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How do I convert a Ruby class name to a underscore-delimited symbol?
How can I programmatically turn a class name, FooBar , into a symbol, :foo_bar ? e.g. something like this, but that handles camel case properly?
...
Convert object string to JSON
...turn '"'+$1+'"'})
}
Result
var invalidJSON = "{ hello: 'world',foo:1, bar : '2', foo1: 1, _bar : 2, $2: 3, 'xxx': 5, \"fuz\": 4, places: ['Africa', 'America', 'Asia', 'Australia'] }"
JSON.parse(invalidJSON)
//Result: Uncaught SyntaxError: Unexpected token h VM1058:2
JSON.parse(JSONize...
How to get the concrete class name as a string? [duplicate]
... Is there a way to get it with the import path? For example, str(type(foo)) == "<class 'never.gonna.give.youup'>" but type(foo).__name__ == "youup". How do I get never.gonna.give.youup?
– Martin Thoma
Apr 29 '19 at 8:00
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Set a path variable with spaces in the path in a Windows .cmd file or batch file
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this should be the accepted answer. for some reason, calling set from an if block doesn't work if the value has a space and is unquoted.
– Kevin
Aug 1 '19 at 16:35
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Double Negation in C++
...ompiler warning. Try this:
int _tmain(int argc, _TCHAR* argv[])
{
int foo = 5;
bool bar = foo;
bool baz = !!foo;
return 0;
}
The 'bar' line generates a "forcing value to bool 'true' or 'false' (performance warning)" on MSVC++, but the 'baz' line sneaks through fine.
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Using PHP with Socket.io
...t there are some ways to implement WebSockets. There is this jQuery plugin allowing you to use Websockets while gracefully degrading for non-supporting browsers. On the PHP side, there is this class which seems to be the most widely used for PHP WS servers.
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How to check that an element is in a std::set?
... Note that using count() instead of find() is never better but potentially worse. This is because find() will return after the first match, count() will always iterate over all elements.
– Frerich Raabe
Nov 9 '09 at 15:50
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Mixins vs. Traits
...s (MA and MB) or traits (TA and TB) define method with the same definition foo():void.
Mixin MA {
foo():void {
print 'hello'
}
}
Mixin MB {
foo():void {
print 'bye'
}
}
Trait TA {
foo():void {
print 'hello'
}
}
Trait TB {
foo():void {
p...
Automatically capture output of last command into a variable using Bash?
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This is a really hacky solution, but it seems to mostly work some of the time. During testing, I noted it sometimes didn't work very well when getting a ^C on the command line, though I did tweak it a bit to behave a bit better.
This...
Does Python have “private” variables in classes?
...ass variables. In Java, nothing prevents you from doing the same if you really want to - after all, you can always edit the source of the class itself to achieve the same effect. Python drops that pretence of security and encourages programmers to be responsible. In practice, this works very nicely...