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  Error handling in GoLang

Error handling is one of the must talked topics for any programming language. The program would be more reliable and stable if errors are handled properly and timely. Each programming language has its own way to handle error, this applies to GoLang as well. This post will discuss more about GoLang's error handling mechanism. Error handling Before talking more about GoLang's error handling, we can see how different programming languages are handling errors. C's error check The most direct way of ...

   GOLANG,ERROR HANDLING,FLUENT INTERFACE     2021-03-06 21:36:08

  Demo on creating worker pool in GoLang

A worker pool is a pool where a specified number of workers(usually goroutine) created and run to pick up tasks. This can allow multiple tasks to be ran at the same time while keeping the number of workers a fixed number to avoid overuse of resource in the program. There are usually two approaches of creating worker pool. One is with fixed number of workers pre-created One is creating worker when needed until the max number of workers created In this post, we will cover the demonstration of cr...

   WORKER POOL,GOLANG,GOROUTINE     2021-01-24 05:04:00

  Good ways to "insult" a computer scientist

Computer scientists are a group of people who are hard working and talented. They build the theory foundation for information and computation and they usually work on something difficult to understand. Many computer algorithms are created by computer scientists. In our mind, they are those people we admire most. But sometimes we also want to make fun of them or "insult" them. What are good ways to "insult" them? Here we share some. Ask him to make a website for you...and with PHP. Ask them why ...

   Computer scientist,Jokes     2013-08-06 09:32:56

  7 Resources Every JavaScript Developer Should Know

A web developer today is expected to be an expert in every aspect of their craft and JavaScript is no exception.  Years ago JavaScript seemed to be more of an annoyance, producing those trailers at the bottom of the browser.  This has changed and JavaScript is a first-class citizen as a functional programming language and what seems like an unlimited number of resources covering the language. I have been doing more and more JavaScript lately, both on the front-end and some node.js...

   JavaScript,Resource,Study,Website     2012-03-15 12:54:40

  How to check whether a web page can be loaded in iframe

Sometimes you may want to load other website's page in your own website's iframe, but due to some security concerns, other website may have security configurations which prevent you from loading their pages into your iframe. In this case, if you try to load them, you would see a blank page or a text message telling that it's prohibited. Fortunately, you can detect this before you actually decide to load it. To prevent a page from being loaded by an iframe from other site, the response ...

   HTTP,HTML,IFRAME,SECURITY,X-FRAME-OPTIONS,CONTENT-SECURITY-POLICY     2018-07-27 22:36:02

  The story behind Twitter Bootstrap

Bootstrap is a free front end framework used for creating websites and web applications. It contains HTML and CSS-based design templates for typography, forms, buttons, navigation and other interface components, as well as optional JavaScript extensions. It now becomes a very popular front end frameworks for web designers. This framework was developed by Mark Otto and Jacob Thornton at Twitter. Later this framework was open sourced and hosted on GitHub and it now becomes one of the most popular ...

   Open source,Bootstrap     2013-12-16 08:14:22

  How to play with cross domain request

What is cross domain request In simple, cross domain request is to request resource from other domain in one domain. Note, the "other domain" doesn't just mean domain name only, it includes much more. If the protocol, domain name, port is not the same, two domains will be considered different.  Below example describes what is considered as different domain. http://www.a.com/a.jshttp://www.a.com/b.js               # Same domainhttp://www.a.com/lab/a.js &nb...

   FRONT END,JSONP,CROSS DOMAIN,CROSS ORIGIN,CORS,DOCUMENT.DOMAIN,WINDOW.NAME     2016-11-06 00:48:54

  Google plans to deprecate FTP URL support in Chrome

Currently people can access FTP list and download resources hosted on FTP servers in Chrome through FTP URLs, but this may not work anymore in the near future. In a post published by Chrome engineers, there is a plan to deprecate FTP support in Chrome version 82. The major motivation for this deprecation is that Chrome doesn't have an encrypted FTP connection support(FTPs), this raises security risk of downloading resources over FTP. Since users can access FTP URLs and download resources, there...

   CHROME 82,CHROME,FTP     2019-08-16 21:35:02

  Update & Delete Kubernetes resources in one-line command

It recently troubles me that my GKE cluster is managing more and more resources and causing difficulties in maintenance, one of which involves how to delete resources properly. Next, I will explain step by step the difficulties I encountered in my work and how I finally used the combination of bash commands and kubectl to implement the edition of Kubernetes objects through one-line command. In general The following are the basic operations that almost every Kubernetes user takes. Check ðŸ‘â€...

   KUBERNETES     2020-11-01 04:16:47

  Getting started with WTL on Visual Studio 2010

Now that you have downloaded the latest WTL release (v8.1 at the time of this writing), you will find out that it doesn’t have any project wizards for Visual Studio 2010. That’s a relatively easily fix. Just go ahead and download the latest build from the repository at AppWiz.tar.gz-view=tar. Extract the .tar file and you will find the JavaScript install scripts for VS 2010: I recommend you to extract the files to the same location were you installed the WTL files. In my ca...

   C++,Windows,WTL,VS2010,Configure     2012-02-25 09:32:31

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