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Why fragments, and when to use fragments instead of activities?
In Android API 11+, Google has released a new class called Fragment .
11 Answers
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What's the Point of Multiple Redis Databases?
...is into separate databases as I sometimes need to make use of the keys command on one specific kind of data, and wanted to separate it to make that faster.
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Why doesn't JavaScript support multithreading?
...however use, as was suggested, setTimeout to allow some sort of scheduling and “fake” concurrency. This causes the browser to regain control of the rendering thread, and start the JavaScript code supplied to setTimeout after the given number of milliseconds. This is very useful if you want to al...
Use email address as primary key?
Is email address a bad candidate for primary when compared to auto incrementing numbers?
25 Answers
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What's the difference between an id and a class?
What's the difference between <div class=""> and <div id=""> when it comes to CSS? Is it alright to use <div id=""> ?
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Should “node_modules” folder be included in the git repository
... applications), including node_modules in your git repo is a viable choice and which alternative you choose depends on your project.
Because he argued very well against node_modules I will concentrate on arguments for them.
Imagine that you have just finished enterprise app and you will have to su...
Is there a way to simulate the C++ 'friend' concept in Java?
... in JAVA to replicate C++ friend mechanism.
Lets say I have a class Romeo and another class Juliet. They are in different packages (family) for hatred reasons.
Romeo wants to cuddle Juliet and Juliet wants to only let Romeo cuddle her.
In C++, Juliet would declare Romeo as a (lover) friend but th...
What's the difference between istringstream, ostringstream and stringstream? / Why not use stringstr
When would I use std::istringstream , std::ostringstream and std::stringstream and why shouldn't I just use std::stringstream in every scenario (are there any runtime performance issues?).
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Hibernate Error: org.hibernate.NonUniqueObjectException: a different object with the same identifier
I have two user Objects and while I try to save the object using
36 Answers
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How to prevent sticky hover effects for buttons on touch devices
I have created a carousel with a previous and a next button that are always visible. These buttons have a hover state, they turn blue. On touch devices, like iPad, the hover state is sticky, so the button stays blue after tapping it. I don't want that.
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