A step by step tutorial to develop your first Ethereum Smart contract and interact with it through a simple web DApp + Vue.js bonus

Deploying an Airnode to get off-chain data in your smart contract

“Clean code” is so over: all the cool kids are switching to CRISP code. I’ll show you how to achieve it in five catchy, T-shirt-friendly slogans.

There are many ways to solve coding problems, and PEDAC is but one. The purpose of this article isn’t to proclaim PEDAC as the best or only approach but provide it as one of the tools you can turn to when you begin working on a ⋯

Abstractions offer a variety of benefits. However, it creates challenges in debugging code. Source maps provide a method for translating from generated source back to the original code.

Be it for your custom theme or new NPM plugin for your HEXO project, how do you debug your Hexo blog code in VScode editor?

Useful software architecture metamodel for agile digital transformation of complex enterprises.

Ever wondered how large enterprise-scale systems are designed? Before major software development starts, we have to choose a suitable architecture.

The report's findings are based on 209,249 coding tests sent through the DevSkiller platform to candidates from 54 countries.

5 shortcomings you should know about NFT design

Intro tutorial on how to convert ETH to USD.

Contribute to the world of objective technical analysis by promoting more transparent techniques and strategies that need to be back-tested prior to implementation.

Short course on how to build Flutter applications for any smart-device.

Erik shares experience of building & running his Crossfit training app.

While infrastructure development was slow to start, the bull run of 2017 brought a new wave of products onto the crypto scene. Today, development in crypto is at an all-time high, with new developers flocking from other ⋯

The terms SSR, SSG and SPA usually emerge in the vast majority of content out there. When I first heard about these names, I sure was confused. What are those? Which one to use?

In most Javascript projects, whether frontend React project, or backend node.js project, you have the ability to group all your imports to a single index.js. This can “conveniently” expose all the relevant exports in one file. ⋯

A good developer is always ready to go back to the whiteboard. They are ready to explore their own thought process. They never run away from giving an explanation on a subject.

I’ve been an enthusiast of blockchain technology since I originally discovered it in 2013. Sadly, I didn’t start investing in cryptocurrencies until 2017. Nevertheless, I’ve been curious about how one could build a blockchain ⋯

A successful Git branching model 🔗 This model was conceived in 2010, now more than 10 years ago, and not very long after Git itself came into being. In those 10 years, git-flow (the branching model laid out in this article) ⋯

Building a Continuous Delivery Pipeline with Git & Jenkins 🔗 Jenkins is an automation server which can be used to build, test and deploy your code in a controlled and predictable way. It is arguably the most popular ⋯

3D features on a website can be amazing when well executed.

Minor pain of keeping up with holidays

Richie BartlettInteresting read. (Supporting reason not to use Doctrine in ZF…) I’ve come to the conclusion that, for me, ORMs are more detriment than benefit. In short, they can be used to nicely augment working with SQL in a ⋯

==Phrack Inc.== Volume One, Issue 7, Phile 3 of 10 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= The following was written shortly after my ⋯

Richie BartlettJust as valid today as it was 20+ years ago. This is Part One of Code As Design: Three Essays by Jack W. Reeves. Click here for the introduction. This essay first appeared in the Fall, 1992 issue of C++ ⋯

Richie BartlettSeriously?? A web browser written in JS!!! Why!? Breach Browser for the HTML5 Era | Video (2:27 minutes) 🔗 Breach Browser running on Ubuntu 14.10 Utopic Unicorn linux Installing modules for Breach Browser here ⋯

Best Practices for Sencha Javascript Applications video/79436259

Richie Bartlett Jr.Nice… Please don’t infect me with your HTML!!! ;) If you’re talking tech with Americans, you may want to avoid using any jargon. A recent study found that many Americans are lost when it comes to ⋯

LOL Web design seminar…

In response to: https://lightyears.blogs.cnn.com/2013/02/06/largest-prime-number-yet-discovered/ Hmm… write a program to find a prime number that is a billion digits long… Earn $250,000! Simple program to write… But very time ⋯

A software engineer’s take on the new education call to arms. Antoine Hage explains the JavaScript code to employees of software company FreeCause at a JavaScript training boot camp on June 6, 2012. In the past few years, ⋯

Dependency Injection: An analogy 🔗 I’ve been working on a proposal for including service locators and dependency injection containers in Zend Framework 2.0, and one issue I’ve had is trying to explain the basic concept to ⋯

Writing code is, effectively, a love letter between the coder and the computer – full of inside jokes and pet phrases that are meaningless to those not part of the relationship.

Killer Javascript-based mini-Linux!!! http://bellard.org/jslinux/index.html Run Linux or other Operating Systems in your browser! The following emulated systems are available: ⋯

Reference: http://blog.prof.so/2013/04/badadvice.html 10 Pieces of Really Bad Advice (for Computer Scientists) “Don’t worry about the complexity of the algorithm we will never have enough data for it to make too much ⋯

In response to: http://jacquesmattheij.com/domain-knowledge-or-a-lack-thereof Well said. Well written. Educate yourself before your apply that knowledge!

If Carpenters Were Hired Like Programmers Nicely written joke using the metaphor of hiring a capenter to how IT companies look for talent… The absurdity of it goes a long way to explain how programmers feel when the interviewer ⋯

http://drupal.technicat.com/writing/programming.html As a software engineer, you might want any number of things out of your job - a steady paycheck, the opportunity to work on interesting projects, a springboard to the next ⋯

http://me.veekun.com/blog/2012/04/09/php-a-fractal-of-bad-design/ PHP: a fractal of bad design Apr 9th, 2012 Preface I’m cranky. I complain about a lot of things. There’s a lot in the world of technology I don’t like, and ⋯

http://www.namb.la/popular/tech.html Technical explanation of The MySpace Worm 🔗 Also called the “Samy worm” or “JS.Spacehero worm” Click here to read the entertaining story of the development, release, and ensued hilarity of ⋯

​http://www.codeproject.com/Articles/363897/PHP-Security Go to http://pixel-apes.com/safehtml/?page=safehtml and download the latest version of SafeHTML.

http://alexgorbatchev.com/SyntaxHighlighter/ http://alexgorbatchev.com/SyntaxHighlighter/download/

DROP PROCEDURE IF EXISTS `cSpatials_Country`; ## Written by Richie Bartlett (LoreZyra) ## Stored Procedure for MySQL 5.0 ## Purpose: to process imported csv data in GeoIPCountryWhois from MaxMind.com - CountryBlocks; ## ⋯

http://ext.ensible.com/ http://ext-scheduler.com/scheduler/

Reading a Text File from the Bottom Up 🔗 Demonstration script that uses the FileSystemObject to read a text file, and then to echo the text file in inverse order (that is, beginning with the last line in the text file and ⋯

'// TextSplit.vbs '// http://neilkilbride.blogspot.com/2008/02/split-text-file-with-vbscript.html '// Inspired by script Written by: Neil kilbride '// '// Completely reWritten by Richie Bartlett '// 2011 June 23 '// '// cmd: e: ⋯

Sub CopyAModule(wkbFrom As String, wkbTo As String, strFromMod As String) Dim wkb As Workbook Dim strFile As String Set wkb = Workbooks(wkbFrom) strFile = wkb.Path & "\\vbCode.bas" ⋯

http://www.planet-source-code.com/vb/scripts/ShowCode.asp?txtCodeId=7219&lngWId=4 '************************************** ' Name: CRC Checksum ' Description:Calculates the CRC for a given string. ' By: Leigh Bowers ' ' ⋯

http://visualbasic.about.com/od/usingvbnet/a/chksum.htm Understand and Program Checksums with Visual Basic Checksum is widely misunderstood 🔗 By Dan Mabbutt, About.com Guide Filed In: Using VB.NET Nov 29 2008 Checksum is a ⋯

http://www.robvanderwoude.com/vbstech_files_md5.php crccheck.vbs 🔗 WScript.Echo "Comparing 2 strings:" strString = "Meet John Doe" WScript.Echo "MD5 Checksum for "\"" & strString & "\"": " & GetStringCheckSum( ⋯

http://www.html5rocks.com/tutorials/appcache/beginner/ This can point to a dynamic, server-side script (PHP) that modifies the comments section with current TimeStamp. In the PHP script, we can manually define the required ⋯

http://www.phpclasses.org/package/1863-PHP-Obfuscate-a-Javascript-source-code.html

28. SenchaCon 2010: Introduction to Raphaëlby Sencha http://peepcode.com/products/raphaeljs http://www.assembla.com/code/qtgames/subversion/nodes/SpaceInvaders?rev=77 video/17834923

Illumination for ⋯

http://www.workbooks.com/ https://secure.workbooks.com/login?demo=1 http://www.sencha.com/forum/showthread.php?114427-Workbooks-Online-Desktop&highlight=raphael​ Checkout the “Activities” window! They have exactly what I ⋯

http://www.ajax-image-editor.com/​ http://sourceforge.net/projects/akoie/files/aie/

http://tinymce.moxiecode.com/tryit/full.php

http://www.vinylfox.com/category/php/

Essential PHP Security http://oreilly.com/catalog/9780596006563/ http://my.safaribooksonline.com/059600656X?portal=oreilly&cid=orm-cat-readnow-059600656X http://phpsecurity.org/code PHP Security ⋯

http://us3.php.net/manual/en/function.ob-start.php sonicx 21-Nov-2009 07:58 Hey folks, as dan already noted, using the ob_gzhandler will make it impossible to get the content-length, and thusly will make the download of files a ⋯

Jeremy Saintot 14-Jan-2011 05:24 Here is my fsockopen - based HTTP request function (GET and POST) : :: Could use this as a “proxy” method to check hotmail from webserver! :: function http_request( $verb = 'GET', ⋯

http://www.hotscripts.com/category/php/scripts-programs/networking-tools/traceroute/ http://www.daniweb.com/code/snippet216505.html http://www.all-nettools.com/toolbox/traceroute.php http://www.theworldsend.net/ ⋯

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http://php.net/manual/en/function.gethostbyaddr.php –Note drawbacks of this function… Avoid using system/shell/exec calls. http://www.php.net/manual/en/function.dns-get-record.php <? function gethostbyaddr_timeout($ip, ⋯

http://www.php.net/manual/en/function.fsockopen.php http://www.geckotribe.com/php-telnet/ http://www.dali.net.nz/Telnet.class.php.txt /* Telnet class * Used to execute remote commands via telnet connection * Usess ⋯

For doing basic RBL (Real Time Blacklist) lookups with this function do: <? $host = '64.53.200.156'; $rbl = 'sbl-xbl.spamhaus.org'; // valid query format is: ⋯

http://snipplr.com/view/1606/php--finger-php-simple-client/ http://www.phpro.org/examples/PHP-Finger-Client-Linux-Kernel.html <? /*** connect to port 79 ***/ //created a <UL>; list... $fp = ⋯

http://www.phpclasses.org/package/1519-PHP-Check-the-existence-of-an-email-address-via-SMTP.html Detailed description This class is meant check the existence of an email address in three levels: Via regular expression ⋯

Spam Blacklist Check: http://network-tools.com/default.asp?prog=sbl&host= http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xml http://www.theworldsend.net/ PHP & SOURCES & DOWNLOADs ⋯

https://bespin.mozillalabs.com/ --> http://ace.ajax.org/https://mozillalabs.com/bespin/ --> ⋯

garydavis at gmail dot com 14-Jan-2010 03:38 If you are planning on using this function to serve a json file, it's important to note that the json generated by this function is not ready to be consumed by javascript until ⋯

http://www.phpclasses.org/browse/file/23893.html http://www.phpclasses.org/browse/download/1/file/23893/name/example.php http://www.phpclasses.org/package/4727-PHP-Format-PHP-code-as-colored-HTML.html

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