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Is there “0b” or something similar to represent a binary number in Javascript
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Update:
Newer versions of JavaScript -- specifically ECMAScript 6 -- have added support for binary (prefix 0b), octal (prefix 0o) and hexadecimal (prefix: 0x) numeric literals:
var bin = 0b1111; // bin will be set to 15
var oct = 0o17; // oct will be set to 15
var...
Create, read, and erase cookies with jQuery [duplicate]
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Use JavaScript Cookie plugin
Set a cookie
Cookies.set("example", "foo"); // Sample 1
Cookies.set("example", "foo", { expires: 7 }); // Sample 2
Cookies.set("example", "foo", { path: '/admin', expires: 7 }); // Sample 3
Get a cookie
alert( Cookies.get("example") );
Delete the cookie
Cookie...
Size of character ('a') in C/C++
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In C, the type of a character constant like 'a' is actually an int, with size of 4 (or some other implementation-dependent value). In C++, the type is char, with size of 1. This is one of many small differences between the two languages.
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CodeIgniter - accessing $config variable in view
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Your controller should collect all the information from databases, configs, etc. There are many good reasons to stick to this. One good reason is that this will allow you to change the source of that information quite easily and not have to make any change...
wildcard ssl on sub-subdomain [closed]
...le domain name
component or component fragment. E.g., *.a.com matches foo.a.com but
not bar.foo.a.com. f*.com matches foo.com but not bar.com.
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What's the difference between getRequestURI and getPathInfo methods in HttpServletRequest?
...t think I've ever served a Servlet from root (/).
For example if Servlet 'Foo' is mapped to URI '/foo' then I would have thought the URI:
/foo/path/to/resource
Would result in:
RequestURI = /foo/path/to/resource
and
PathInfo = /path/to/resource
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Git keeps prompting me for a password
... This may be it. When I call git remote -v I get: origin github.com/Foo/Bar.git (fetch) origin github.com/Foo/Bar.git (push) whereas to work with SSH it seems that it should be: origin git@github.com:Foo/Bar.git (fetch) origin git@github.com:Foo/Bar.git (push) This may ...
How do I check if a C++ std::string starts with a certain string, and convert a substring to an int?
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You would do it like this:
std::string prefix("--foo=");
if (!arg.compare(0, prefix.size(), prefix))
foo_value = atoi(arg.substr(prefix.size()).c_str());
Looking for a lib such as Boost.ProgramOptions that does this for you is also a good idea.
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Collections.emptyMap() vs new HashMap()
...need to explicitly type out the generic type of the collection - it's generally just inferred from the context of the method call.
They're more efficient because they don't bother creating new objects; they just re-use an existing empty and immutable object. This effect is generally very minor, b...
Is it good practice to make the constructor throw an exception? [duplicate]
...c to the problem you are reporting, and 3) it is reasonable to expect the caller to deal with a checked exception for this2.
However explicitly declaring or throwing java.lang.Exception is almost always bad practice.
You should pick an exception class that matches the exceptional condition that h...