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Return type of '?:' (ternary conditional operator)
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Expressions don't have return types, they have a type and - as it's known in the latest C++ standard - a value category.
A conditional expression can be an lvalue or an rvalue. This is its value category. (This is somewhat of a simplification, in C++11 we have lvalues, xvalues a...
Git - Difference Between 'assume-unchanged' and 'skip-worktree'
...us' as something to be staged. I would like to hide this particular change and not commit it. I won't make any other changes to the file.
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What is the difference between id and class in CSS, and when should I use them? [duplicate]
Here I gave an id to the div element and it's applying the relevant CSS for it.
15 Answers
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What are enums and why are they useful?
Today I was browsing through some questions on this site and I found a mention of an enum being used in singleton pattern about purported thread safety benefits to such solution.
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SQL JOIN and different types of JOINs
What is a SQL JOIN and what are different types?
6 Answers
6
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What's the difference between a proc and a lambda in Ruby?
And when would you use one rather than the other?
8 Answers
8
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Is SQL syntax case sensitive?
Is SQL case sensitive. I've used MySQL and SQL Server which both seem to be case in-sensitive. Is this always the case? Does the standard define case-sensitivity?
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What's the difference between a Python “property” and “attribute”?
I am generally confused about the difference between a "property" and an "attribute", and can't find a great resource to concisely detail the differences.
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What is the difference between Hibernate and Spring Data JPA
What are the main differences between Hibernate and Spring Data JPA? When should we not use Hibernate or Spring Data JPA? Also, when may Spring JDBC template perform better than Hibernate / Spring Data JPA?
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Key hash for Android-Facebook app
I'm working on an Android app, in which I want to integrate a Facebook
posting feature. I downloaded the Facebook-Android SDK, and I got
the readme.md (text file) in there, in which it is mentioned to generate
the key hash for Android. How do I generate it?
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