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HttpSecurity, WebSecurity and AuthenticationManagerBuilder
Could anyone explain when to override configure(HttpSecurity) , configure(WebSecurity) and configure(AuthenticationManagerBuilder) ?
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Create objective-c class instance by name?
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How to make my layout able to scroll down?
I can not scroll down the screen to view the data in the "Replied By:" section. How can I make my layout scrollable?
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Is it a good idea to use Google Guava library for Android development?
I am involved in the development of Android application which is a rather "thick" mobile client for a Web service. It heavily communicates with the server but also has a lot of inner logic too. So, I decided to use some features of Google Guava library to simplify development process. Here is a li...
postgres: upgrade a user to be a superuser?
In postgres, how do I change an existing user to be a superuser? I don't want to delete the existing user, for various reasons.
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What is a unix command for deleting the first N characters of a line?
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What is __declspec and when do I need to use it?
I have seen instances of __declspec in the code that I am reading. What is it? And when would I need to use this construct?
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Python try…except comma vs 'as' in except
What is the difference between ',' and 'as' in except statements, eg:
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MySQL DISTINCT on a GROUP_CONCAT()
I am doing SELECT GROUP_CONCAT(categories SEPARATOR ' ') FROM table . Sample data below:
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