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Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio

I have a problem when data is null and the warning has appear when the result is display. How to solve this problem?. How to change the null data to 0 when no data in the table?. ...
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CSS: Change image src on img:hover

... With only html and css, its not posible to change the src of image. If you do replace the img tag with div tag, then you might be able to change the image that is set as the background as like div { background: url('http://dummyimage....
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Medium-size Clojure sample application?

...ojure sample application that could be used as a "best-practices" example, and a good way to see what such an application would look like in terms of code and code organization? A web application would be particularly interesting to me, but most important is that the program do something commonly us...
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How do I check if string contains substring? [duplicate]

I have a shopping cart that displays product options in a dropdown menu and if they select "yes", I want to make some other fields on the page visible. ...
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Is it better practice to use String.format over string Concatenation in Java?

Is there a perceptible difference between using String.format and String concatenation in Java? 14 Answers ...
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Is there a way to @Autowire a bean that requires constructor arguments?

I'm using Spring 3.0.5 and am using @Autowire annotation for my class members as much as possible. One of the beans that I need to autowire requires arguments to its constructor. I've looked through the Spring docs, but cannot seem to find any reference to how to annotate constructor arguments. ...
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Git stash: “Cannot apply to a dirty working tree, please stage your changes”

I am trying to apply changes I stashed earlier with git stash pop and get the message: 11 Answers ...
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Unsafe JavaScript attempt to access frame with URL

...rent.location.hash = "#foobar"; you do need to know the parents location and do parent.location = "http://example.com/page/#foobar"; Since the resource is not navigated this will work as expected, only changing the hash part of the url. If you are using this for cross-domain communication, the...
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Is there a way to list task dependencies in Gradle?

...n use the --all flag to get a more detailed listing of the available tasks and the task dependencies gradle tasks --all EDIT: as noted by Radim in the comments, this command does not report dependencies, for gradle 3.3 and newer (see https://docs.gradle.org/3.3/release-notes.html#improved-perform...
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Fit Image in ImageButton in Android

... I want them to cover 75% of the button area. Use android:padding="20dp" (adjust the padding as needed) to control how much the image takes up on the button. but where as some images cover less area, some are too big to fit into the imageButton. How to programatically re...