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Does Javascript pass by reference? [duplicate]
Does Javascript pass by references or pass by values? Here is an example from Javascript: The Good Parts . I am very confused about my parameter for the rectangle function. It is actually undefined , and redefined inside the function. There are no original reference. If I remove it from the func...
Creating an object: with or without `new` [duplicate]
...ray that it did not new. In fact, nothing newd the C-style string; it came from a string literal. deleteing that is an error (albeit one that will not generate a compilation error, but instead unpredictable behaviour at runtime).
Usually an object should not have the responsibility of deleteing any...
Effects of the extern keyword on C functions
...s something declared in foo.c when it's linked, and foo.c needs a function from bar.c when it's linked.
By using 'extern', you are telling the compiler that whatever follows it will be found (non-static) at link time; don't reserve anything for it in the current pass since it will be encountered la...
What's the difference between [ and [[ in Bash? [duplicate]
...| logical operators within the brackets to combine subexpressions
Aside from that, they're pretty similar -- most individual tests work identically between them, things only get interesting when you need to combine different tests with logical AND/OR/NOT operations.
...
What are “decorators” and how are they used?
...corates them? In other words, say I have module A that decorates a service from module B. I then have module C that depends upon module A and module B. Inside of module C, is the service from module B the original or decorated version?
– Jon Jaques
Feb 26 '14 a...
How does RewriteBase work in .htaccess
...r developers reading your rules will grasp these more easily.
Quoting from Jon Lin's excellent in-depth answer here:
In an htaccess file, mod_rewrite works similar to a <Directory> or <Location> container. and the RewriteBase is used to provide a relative path base.
For example, s...
Difference between web server, web container and application server
...eb Server:
It provides HTTP Request and HTTP response.
It handles request from client only through HTTP protocol.
It contains Web Container.
Web Application mostly deployed on web Server.
EX: Servlet JSP
Web Container:
it maintains the life cycle for Servlet Object.
Calls the service method for th...
python: SyntaxError: EOL while scanning string literal
...is this string really?
I suspect there is a limit to how long a line read from a file or from the commandline can be, and because the end of the line gets choped off the parser sees something like s1="some very long string.......... (without an ending ") and thus throws a parsing error?
You can sp...
Disable hover effects on mobile browsers
I'm writing a Web site that's meant to be used from both desktops and tablets. When it's being visited from a desktop, I want the clickable areas of the screen to light up with :hover effects (different background color, etc.) With a tablet, there's no mouse, so I don't want any hover effects.
...
Why use non-member begin and end functions in C++11?
...cialArray::valueAt(int);
to iterate over it's values you need to inherit from this class and define begin() and end() methods for cases when
auto i = v.begin();
auto e = v.end();
But if you always use
auto i = begin(v);
auto e = end(v);
you can do this:
template <>
SpecialArrayItera...