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Is “argv[0] = name-of-executable” an accepted standard or just a common convention?
...r if the program name is not available from the host environment.
So no, it's only the program name if that name is available. And it "represents" the program name, not necessarily is the program name. The section before that states:
If the value of argc is greater than zero, the array members...
$(document).ready shorthand
...er is a function). See here.
The code in your question has nothing to do with .ready(). Rather, it is an immediately-invoked function expression (IIFE) with the jQuery object as its argument. Its purpose is to restrict the scope of at least the $ variable to its own block so it doesn't cause confli...
'printf' vs. 'cout' in C++
... is a difference - std::cout is C++, and printf is C (however, you can use it in C++, just like almost anything else from C). Now, I'll be honest here; both printf and std::cout have their advantages.
Real differences
Extensibility
std::cout is extensible. I know that people will say that printf ...
How to initialize std::vector from C-style array?
What is the cheapest way to initialize a std::vector from a C-style array?
6 Answers
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What are good alternatives to SQL (the language)? [closed]
I occasionally hear things about how SQL sucks and it's not a good language, but I never really hear much about alternatives to it. So, are other good languages that serve the same purpose (database access) and what makes them better than SQL? Are there any good databases that use this alternative l...
What's the best way to do a backwards loop in C/C#/C++?
...
While admittedly a bit obscure, I would say that the most typographically pleasing way of doing this is
for (int i = myArray.Length; i --> 0; )
{
//do something
}
...
How to determine the content size of a UIWebView?
I have a UIWebView with different (single page) content. I'd like to find out the CGSize of the content to resize my parent views appropriately. The obvious -sizeThatFits: unfortunately just returns the current frame size of the webView.
...
Is there a CSS parent selector?
...no way to select the parent of an element in CSS.
If there was a way to do it, it would be in either of the current CSS selectors specs:
Selectors Level 3 Spec
CSS 2.1 Selectors Spec
That said, the Selectors Level 4 Working Draft includes a :has() pseudo-class that will provide this capability. It...
Why are mutable structs “evil”?
...ulting from being passed by value will be the same.
If you want to change it you have to consciously do it by creating a new instance of the struct with the modified data. (not a copy)
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impr...
Optimizing away a “while(1);” in C++0x
...hm provides a rationale for this in N1528: Why undefined behavior for infinite loops?, although this is WG14 document the rationale applies to C++ as well and the document refers to both WG14 and WG21:
As N1509 correctly points out, the current draft essentially gives
undefined behavior to inf...