SEARCH KEYWORD -- Write


  Hello, Kernel!

When we learn module programming, the first small program must be hello, kernel!. For a novice, how do we avoid some mistakes and how to fix the bugs we have when writing the first module program? Is there any example we can refer to? Here is one example. 1. Write the hello.c 01 #include <linux/init.h> 02 #include <linux/module.h> 03 #include <linux/kernel.h> 04 //Compulsory 05 //Module lincese declaration 06 MODULE_LICENSE("GPL"); ...

   module,kernel,Linux     2013-05-03 03:33:52

  4 Technologies That Impact You (Without Your Knowledge)

Our world to day is so driven by technology that it’s easy to stay on top of the major changes and developments. We know when there’s a major new innovation in personal electronics; we know that the 5G network is rolling out this year; we track the progress of smart cars, learning thermostats, and interactive home speakers. We even tend to care about how major tech companies around the world are performing! However, as “plugged in” as we all seem to be to the world of tec...

   AI,DATA ANALYTICS,IOT     2020-04-16 06:35:54

  Behavior of defer function in named return function

In Go, there is a special concept of named return value in function where a returned value can have name. For example, below is a named function in Go. func returnNamed() (i int) { i = 1 return } When the function returns, the return value i will have a value of 1.  Also, Go has a concept of defer which will execute a function just before the calling function exits. This is similar to what finally block does in other languages such as Java. For example, a defer function can be func deferF...

   GOLANG,DEFER,NAMED RETURN,DIFFERENCE     2018-11-20 09:04:07

  How to Set Spring profile With Example

Technology:  Spring Profiles provides a way to isolates the parts of application configuration, it will make available only in certain environments. It is mainly useful it wants to load spring beans based on environment configuration, for example if the operating system is windows we can load some specific spring beans, if it is other than load different spring beans. One more scenario where spring profiles widely used, like for QA environment we will use some database which is hosted local...

   JAVA,PROFILE,SPRING,DEVELOPMENT,APPLICATIONS     2018-07-20 01:17:23

  Connect to SQLite using Go on Windows

In software development, it's often necessary to test and validate logic using a lightweight and easily manageable database system. SQLite, with its minimal setup and zero configuration requirements, is an excellent choice for such scenarios. Leveraging the simplicity and efficiency of SQLite for testing purposes can significantly streamline the development process. In this guide, we'll explore how to seamlessly connect to SQLite using Go on Windows, empowering developers to efficiently test the...

   WINDOWS,TUTORIAL,GOLANG,SQLITE3     2024-02-11 20:58:12

  How can you test if your VPN is working properly?

Installing a VPN on your device is one of the essential steps you need to take in order to have a safe and pleasant online experience. It good functioning is in your best interest and this is why you need to make sure that your VPN is working properly. Unfortunately, a lot of problems can occur if it turns out that your VPN is not up to the task and that it has some leaks.  Can a leak really occur? To answer you most directly – Yes! Yes, it can! Unfortunately, no system is perfect an...

   VPN     2020-09-17 06:53:19

  Our Go Cache Library Choices

In Build a Go KV Cache from Scratch in 20 minutes, I walked you through what matters when writing a local cache, and eventually implemented one, whose performance was beaten badly by that of the popular go-cache on Github though. However, the bright side is that we can learn a lot from those excellent Github Go cache products, studying their features, applicable scenarios, and implementations, and extracting what we need. In this article, I will mainly analyze and compare the four...

   GOLANG,CACHE,GO-CACHE,BIGCACHE,GOURPCACHE     2022-04-16 07:48:11

  Cross platform portable class libraries and .net

What’s that happy little feature developers are admiring? Oh that’s Portable class libraries that have been chugging along, during their thing and delivering to the point results wherever used by developers. If a developer is not writing .net applications for multiple targets, then he likely hasn’t bumped into these libraries. However, developers who are writing .net apps and want these apps to run on every platform from watches to tablets to desktops to the cloud, they can ava...

   asp.net, Cross platform     2015-01-12 05:06:44

  6 Astounding Joomla Templates That Support EasyBlog

No doubt, blogging offers a fabulous platform where one can express his emotions, and share his views with others over the Internet. It can also help you leverage your business, as you can publish suitable blogs to efficiently promote your products and services. Moreover, one can also use blogs to exhibit his online portfolio and thus, benefit his business.  Today, there are several blogging platforms that offer a brilliant blogging experience. However, Joomla makes a superior choice among ...

   joomla, joomla templates, mobile template     2015-07-03 01:25:19

  Shell script common interview questions

Shell script is frequently used when monitoring system status on Linux. It's not an easy task to write shell script but it's a very important skill for developers and system administrators to ease work and automate common tasks. This post will share some common interview questions about shell script. 1. Get random characters(8 characters) Method 1 # echo $RANDOM |md5sum |cut -c 1-8 471b94f2 Method 2 # openssl rand -base64 4 vg3BEg== Method 3 # cat /proc/sys/kernel/random/uuid |cut -c 1-8 ed...

   LINUX,INTERVIEW,SHELL SCRIPT     2018-09-28 10:46:00

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