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Why use strict and warnings?
...riable names. Even experienced programmers make such errors. A common case is forgetting to rename an instance of a variable when cleaning up or refactoring code.
Using use strict; use warnings; catches many errors sooner than they would be caught otherwise, which makes it easier to find the root c...
Is there any overhead to declaring a variable within a loop? (C++)
...there would be any loss of speed or efficiency if you did something like this:
13 Answers
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How to generate UML diagrams (especially sequence diagrams) from Java code?
How can I generate UML diagrams (especially sequence diagrams) from existing Java code?
16 Answers
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How can I update the current line in a C# Windows Console App?
When building a Windows Console App in C#, is it possible to write to the console without having to extend a current line or go to a new line? For example, if I want to show a percentage representing how close a process is to completion, I'd just like to update the value on the same line as the cur...
How can I check if an element exists in the visible DOM?
How do you test an element for existence without the use of the getElementById method?
25 Answers
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Using i and j as variables in Matlab
i and j are very popular variable names (see e.g., this question and this one ).
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Why does struct alignment depend on whether a field type is primitive or user-defined?
...ch has in turn led me to uncover a slight oddity in the CLR's alignment decision.
4 Answers
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How is “=default” different from “{}” for default constructor and destructor?
I originally posted this as a question only about destructors, but now I'm adding consideration of the default constructor. Here's the original question:
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How to uninstall a Windows Service when there is no executable for it left on the system?
How do I uninstall a Windows Service when there is no executable for it left on the system? I can not run installutil -u since there is not executable left on the system. I can still see an entry for the service in the Services console.
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What is the $? (dollar question mark) variable in shell scripting? [duplicate]
... learn shell scripting, and I need to understand someone else's code. What is the $? variable hold? I can't Google search the answer because they block punctuation characters.
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