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  Event Loop Mechanism in JavaScript

Introduction The Event Loop Mechanism The event loop mechanism is the core of how JavaScript handles asynchronous operations. It ensures that the execution order of the code aligns with the expected sequence. JavaScript's Single Thread JavaScript is known for being a single-threaded language, meaning it executes one task at a time. This can lead to a significant issue: if a thread is blocked, the entire program becomes unresponsive. To address this, JavaScript introduced the event loop mechanism...

   JAVASCRIPT,EVENT MECHANISM,EVENT LOOP     2024-07-03 08:19:09

  Some laws of interactive design

The well known quote from Alan Cooper is   Conforming to the standard unless there is a better choice. There are some best practices in interaction design. How many do you know? 1. Fitts' Law The time from one start point to target point is determined by two parameters: The distance to the target and the size of the target. )D and W in above picture), the formula is : T=a+blog2(D/W+1). It was first proposed by Paul Fitts, it is mathematical model used to predict the time from any poin...

   interaction design, laws, Fitts' law     2012-11-16 11:25:24

  Techies: Let's Not Forget Brain Hacking

A close-up of a jellyfish Description automatically generated with low confidence Credit: SergeyNivens via Canva The world of cyber security never fails to surprise us with bolder and more sophisticated cyber-attacks and...

   HACKING     2022-02-03 21:43:11

  8 very useful and free web security testing tools

With more pervasive of web applications, web security threats are becoming increasingly prominent. Hackers gain web server control by exploiting web server vulnerabilities and SQL injection vulnerabilities, then they may tamper with web content, or steal important internal data, the more serious is to inject malicious code into web pages to affect visitors of websites. Attention is gradually warming up to Web Application Security. Here we recommend eight very useful and free web security testing...

   Website, security,Web security,Attack     2012-07-22 10:59:09

  Build RPM package on Linux

1. Check the OS version and core version #uname -a #more /etc/redhat-release 2. Create relative directories /usr/src/redhat/SOURCES    //Store source codes, patches, icons etc /usr/src/redhat/SPECS        //Store specs about the process of building RPM packages /usr/src/redhat/BUILD     //File after uncompressed are stored here /usr/src/redhat/RPMS     //Store the binary files built with rpmbuild /usr/src/redhat/SRPMS&nbs...

   RPM,Linux,Build     2013-03-22 12:44:29

  Some tips for writing proper emails

Email is now becoming one necessity of working. We may receive hundreds of emails everyday, they may from our colleagues, friends or clients. We need to exchange ideas, arrange meetings , asking for help etc though email in our work. A proper email can help us achieve what we want to achieve. Here we share some tips for writing a proper email.At the beginning of an email : Thank the reader is a good way to start the email, thank the reader may make the reader feel happy, especially when you ask ...

   EMAIL,TIP,FORMAT,TEMPLATE     2012-07-02 12:26:32

  10 reasons why I "hate" working in Facebook

To me, the past two years in Facebook is simply a nightmare, To celebrate the upcoming 2 year anniversary, I decided to jump out of it. Facebook, I have so many reasons to hate you. However, for fear that readers find me too annoying, I take my complaints to be condensed into the top ten reasons.1. Why should submit so much code? In the past two years, the number of Facebook engineers is doubled, and the amount of code submitted by each engineer is also increased with the increase of the number ...

   Facebook,Hate,Leave     2012-08-17 13:34:05

  How to fire an employee who is not good enough?

It's always a tough decision to make to fire an employee. No matter he/she performs how bad, it's hard for the boss to say one person is fired. How to fire an employee who is not good enough? On Quora, there is one such question asked and we think one answer is very attractive and useful. The answer is given by Michael O. Church who is a New York functional programmer. The best employees are multipliers who make others more productive, and next are the adders (workhorses). Subtracters are the g...

   Fire,Career,Talent     2012-09-13 20:04:34

  SIEM Big Data Visualization [02]: National Cyber Threats Dashboard

Dashboard for Summarizing SG National Cyber Threats in Critical Infrastructure Program Design Purpose: The purpose of this program is to develop a comprehensive Angular web dashboard plugin for a Security Information and Event Management (SIEM) system, focusing on the effective monitoring, categorization, summarization, and visualization of cyber threat events targeting Singapore's critical infrastructure. This dashboard will provide researchers and security managers with a clear, concise view ...

       2024-10-19 09:56:45

  Different types of keystore in Java -- Windows-MY

Windows-MY is a type of keystore on Windows which is managed by the Windows operating system. It stores the user keys and certificates which can be used to perform cryptographic operations such as signature verification, data encryption etc. Since it's a kind of native keystore, Java doesn't have a general API to access it. To help Java applications access the keys and certificates stored in Windows-MY keystore, Java provides a separate API -- SunMSCAPI. The SunMSCAPI provider is ...

   JAVA,KEYSTORE,WINDOWS-MY,SUNMSCAPI     2016-01-09 05:45:59

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