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Generate all permutations of a list without adjacent equal elements
...tic; it could be reduced to linear (optimal) with better data structures.
from collections import Counter
from itertools import permutations
from operator import itemgetter
from random import randrange
def get_mode(count):
return max(count.items(), key=itemgetter(1))[0]
def enum2(prefix, x,...
How do I execute a string containing Python code in Python?
...re concerned with using exec at all (unless you know the code string comes from a trusted source).
– bruno desthuilliers
Dec 2 '19 at 17:00
add a comment
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Collect successive pairs from a stream
...of(stream). There are other convenient static methods to create the stream from Collection, array, Reader, etc. Edited the answer.
– Tagir Valeev
May 30 '15 at 16:06
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Android: android.content.res.Resources$NotFoundException: String resource ID #0x5
I get the exception from the title when I run my app. What it does is it has a .txt file with words for a Hangman game and I think the exception is thrown when accessing the file. My file, cuvinte.txt is located into /assets/. Here is my code (i skipped the layout/xml part, which works fine):
...
How to flush output of print function?
...ter command line (first line of the script file), so change the first line from (something like) #!/usr/bin/python3 to #!/usr/bin/python3 -u - now when you run your script (e.g. ./my_script.py) the -u will always be added for you
– James
Sep 7 at 17:22
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java.nio.file.Path for a classpath resource
Is there an API to get a classpath resource (e.g. what I'd get from Class.getResource(String) ) as a java.nio.file.Path ? Ideally, I'd like to use the fancy new Path APIs with classpath resources.
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How to prevent ENTER keypress to submit a web form?
How do you prevent an ENTER key press from submitting a form in a web-based application?
29 Answers
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How do I make and use a Queue in Objective-C?
...ay (QueueAdditions)
// Queues are first-in-first-out, so we remove objects from the head
- (id) dequeue {
// if ([self count] == 0) return nil; // to avoid raising exception (Quinn)
id headObject = [self objectAtIndex:0];
if (headObject != nil) {
[[headObject retain] autorelease]...
How to resolve git stash conflict without commit?
.... You can execute it without any parameters and Git will remove everything from the index. You don't have to execute git add before.
Finally, remove the stash with git stash drop, because Git doesn't do that on conflict.
Translated to the command-line:
$ git stash pop
# ...resolve conflict(s)
$...
Explain how finding cycle start node in cycle linked list work?
... tortoise) such that Xi = X2i. Let mu represent the number of steps to get from X0 to the start of the cycle, and let lambda represent the length of the cycle. Then i = mu + alambda, and 2i = mu + blambda, where a and b are integers denoting how many times the tortoise and hare went around the cycl...