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  Deep clone of JavaScript object

In JavaScript world, it's frequently seen object clone. Normally when creating a clone of an object, it's only the reference being cloned but not all contents. In some scenarioes, it's desired to clone all the content instead of just the reference such that any change made to the cloned object will not change the original object. Differences between shallow clone and deep clone can be as simple as: Shallow clone : Only the object reference is cloned but not the content Deep clone : Clone all co...

   JAAVSCRIPT,DEEP CLONE,DEEP COPY,SHALLOW CLONE,SHALLOW COPY     2016-10-31 00:27:24

  Creating a PHP 5 Extension with Visual C++ 2005

This article describes the steps to create a custom PHP extension DLL for the Windows platform. The Zend API documentation that comes with PHP 5 on Windows (see php_manual_en.chm) does a good job explaining how to write extension methods, parse method parameters, and return values. But there is not currently a good step-by-step tutorial on how to get your first extension project up and running on Windows. The aim of this article is to fill that gap. Prerequisites Visual Studio 2005 You can...

   PHP,Extension,Writing,Windows,Step by st     2011-07-23 01:56:53

  RAM is the new disk...

Jim Gray, a man who has contributed greatly to technology over the past 40 years, is credited with saying that memory is the new disk and disk is the new tape. With the proliferation of "real-time" web applications and systems that require massive scalability, how are hardware and software relating to this meme? Tim Bray, in his discussions about grid computing before it became such a hot topic, pointed out how advances in hardware around RAM and networking were allowing for the creation...

   RAM,Flash,Memory,,Future,Disk     2011-08-12 07:34:27

  That’s Not TDD

A few months ago I was visiting a client who was having a lot of problems using TDD. “It takes over half an hour to run our unit tests,” he said. “You are not doing TDD,” I said. “In order for tests to be valuable all of them must run fast—within a few seconds, or developers will stop running tests frequently.” “But how to I make them run fast?” he asked, “Just connecting to the database takes 30 seconds” So I showed him a techn...

   TDD,Driver,QA,Model,Uncontrol,Method     2011-08-25 02:26:29

  Best practices of front end optimization

1. Use DocumentFragment or innerHTML to replace complex elements insertion DOM operation on browser is expensive. Although browser performance is improved much, multiple DOM elements insertion is still expensive and will affect the page load speed. Assume we have an ul element on our page, we now want to retrieve a JSON list using AJAX and then update the ul using JavaScript. Usually we may write it as : var list = document.querySelector('ul'); ajaxResult.items.forEach(function(item) { // ...

   JavaScript,Front end,Optimization,Tips     2013-07-06 11:26:27

  HP's Apotheker recounts TouchPad disaster in post mortem

Summary: “The tablet effect is real and sales of the TouchPad are not meeting our expectations,” says HP’s CEO. The TouchPad was quickly becoming a money pit. HP CEO Leo Apotheker wasn’t shy about outlining the company’s challenges. He noted that the “tablet effect is real” and dinged HP’s PC business. In addition, the TouchPad failure was about to become a money pit. That reality led HP to move...

   HP,webOs,Death,Palm,Touchpad,Diaster     2011-08-19 07:35:17

  Fix issue docker-credential-desktop not installed or not available in PATH on Mac

Sometimes you may encounter below issue while running docker-compose on MacOS. Traceback (most recent call last): File "docker-compose", line 6, in <module> File "compose/cli/main.py", line 71, in main File "compose/cli/main.py", line 127, in perform_command File "compose/cli/main.py", line 1085, in up File "compose/cli/main.py", line 1081, in up File "compose/project.py", line 527, in up File "compose/service.py", line 354, in ensure_image_exists File "compose/service.py",...

   MACOS,DOCKER,DOCKER-COMPOSE     2020-06-23 03:25:16

  How Artificial Intelligence is Changing the Future of Web Design & Development

Artificial intelligence is having a say in how web designs are shaping up nowadays. Many within the industry have even gone on to say that AI is the future of web design and development. The impact of AI on web design and development can be felt by understanding how web design has evolved over the years. Traditionally, all websites were created using HTML. Then, with the advancement of technology, the code structure of websites began to change and became more sophisticated. Now, it has come to a...

   HIRE WEBSITE DESIGNER, OUTSOURCE WEBSITE DESIGN SERVICES     2020-02-13 02:21:26

  Jack Ma speaks within the company's intranet post PDD earnings report

On November 28th, PinDuoDuo(PDD) released its financial report for the third quarter of 2023, ending on September 30th. The revenue for the third quarter was 688.4 billion RMB, showing a year-on-year growth of 93.9%. The net profit, according to the U.S. General Accounting Standards, reached 15.54 billion RMB, with a net profit margin of 22.6%. PDD attributed its overall positive performance to the accelerated recovery of the consumer market and the vigorous implementation of its "high-qual...

   PDD,JACK MA,ALIBABA     2023-11-29 06:02:09

  4 types of programmers

Not every one who writes code is a programmer. Programmers are people who live with programming. There are 4 types of programmers: scientist, coder, expert and artisan.Scientist, they are more like mathematicians rather than programmers. They invented various theories, algorithms and terminologies. Proofs and calculations in textbooks are all from these people. Moreover other programmers more or less benefit from their work. Sometimes one paper published by them can change the way of thinking of...

   Programmer,Coder,Expert     2013-07-13 09:19:03

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