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  HTTP Server development resource summary

This article summarizes some materials, articles and books I used when learning HTTP Server development. Hope this will help you. RFC and standard documents RFC2616 – Hypertext Transfer Protocol — HTTP/1.1 HTTP protocol standard document, it's an essential reference document for all personnel engaged in the development of the HTTP-related projects, careful study is recommended. RFC793 – TRANSMISSION CONTROL PROTOCOL TCP Protocol standard document The WWW Common Gateway Interfac...

   HTTP Server,Book,Article     2012-09-25 22:46:56

  HTTP is not a transport protocol, HTTP is not RPC

Recently there was a question on the forums asking why we encourage usage of HttpRequestMessage<T> / HttpResponseMessage<T> in the signature of a web api implementation. The point made in the post is that if you have an ICalculator contract which your API implements, then it’s violating SOC / inappropriate to have those messages as params and in the contract. The argument is valid when looking at HTTP from the standpoint of an RPC mechanism, which is actually a quite co...

   HTTP,Transport protocol,RPC     2012-01-19 10:14:26

  Finding selected checkbox items in a JSF dataTable

This is one of those problems that I couldn’t find a complete example for when I needed it, so hopefully this will save somebody else the extra time it took me to piece it together. We frequently need to have data tables in our UI, and allow the user to select a subset of those items for action. In JavaServer Faces, this means having a DataTable, each row having its own checkbox. But when the action is triggered, how to we find which items the user has selected. The first step is to ...

   JavaServer Faces,JSF,Datatable,Checkbox,Example     2012-01-03 03:02:46

  Using JavaScript to operate clipboard

Browsers allow JavaScript to read and write data on clipboard. Generally script should not modify user's clipboard to avoid impacting user expectation, but there are cases where this can indeed bring convenience to users. For example, for some code snippet, user can copy it to clipboard with one click instead of select and copy manually. There are three options for clipboard operation provided in JavaScript/browser: document.execCommand() Asynchronous Clipboard API copy and paste events This p...

   JAVASCRIPT,CLIPBOARD,NAVIGATOR.CLIPBOARD     2021-01-23 23:23:34

  Tips of Drafting an R Markdown Document

When presenting the data summary and exploratory analysis, we used to copy a lot of tables, charts from Rstudio to PowerPoint, which makes the presentation preparation painful. It becomes essential for data scientists to make use of better reporting tools, such as R markdown, Jupyter notebook to prepare the analysis presentation in a more efficient and organized way. Of course, we want this to be reproducible! In this post, I would like to share some tips of using the right tools to draw tables,...

   R PROGRAMMING     2020-11-01 23:09:45

  9 useful jQuery code snippets

jQuery is one of the most popular JS library among front end developers because of its functionality and usability. Here we share with you some useful jQuery code snippets which can be used in our daily front end development. 1. Smoothly return to page top $(document).ready(function() { $("a.topLink").click(function() { $("html, body").animate({ scrollTop: $($(this).attr("href")).offset().top + "px" }, { duration: 500, easing: "swing" ...

   jQuery,Code snippet     2013-07-13 00:11:10

  Code Refurbishment

Within our industry we use a huge range of terminology.  Unfortunately we don’t all agree on what individual terms actually mean.  I so often hear people misuse the term “Refactoring” which has come to make the business in many organisations recoil in fear.  The reason for this fear I’ve observed is because of what people often mean when misusing this term.I feel we are holding back our industry by not being disciplined in our use of terminology.  If...

   Code Refurbishment,Code design,terminolo     2011-09-05 08:17:14

  CSS Tools: Reset CSS

The goal of a reset stylesheet is to reduce browser inconsistencies in things like default line heights, margins and font sizes of headings, and so on. The general reasoning behind this was discussed in a May 2007 post, if you're interested. Reset styles quite often appear in CSS frameworks, and the original "meyerweb reset" found its way into Blueprint, among others. The reset styles given here are intentionally very generic. There isn't any default color or background set for the bod...

   CSS,Cross browser compatibility,Reset,Partial reset     2011-12-05 02:44:11

  A simple example of drawing bar chart with label using d3.js

D3.js is a very popular graph library to help developers draw various kind of charts using JavaScript in a webpage. It utilizes the SVG format supported by all major modern browsers and can help developers get rid of the old age of Flash or server side graph drawing libraries. In this post, we will introduce some simple examples of drawing bar chart with labels using D3.js.  First, let's see what will be the final look of the graph drawn. Below is the complete source code for this example....

   JAVASCIPT,D3,BAR CHART,LABEL,TUTORIAL     2020-05-16 23:25:40

  Creating Dynamic PDF files using HTML and PHP

There always arise a need for converting content from one file format to another one. Some may need to convert some text into HTML and some may need to convert some HTML content to an image format. The main reason for the need to convert from one file format to another is because the target file format is best suited for targeted medium where the content need to be displayed. The targeted medium may be an email, a printed hard copy or a web browser. The text format is best suited for sending ema...

   PHP,HTML,PDF,Conversion,Generate,Library     2011-11-18 12:10:53

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