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Recent questions tagged Sorting

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sorting - Sort a Java collection object based on one field in it

I have the following collection: Collection<AgentSummaryDTO> agentDtoList = new ArrayList<AgentSummaryDTO>(); Where ... to achieve this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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603 views

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sorting a ruby array of objects by an attribute that could be nil

I have an array of objects that I need to sort by a position attribute that could be an integer or nil, ... this solution as it's arbitrary See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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554 views

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sorting - HTML table sort

So basically I am running a mysql query that fetches data from my database and displays it in an easy to read layout for ... </li> </ul> </div> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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478 views

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sorting - Spark get collection sorted by value

I was trying this tutorial http://spark.apache.org/docs/latest/quick-start.html I first created a collection ... word occur in the document. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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683 views

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sorting - How do I sort an array in Scala?

I can see there's a sorting object, Sorting, with a quicksort method, quickSort, on it. What would be a code ... I can just use a Java library. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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629 views

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sorting - How external merge sort algorithm works?

I'm trying to understand how external merge sort algorithm works (I saw some answers for same question, but didn' ... to reduce I/O operations? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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687 views

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sorting - What is the shortest way to simply sort an array of structs by (arbitrary) field names?

I just had a problem where I had an array of structs, e.g. package main import "log" type Planet struct ... something similar simple in Go?) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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482 views

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sorting - How do I sort a Set to a List in Java?

In Java, I have a Set, and I want to turn it into a sorted List. Is there a method in the java.util. ... package that will do this for me? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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711 views

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sorting - Insertion sort vs Bubble Sort Algorithms

I'm trying to understand a few sorting algorithms, but I'm struggling to see the difference in the ... efficiency or asymptotic complexity. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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498 views

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sorting - Hive Does the order of the data record matters for joining tables

I would like to know if the order of the data records matter (performance wise) when joining two tables? P.S. ... or bucket join. Thank you! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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542 views

1 answer

sorting - Efficient algorithm for generating unique (non-repeating) random numbers

I want to solve the following problem. I have to sample among an extremely large set, of the order of 10^20 ... . Thank you for your time! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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853 views

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sorting - javascript array.sort with undefined values

How does Array.prototype.sort handle undefined values in an array? var array = [1,undefined,2,undefined,3, ... declared undefined as a variable. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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625 views

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sorting - sort in matlab and assign ranking

Hi I need to sort a vector and assign a ranking for the corresponding sorting order. I'm using sort function ... rank etc.. any suggestions? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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901 views

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sorting - R ggplot ordering bars in "barplot-like " plot

This is my code: ggplot(tmp, aes(x=tmp$V2, y=-log10(tmp$V3), fill=tmp$V1)) + geom_bar(stat="identity") ... Something that will look like this. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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663 views

1 answer

sorting - numerical sort a column containing numbers and strings (pandas/python)

I have to sort a data frame on column 1 and 2; column 1 contains numbers and text, which should first be numerically ... 296 1 11 Z 861349 297 0 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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888 views

1 answer

sorting - How to sort an array of objects with multiple field values in JavaScript

I found a great method to sort an array of objects based on one of the properties as defined at: Sort array ... that would also work in Chrome? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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781 views

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sorting - Bash Sort like Windows 'natural sort order'

I've got a bunch of PDFs that I'm trying to append together, and I've got a program that, given a ... .microsoft.com/en-us/library/bb759947.aspx See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

488 views

1 answer

sorting - Sort and keep a unique duplicate which has the highest value

I have a file like the one shown below, I want to keep the combinations between the first and second field ... -k3,3 Thanks in advance guys See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

534 views

1 answer

sorting - What exactly are "$a" and "$b" in Perl's "sort()" function?

I understand how to get the results I want from using Perl's sort() function, this is more a question about the ... error for "$a" or "$b"? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

557 views

1 answer

sorting list of nested dictionaries in python

I have something like [ { "key": { "subkey1":1, "subkey2":"a" } }, { "key": { "subkey1":10, ... sort by subkey1, this wasn't clear previously. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

662 views

1 answer

sorting - python: how to sort a complex list on two different keys

I have a weird list built in the following way: [[name_d, 5], [name_e, 10], [name_a, 5]] and I want to sort it ... but I'm not sure I can do it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

839 views

1 answer

sorting - Android sort ListView alphabetically

So I'm trying to sort a simple ArrayAdapter for ListView. Here's what I've tried: ListView lv; String[] ... need help. Thanks in advance! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

615 views

1 answer

sorting - database sort vs. programmatic java sort

I want to get data from the database (MySQL) by JPA, I want it sorted by some column value. So, ... sorting select query. Thanks in advance See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

545 views

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sorting - How does the MapReduce sort algorithm work?

One of the main examples that is used in demonstrating the power of MapReduce is the Terasort benchmark. I' ... for helping me understand. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

687 views

1 answer

sorting - How to sort lines of a text file containing version numbers in format major.minor.build.revision numerical?

I have a txt file with values like this: 3.6.4.2 3.6.5.1 3.6.5.10 3.6.5.11 3.6.5.12 3.6. ... correctly until I don't have 2 digits number used. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

595 views

1 answer

sorting - Sort a list of nontrivial elements in R

In R, I have a list of nontrivial objects (they aren't simple objects like scalars that R can be expected to be ... . How can I sort my list? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

482 views

1 answer

sorting - MySQL sort on a calculation

Is it possible to sort on a calculation of 2 rows in mySQL? For example, I have 2 rows, lp and ap I'm ... have to store lp/ap in the database? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.6k views

1 answer

sorting - python ttk treeview sort numbers

I'm trying to use the ttk.Treeview sort function illustrated in the answer to this question (Tk treeview column sort) ... out how to do that. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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