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UIPanGestureRecognizer - Only vertical or horizontal
...GestureRecognizer that will drag the view horizontally, just updating the x-coordinate.
22 Answers
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jQuery remove options from select
...t all have a class name 'ct'. I need to remove the option with a value of 'X' from each select while running an onclick event. My code is:
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How do I remove the “extended attributes” on a file in Mac OS X?
...n, save, and close certain files. Somehow, the files have picked up some "extended attributes" that prohibit the files from being saved. That causes the stress test to fail.
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Recommendations of Python REST (web services) framework? [closed]
...ervices:
import web
import json
from mimerender import mimerender
render_xml = lambda message: '<message>%s</message>'%message
render_json = lambda **args: json.dumps(args)
render_html = lambda message: '<html><body>%s</body></html>'%message
render_txt = lambda ...
How can I do division with variables in a Linux shell?
When I run commands in my shell as below, it returns an expr: non-integer argument error. Can someone please explain this to me?
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Is it expensive to use try-catch blocks even if an exception is never thrown?
We know that it is expensive to catch exceptions. But, is it also expensive to use a try-catch block in Java even if an exception is never thrown?
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difference between variables inside and outside of __init__()
...ver, when assigned a value via an instance reference (as in self.varname = X) a new self.varname will be created for that instance only, obscuring the class variable. The class var remains reachable through a class reference (e.g: WithClass.varname). And class vars can also be set from any method b...
How do you split a list into evenly sized chunks?
...ist fills up, add it to the first list and empty the second list for the next round of data, but this is potentially extremely expensive.
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How do you detect where two line segments intersect? [closed]
...do I determine whether or not two lines intersect, and if they do, at what x,y point?
27 Answers
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jQuery get mouse position within an element
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One way is to use the jQuery offset method to translate the event.pageX and event.pageY coordinates from the event into a mouse position relative to the parent. Here's an example for future reference:
$("#something").click(function(e){
var parentOffset = $(this).parent().offset();
//or ...