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Iterate a list as pair (current, next) in Python
...
Since the_list[1:] actually creates a copy of the whole list (excluding its first element), and zip() creates a list of tuples immediately when called, in total three copies of your list are created. If your list is very large, you ...
How do you test that a Python function throws an exception?
...t ahold of the actual Exception object thrown:
import unittest
def broken_function():
raise Exception('This is broken')
class MyTestCase(unittest.TestCase):
def test(self):
with self.assertRaises(Exception) as context:
broken_function()
self.assertTrue('This i...
What is the combinatory logic equivalent of intuitionistic type theory?
... bracket abstraction.
tm :: Tm a -> Unty a
tm (Var a) = V a
tm (Lam _ b) = bra (tm b)
tm (f :$ a) = tm f :. tm a
tm (Pi a b) = C P :. tm a :. tm b
tm Set = C U
bra :: Unty (Su a) -> Unty a -- binds a variable, building a function
bra (V Ze) = C S :. C K :. C...
Pythonic way to print list items
...myList, sep='\n')
You can get the same behavior on Python 2.x using from __future__ import print_function, as noted by mgilson in comments.
With the print statement on Python 2.x you will need iteration of some kind, regarding your question about print(p) for p in myList not working, you can just...
What is the single most influential book every programmer should read? [closed]
... For Computer Scientists http://ecx.images-amazon.com/images/I/51HCJ5R42KL._SL500_BO2,204,203,200_AA219_PIsitb-sticker-dp-arrow,TopRight,-24,-23_SH20_OU02_.jpg
Discrete Mathematics For Computer Scientists by J.K. Truss.
While this doesn't teach you programming, it teaches you fundamental mathemati...
How to do Base64 encoding in node.js?
...wered May 31 '11 at 2:46
onteria_onteria_
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Adding information to an exception?
....message +
' happens at %s' % arg1), sys.exc_info()[2]
bar('arg1')
Traceback (most recent call last):
File "test.py", line 16, in <module>
bar('arg1')
File "test.py", line 11, in bar
foo()
File "test.py", line 5, in foo
raise IOError('Stuff...
Test for existence of nested JavaScript object key
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Update
Looks like lodash has added _.get for all your nested property getting needs.
_.get(countries, 'greece.sparta.playwright')
https://lodash.com/docs#get
Previous answer
lodash users may enjoy lodash.contrib which has a couple methods that mitigate ...
UIRefreshControl without UITableViewController
...wController, just add the refresh control beneath the table view like so: [_tableView insertSubview:_refreshControl atIndex:0];. Tested with both iOS 7 and 8 ;)
– ptitvinou
Oct 24 '14 at 21:32
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how to get GET and POST variables with JQuery?
...For GET parameters, you can grab them from document.location.search:
var $_GET = {};
document.location.search.replace(/\??(?:([^=]+)=([^&]*)&?)/g, function () {
function decode(s) {
return decodeURIComponent(s.split("+").join(" "));
}
$_GET[decode(arguments[1])] = deco...