tutorialsTag Archive

Today I start learning UWP named Universal Windows Platform and this is the subject of this short intro tutorial. In the past, I used the old Windows Forms and the new Universal Windows Platform (UWP) has a very similar operation to build the forms. About the Windows Presentation Foundation (WPF)… Continue Reading Windows – Intro into windows platform and Universal Windows Platform (UWP).

This is an embeddable code editor written in JavaScript with many features: Syntax highlighting for over 110 languages (TextMate/Sublime Text.tmlanguage files can be imported) Over 20 themes (TextMate/Sublime Text .tmtheme files can be imported) Automatic indent and outdent An optional command line Handles huge documents (four million lines seems to… Continue Reading Web – ACE online editor.

The Animated Portable Network Graphics (APNG) file format is an extension to the Portable Network Graphics (PNG) specification. It allows for animated PNG files that work similarly to animated GIF files while supporting 24-bit images and 8-bit transparency not available for GIFs. It also retains backward compatibility with non-animated PNG… Continue Reading JavaScript – Detect APNG browser capabilities.

This is a simple scrip used by me to use a hat object for my Roblox player. The script needs to be put on the root of the hat object. If the hat has a bad orientation, then change the script variable AttachmentRight with a good vector. Let’s see the… Continue Reading Lua – Script for Roblox to use a hat.

This tool for development issues can be used with all versions of Visual Studio 2012-2017 and 2019 and is created by Yiubun Auyeung. The base of this tool is an atlas graph with all your source code. After download and install from the official webpage, use the main menu, and… Continue Reading Code Graph development tool for Visual Studio.

This web tool helps you with the request for a development URL. The raw.githack.com serves raw files directly from GitHub, Bitbucket or GitLab with proper Content-Type headers. You can see an example created by strangerintheq: https://codepen.io/strangerintheq/details/oNNNYNm.

This error I got from GitHub when I try to push my source code:

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[mythcat@desk django]$ git push -u origin master
Username for 'https://github.com': catafest
Password for 'https://catafest@github.com':
To https://github.com/catafest/django_chart.git
! [rejected]          master -> master (non-fast-forward)
error: failed to push some refs to 'https://github.com/catafest/django_chart.git'
hint: Updates were rejected because the tip of your current branch is behind
hint: its remote counterpart. Integrate the remote changes (e.g.
hint: 'git pull ...') before pushing again.
hint: See the 'Note about fast-forwards' in 'git push --help' for details.

You need to use the argument –force:

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[mythcat@desk django]$ git push --force origin master
Username for 'https://github.com': catafest
Password for 'https://catafest@github.com':
Enumerating objects: 8690, done.
Counting objects: 100% (8690/8690), done.
Delta compression using up to 2 threads
Compressing objects: 100% (5020/5020), done.
Writing objects: 100% (8690/8690), 14.10 MiB | 744.00 KiB/s, done.
Total 8690 (delta 2593), reused 8690 (delta 2593)
remote: Resolving deltas: 100% (2593/2593), done.
To https://github.com/catafest/django_chart.git
+ 998aaa4e...8c36d1f7 master -> master (forced update)

This is a common report error and this doesn’t actually refer to the amount of storage space, but to the amount of inotify watches that are available for a given file system Linux show me this:

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(0x7ffedb2c1390) Critical: inotify_add_watch(/home/mythcat/.config/lxqt/lxqt.conf) failed: (No space left on device)
(0x7ffedb2c1390) Critical: inotify_add_watch(/usr/share/icons/breeze/icon-theme.cache) failed: (No space left on device)
(0x7ffedb2c1390) Critical: inotify_add_watch(/home/mythcat/.config/lxqt/lxqt.conf) failed: (No space left on device)
(0x7fffe9047930) Critical: inotify_add_watch(/home/mythcat/.config/lxqt/lxqt.conf) failed: (No space left on device)
(0x7fffe9047930) Critical: inotify_add_watch(/usr/share/icons/breeze/icon-theme.cache) failed: (No space left on device)
(0x7fffe9047930) Critical: inotify_add_watch(/home/mythcat/.config/lxqt/lxqt.conf) failed: (No space left on device)

You can fix with this command:

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echo fs.inotify.max_user_watches=65536 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p