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Check if all elements in a list are identical
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General method:
def checkEqual1(iterator):
iterator = iter(iterator)
try:
first = next(iterator)
except StopIteration:
return True
return all(first == rest for rest in iterator)
One-liner:
def checkEqual2(iterator):
r...
What's the difference between a single precision and double precision floating point operation?
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11 Answers
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Twitter API returns error 215, Bad Authentication Data
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15 Answers
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Extracting the last n characters from a string in R
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15 Answers
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Registry Key '…' has value '1.7', but '1.6' is required. Java 1.7 is Installed and the Registry is P
...ervers. Before the change over we had a JAR that was running fine on Java 1.7 x64 along with JRE 7. When we moved over to the new server our JAR was running alright, but then one of the server admins "updated" our Java to an older version and uninstalled the one we were using. Don't ask me why, I...
How to remove a key from Hash and get the remaining hash in Ruby/Rails?
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14 Answers
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Can I keep Nuget on the jQuery 1.9.x/1.x path (instead of upgrading to 2.x)?
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117
In my opinion, this is a mistake on the package author's part. An update which removes support...
Comparing two dictionaries and checking how many (key, value) pairs are equal
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187
If you want to know how many values match in both the dictionaries, you should have said that ...
What would cause an algorithm to have O(log n) complexity?
...ere are a few:
Repeatedly dividing by a constant
Take any number n; say, 16. How many times can you divide n by two before you get a number less than or equal to one? For 16, we have that
16 / 2 = 8
8 / 2 = 4
4 / 2 = 2
2 / 2 = 1
Notice that this ends up taking four steps to complete. Inte...