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What are the pros and cons of the leading Java HTML parsers? [closed]
...rsers which are consistently recommended by various parties. Unfortunately it's hard to find any information on the strengths and weaknesses of the various libraries. I'm hoping that some people have spent some comparing these libraries, and can share what they've learned.
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How does an underscore in front of a variable in a cocoa objective-c class work?
...score _ in front of the variable. Does anyone know what this means? Or how it works?
9 Answers
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Optimistic vs. Pessimistic locking
...nd pessimistic locking. Now could someone explain to me when I would use either one in general?
10 Answers
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How to validate an e-mail address in swift?
...icate(format:"SELF MATCHES %@", emailRegEx)
return emailPred.evaluate(with: email)
}
for versions of Swift earlier than 3.0:
func isValidEmail(email: String) -> Bool {
let emailRegEx = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}"
let emailPred = NSPredicate(format:"SELF MAT...
How can I correctly prefix a word with “a” and “an”?
I have a .NET application where, given a noun, I want it to correctly prefix that word with "a" or "an". How would I do that?
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How do I resolve “HTTP Error 500.19 - Internal Server Error” on IIS7.0 [closed]
What causes this error, how can I fix it?
31 Answers
31
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What is (functional) reactive programming?
...small article on functional reactive programming . The descriptions are quite abstract.
18 Answers
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Is it possible to append to innerHTML without destroying descendants' event listeners?
...yId("mydiv");
mydiv.appendChild(document.createTextNode("bar"));
}
Edit: Bob's solution, from the comments. Post your answer, Bob! Get credit for it. :-)
function start() {
var myspan = document.getElementById("myspan");
myspan.onclick = function() { alert ("hi"); };
var mydiv =...
How to get function parameter names/values dynamically?
.../d){}) // returns ['a','d']
getParamNames(function (){}) // returns []
Edit:
With the invent of ES6 this function can be tripped up by default parameters. Here is a quick hack which should work in most cases:
var STRIP_COMMENTS = /(\/\/.*$)|(\/\*[\s\S]*?\*\/)|(\s*=[^,\)]*(('(?:\\'|[^'\r\n])*')|...
Multiple arguments vs. options object
When creating a JavaScript function with multiple arguments, I am always confronted with this choice: pass a list of arguments vs. pass an options object.
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