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What are Maven goals and phases and what is their difference?

.... Maven is based around the central concept of a Build Life Cycles. Inside each Build Life Cycles there are Build Phases, and inside each Build Phases there are Build Goals. We can execute either a build phase or build goal. When executing a build phase we execute all build goals within that...
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Non-static method requires a target

...s and you use those references in your lambda (e.g. ProductDetail.Products.ID) then that "Products" context remains null if you manually created the Entity. share | improve this answer | ...
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Is there an equivalent to background-size: cover and contain for image elements?

...r; on the img . body { margin: 0; } img { display: block; width: 100vw; height: 100vh; object-fit: cover; } <img src="http://lorempixel.com/1500/1000" /> See MDN - regarding object-fit: cover: The replaced content is sized to maintain its aspect ratio while ...
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What is Dependency Injection and Inversion of Control in Spring Framework?

...hey will get those dependencies. It is the responsibility of Spring to provide the required dependencies for creating objects. For example: Suppose we have an object Employee and it has a dependency on object Address. We would define a bean corresponding to Employee that will define its dependency...
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Only using @JsonIgnore during serialization, but not deserialization

... sure to remove @JsonProperty from the field itself otherwise it will override your getter/setter annotations – Anton Soradoi Mar 4 '15 at 15:14 ...
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Xcode “Build and Archive” from command line

Xcode 3.2 provides an awesome new feature under the Build menu, "Build and Archive" which generates an .ipa file suitable for Ad Hoc distribution. You can also open the Organizer, go to "Archived Applications," and "Submit Application to iTunesConnect." ...
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Building a fat jar using maven

...;build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-assembly-plugin</artifactId> <version>CHOOSE LATEST VERSION HERE</version> <configuration> ...
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How to read the mode field of git-ls-tree's output

...IX notations. First two digits show file type, the third one is about set-uid/set-gid/sticky bits, and you know the last three. Here is how man 2 stat documents it on my GNU/Linux system: The following flags are defined for the st_mode field: S_IFMT 0170000 bit mask for the file t...
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How to handle the modal closing event in Twitter Bootstrap?

...and 4 Bootstrap 3 and Bootstrap 4 docs refer two events you can use. hide.bs.modal: This event is fired immediately when the hide instance method has been called. hidden.bs.modal: This event is fired when the modal has finished being hidden from the user (will wait for CSS transitions to comp...
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What is the meaning of addToBackStack with null parameter?

...mean by get the fragment later. More information @ http://developer.android.com/guide/components/fragments.html http://developer.android.com/reference/android/app/FragmentTransaction.html#addToBackStack(java.lang.String) ...