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Choice between vector::resize() and vector::reserve()
...will insert or delete appropriate number of elements to the vector to make it given size (it has optional second argument to specify their value). It will affect the size(), iteration will go over all those elements, push_back will insert after them and you can directly access them using the operato...
Why can't variable names start with numbers?
I was working with a new C++ developer a while back when he asked the question: "Why can't variable names start with numbers?"
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How to use localization in C#
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Add a Resource file to your project (you can call it "strings.resx") by doing the following: Right-click Properties in the project, select Add -> New Item... in the context menu, then in the list of Visual C# Items pick "Resources file" and name it strings.resx.
Add a str...
What is an example of the Liskov Substitution Principle?
I have heard that the Liskov Substitution Principle (LSP) is a fundamental principle of object oriented design. What is it and what are some examples of its use?
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C++ Object Instantiation
...n your user code.
As you say, when the variable is declared on the stack, its destructor is automatically called when it goes out of scope, which is your main tool for tracking resource lifetime and avoiding leaks.
So in general, every time you need to allocate a resource, whether it's memory (by ...
Declaring variables inside or outside of a loop
...le loop, otherwise you would not be asking the question, because declaring it inside the while loop would not be an option, since it would not compile.
So, since str is not used outside the loop, the smallest possible scope for str is within the while loop.
So, the answer is emphatically that str ...
Uninstall / remove a Homebrew package including all its dependencies
I have a Homebrew formula that I wish to uninstall/remove along with all its dependencies, skipping packages whom other packages depend upon (a.k.a. Cascading package removal in Package manager parlance).
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What is JNDI? What is its basic use? When is it used?
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What is JNDI ?
It stands for Java Naming and Directory Interface.
What is its basic use?
JNDI allows distributed applications to look up services in an abstract, resource-independent way.
When it is used?
The most common use ca...
PopupWindow - Dismiss when clicked outside
I have a PopupWindow on my activity, the thing is my PopupWindow still shows even when I'm interacting with my activity (say scrolling on my list). I can scroll through my list and the PopupWindow is still there.
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Event Signature in .NET — Using a Strong Typed 'Sender'? [closed]
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It seems Microsoft has picked up on this as a similar example is now on MSDN:
Generic Delegates
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