
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Understanding NSRunLoop

... run loop directly, though there are some (networking) components that may allow you to specify which run loop they will use for I/O processing. A run loop for a given thread will wait until one or more of its input sources has some data or event, then fire the appropriate input handler(s) to proce...
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How do I print a double value with full precision using cout?

... Is the really the right answer? When I manually use a high number, I can print out as many as 51 digits of approximated e, but with cout.precision(numeric_limits<double>::digits10 + 2); I only get 16.... – ...