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The latest on Java-on-Java: the Oracle experiment that is gaining momentum
What is Project Metropolis? The not so hush-hush Project Metropolis is all set to implement Java on itself – popularly known in the developer community as Java-on-Java. Oracle has released updates on its progress, and they are very encouraging. The project will focus on building a JIT (just in time) compiler that is written in Java. It is being touted as the experimental clone of JDK (Java Development Kit) 10. Work on ‘ahead of time’ compiling and Graal compiler is also i...
HIRE JAVA DEVELOPERS 2017-05-22 08:49:32
noConflict mechanism in jQuery
Many JavaScript frameworks like to use $ as function or variable name, jQuery is one of them. In jQuery, $ is just a reference to window.jQuery, so even if $ is deleted, window.jQuery will still be available to ensure the whole library can work normally. jQuery API design takes fully consideration of multiple frameworks conflicts, we can use jQuery.noConflict function to easily handle control. jQuery.noConflict accepts one optional boolean parameter[1] to determine whether to hand jQuery object ...
jQuery,noConflict,$ 2013-03-14 19:40:36
Prototypes and Object Orientation
David Chisnall takes a look at the two dominant paradigms in object-oriented languages (classes and prototypes) and discusses the strengths and weaknesses of each.Two terms are quite often confused when describing programming languages:class-based and object-oriented:Simula was the first class-based language. It provided classes (actually implemented using closures) as a means of encapsulating abstract data types.Smalltalk was the first object-oriented language. It provided a...
Prototype,OOP,Differential,Comparison,Mo 2011-09-02 11:51:26
Resolve SystemStackError issue when resolving IP address in Ruby
In Ruby, Resolv is the default DNS resolution implementation. It can be used to resolve IP address of a hostname. To use it, one just needs to require 'resolv' in the code. But sometimes, a user would want to check /etc/hosts first or some other mechanisms to resolve an IP address. In this case, one can require 'resolv-replace' and then replace the default DNS resolvers with customized DNS resolvers. For example, using resolv-replace, one would write require 'resolv-replace' Resolv::DefaultResol...
RUBY,RUBY ON RAILS,NETWORK 2017-07-08 09:54:35
Mark Zuckerbeg's hacker way
According to TechCrunch, Facebook CEO Mark Zuckerberg wrote codes for the latest mobile IM application : Poke, the tone played when receiving push notifications is from the mouth of Zuckerberg. This approach reflects the way pursued by Zuckerberg : hacker way.As one of the earliest features of Facebook the "Poking" is invented by Zuckerberg, it is not surprising that Zuckerberg involves in Poke's development.Zuckerberg recorded his own voice on the phone initially just for fun. But he was later ...
Poke,Facebook,Snapchat, Mark Zuckerberg 2012-12-24 12:01:52
Let's talk about JSON.stringify()
JSON has been used in lots of places to exchange data among different services/systems. Nowadays all mainstream programming languages have built-in library support of JSON data parse and stringify. In this post, let's talk about JSON.stringify() in JavaScript. Let's first take a small example of Object conversion handling. There is a requirement to convert below object const todayILearn = { _id: 1, content: '今天å¦ä¹ JSON.stringify(),我很开心ï¼', ...
JAVASCIPT,JSON,JSON.STRINGIFY 2020-02-22 04:25:08
A handbook on the first day of joining a new internet company as BE engineer
When joining a new internet company, there might be lots of things need to be done to get ready for taking new challenges. These include both culture and tech preparation. in this post, we would focus on how to prepare the first day technically. The first thing to do is to get your laptop or your work machine up, these involves lots of tool setup and accesses. Normally there are three major task categories. Access As an engineer, there are lots of accesses needed to access different resources wi...
TIPS,CAREER ADVICE,ONBOARDING 2021-12-11 21:32:10
The Story of W&L: China’s Great Internet Divide
Here’s an introductory quote from The Story of W&L, a tale of China’s great internet divide: China does not have one so-called “national internet,†instead there’s a great divide. It encompasses the elite with ThinkPad laptops and also the grassroots with MTK Shanzhai mobile phones. Our elites are on par with America, while our grassroots are on par with Vietnam. This is the story of W&L, two representatives of China’s great internet divide. T...
China,Internet divide,Elite,Grassroot,Laptop,Mobile phone 2011-12-05 12:23:56
Prototypes in JavaScript
Following on from his previous article, David Chisnall explores JavaScript as an example of prototype-based object orientation. In this article, he shows how it's possible to implement more complex object models on top of this simple abstraction.My previous article, Prototypes and Object Orientation, considered the differences between class-based and prototype-based object orientation. In this article, we'll look in a bit more detail at the workings of the JavaScript object model, since it'...
JavaScript,Prototype,Object oriented,Obj 2011-09-02 11:44:12
Forgotten TODOs: ideas for contributing to open-source projects
I often talk to students that want to contribute to open-source projects, but just don't have an idea what to work on. Here's a tip if you're in a similar situation (e.g. you want to apply for GSOC) : 1 git clone repository_url_of_some_open_source_project target_directory 2 grep -RIn TODO target_directory/* So, find the URL of the repository project you want to contribute to, checkout the repository using git/mercurial/svn and then find all the TODOs in the source code using grep. The -RI...
Open source,constribution,TODO,participation 2012-03-03 22:30:28
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