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In Python how should I test if a variable is None, True or False
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Don't fear the Exception! Having your program just log and continue is as easy as:
try:
result = simulate(open("myfile"))
except SimulationException as sim_exc:
print "error parsing stream", sim_exc
else:
if result:
print "result pass"
else:
print...
How to get indices of a sorted array in Python
... 2), (2, 3), (3, 100), (4, 5)]
You sort the list by passing it to sorted and specifying a function to extract the sort key (the second element of each tuple; that's what the lambda is for. Finally, the original index of each sorted element is extracted using the [i[0] for i in ...] list comprehens...
iOS 5 fixed positioning and virtual keyboard
...Pod Touch) until I'm on a page with a form. When I tap into an input field and the virtual keyboard appears, suddenly the fixed position of my div is lost. The div now scrolls with the page as long as the keyboard is visible. Once I click Done to close the keyboard, the div reverts to its position a...
Do I need a content-type header for HTTP GET requests?
...e.
It means that the Content-Type HTTP header should be set only for PUT and POST requests.
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Using Rails 3.1 assets pipeline to conditionally use certain css
...site render the various CSS files conditionally. I’m using Blueprint CSS and I’m trying to have sprockets/rails render screen.css most of the time, print.css only when printing, and ie.css only when the site is accessed from Internet Explorer.
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Should I use encoding declaration in Python 3?
...ment, the text coding must be there, followed by either a : or = character and optional whitespace, followed by a recognised codec).
Note that it only applies to how Python reads the source code. It doesn't apply to executing that code, so not to how printing, opening files, or any other I/O operat...
Show Youtube video source into HTML5 video tag?
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The expiration and fact that it only works in a specific browser makes this solution pretty useless.
– pjv
Nov 5 '11 at 21:04
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How to remove duplicate values from a multi-dimensional array in PHP
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Because of unserialize this is slower and slower the larger and more complex the array is. There is a reason I used array_intersect_key (half a year before this answer).
– OIS
Feb 8 '13 at 23:00
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How do I programmatically shut down an instance of ExpressJS for testing?
...call - how do I get an Express server to STOP listening, release the port, and shutdown cleanly?
5 Answers
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from jquery $.ajax to angular $http
...ethod)
AngularJS will take care of converting JS objects into JSON string and setting headers (those are customizable)
Callback functions are named success and error respectively (also please note parameters of each callback) - Deprecated in angular v1.5
use then function instead.
More info of the...