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  try { return } finally {}

Do you know what value will be printed when following program is ran? class Test { public int aaa() { int x = 1; try { return ++x; } catch (Exception e) { } finally { ++x; } return x; } public static void main(String[] args) { Test t = new Test(); int y = t.aaa(); System.out.println(y); } } And before answering the above question, do you have answers to following questions? If ther...

   JAVA,JAVA INTERVIEW QUESTION     2016-09-26 08:06:28

  4 Things Every Great Online Teacher Knows

Virtual classrooms have become the new norm for education during the pandemic. Teachers from every school have to adjust to this new reality to ensure students keep learning even in the absence of a physical classroom setup.  Thankfully, there are various digital solutions to help teachers conduct online classes without much hassle. One such tool that has revolutionized the online learning market is a Learning Management System (LMS). For schools, the in-house learning management department...

   EDUCATION,ELEARNING,ILEARNING     2021-02-12 03:23:43

  Python PLC Honeypot Project

Program Design Propose : This project aims to develop a sophisticated honeypot system that emulates an OT (Operational Technology) SCADA network environment, bridging Level 1 OT field controller devices (PLCs) with Level 2 control programs, including Human-Machine Interfaces (HMIs). This honeypot will simulate various PLC models from major vendors, such as Schneider and Siemens, while supporting the primary communication protocols Modbus-TCP and Siemens-S7Comm. The system will integrate essenti...

       2024-11-25 03:56:49

  Useful functions to provide secure PHP application

Security is a very important aspect of programming. There are many functions or modules in any kind of real programming language providing security functionalities  In modern websites, we may often get inputs form users all around the world.There is a famous saying which says that never trust user input. So in web programming languages, we will often see functions which will guarantee the security of the data input from users. Today we will cover some of these functions in the most famous o...

   PHP,security,SQL Injection,XSS,AJAX     2014-10-30 04:21:59

  Encrypting and decrypting PGP file or text on MacOS

When doing data exchange among different parties, there is a frequent need of encrypting data or file and sending it to partner and asking partner to use corresponding key to decrypt the data or file. A famous way of exchanging data is using asymmetric keys where no secret key needs to be shared. One party can just use the public key shared by partner to encrypt the data and the other party uses the private key to decrypt the data. Today, we will introduce how to use PGP to encrypt and decrypt d...

   TUTORIAL,ENCRYPTION,DECRYPTION,PGP,GPG     2020-10-29 05:06:09

  Returning To Work After COVID-19: How To Ensure Your Employees Are Ready

Every aspect of our day-to-day lives has been impacted by the Internet, whether it be work or personal time. Since nations enforced strict lockdowns, employees have mostly been working remotely. Now that the world is slowly getting back on its feet after the lockdown, employers are evaluating their options and planning strategies to ensure employee safety after returning to the physical office.  With some restrictions remaining, companies must consider not just the workplace, but employees'...

   TRAINING,COVID-19,REMOTE WORK     2022-03-29 08:35:08

  Kubernetes Authentication & Authorization 101

If we want to build a system with user modules, Authentication and Authorization are something that we can never ignore, though they could be fuzzy to understand. Authentication (from Greek: αὐθεντικÏŒς authentikos, “real, genuine”, from αὐθέντης authentes, “author”) is the act of proving an assertion, such as the identity of a computer s...

   RBAC,AUTHORIZATION,AUTHENTICATION,KUBERNETES     2021-06-05 23:19:18

  TIOBE : Where is that next big programming language?

TIOBE has released the Programming Community Index for May 2012 a bit late. The top 3 languages do not change compared to last Month TIOBE : C overtakes Java as the No.1 programming language, they are still C,Java and C++. However, the share of Java is continuing dropping, Objective-C is steadily rising  Other languages which have rising trend are Visual Basic.NET，PL/SQL and Logo.The last 8 years not much has changed in the top 10 of the TIOBE index except for Objective-C (in) and Del...

   TIOBE,2012,May,King     2012-05-12 01:18:27

  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

  How to harness company’s resource?

As an employee, it is no doubt that we should spare no effort to contribute to your employer since it pays us salary. But at the same time, we should also consider how to utilise the company's resource to enrich ourselves. After all, only if we become more competent and brilliant, the company can benefit more from us, and this will be a definitely win-win situation. In this post, I will illuminate how to take advantage of company's "hardware" and "software" resource. (1) “Ha...

       2017-08-11 05:18:07

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