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Jdbctemplate query for string: EmptyResultDataAccessException: Incorrect result size: expected 1, ac

...am using Jdbctemplate to retrieve a single String value from the db. Here is my method. 17 Answers ...
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How can I wait In Node.js (JavaScript)? l need to pause for a period of time

... Best way to do this is to break your code into multiple functions, like this: function function1() { // stuff you want to happen right away console.log('Welcome to My Console,'); } function function2() { // all the stuff you wan...
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Close iOS Keyboard by touching anywhere using Swift

I have been looking all over for this but I can't seem to find it. I know how to dismiss the keyboard using Objective-C but I have no idea how to do that using Swift ? Does anyone know? ...
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How does virtual inheritance solve the “diamond” (multiple inheritance) ambiguity?

...iagram), one for B and one for C who virtually inherit A. D's object size is increased because it stores 2 pointers now; however there is only one A now. So B::A and C::A are the same and so there can be no ambiguous calls from D. If you don't use virtual inheritance you have the second diagram...
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“X does not name a type” error in C++

...ssageBox has not yet been defined. The compiler has no idea MyMessageBox exists, so cannot understand the meaning of your class member. You need to make sure MyMessageBox is defined before you use it as a member. This is solved by reversing the definition order. However, you have a cyclic dependenc...
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Multiple Inheritance in PHP

... Alex, most of the times you need multiple inheritance is a signal your object structure is somewhat incorrect. In situation you outlined I see you have class responsibility simply too broad. If Message is part of application business model, it should not take care about renderin...
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Access Container View Controller from Parent iOS

... controller (the one housing the container view) implement a method like this: - (void) prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender { NSString * segueName = segue.identifier; if ([segueName isEqualToString: @"alertview_embed"]) { AlertViewController * childViewControll...
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Design Patterns: Factory vs Factory method vs Abstract Factory

... be able to create two kinds of Fruit: Apple and Orange. Factory Factory is "fixed", in that you have just one implementation with no subclassing. In this case, you will have a class like this: class FruitFactory { public Apple makeApple() { // Code for creating an Apple here. } publi...
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sort object properties and JSON.stringify

...tion has a large array of objects, which I stringify and save them to the disk. Unfortunately, when the objects in the array are manipulated, and sometimes replaced, the properties on the objects are listed in different orders (their creation order?). When I do JSON.stringify() on the array and sav...
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How do I show the changes which have been staged?

...n the cache/index (i.e. staged changes) against the current HEAD. --staged is a synonym for --cached. --staged and --cached does not point to HEAD, just difference with respect to HEAD. If you cherry pick what to commit using git add --patch (or git add -p), --staged will return what is staged. ...