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  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

  Linux Clock : CST,UTC and NTP setup

1. There is an option when you set up clock on installing Linux: system clock users UTC, so what does UTC mean? It's Universal Time Coordinated(UTC), there are two different times in GPS system: one is UTC , the other one is LT(Local Time). The difference between these two is just the timezone difference, UTC is the time in timezone 0. If the local time in Beijing is 8 o'clock in the morning, then UTC time is 0 o'clock, which is a 8 hour difference. 2. In Linux, when we use date to check the tim...

   Linux,Clock,UTC     2013-03-21 12:19:30

  Using htpasswd to protect your website in Nginx

We need to build a password protected website frequently such as an internal website within the team, demo website. Here what we are talking about is password protection in Nginx server level instead of application level registration and login. We are going to use Nginx server configuration and htpasswd file to achieve password authentication. The final result looks like below(Different browsers may have different interfaces): If the authentication fails, it will report a HTTP error: 401 Author...

   Nginx,Password protected,htpasswd     2013-06-07 21:35:27

  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

  Install Google services on Huawei MatePad

Since the trade war between China and US, lots of services are not allowed to be used on Huawei devices as a series of procedures enforced by US government to restrict China. These services include the Google Play services which are used for downloading Android apps on Android devices. This has brought big trouble to Huawei users as they are not able to download apps available for all other Android devices.  Fortunately, there are ways for people to get Google services installed on Huawei d...

   GOOGLE,PLAY STORE ,HUAWEI MATEPAD     2020-02-02 05:20:43

  When to use STDERR instead of STDOUT

Every process is initialized with three open file descriptors, stdin, stdout, and stderr. stdin is an abstraction for accepting input (from the keyboard or from pipes) and stdout is an abstraction for giving output (to a file, to a pipe, to a console). That's a very simplified explanation but true nonetheless. Those three file descriptors are collectively called 'The Standard Streams'. Where does stderr come from? It's fairly straightforward to understand why stdin and stdout exist, however ...

   UNIX,STDERR,STDOUT,Difference     2012-01-14 12:07:43

  Differences among Enter,F5 and Ctrl+F5 in webpage refresh

When we press Enter, F5 or Ctrl+F5 to refresh a webpage, is there any difference among them? Actually it's yes, we can find the difference from the request header and response header information. There are two cases about pressing Enter in the address bar. First if the page requested is cached and not expired in the browser, we can find the header information sent by the browser is : Host 192.168.3.174:8080 User-Agent Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0 Accept ...

   Refresh,F5,Ctrl+F5     2013-06-13 22:03:35

  Top 10 PHP Best Security Practices for Sys Admins

PHP is widely used for various of web development. However, misconfigured server-side scripting would create all sorts of problem. And here are php security best practices that you should aware when configuring PHP securely. Nowadays most of the web servers are operated under Linux environment (like: Ubuntu, Debian...etc). Hence, in the following article, I am going to use list top 10 ways to enhance PHP Security Best Practices under Linux environment. My sample setup for PHP Security Tips: D...

   PHP,code security,System admin,Advice,Best practice     2012-02-01 00:04:37

  Turn Your Visitors Into Shoppers With Responsive Magento Website

In recent years, there has been an influential growth in the number of internet users across the world. If statistics are to be believed, almost 83% of the web users are engaged over smart devices like Tablets, Mobiles, Ipads, Laptops, Desktop, etc. In 2008, the core community of Magento released a spellbinding web development solution i.e Responsive Magento Website to uniformly serve the target audience. Due to technological advancement in digital realm, there has been a splurged introduction o...

   MAGENTO DEVELOPERS,RESPONSIVE WEBSITE     2015-10-13 01:50:26

  5 Pro Tips Social Media Managers Swear By

Digital marketing is ruling the world, and rightly so. It's cost-effective, it increases business growth and helps in building a brand reputation. But to get successful results, it is important to target the right audience. This is where a social media manager’s experience helps. Social media managers create and manage a brand’s promotion strategy by monitoring the activity of their core audience. They are responsible for handling social media accounts and running marketing campaigns...

   SOCIAL MEDIA     2021-05-02 06:51:18

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