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When monkey patching an instance method, can you call the overridden method from the new implementat
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1176
EDIT: It has been 9 years since I originally wrote this answer, and it deserves some cosmetic...
Pad a string with leading zeros so it's 3 characters long in SQL Server 2008
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17 Answers
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What's the difference between Invoke() and BeginInvoke()
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edited Apr 23 at 14:33
answered Oct 23 '08 at 12:40
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Find a pair of elements from an array whose sum equals a given number
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135
# Let arr be the given array.
# And K be the give sum
for i=0 to arr.length - 1 do
# key i...
Check if something is (not) in a list in Python
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True
Or with tuples:
>>> (2, 3) not in [(2, 3), (5, 6), (9, 1)]
False
>>> (2, 3) not in [(2, 7), (7, 3), "hi"]
True
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Pandas count(distinct) equivalent
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Example:
In [2]: table
Out[2]:
CLIENTCODE YEARMONTH
0 1 201301
1 1 201301
2 2 201301
3 1 201302
4 2 201302
5 2 201302
6 3 201302
In [3]: table.groupby('YEARMONTH').CLIENTCODE.nunique()
Out[3...
Why are two different concepts both called “heap”?
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Donald Knuth says (The Art of Computer Programming, Third Ed., Vol. 1, p. 435):
Several authors began about 1975 to call the pool of available memory a "heap."
He doesn't say which authors and doesn't give references to any specific papers, but does say that the use of the term "heap" i...
How do I add a delay in a JavaScript loop?
... any delay.
You may want to use something like this instead:
var i = 1; // set your counter to 1
function myLoop() { // create a loop function
setTimeout(function() { // call a 3s setTimeout when the loop is called
console.log('hello'); // your code ...
How to parse float with two decimal places in javascript?
...uld like to have it such that if price_result equals an integer, let's say 10, then I would like to add two decimal places. So 10 would be 10.00.
Or if it equals 10.6 would be 10.60. Not sure how to do this.
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UIButton: Making the hit area larger than the default hit area
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