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Design Patterns: Factory vs Factory method vs Abstract Factory
I was reading design patterns from a website
7 Answers
7
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How do I sort an NSMutableArray with custom objects in it?
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Compare method
Either you implement a compare-method for your object:
- (NSComparisonResult)compare:(Person *)otherObject {
return [self.birthDate compare:otherObject.birthDate];
}
NSArray *sortedArray = [drinkDetails sortedArrayUsingS...
How to set transform origin in SVG
...ain elements in SVG document using javascript. The problem is, by default, it always applies the transform around the origin at (0, 0) – top left.
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An existing connection was forcibly closed by the remote host
I am working with a commercial application which is throwing a SocketException with the message,
11 Answers
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Automatic Retina images for web sites
With the new Apple MacBook Pro with retina display, if you provide a "standard" image on your website, it'll be a little fuzzy. So you have to provide a retina image.
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Open terminal here in Mac OS finder [closed]
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As of Mac OS X Lion 10.7, Terminal includes exactly this functionality as a Service. As with most Services, these are disabled by default, so you'll need to enable this to make it appear in the Services menu.
System Preferences > Keyboard > Shortcuts > Services
Enable New Term...
Where am I? - Get country
An android mobile actually does know quite well where it is - but is there a way of retrieving the country by something like a country code?
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Check if a variable is of function type
...efficient, but the best way to check, when efficiency isn't an issue, is written on underscore's page linked by @Paul Rosania.
Inspired by underscore, the final isFunction function is as follows:
function isFunction(functionToCheck) {
return functionToCheck && {}.toString.call(functionToC...
How do I parse an ISO 8601-formatted date?
...uestion, but also other ISO 8601 date and time strings that don't comply with RFC 3339 (such as ones with no UTC offset, or ones that represent only a date).
>>> import dateutil.parser
>>> dateutil.parser.isoparse('2008-09-03T20:56:35.450686Z') # RFC 3339 format
datetime.datetime...
Using python's eval() vs. ast.literal_eval()?
I have a situation with some code where eval() came up as a possible solution. Now I have never had
to use eval() before but, I have come across plenty of information about the potential
danger it can cause. That said, I'm very wary about using it.
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