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Where and why do I have to put the “template” and “typename” keywords?
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(See here also for my C++11 answer)
In order to parse a C++ program, the compiler needs to know whether certain names are types or not. The following example demonstrates that:
t * f;
How should this be parsed? For many languages a compiler doesn't need to know the meaning of a name in order to...
When should I use double or single quotes in JavaScript?
...te as a literal:
alert('Say "Hello"');
alert("Say 'Hello'");
This can get complicated:
alert("It's \"game\" time.");
alert('It\'s "game" time.');
Another option, new in ECMAScript 6, is template literals which use the backtick character:
alert(`Use "double" and 'single' quotes in the same string`...
How to force vim to syntax-highlight a file as html?
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209
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How to round up to the nearest 10 (or 100 or X)?
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132
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Changing variable names in Vim
...te } thus will select the whole scope.
Press :s/ - start of the substitute command.
<C-R>/ - will insert pattern that match variable name (that name you were on before pressing gd).
/newname/gc<CR> - will initiate search and replace with confirmation on every match.
Now you have to reco...
Java's final vs. C++'s const
...ass Error : public Bar {
public:
virtual void foo() final;
};
I had to compile this example with a pre-release of G++ 4.7. Note that this does not replace const in this case, but rather augments it, providing the Java-like behaviour that wasn't seen with the closest equivalent C++ keyword. So if...
JavaScript: location.href to open in new window/tab?
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Create instance of generic type in Java?
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130
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Is there a version of JavaScript's String.indexOf() that allows for regular expressions?
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Combining a few of the approaches already mentioned (the indexOf is obviously rather simple), I think these are the functions that will do the trick:
String.prototype.regexIndexOf = function(regex, startpos) {
var indexO...
Can overridden methods differ in return type?
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