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  Facebook : App Center is more suitable for developers

Facebook recently announced that they will release their own app store named App Center. It will be released in a few weeks. At the same time, Facebook also released the introduction page of the App Center, it introduces to developers the process of app submission and the standards of app approval.Facebook allows developer to provide charged apps via App Center. Since it has over 900 million active users globally, so many developers are willing to develop apps on this platform. Facebook will dec...

   Facebook,App Center,Introduction     2012-05-13 01:03:56

  Run code with multiple files in the same main package in GoLang

To run a GoLang program, there needs to be a main() function defined. In some cases when developing some demo program which has multiple files and just wanna put them in the same main package and this folder is not in GOPATH, how to run the program? Let's say we have following folder structure where the main() function is defined in main.go. If you just run below command, it would fail to start to run the program and gives some error if some struct is defined in other files and being used. PS D...

   EXECUTABLE,GOLANG,MAIN PACKAGE,MULTIPLE FILE     2021-05-15 10:20:10

  SameSite attribute in cookie

Starting from Chrome 51, a new attribute SameSite has been introduced for browser cookie. This attribute is to prevent CSRF attack. Cookie is normally used to store data exchanged between client and server. It frequently stores user login information. If a malicious website can forge a HTTP request with the valid third party website cookie, it may be called a CSRF attack. For example, if a user logins to a bank website your-bank.com, the bank server responds a cookie: Set-Cookie:id=a3fWa; L...

   JAVASCRIPT,COOKIE,SAMESITE,CHROME,CSRF     2019-09-14 04:57:51

  A Clash of Titans Between Elon Musk and Larry Page over AGI's Future

Artificial General Intelligence(AGI) has long been a topic of fascination and concern for technology leaders, with some seeing it as humanity's ultimate tool, while others view it as an existential threat. This clash of perspectives was on full display during the acquisition of DeepMind by Google in 2014, as two tech titans, Elon Musk and Larry Page, found themselves on opposite sides of the debate. While Page saw AGI as a necessary and desirable step in humanity's evolution, Musk was more wary ...

   AI,LARRY PAGE,ELON MUSK,AGI     2023-04-30 11:13:53

  How to Convert Images on Mac Finder

If you have a lot of images in different formats and you want to convert them to a common format, you can use the Mac Finder to do it easily and quickly. Here are the steps to follow: 1. Open the Finder and navigate to the folder where your images are stored. 2. Select the images that you want to convert. You can use the Shift key or the Command key to select multiple images at once. 3. Right-click on the selected images and choose Services > Preview from the context menu. This will open the ...

   MACOS,FINDER,IMAGE CONVERSION     2023-04-16 02:09:54

  A mini guide to HTTP referer

In HTTP header, there is a field named Referer which is to provide the referrer of the current accessed page. In this post, we will introduce the usage of HTTP referer field. On the web, when a user visits a webpage, s/he must be from some place. This place is usually referred a s referer. This information is very important to some website operators and server owners as they want to know where they get the traffic from and this helps them provide better service for potential targeted users. In t...

   HTML,HTTP REFERER,REFERRERPOLICY     2019-06-29 02:23:25

  What you may not know about PHP session

When we access one website, the site usually should have a mechanism to keep track of the status of the user on the site. There are a few mechanisms supported by many server side languages to help track user status such as session and cookie. Today we will talk about session, when creating a session, we need to keep track of many data, besides user data, we also need to tell the server what is the timeout of the session so that we can garbage collect the session data which should not be stored a...

   PHP session,session timeout,example     2013-07-06 08:44:18

  C++, Ruby and CoffeeScript complexity comparison

There are many programming languages around the world, they all designed to help programmer solve some problems, finish some tasks. These languages are often divided into different types, there are structural, object-oriented, functional, scripting languages etc. Some are easy to pick up such as Java, while some are thought to be difficult to learn such as C++. So how do we understand complexities of different programming languages?Many people agree that C++ is very complex languages, it has poi...

   Complexity, languages, C++,Ruby,CoffeeScript     2012-06-12 04:46:01

  First page of 2012

The tail of 2011 has gone through my heart silently, Year of 2012 is coming with mystery. Looking back to 2011 and looking forward to 2012, it's time to record something...In the past 2011, nothing specials happened in my life. At the beginning of 2011, I was a college student with full of passion, while at the end of 2011, I am an engineer with 5 month's working experience. At the beginning of 2011, I was struggling through my Final Year Project and job hunting, while at the end of 2011, I am p...

   2012,New year,Mayan,Summary     2012-01-01 05:19:32

  Difference between sans-serif and serif font

When we design website, we will often need to choose which font to use while displaying contents on the page. Basically what's the criteria for the choice? There are two big families of fonts : sans-serif and serif. We need to first understand what the difference is between these two. The word sans is from French, the meaning of it is without. So the difference between sans-serif and serif is serif font will have lines in all ends of the character while sans-serif fonts don't have. Some examples...

   Sans-serif,Serif,French     2013-06-10 05:11:57

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