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Arguments or parameters? [duplicate]
...meters' are used. They seem to be used interchangeably in the programming world.
12 Answers
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Check whether an array is empty [duplicate]
...in array and this definitely doesn't mean that array is empty. As a quick workaround you can do following:
$errors = array_filter($errors);
if (!empty($errors)) {
}
array_filter() function's default behavior will remove all values from array which are equal to null, 0, '' or false.
Otherwise in...
Android Studio: Android Manifest doesn't exists or has incorrect root tag
I got this error on Android Studio (AS):
11 Answers
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What is the purpose of mock objects?
I am new to unit testing, and I continously hear the words 'mock objects' thrown around a lot. In layman's terms, can someone explain what mock objects are, and what they are typically used for when writing unit tests?
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Pure virtual destructor in C++
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Yes. You also need to implement the destructor:
class A {
public:
virtual ~A() = 0;
};
inline A::~A() { }
should suffice.
And since this got a down vote, I should clarify: If you derive anything from A and then try to delete or destroy it, A's destructor will ...
How to get the current user in ASP.NET MVC
In a forms model, I used to get the current logged-in user by:
20 Answers
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What does in XML mean?
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CDATA stands for Character Data and it means that the data in between these strings includes data that could be interpreted as XML markup, but should not be.
The key differences between CDATA and comments are:
As Richard points out, CDA...
Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [
I am having this error when seeding my database with code first approach.
29 Answers
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Recursive Lock (Mutex) vs Non-Recursive Lock (Mutex)
...twice, otherwise no other thread can obtain the mutex. Not all systems supporting pthreads also support recursive mutexes, but if they want to be POSIX conform, they have to .
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Why #egg=foo when pip-installing from git repo
...nstall -e ..." to install from a git repo, I have to specify #egg=somename or pip complains. For example:
4 Answers
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