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NSNotificationCenter addObserver in Swift
...)
NSNotificationCenter.defaultCenter().removeObserver(self) // Remove from all notifications being observed
Method handler for received Notification
func methodOfReceivedNotification(notification: NSNotification) {
// Take Action on Notification
}
Annotate either the class or the target metho...
How can I break up this long line in Python?
...rately on each line, or to the whole lot from outside the parentheses.
Finally, you can use triple-quoted strings:
"""This is the first line of my text
which will be joined to a second."""
This is often my favorite, though its behavior is slightly different as the newline and any leading whitesp...
How to determine if a string is a number with C++?
...rote the below function which I believe was working smoothly (or I accidentally edited to stop it or I'm schizophrenic or Windows is schizophrenic):
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How to test if string exists in file with Bash?
...ve to omit the -q option, and detect errors based on the exit status:
Normally, the exit status is 0 if selected lines are found and 1 otherwise. But the exit status is 2 if an error occurred, unless the -q or --quiet or --silent option is used and a selected line is found. Note, however, that POSI...
What does the “map” method do in Ruby?
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Ahhh I get it. So .map actually mutates the array while .each just loops through the array to access the values while leaving the original array untouched?
– bigpotato
Aug 23 '12 at 4:18
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JSP tricks to make templating easier?
...d with turning a bunch of HTML files into a simple JSP project. It's really all static, no serverside logic to program. I should mention I'm completely new to Java. JSP files seem to make it easy to work with common includes and variables, much like PHP , but I'd like to know a simple way to ge...
Change the color of a bullet in a html list?
All I want is to be able to change the color of a bullet in a list to a light gray. It defaults to black, and I can't figure out how to change it.
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Hash Code and Checksum - what's the difference?
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I would say that a checksum is necessarily a hashcode. However, not all hashcodes make good checksums.
A checksum has a special purpose --- it verifies or checks the integrity of data (some can go beyond that by allowing for error-correction). "Good" checksums are easy to compute, and can de...
Items in JSON object are out of order using “json.dumps”?
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OrderedDict's init really ugly
– jean
Apr 10 '15 at 6:31
3
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How can I echo a newline in a batch file?
...is a wonderful example to show that cmd.exe and Windows batch files are totally insane!
– mivk
Oct 15 '11 at 10:54
12
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