<![CDATA[Stories by Christopher Wu on Medium]]> https://medium.com/@christopherjwu2000?source=rss-fccb5ff94cc6------2 https://cdn-images-1.medium.com/fit/c/150/150/1*jfZXXUdYxpmTYOaUrk-qYQ.jpeg Stories by Christopher Wu on Medium https://medium.com/@christopherjwu2000?source=rss-fccb5ff94cc6------2 Medium Thu, 28 May 2026 17:06:15 GMT <![CDATA[Arrays vs Linked Lists: The battle finally settled]]>

The two most well-known and used data structures. Interviewers love grilling you on your knowledge of arrays and linked lists, often to…

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]]> https://medium.com/@christopherjwu2000/arrays-vs-linked-lists-the-battle-finally-settled-0d9c9fbf0160?source=rss-fccb5ff94cc6------2 https://medium.com/p/0d9c9fbf0160 Fri, 08 Mar 2024 02:54:17 GMT 2024-03-08T02:54:17.827Z <![CDATA[Should You Care About SD Card Speeds?]]>

It’s easy to overlook the speed of your SD cards, but choosing the right one can enhance your gaming, photography, and high-resolution…

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]]> https://medium.com/@christopherjwu2000/do-sd-card-speeds-make-a-difference-ce09bd8065d8?source=rss-fccb5ff94cc6------2 https://medium.com/p/ce09bd8065d8 Fri, 12 Jan 2024 22:02:03 GMT 2024-01-12T22:15:43.590Z <![CDATA[Beginner’s Guide to ‘Salting’ and Password Hashing to a Database]]>

When it comes to storing passwords in a database, security should be the top priority. This is where the concept of ‘salting’ and hashing…

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]]> https://medium.com/@christopherjwu2000/beginners-guide-to-salting-and-password-hashing-to-a-database-789d90d896b7?source=rss-fccb5ff94cc6------2 https://medium.com/p/789d90d896b7 Sat, 06 Jan 2024 21:29:44 GMT 2024-01-06T21:29:44.620Z <![CDATA[Single Sign On (SSO) Authentication for the Novices and Newcomers]]>

Imagine you have a magic key that opens many different doors. That’s what SSO, or Single Sign-On, is like. It’s a special way to log in…

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]]> https://medium.com/@christopherjwu2000/single-sign-on-sso-authentication-for-the-novices-and-newcomers-f974bc670b30?source=rss-fccb5ff94cc6------2 https://medium.com/p/f974bc670b30 Sat, 06 Jan 2024 19:17:40 GMT 2024-01-06T21:36:27.143Z <![CDATA[Leetcode Keys and Rooms in a Coding Interview Setting]]>

In this series, I simulate a coding interview with Leetcode problems.

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]]> https://medium.com/@christopherjwu2000/leetcode-keys-and-rooms-in-a-coding-interview-setting-1c32e73430df?source=rss-fccb5ff94cc6------2 https://medium.com/p/1c32e73430df Fri, 07 Jul 2023 23:41:13 GMT 2024-01-06T21:36:55.698Z <![CDATA[I was Given Leetcode “Number of Closed Islands” in a Mock Coding Interview: Here’s How it Went]]>

Continuing this series, I go through mock coding interviews with an AI and share with you my thought process through various leetcode…

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]]> https://medium.com/@christopherjwu2000/i-was-given-leetcode-number-of-closed-islands-in-a-mock-coding-interview-heres-how-it-went-e2b19fb5a520?source=rss-fccb5ff94cc6------2 https://medium.com/p/e2b19fb5a520 Fri, 07 Jul 2023 03:12:18 GMT 2024-01-06T21:37:23.888Z <![CDATA[I was Given “Leetcode Number of Islands” in a Mock Coding Interview: Here’s How It Went]]>

In this series, I go through mock coding interviews with an AI and share with you my fails and successes through leetcode problems. The AI…

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]]> https://medium.com/@christopherjwu2000/i-was-given-leetcode-number-of-islands-in-a-mock-coding-interview-heres-how-it-went-9dcc35fb3c83?source=rss-fccb5ff94cc6------2 https://medium.com/p/9dcc35fb3c83 Thu, 06 Jul 2023 19:19:23 GMT 2024-01-06T21:37:45.128Z