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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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How to find if a given key exists in a C++ std::map
I'm trying to check if a given key is in a map and somewhat can't do it:
14 Answers
14...
Why do I get “unresolved external symbol” errors when using templates? [duplicate]
When I write C++ code for a class using templates and split the code between a source (CPP) file and a header (H) file, I get a whole lot of "unresolved external symbol" errors when it comes to linking the final executible, despite the object file being correctly built and included in the linking. ...
What methods of ‘clearfix’ can I use?
...on the design being produced, each of the below clearfix CSS solutions has its own benefits.
The clearfix does have useful applications but it has also been used as a hack. Before you use a clearfix perhaps these modern css solutions can be useful:
css flexbox
css grid
Modern Clearfix Solutio...
What is the global interpreter lock (GIL) in CPython?
What is a global interpreter lock and why is it an issue?
8 Answers
8
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Can (domain name) subdomains have an underscore “_” in it?
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Most answers given here are false. It is perfectly legal to have
an underscore in a domain name. Let me quote the standard, RFC
2181, section 11, "Name syntax":
The DNS itself places only one restriction on the particular labels
that can be used to ident...