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What is The Rule of Three?
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Introduction
C++ treats variables of user-defined types with value semantics.
This means that objects are implicitly copied in various contexts,
and we should understand what "copying an object" actually means.
Let us consider a simple example:
class person
{
std::string name;
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What are POD types in C++?
I've come across this term POD-type a few times.
What does it mean?
9 Answers
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How to disable an input type=text?
I want to disable writing in an input field of type text using JavaScript, if possible.
The input field is populated from a database; that is why I don't want the user to modify its value.
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Static Classes In Java
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Java has static nested classes but it sounds like you're looking for a top-level static class. Java has no way of making a top-level class static but you can simulate a static class like this:
Declare your class final - Prevents extension of the class since ...
What's a good way to overwrite DateTime.Now during testing?
... doesn't feel right. What's the best way to set the date to a known value within the test so that I can test that the result is a known value?
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What's the difference between ViewData and ViewBag?
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It uses the C# 4.0 dynamic feature. It achieves the same goal as viewdata and should be avoided in favor of using strongly typed view models (the same way as viewdata should be avoided).
So basically it replaces magic string...
How are parameters sent in an HTTP POST request?
...se the multipart/form-data encoding instead, which has a different format. It's more complicated, but you usually don't need to care what it looks like, so I won't show an example, but it can be good to know that it exists.
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What is the use of join() in Python threading?
...nstrate the mechanism:
The join() is presumably called by the main-thread. It could also be called by another thread, but would needlessly complicate the diagram.
join-calling should be placed in the track of the main-thread, but to express thread-relation and keep it as simple as possible, I choos...
Auto detect mobile browser (via user-agent?) [closed]
How can I detect if a user is viewing my web site from a mobile web browser so that I can then auto detect and display the appropriate version of my web site?
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What is “Orthogonality”?
What does "orthogonality" mean when talking about programming languages?
16 Answers
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