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How to pass object with NSNotificationCenter
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Swift 2 Version
As @Johan Karlsson pointed out... I was doing it wrong. Here's the proper way to send and receive information with NSNotificationCenter.
First, we look at the initializer for postNotificationName:
init(name name: String,
object object: AnyObject?,
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What's is the difference between include and extend in use case diagram?
...on. Notice that the basic "Withdraw Cash" use case stands on its own, without the extension.
Include is used to extract use case fragments that are duplicated in multiple use cases. The included use case cannot stand alone and the original use case is not complete without the included one. This ...
Storing custom objects in an NSMutableArray in NSUserDefaults
...dDataWithRootObject:objectArray] forKey:@"savedArray"];
As f3lix pointed out, you need to make your custom object comply to the NSCoding protocol. Adding methods like the following should do the trick:
- (void)encodeWithCoder:(NSCoder *)coder;
{
[coder encodeObject:label forKey:@"label"];
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Indent starting from the second line of a paragraph with CSS
...le to first line) as -2em or so.. This brings first line back to start without margin.
I tried it for list tags
<style>
ul li{
margin-left: 2em;
text-indent: -2em;
}
</style>
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How does Go compile so quickly?
...the language has been designed to be easy to analyze and can be parsed without a symbol table.
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Python: print a generator expression?
... name 'x' is not defined
This means that the best way to get a nice printout of the content of your generator expression in Python is to make a list comprehension out of it! However, this will obviously not work if you already have a generator object. Doing that will just make a list of one genera...
How can I make my own event in C#?
...meter is of MyEventArgs type.
//This object will contain information about the triggered event.
public delegate void MyEventHandler(object source, MyEventArgs e);
//This is a class which describes the event to the class that recieves it.
//An EventArgs class must always derive from ...
Why is there no GIL in the Java Virtual Machine? Why does Python need one so bad?
...ng someone can provide some insight as to what's fundamentally different about the Java Virtual Machine that allows it to implement threads nicely without the need for a Global Interpreter Lock (GIL), while Python necessitates such an evil.
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When is localStorage cleared?
...owser-of-choice/
https://nakedsecurity.sophos.com/2014/11/05/how-to-clear-out-cookies-flash-cookies-and-local-storage/
http://www.opera.com/dragonfly/documentation/storage/
DOMStorage article on MDN (written by John Resig)
http://ejohn.org/blog/dom-storage/
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Adding an arbitrary line to a matplotlib plot in ipython notebook
...rying to add some annotation lines to an existing graph and I can't figure out how to render the lines on a graph. So, for example, if I plot the following:
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