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Title | Alice, Bob, and |
Description | Alice, Bob, and Mallory metasyntactics Merge collections without duplicates in C# Posted by Jonas Elfström Thu, 18 Oct 2012 21:28:00 GMT Your task is to m |
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WebSite | alicebobandmallory.com |
Host IP | 78.73.234.170 |
Location | Sweden |
Site | Rank |
US$267,233
Last updated: 2023-05-01 17:54:51
alicebobandmallory.com has Semrush global rank of 39,607,028. alicebobandmallory.com has an estimated worth of US$ 267,233, based on its estimated Ads revenue. alicebobandmallory.com receives approximately 30,835 unique visitors each day. Its web server is located in Sweden, with IP address 78.73.234.170. According to SiteAdvisor, alicebobandmallory.com is safe to visit. |
Purchase/Sale Value | US$267,233 |
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Note: All traffic and earnings values are estimates. |
Host | Type | TTL | Data |
alicebobandmallory.com. | A | 299 | IP: 78.73.234.170 |
alicebobandmallory.com. | NS | 3600 | NS Record: ns2.loopia.se. |
alicebobandmallory.com. | NS | 3600 | NS Record: ns1.loopia.se. |
Alice, Bob, and Mallory metasyntactics Merge collections without duplicates in C# Posted by Jonas Elfström Thu, 18 Oct 2012 21:28:00 GMT Your task is to merge two lists of objects. The resulting collection should be without duplicates, based on a certain property on the objects. The lists are populated with very simple Person objects. 1 2 3 4 5 class Person { public int Number { get; set; } public string Name { get; set; } } C# programmers often turn to LINQ, and they should! With LINQ you could end up with something like this: 1 2 3 var merged = new List<Person>(list1); merged.AddRange(list2.Where(p2 => list1.All(p1 => p1.Number != p2.Number))); It’s not all that obvious how it works and it also has performance problems. This solution has to iterate over list1 for every object in list2 . Not every object every time but on average half of them (if the lists contains no duplicates within themselves). If the lists contains a 1000 objects each there’s a good chance that list1 |
HTTP/1.1 301 Moved Permanently Location: https://alicebobandmallory.com/ Date: Sun, 24 Oct 2021 07:23:46 GMT Server: lighttpd/1.4.35 HTTP/1.1 200 OK X-kcd: http://xkcd.com/386/ Content-Type: text/html; charset=utf-8 Accept-Ranges: bytes ETag: "2125481126" Last-Modified: Fri, 16 Aug 2019 12:16:53 GMT Content-Length: 35911 Date: Sun, 24 Oct 2021 07:23:47 GMT Server: lighttpd/1.4.35 |
Domain Name: ALICEBOBANDMALLORY.COM Registry Domain ID: 900218960_DOMAIN_COM-VRSN Registrar WHOIS Server: whois.ascio.com Registrar URL: http://www.ascio.com Updated Date: 2021-03-01T13:45:44Z Creation Date: 2007-03-29T11:36:41Z Registry Expiry Date: 2022-03-29T11:36:41Z Registrar: Ascio Technologies, Inc. Danmark - Filial af Ascio technologies, Inc. USA Registrar IANA ID: 106 Registrar Abuse Contact Email: abuse@ascio.com Registrar Abuse Contact Phone: +1.4165350123 Domain Status: ok https://icann.org/epp#ok Name Server: NS3.LOOPIA.SE Name Server: NS4.LOOPIA.SE DNSSEC: unsigned >>> Last update of whois database: 2021-09-12T15:16:35Z <<< |