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What is the difference between single-quoted and double-quoted strings in PHP?
I'm a little confused why I see some code in PHP with string placed in single quotes and sometimes in double quotes.
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Syntax behind sorted(key=lambda: …)
I don't quite understand the syntax behind the sorted() argument:
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Javascript equivalent of Python's zip function
Is there a javascript equivalent of Python's zip function? That is, given multiple arrays of equal lengths create an array of pairs.
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throwing exceptions out of a destructor
Most people say never throw an exception out of a destructor - doing so results in undefined behavior. Stroustrup makes the point that "the vector destructor explicitly invokes the destructor for every element. This implies that if an element destructor throws, the vector destruction fails... The...
Variable declaration placement in C
I long thought that in C, all variables had to be declared at the beginning of the function. I know that in C99, the rules are the same as in C++, but what are the variable declaration placement rules for C89/ANSI C?
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Passing variable arguments to another function that accepts a variable argument list
So I have 2 functions that both have similar arguments
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Clojure: reduce vs. apply
I understand the conceptual difference between reduce and apply :
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When do I need to use a semicolon vs a slash in Oracle SQL?
We have been having some debate this week at my company as to how we should write our SQL scripts.
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Readonly Properties in Objective-C?
I have declared a readonly property in my interface as such:
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What Makes a Method Thread-safe? What are the rules?
Are there overall rules/guidelines for what makes a method thread-safe? I understand that there are probably a million one-off situations, but what about in general? Is it this simple?
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