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Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
...ned behaviour. And this means anything can happen, and discussing why does it happen under the rules of C++ doesn't make sense.
C++11 draft N3337: §5.4:1
If during the evaluation of an expression, the result is not mathematically defined or not in the range of
representable values for its t...
What's invokedynamic and how do I use it?
...and one of those cool features is invokedynamic. I would like to know what it is and how does it make reflective programming in Java easier or better?
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How to change the name of an iOS app?
I began an iPhone project the other day with a silly development code name, and now I want to change the name of the project since it's nearly finished.
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What are the differences between Chosen and Select2?
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As of Select2 3.3.1, below are what's documented in its README.md
What Does Select2 Support That Chosen Does Not?
Working with large datasets: Chosen requires the entire dataset to be loaded as option tags in the DOM, which limits it to working with
small-ish dat...
Abstract classes in Swift Language
...e a way to create an abstract class in the Swift Language, or is this a limitation just like Objective-C? I'd like to create a abstract class comparable to what Java defines as an abstract class.
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Difference between pre-increment and post-increment in a loop?
Is there a difference in ++i and i++ in a for loop? Is it simply a syntax thing?
22 Answers
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The entity cannot be constructed in a LINQ to Entities query
There is an entity type called Product that is generated by entity framework.
I have written this query
14 Answers
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Is Python strongly typed?
... of a value doesn't change in unexpected ways. A string containing only digits doesn't magically become a number, as may happen in Perl. Every change of type requires an explicit conversion.
Dynamic typing means that runtime objects (values) have a type, as opposed to static typing where variables h...
Is there a performance difference between i++ and ++i in C++?
...f you don't have a specific reason to use i++.]
For C++, the answer is a bit more complicated.
If i is a simple type (not an instance of a C++ class), then the answer given for C ("No there is no performance difference") holds, since the compiler is generating the code.
However, if i is an instan...
How to execute a MySQL command from a shell script?
How can I execute an SQL command through a shell script so that I can make it automated?
14 Answers
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