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Iteration over std::vector: unsigned vs signed index variable
What is the correct way of iterating over a vector in C++?
17 Answers
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Why is enum class preferred over plain enum?
...// enum class
enum Animal { dog, cat, bird, human }; // plain enum
What is the difference between the two?
enum classes - enumerator names are local to the enum and their values do not implicitly convert to other types (like another enum or int)
Plain enums - where enumerator names are in the s...
Abstract functions in Swift Language
I'd like to create an abstract function in swift language. Is it possible?
11 Answers
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What are transparent comparators?
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What problem does this solve,
See Dietmar's answer and remyabel's answer.
and does this change how standard containers work?
No, not by default.
The new member function template overloads of find etc. allow you to use a type that is com...
Creating an Android trial application that expires after a fixed time period
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Currently most developers accomplish this using one of the following 3 techniques.
The first approach is easily circumvented, the first time you run the app save the date/time to a file, database, or shared preferences and every time you run the app after t...
Order Bars in ggplot2 bar graph
...ying to make a bar graph where the largest bar would be nearest to the y axis and the shortest bar would be furthest. So this is kind of like the Table I have
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HTML5 best practices; section/header/aside/article elements
There is enough information about HTML5 on the web (and also on stackoverflow), but now I'm curious about the "best practices". Tags like section/headers/article are new, and everyone has different opinions about when/where you should use these tags. So what do you guys think of the following layout...
Should I index a bit field in SQL Server?
... at one point that indexing a field with low cardinality (a low number of distinct values) is not really worth doing. I admit I don't know enough about how indexes work to understand why that is.
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Are there any disadvantages to always using nvarchar(MAX)?
In SQL Server 2005, are there any disadvantages to making all character fields nvarchar(MAX) rather than specifying a length explicitly, e.g. nvarchar(255)? (Apart from the obvious one that you aren't able to limit the field length at the database level)
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How can I easily fixup a past commit?
...git but unfortunately the accepted solution 'reorders' the commits, which is not what I want. So here's my question:
12 An...