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Quicksort vs heapsort
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For any deterministic, constant time pivot selection strategy, you can find an array that produces the O(n^2) worst case. It's not enough to eliminate just the minimum. You have to reliably chose pivots that are within a certain pecrentile band.
–...
How to check task status in Celery?
... a computation. For instance if I want to show article X to a user, I must convert it from XML to HTML, but before that, I must have resolved all bibliographical references. (X is like a journal article.) I check whether the goal "article X with all bibliographical references resolved" exists and us...
How do I make JavaScript beep?
...mo
http://jsfiddle.net/7EAgz/
Conversion Tool
And here is where you can convert mp3 or wav files into Data URI format:
https://dopiaza.org/tools/datauri/index.php
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What's the difference between getPath(), getAbsolutePath(), and getCanonicalPath() in Java?
... It's not a canonical path.
A canonical path is always an absolute path.
Converting from a path to a canonical path makes it absolute (usually tack on the current working directory so e.g. ./file.txt becomes c:/temp/file.txt). The canonical path of a file just "purifies" the path, removing and re...
Using TortoiseSVN how do I merge changes from the trunk to a branch and vice versa?
...rge Type: Merge a range of revisions | Click 'Next'
Merge revision range: Select the URL of the trunk directory that you copied to the branch / tag. Enter the revisions to merge or leave the field empty to merge all revisions | click 'Next'
Merge options: I just left these as default | click 'Merg...
Lazy Method for Reading Big File in Python?
...ne by line was not an option, but I still needed to process it row by row.
Converting'|' to '\n' before processing was also out of the question, because some of the fields of this csv contained '\n' (free text user input).
Using the csv library was also ruled out because the fact that, at least in e...
What is the difference between CascadeType.REMOVE and orphanRemoval in JPA?
... and remove the post entity:
Post post = entityManager.createQuery("""
select p
from Post p
join fetch p.comments
where p.id = :id
""", Post.class)
.setParameter("id", postId)
.getSingleResult();
entityManager.remove(post);
Hibernate is going to execute three delete statements:...
How to use the 'sweep' function
...,sd))
df_T=sweep(sweep(df,2,df_means,"-"),2,df_sds,"/")*10+50
This code convert raw scores to T scores (with mean=50 and sd=10):
> df
[,1] [,2] [,3] [,4] [,5]
[1,] 109 8 89 69 15
[2,] 85 13 25 150 26
[3,] 30 79 48 1 125
[4,] 56 74 23 140 100
[5,] 136...
Delaying AngularJS route change until model loaded to prevent flicker
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Could someone help me convert this answer to the app.controller('MyCtrl') format? jsfiddle.net/5usya/1 didn't work for me.
– user1071182
Apr 15 '13 at 3:03
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Is a view faster than a simple query?
...e the indexed view directly, or, more importantly, the query optimizer can select the view if it determines that the view can be substituted for some or all of the query in the lowest-cost query plan. In the second case, the indexed view is used instead of the underlying tables and their ordinary in...