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Set every cell in matrix to 0 if that row or column contains a 0
...1, 1, 1, 1]]
N = len(m)
### pass 1
# 1 rst line/column
c = 1
for i in range(N):
c &= m[i][0]
l = 1
for i in range(1,N):
l &= m[0][i]
# other line/cols
# use line1, col1 to keep only those with 1
for i in range(1,N):
for j in range(1,N):
if m[i][j] == 0:
...
Binary search (bisection) in Python
...ete
The thing a sorted list really gets you are "next", "previous", and "ranges" (including inserting or deleting ranges), which are O(1) or O(|range|), given a starting index. If you aren't using those sorts of operations often, then storing as sets, and sorting for display might be a better dea...
How to search and replace globally, starting from the cursor position and wrapping around the end of
...;):
1,''-&&
The latter, however, performs the substitution on the range of lines
from the first line of the file to the line where the previous context
mark has been set, minus one. Since the first :substitute command
stores the cursor position before starting actual replacements, the
line ...
Multiple cases in switch statement
...here's nothing wrong with your first method. If however you have very big ranges, just use a series of if statements.
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Concrete Javascript Regex for Accented Characters (Diacritics)
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@PierreHenry the - defines a range, and this technique exploits the ordering of characters in the charset to define a continuous range, making for a super concise solution to the problem
– Angad
Jun 16 '16 at 7:56
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How to measure time taken between lines of code in python?
...# your code here with time.sleep(10) and got 0.0 seconds. Adding for i in range(10000):/pass produced the same results. Under any circumstances I tried, time.process_time() always returns the same number. I got expected results using time.perf_counter() though
– biscuit314
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Way to ng-repeat defined number of times instead of repeating over array?
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@AdityaMP, use this for ranges in javascript stackoverflow.com/a/31989462/3160597
– azerafati
Jul 16 '16 at 8:00
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Accessing the index in 'for' loops?
...etimes more commonly (but unidiomatically) found in Python:
for index in range(len(items)):
print(index, items[index])
Use the Enumerate Function
Python's enumerate function reduces the visual clutter by hiding the accounting for the indexes, and encapsulating the iterable into another ite...
What's the best way to make a d3.js visualisation layout responsive?
...olution that does not rely on using a viewBox:
The key is in updating the range of the scales which are used to place data.
First, calculate your original aspect ratio:
var ratio = width / height;
Then, on each resize, update the range of x and y:
function resize() {
x.rangeRoundBands([0, w...
Getting a slice of keys from a map
...= make(map[int]string)
keys := make([]int, 0, len(mymap))
for k := range mymap {
keys = append(keys, k)
}
}
To be efficient in Go, it's important to minimize memory allocations.
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