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Postgresql aggregate array
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Thanks for contributing an answer to Stack Overflow!Please be sure to answer the question. Provide details and share your research!But avoid …Asking for help, clarification, or responding to other answers.Making statements based o...
What are the differences between the different saving methods in Hibernate?
...re is the difference between transient, detached and persistent entities. For more info on the object states, take a look here. With save & update, you are dealing with persistent objects. They are linked to a Session so Hibernate knows what has changed. But when you have a transient object,...
How to handle Objective-C protocols that contain properties?
...s to them can use them in specific ways.
That means in your class that conforms to your protocol, you have to do everything to make sure anObject works.
@property and @synthesize are at heart two mechanisms that generate code for you. @property is just saying there will be a getter (and/or sett...
Is Redis just a cache?
...odeling Questions, Users and Answers
Each object can be modeled as a Map. For example, a Question is a map with fields {id, title, date_asked, votes, asked_by, status}. Similarly, an Answer is a map with fields {id, question_id, answer_text, answered_by, votes, status}. Similarly, we can model a us...
Shadow Effect for a Text in Android? [duplicate]
...rks. But the values that i set is a problem. can you post the sample value for shadowdx , shadowdy and shadowradious?
– Praveen
Jul 21 '10 at 10:03
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ImageView - have height match width?
... be fill_parent. I want its height to be whatever the width ends up being. For example:
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How to get the selected index of a RadioGroup in Android
...adioGroup in Android or do I have to use OnCheckedChangeListener to listen for changes and have something that holds the last index selected?
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Delete a key from a MongoDB document using Mongoose
I'm using the Mongoose Library for accessing MongoDB with node.js
10 Answers
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Difference between Role and GrantedAuthority in Spring Security
...e the RoleVoter, the hasRole expression etc.) always adds the ROLE_ prefix for you. So hasAuthority('ROLE_ADMIN') means the the same as hasRole('ADMIN') because the ROLE_ prefix gets added automatically. See the spring security 3 to 4 migration guide for futher information.
But still: a role is jus...
Convert camelCaseText to Sentence Case Text
...xt.replace, I've been padding function calls with 2+ arguments with spaces for readability too
– rkd
Jan 8 '17 at 20:44
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