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Checking if a string can be converted to float in Python
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edited Nov 11 '19 at 12:29
Richard Simões
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a...
How to delete an element from an array in C#
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342
If you want to remove all instances of 4 without needing to know the index:
LINQ: (.NET Framewo...
How to calculate “time ago” in Java?
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edited Nov 28 '16 at 8:15
jdersen
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answered Oct 4 '10...
PostgreSQL - max number of parameters in “IN” clause?
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Jordan S. JonesJordan S. Jones
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add a ...
Clojure: cons (seq) vs. conj (list)
...guments to insert into a collection, while cons takes just one:
(conj '(1 2 3) 4 5 6)
; => (6 5 4 1 2 3)
(cons 4 5 6 '(1 2 3))
; => IllegalArgumentException due to wrong arity
Another difference is in the class of the return value:
(class (conj '(1 2 3) 4))
; => clojure.lang.Persistent...
Passing parameters in rails redirect_to
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edited Oct 21 '15 at 14:19
bmalets
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Which equals operator (== vs ===) should be used in JavaScript comparisons?
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Time complexity of Sieve of Eratosthenes algorithm
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Your n/2 + n/3 + n/5 + … n/97 is not O(n), because the number of terms is not constant. [Edit after your edit: O(n2) is too loose an upper bound.] A loose upper-bound is n(1+1/2+1/3+1/4+1/5+1/6+…1/n) (sum of reciprocals of all n...
`from … import` vs `import .` [duplicate]
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246
It depends on how you want to access the import when you refer to it.
from urllib import requ...
How to insert a character in a string at a certain position?
...igit value. I want to display it as a String with a decimal point (.) at 2 digits from the end of int . I wanted to use a float but was suggested to use String for a better display output (instead of 1234.5 will be 1234.50 ). Therefore, I need a function that will take an int as paramete...