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  iPhone 7 may come with following new features

There are all kinds of news that iPhone 7 will be released in the coming September. Now the news seems to be convincing. On 26 August, a Sina Weibo(China's Twitter) user @POPPUR posted an weibo which says that China Telecom, one of the largest telecom vendors in China, has opened the pre-order of iPhone 7. Along with this, a few new features of iPhone 7 are also released. On the photo uploaded, there are a few new features of iPhone 7 displayed. They are : Waterproof No headphone jack Wireless...

   NEW FEATURE,NEWS,IPHONE 7,CHINA TELECOM     2016-08-27 03:50:41

  Do NOT use boolean variable as function parameters

We follow lots of coding styles and coding standards when we do programming, but we may frequently forget one. The forgotten one is that do not use boolean parameter as the function parameters. The reason is it would greatly reduce the readability of the code. Don't believe it? When you read the following code, what does this code mean? widget->repaint(false); Do not repaint? Or what does this mean? After looking at the document, we know that this parameter is whether ...

   CODING STYLE,BOOLEAN,FUNCTION PARAMETER,CODING STANDARD,METHOD PARAMETER     2012-04-22 02:38:45

  Handy PHP functions should be in your toolkit

When developing projects, there are always some common work should be accomplished, for example, encrption/decryption, get IP. As a PHP developer, you should have a list of the handy functions in your toolkit so that you can pick up in every project you work on. Here is a summary of some handy PHP functions. 1. PHP encryption/decryption Encryption/decryption can be used when storing user confidential information such as passwords. Below function uses base64 and MD5 to accomplish encryption/decry...

   PHP,function,real IP,SQL injection     2014-12-06 08:46:08

  File upload once again

File upload is one of the oldest operation of web design. After 20 years, it's still has no big change, difficult to handle, lack of interaction and poor user experience. Web developers have thought many methods to improve the experience of uploading file in web apps, they developed various plugins based on different JavaScript libraries. However, because of the difference among different web browsers, there is no common interface which makes these plugins work properly or easily on all web brow...

   Web design, File upload, Asynchronous,HTML5     2012-09-02 11:52:21

  Have you used these JavaScript libraries before?

Are you a vanilla JavaScript developer or a JavaScript library lover?  If you are a vanilla JavaScript developer, please feel free to step away silently because you may not get what you want, but if you are a library or framework lover, please bookmark this page as what we list below are what you may use in the future. There are tons of JavaScript libraries created to ease the headache of developers who have to deal with different browsers on different devices. You may use some of them befo...

   JavaScript,Framework,Library     2014-09-27 22:06:55

  String intern in Java

In Java, == is used to compare whether two objects have the same memory location, equals() is usually used to compare whether two objects have the same time and the same state.  When comparing two strings, normally we just want to know whether they have same content, so we can choose equals(). But since String comparison is so frequently needed, Java has worked on the String class to make == workable when comparing two String literals. The String class maintains a pool of emp...

   JAVA,STRING     2016-04-10 03:35:25

  WeChat owns 70 million users now out of China

According to 36 Kr, on this year's Tencent Partner Conference, Tencent president Zhiping Liu announced that WeChat had more than 70 million users out of China, it entered Malaysia, Thailand, India, Indonesia, the Middle East, Mexico and other countries. And it has become the No.1 IM app in Mexico .While in early April, WeChat had only 40 million users abroad. In just three months, 30 million news users started to use WeChat.Tencent spares no effort to promote WeChat to the international market. ...

   WeChat,Internationalization,China,Tencent     2013-07-03 03:09:34

  Command line todo list manager-- Taskwarrior

What is Taskwarrior? Taskwarrior is a task management tool in a terminal environment, it has powerful functions. Here is a short description about it from its official website: It maintains a task list, allowing you to add/remove, and otherwise manipulate your tasks. Task has a rich set of subcommands that allow you to do sophisticated things. You'll find it has customizable reports, charts, GTD features, device synching, documentation, extensions, themes, holiday files and much more. Installa...

   Taskwarrior,Task management     2013-08-12 23:44:20

  Push docker image to remote AWS ECR

With the popularity of distributed and large-scale systems, there are more and more adoptions of cloud services. One of the most popular container in the market is Docker and one of the most popular cloud service provider is AWS. From development perspective, there is frequent need to push local docker image to remote ECR for debugging or testing purpose. Normally when a code change is done and the committed change would go through a series of process like code review, push to remote repo, merge...

   CLOUD,AWS,DOCKER,AWS ECR     2020-12-13 04:12:26

  Multithreading interview questions in Java

Multithreading as a widespread programming and execution model allows multiple threads to exist within the context of a single process. These threads share the process' resources but are able to execute independently. The threaded programming model provides developers with a useful abstraction of concurrent execution. However, perhaps the most interesting application of the technology is when it is applied to a single process to enable parallel execution on a multiprocessor system.Many programme...

   Multithreading,Java,Interview     2012-05-28 06:33:25

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