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Why does Double.NaN==Double.NaN return false?
I was just studying OCPJP questions and I found this strange code:
9 Answers
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JavaScript + Unicode regexes
...egex. See Unicode-aware regular expressions in ES6.
Until ES 6 is finished and widely adopted among browser vendors you're still on your own, though. Update: There is now a transpiler named regexpu that translates ES6 Unicode regular expressions into equivalent ES5. It can be used as part of your bu...
CSS - Expand float child DIV height to parent's height
...ight: 0;
top: 0;
}
Find more detailed results with CSS examples here and more information about equal height columns here.
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How do I set cell value to Date and apply default Excel date format?
...requirement to create entire .xls files in-memory (still using Apache POI) and then write them to a file at the end. The only problem standing in my way is the handling of cells with dates.
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Convert integer to hexadecimal and back again
...;
from http://www.geekpedia.com/KB8_How-do-I-convert-from-decimal-to-hex-and-hex-to-decimal.html
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HTML5: number input type that takes only integers?
...In the HTML5 specification, the input type "number" can have both integers and floating-point numbers. This seems incredibly short-sighted since it will only be a useful validator when your database fields are signed floating-point numbers (for unsigned ints you'll have to fall back to "pattern" val...
Convert between UIImage and Base64 string
Does anyone know how to convert a UIImage to a Base64 string, and then reverse it?
24 Answers
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$apply vs $digest in directive testing
...ective that responds to the status of a particular attribute on the scope, and I want to change that attribute in my test and verify that it responds correctly, which is the best way of doing that change?
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Are “elseif” and “else if” completely synonymous?
Are elseif and else if completely synonymous, or is there a difference?
2 Answers
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How does the extend() function work in jQuery?
...arameter.
Returns the first parameter.
This is useful for combining user and default option-objects together to get a complete set of options:
function foo(userOptions) {
var defaultOptions = {
foo: 2,
bar: 2
};
var someOtherDefaultOptions = {
baz: 3
};
var allOptions = jQu...