SEARCH KEYWORD -- Graphic processing
Let's talk about JavaScript deep clone
In JavaScript, deep clone means creating a brand new object that includes all nested objects, with all properties being completely independent copies. This is different from shallow copying, which only copies the first-level properties, with nested objects being referenced rather than copied. There are multiple ways to perform deep copying in JavaScript, but the best one to use depends on the specific use case. Can use JSON.parse & JSON.stringify? ❌ JSON.parse(JSON.stringify(obj)) is a dep...
JAVASCRIPT,DEEP CLONE 2023-02-25 08:57:11
Essential skills any web developer should have
As a web developer, besides writing HTML code, there is much more to do before the site can go live. You may consider about user experience, device compatibility, security etc. To be a good web developer, you should acquire some essential skills for web development. Below we list some of them. Some of them you may be familiar with a long time ago, but definitely some of them you may not be so familiar with or even never hear about before. Interface and User Experience Be aware that browsers imp...
Web development,User experience 2014-03-21 06:44:49
Move.Me Writing Your Own WebSocket Server
The WebSocket protocol has applications beyond plain vanilla web development. I will explain how the protocol works, how to implement your own server and share some insights I had along the way. Before we get down and dirty, I will explain what I’ve been doing with it. At this point I expect many of you are saying “I’m not working on a web game this doesn’t seem relevant to me.†Well, neither am I. I embed a WebSocket server into my game engine and wit...
Socket,NetWorking,WebSocket,Server development 2012-01-28 07:06:43
Cracking Siri
On October 14, 2011, Apple introduced the new iPhone 4S. One of its major new features was Siri, a personal assistant application. Siri uses a natural language processing technology to interact with the user.Interestingly, Apple explained that Siri works by sending data to a remote server (that’s probably why Siri only works over 3G or WiFi). As soon as we could put our hands on the new iPhone 4S, we decided to have a sneak peek at how it really works.Today, we managed to crack ...
Siri,Cracking,Defect,Speech to text,Record,AI 2011-11-15 08:38:23
Translating math into code with examples in Java, Racket, Haskell and Python
Discrete mathematical structures form the foundation of computer science.These structures are so universal that most research papers in the theory of computation, programming languages and formal methods present concepts in terms of discrete mathematics rather than code.The underlying assumption is that the reader will know how to translate these structures into a faithful implementation as a working program.A lack of material explaining this translation frustrates outsiders.What deepens that fr...
Math,Algorithms,Formula,Program,Python 2011-11-14 08:43:15
Thoughts on Python 3
I spent the last couple of days thinking about Python 3's current state a lot. While it might not appear to be the case, I do love Python as a language and especially the direction it's heading in. Python has been not only part of my life for the last couple of five years, it has been the largest part by far. Let there be a warning upfront: this is a very personal post. I counted a hundred instances of a certain capital letter in this text. That's because I am very grateful for all the opport...
Python,Python 3,Feature,Drawback,Embrace 2011-12-07 08:46:47
10 Questions with Facebook Research Engineer – Andrei Alexandrescu
Today we caught up with Andrei Alexandrescu for a “10 Question†interview. He is a Romanian born research engineer at Facebook living in the US, you can contact him on his website erdani.com or @incomputable. We will talk about some of the juicy stuff that going on at Facebook, so let’s get started. Hello Andrei, welcome on Server-Side Magazine. 1. Tell us a little bit about yourself. Who are you? Where and what do you work? Who am I? Ah, the coffee breath of one talki...
C++,Facebook,PHP,Future,Machine learning 2012-02-06 08:08:12
How Query Optimizer Works in RDBMS
In a previous post, we discussed how the various relational operators are implemented in relational database systems. If you have read that post, you probably still remember that there are a few alternative implementations for every operator. Thus, how should RDBMS determine which algorithm (or implementation) to use? Obviously, to optimize the performance for any query, RDBMS has to select the correct the algorithm based on the query. It would not be desirable to always use the same algori...
DATABASE,DATABASE DESIGN,DATABASE OPTIMIZATION 2019-04-20 07:26:32
Handling Plugins In PHP
A common problem that developers face when building applications is how to allow the application to be "plug-able" at runtime. Meaning, to allow non-core code to modify the way an application is processed at runtime. There are a lot of different ways that this can be done, and lots of examples of it in real life. Over a year ago, I wrote a StackOverflow Answer on this topic. However, I think it deserves another look. So let's look at some patterns and common im...
Fear of Ignorance
This past week, I was interviewing a candidate for a VP role along with two of our engineering leads. Everyone in the room excluding myself was classically “technical†– they could write code, had experience solving hard software problems and a background in computer science. I wrote my last line of PHP in 2004, and it had to be rewritten by a real programmer within 6 months.During the interview, we had the following exchange (due to an imperfect memory, I’ll ...
Leader,Team,Technical,Leadership,Ignorence 2011-11-21 10:03:03
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