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Loop through all the files with a specific extension
I want to loop through each file in the current folder and check if it matches a specific extension. The code above doesn't work, do you know why?
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Type List vs type ArrayList in Java [duplicate]
... translated into a LinkedList without affecting the rest of the codebase.
If one used ArrayList instead of List, it's hard to change the ArrayList implementation into a LinkedList one because ArrayList specific methods have been used in the codebase that would also require restructuring.
You can r...
Qt events and signal/slots
In the Qt world, what is the difference of events and signal/slots?
10 Answers
10
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What does “default” mean after a class' function declaration?
... the compiler-generated version of that function, so you don't need to specify a body.
You can also use = delete to specify that you don't want the compiler to generate that function automatically.
With the introduction of move constructors and move assignment operators, the rules for when automat...
Test for multiple cases in a switch, like an OR (||)
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I might as well clarify the point: Once a case has evaluated to true, that's it. No more cases are checked, just all the statements executed until the end: i.e. a "break;" instruction or if the switch is terminated.
– BeauC...
Check if string ends with one of the strings from a list
...t not why it cannot accept lists. Since they are both sequences, the only difference I can potentially see is that lists are mutable, while tuples are immutable. I may be wrong, but I can't see any other reason why that is explicitly stated.
– KymikoLoco
Jan 31...
How to check whether a string contains a substring in Ruby
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You can use the include? method:
my_string = "abcdefg"
if my_string.include? "cde"
puts "String includes 'cde'"
end
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When should I use GC.SuppressFinalize()?
...= false;
protected virtual void Dispose(bool disposing)
{
if (!disposed)
{
if (disposing)
{
// called via myClass.Dispose().
// OK to use any private object references
}
// Release unmanaged res...
new keyword in method signature
...wo(); // Calls implementation in B
Override can only be used in very specific cases. From MSDN:
You cannot override a non-virtual or
static method. The overridden base
method must be virtual, abstract, or
override.
So the 'new' keyword is needed to allow you to 'override' non-virtual ...
How to call methods dynamically based on their name? [duplicate]
...just use public_send:
method_name = 'foobar'
obj.public_send(method_name) if obj.respond_to? method_name
If the method is private/protected, use send instead, but prefer public_send.
This is a potential security risk if the value of method_name comes from the user. To prevent vulnerabilities, yo...