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Why is volatile needed in C?
Why is volatile needed in C? What is it used for? What will it do?
18 Answers
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HashMap get/put complexity
We are used to saying that HashMap get/put operations are O(1). However it depends on the hash implementation. The default object hash is actually the internal address in the JVM heap. Are we sure it is good enough to claim that the get/put are O(1) ?
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How to determine if binary tree is balanced?
It's been a while from those school years. Got a job as IT specialist at a hospital. Trying to move to do some actual programming now. I'm working on binary trees now, and I was wondering what would be the best way to determine if the tree is height-balanced.
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Prefer composition over inheritance?
Why prefer composition over inheritance? What trade-offs are there for each approach? When should you choose inheritance over composition?
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Coding in Other (Spoken) Languages
This is something I've always wondered, and I can't find any mention of it anywhere online. When a shop from, say Japan, writes code, would I be able to read it in English? Or do languages, like C, PHP, anything, have Japanese translations that they write?
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JPA : How to convert a native query result set to POJO class collection
I am using JPA in my project.
21 Answers
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Difference between attr_accessor and attr_accessible
In Rails, what is the difference between attr_accessor and attr_accessible ? From my understanding, using attr_accessor is used to create getter and setter methods for that variable, so that we can access the variable like Object.variable or Object.variable = some_value .
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Simplest way to detect a mobile device in PHP
What is the simplest way to tell if a user is using a mobile device to browse my site using PHP?
15 Answers
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How to prevent buttons from submitting forms
In the following page, with Firefox the remove button submits the form, but the add button does not.
17 Answers
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Is it possible for git-merge to ignore line-ending differences?
Is it possible for git merge to ignore line-ending differences?
10 Answers
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