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What is the difference between gsub and sub methods for Ruby Strings
I have been perusing the documentation for String today, and I saw the :sub method, which I'd never noticed before. I've been using :gsub and it appears that they are essentially the same. Can anyone explain the difference to me? Thanks!
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Spring 3 MVC accessing HttpRequest from controller
I would like to handle request and session attributes myself rather then leave it to spring @SessionAttributes , for login of cookies handling for example.
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Difference between scaling horizontally and vertically for databases [closed]
I have come across many NoSQL databases and SQL databases. There are varying parameters to measure the strength and weaknesses of these databases and scalability is one of them. What is the difference between horizontally and vertically scaling these databases?
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cleanest way to skip a foreach if array is empty [duplicate]
Not a major problem but I was wondering if there is a cleaner way to do this. It would be good to avoid nesting my code with an unnecessary if statement. If $items is empty php throws an error.
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How to handle ListView click in Android
How do I listen to click event on a ListView?
9 Answers
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Django - Circular model import issue
I'm really not getting this, so if someone could explain how this works I'd very much appreciate it. I have two applications, Accounts and Theme... here is my settings list:
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Maven is not working in Java 8 when Javadoc tags are incomplete
Since I use Maven I have been able to build and install in my local repository projects that have incomplete Javadoc tags (for example, a missing parameter).
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Why should a Java class implement comparable?
Why is Java Comparable used? Why would someone implement Comparable in a class? What is a real life example where you need to implement comparable?
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Difference between `npm start` & `node app.js`, when starting app?
I have installed an application using the command express new 'filename' . I have just learned that you can start an application using:
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Can you use if/else conditions in CSS?
I would like to use conditions in my CSS.
16 Answers
16
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