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String concatenation vs. string substitution in Python
... # runs multiple tests for all functions in the list
for i in range(runs):
print "----------- TEST #" + str(i + 1)
dotimers(func_list)
...After running runtests((percent_, format_, format2_, concat_), runs=5), I found that the % method was about...
How to identify numpy types in python?
...##############
# toy array for demo
####################
arr = np.asarray(range(1,100,2))
########################
# The instance check
########################
isinstance(arr,np.ndarray)
share
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...
What is compiler, linker, loader?
...iler is more intelligent than an assembler. It checks all kinds of limits, ranges, errors etc. But its program run time is more and occupies a larger part of the memory. It has slow speed. Because a compiler goes through the entire program and then translates the entire program into machine codes. I...
What is LINQ and what does it do? [closed]
...l without it. One advantage to this style of query declaration is that the range variables are scoped: they do not need to be re-declared for each clause.
IEnumerable<string> result =
from c in myCustomers
where c.Name.StartsWith("B")
select c.Name;
Lambda Expressions - This is a shorthan...
How are feature_importances in RandomForestClassifier determined?
... Hi @Peter when I use your code I get this error: NameError: name 'xrange' is not defined.
– Aizzaac
Jan 6 '17 at 23:50
...
Git: How to reuse/retain commit messages after 'git reset'?
... @BenTebulin Well, interactive rebase lets you modify any commit in a range of specified commits. It's not strictly the HEAD commit that has to be modified.
– mart1n
Jun 2 '13 at 6:47
...
Avoid trailing zeroes in printf()
...
I search the string (starting rightmost) for the first character in the range 1 to 9 (ASCII value 49-57) then null (set to 0) each char right of it - see below:
void stripTrailingZeros(void) {
//This finds the index of the rightmost ASCII char[1-9] in array
//All elements to the left of...
VB.NET - How to move to next item a For Each Loop?
... Stackoverflow allows multiple answers for the purpose of exploring the range of options available. I agree this is a bad option, but it's an option. So I think it's worthy of being included for completeness.
– Jeff
Aug 26 '19 at 21:52
...
What is the difference between a map and a dictionary?
...of a given set (the domain) with one or more elements of a second set (the range).
As such, a map data structure provides a way to go from elements of a given set - known as "keys" in the map, to one or more elements in the second set - known as the associated "value(s)".
The "...or more elements ...
How to find the kth largest element in an unsorted array of length n in O(n)?
...algorithm.
QuickSelect(A, k)
let r be chosen uniformly at random in the range 1 to length(A)
let pivot = A[r]
let A1, A2 be new arrays
# split into a pile A1 of small elements and A2 of big elements
for i = 1 to n
if A[i] < pivot then
append A[i] to A1
else if A[i] > p...