Publishing an ASP.NET Core website to a cheap Linux VM host
A little Linux VM on Azure is like $13 a month. You can get little Linux machines all over for between $10-15 a month. On Linode they are about $10 a month so I figured it would be interesting to setup an ASP.NET Core website running on .NET Core. As you may know, ....
AnimatedContainer – Flutter Widget of the Week
You can code up animated changes yourself with explicit animations, or you can let Flutter animate them for you! With the AnimatedContainer widget, you just build it once with a particular attribute (like color), and then rebuild it with a different value. Flutter...
Implementing adaptive master-detail layouts in Flutter
Usually, when developing apps for mobile phones, having too much screen real estate is not the problem. In fact, quite the contrary. Much thought has to be put into how to structure the app so that it does not feel cluttered. On tablets, it is a whole different story....
Isolates: how to work with multithreading in Dart
Here we are again with another topic about Dart language, first of all I’d like to start this article with an off-topic. View original...
Why Flutter Uses Dart
Wm Leler explains why Flutter uses Dart: Here is a quick list of the Dart features that together make it indispensable for Flutter: Dart is AOT (Ahead Of Time) compiled to fast, predictable, native code, which allows almost all of Flutter to be written in Dart. This...
Putting build methods on a diet – tips and tricks for cleaner Flutter UI code
Flutter is great - it rocks. We have modern, fresh APIs for building complex UIs in a quite small amount of code. View original...
Airbnb, Udacity Abandon React Native
Within the space of two weeks, two major enterprise dev teams have announced they have abandoned React Native, the Facebook-originated technology unveiled five years ago as a new way to code native mobile apps using JavaScript. View original...
Announcing Flutter Release Preview 1
Today, we’re delighted to announce Flutter Release Preview 1, signaling a new phase of development for Flutter as we move into the final stages of stabilization for 1.0. View original...
What It Was Like to Write a Full Blown Flutter App
This morning I ate TWO breakfasts. I needed all “blog-writing brainpower” I could muster. There’s a lot to cover since my last post so here we go. View original...
Building Forms with Flutter
Over the years many of the apps I have built dealt with data – searching for data, listing data, submitting new data, etc. In all of those apps there was one thing they all shared – a requirement to allow a user to submit data to a back-end via some sort of form....
25 Best Free Animation Libraries for Web Developers
Upgrade your CSS animations with some Javascript! These free animation libraries will help web developers save time, create more with less code and design amazing animated projects! These free JS animation libraries in this list are very well-coded and can be used for...
Flutter How-To: Using BottomAppBar widget
Google has just announced Flutter beta 3 which includes a new Material Design component called ‘BottomAppBar widget’. As soon as I read the blog post, I thought of trying this new widget out. This new Material component can be seen in action in the recently launched...
Google launches Flutter Beta 3, its Android and iOS mobile app SDK
Ahead of its I/O 2018 developers conference, Google has launched the third beta release of Flutter, its open-source mobile UI framework that helps developers build native interfaces for Android and iOS. The Flutter SDK has also gained official support from the...
Implementing adaptive master-detail layouts in Flutter
Usually, when developing apps for mobile phones, having too much screen real estate is not the problem. In fact, quite the contrary. Much thought has to be put into how to structure the app so that it does not feel cluttered. On tablets, it is a whole different story....
SVG Resizing Problems in IE9 and Other Browsers
Today we are performing SVG tests on the various major browsers to see why typical images don’t always get transformed or rendered properly. SVG, or Scalable Vector Graphics, have been around since 1999, but are only recently becoming more widely supported in web...
Forms in Flutter beta 2 – important limitations
After trying to get Flutter forms to work, mixed with learning Dart and all the Flutter's intricacies, i came to the conclusion that Form support in Flutter is, at best, sub-par. Namely, there seems to be no support to sequence the inputs (e.g. when you insert text in...
Installing .net core runtime 2.0 on CentOS (or RHEL) + Apache reverse proxy for Kestrel asp.net systemd quick start
CentOS 7.x is required, this won't work older versions. First, enable the dotnet repository for yum: yum install centos-release-dotnet Next, install the runtime package: yum info rh-dontnet20 rh-dotnet20-runtime The following packages will be installed:...
Display all glyphs in a WOFF, TTF or OpenType font
Very useful online tool i've found: http://torinak.com/font/lsfont.html - it displays all the font glyphs in a nice, convenient, table.
Meltdown and Spectre in 15 minutes (or less)
Explained by the folks at Computherphile, in some detail in less than 15 minutes. https://www.youtube.com/watch?v=I5mRwzVvFGE&t=297s
ISO 8601 Week number in PHP, MySQL and MSSQL
The following methods calculate the ISO 8601 Week number in PHP, MySQL and Microsoft SQL Server, with the same exact results. All the examples below are using the same week criteria: week stars on Monday. MySQL is easy, as it supports this directly: SELECT...
Centos 6, running PHP7 alongside stock PHP5
I have a couple of servers running PHP 5.x.x on CentOS 6 and i want to migrate some to PHP7, without worrying about the older stuff. So, i could compile PHP7 from source, setup FPM and Opcache for it, etc, etc, but i found out that REMI as a solution for this...
One Keyboard+Mouse, multiple computers, the Microsoft way
From Microsoft Garage, the new "Mouse without Borders" - it supports also keyboard, clipboard and file drag and drop. Its an alternative to Synergy, Input Director and similar solutions. I'll give it a try later. Download it...
Setup Lighthouse, CentOS, 3 simple steps
Lighthouse analyzes web apps and web pages, collecting modern performance metrics and insights on developer best practices. Here is a simple 3 step setup guide for CentOS: Setup the EPEL yum repository install nodejs and npm using YUM Run npm install -g lighthouse And...
MySQL replication: How to recover from “Event too small corruption” or “Slave SQL: Relay log read failure”
The basic principle is, just restart where the slave left off. The problem arises if a binary log, on the slave side, remains corrupt. The recovery is relatively simple, just follow the recipe: STOP SLAVE SHOW SLAVE STATUS Note down 'Relay_Master_Log_File' and...
SystemD quick cheat sheet
A small collection of Systemd commands, along with the Sysvinit counterparts. Sysvinit Command Systemd Command Notes service frobozz start systemctl start frobozz Used to start a service (not reboot persistent) service frobozz stop systemctl stop frobozz Used to stop...
NativeScript example, step by step, Windows 10
A tiny, 5 minute, tutorial on creating a new empty project using NativeScript + TypeScript, compiling it and running in Android. First of all, install NativeScript (NodeJS v4.6.0 x64)plus the latest NativeScript. Check if the installation is OK: tns...
tip: Volley comm library for android, available via Gradle
Previously, in order to use Volley, the only way was to add the "jar" file to the project - not anymore - official volley is now available, just change the app.gradle file: [mgamazon...
Converting multi-page PDF to PNG using ImageMagick
Quick tutorial on converting PDF files to PNG using ImageMagick in CentOS. Foreplay: install ImageMagick First, install ImageMagick using yum. As ImageMagick is not available, you need to activate the EPEL repository in your CentOS installation. wget...
Download Android Apps with Source Code
Available at f-droid is a directory of open source android apps (full with source code). A great learning resource for beginners.
Web font generator
At fontSquirrel. You upload your font and it generates every known format, CSS code and even embeds fonts inside CSS using base64 data.