• https://roadmap.sh/roadmaps - road maps
• algoexpert - site with algorithms
• https://visualgo.net/en - algorithms visualize (https://habr.com/ru/company/gnivc/blog/689770/ описание)
• https://codersrank.io/ - popularity instruments
• https://insights.stackoverflow.com/
• web frammework ranks
• colorer site color and format source for copy - http://hilite.me/
• Kubernetes https://m.habr.com/ru/company/mailru/blog/465823/#1
• Angularcomponent https://blog.bitsrc.io/11-angular-component-libraries-you-should-know-in-2018-e9f9c9d544ff
• https://www.codota.com/setup/vscode - codota AI Code Completions
• https://www.tabnine.com/?utm_source=search-web - vscode ai code completion

• search code grep - grep -inIEr -C1 –include=“*.java” “codere*” ./src/

• stack compare and tools choosing

• 100+ Computer Science Concepts Explained

• O notation
  

• https://madnight.github.io/githut/#/pull_requests/2022/1 https://githut.info/
• https://survey.stackoverflow.co/2022/

• can i use
• chrome development extensions
• https://github.com/apollographql
• https://github.com/APIs-guru/graphql-voyager - graphql voyager
• https://api.prisma-cms.com/ api prisma

• https://squoosh.app/editor - picture image optimize smashingmagazine modern image formats 2021

• нагрузочное тестирование
• Web Scrapping web download scrap

  (async function downloadCompleteHTML() {
    // Helper function to fetch content of external files (CSS, JS, images)
    async function fetchResource(url, isBinary = false) {
      try {
        const response = await fetch(url);
        if (isBinary) {
          const blob = await response.blob();
          return new Promise((resolve, reject) => {
            const reader = new FileReader();
            reader.onloadend = () => resolve(reader.result);
            reader.onerror = reject;
            reader.readAsDataURL(blob);
          });
        } else {
          return await response.text();
        }
      } catch (error) {
        console.warn('Failed to fetch resource:', url);
        return '';
      }
    }
   
    // Helper function to inline external CSS and convert relative URLs to absolute
    async function inlineCSS(linkElement) {
      const href = linkElement.href;
      const cssContent = await fetchResource(href);
   
      // Resolve relative URLs within CSS (for images, fonts, etc.)
      const resolvedCSS = cssContent.replace(/url\((?!['"]?(?:data|https?|ftp):)['"]?([^'")]+)['"]?\)/g, function(match, relativeUrl) {
        const absoluteUrl = new URL(relativeUrl, href).href;
        return `url(${absoluteUrl})`;
      });
   
      // Create a <style> tag with the inlined CSS
      const styleElement = document.createElement('style');
      styleElement.textContent = resolvedCSS;
      return styleElement;
    }
   
    // Helper function to convert images to base64-encoded data URIs
    async function inlineImages(element) {
      const images = element.querySelectorAll('img');
      for (let img of images) {
        if (img.src.startsWith('http')) {
          const dataUri = await fetchResource(img.src, true);
          img.src = dataUri; // Replace the src with base64-encoded data URI
        }
      }
    }
   
    // Get the entire DOM HTML structure
    const html = document.documentElement.outerHTML;
   
    // Create a new document to parse and modify the HTML content
    const parser = new DOMParser();
    const doc = parser.parseFromString(html, "text/html");
   
    // Inline all external CSS files
    const linkElements = [...doc.querySelectorAll('link[rel="stylesheet"]')];
    for (let link of linkElements) {
      const inlineStyleElement = await inlineCSS(link);
      link.replaceWith(inlineStyleElement);
    }
   
    // Inline all images as base64 data URIs
    await inlineImages(doc);
   
    // Get the final HTML including the modified DOM
    const finalHTML = doc.documentElement.outerHTML;
   
    // Create a downloadable HTML file
    const downloadHTML = (content, fileName) => {
      const a = document.createElement("a");
      const file = new Blob([content], { type: "text/html" });
      a.href = URL.createObjectURL(file);
      a.download = fileName;
      document.body.appendChild(a);
      a.click();
      document.body.removeChild(a);
    };
   
    // Download the final HTML file
    downloadHTML(finalHTML, "index.html");
   
    // Hide loading overlay
    loadingOverlay.style.display = 'none';
  })();

• https://www.leafgon.com/nav/breezyforest/demo - great indicator

• Svg editor https://boxy-svg.com/app

• https://medium.com/@eokinch/unicode-characters-in-html-css-a55c77fd3570

• Flexbox https://css-tricks.com/snippets/css/a-guide-to-flexbox/
• Flexbox https://mastery.games/flexboxzombies/
• Flexbox Вёрстка на Flexbox в CSS

• TailWind Components https://tailwindcomponents.com/components/Forms

• Learn - курскурс2
• Bootstrap theme example
• Bootswatch Free themes

• for reading good site - https://stitcher.io/blog/constructor-promotion-in-php-8

• PHP-FPM configure https://thisinterestsme.com/php-fpm-settings/
• Производительность PHP: планируем, профилируем, оптимизируем https://habr.com/ru/company/badoo/blog/430722/

#memory use of PHP https://serverfault.com/questions/1055507/php-fpm-using-100-cpu-on-a-server-that-has-16-threads
ps --no-headers -o "rss,cmd" -C php-fpm | awk '{ sum+=$1 } END { printf ("%d%s\n", sum/NR/1024,"M") }'
echo "
pm = static
pm.max_children = 25
pm.start_servers = 5
pm.min_spare_servers = 5
pm.max_spare_servers = 10
pm.max_requests = 1000
" >> to_php_ini

php.laravel laravel

• PHP modx docs
• debugging habr_debug tracy php debug
• https://webdesign-master.ru/blog/modx/ - site for learn
• :!:5 modx methods nned to know
• Запуск modx в контейнере
• DOCX Русская документация
• Пример задачи
• Modx <-> git
• https://www.markhamstra.com/modx/2018/deprecated-notices-in-modx-2.7/ - deprecated and examples
• https://modx.pro/development/19365 - new version of modx on php
• https://ilyaut.ru/extjs/how-modx-extras-work-6/ - utkin how extension work
• https://modzone.ru/blog/2020/07/25/queues-in-modx-out-of-the-box/ - очереди modx queu из коробки
• https://docs.modx.pro/komponentyi/pdotools/fajlovyie-elementyi - компоненты в файлех

• ESIA есиа https://github.com/fr05t1k/esia
• https://vc.ru/services/209962-kak-rabotaet-identifikaciya-polzovateley-cherez-gosuslugi

35 Website Cheat Sheets For Developers https://dev.to/haycuoilennao19/35-website-cheat-sheet-for-developer-22hk

• good book https://python-scripts.com/sleep
• install pip from wheels python3 ./pip-19.2.2-py2.py3-none-any.whl/pip install ./pip-19.2.2-py2.py3-none-any.whl

• f strings doc http://cissandbox.bentley.edu/sandbox/wp-content/uploads/2022-02-10-Documentation-on-f-strings-Updated.pdf
• psycopg3 - postgres driver https://www.psycopg.org/psycopg3/ https://www.psycopg.org/psycopg3/docs/advanced/typing.html
• pydantic - https://pydantic-docs.helpmanual.io/usage/validators/ - Data validation and settings management using python type annotations.
• pudb - debugger на стероидах
• ptpython - repl advanced
• pandas https://www.kaggle.com/learn/pandas https://tproger.ru/translations/rewrite-sql-queries-in-pandas/

Python psycopg3

import psycopg
import pandas as pd
conn = psycopg.connect("postgresql://eam:PASSWORD@Db:5432/UIS_MV")
with conn.cursor() as cur:
      for record in cur.execute("""
                  SELECT oid,table_schema,table_name, row_estimate::int, pg_size_pretty(total_bytes) AS total
                     , pg_size_pretty(index_bytes) AS index
                     , pg_size_pretty(toast_bytes) AS toast
                     , pg_size_pretty(table_bytes) AS table
                         FROM (
                         SELECT *, total_bytes-index_bytes-coalesce(toast_bytes,0) AS table_bytes FROM (
                             SELECT c.oid,nspname AS table_schema, relname AS table_name
                                     , c.reltuples AS row_estimate
                                     , pg_total_relation_size(c.oid) AS total_bytes
                                     , pg_indexes_size(c.oid) AS index_bytes
                                     , pg_total_relation_size(reltoastrelid) AS toast_bytes
                                 FROM pg_class c
                                 LEFT JOIN pg_namespace n ON n.oid = c.relnamespace
                                 WHERE relkind = 'r'
                             ) a
                         ) a order by  total_bytes desc
                         limit 10
                      """):
          print(record)
print(sql)
dat = pd.read_sql_query(sql, conn)

Python.date_time_tuple

import email.utils
import datetime
 
date_tuple=email.utils.parsedate_tz('Fri, 20 Jul 2007 15:31:21 +0400')
date=datetime.datetime.fromtimestamp(email.utils.mktime_tz(date_tuple))
 
 
import email.utils
import datetime
 
try:
    date_tuple=email.utils.parsedate_tz('Fri, 20 Jul 2007 15:31:21 +0400')
    date_v=datetime.datetime.fromtimestamp(email.utils.mktime_tz(date_tuple)
    date_str=date_v.strftime('%Y-%m-%d %H:%M')
except:
    date_str="1900-01-01 00:00"
 
from_str=email.utils.parseaddr(getHeader(headers,u'From'))[1]

#https://stackoverflow.com/questions/13030095/how-to-save-requests-python-cookies-to-a-file
from http.cookiejar import MozillaCookieJar
import requests
 
s = requests.Session()
s.cookies = MozillaCookieJar('cookies.txt')
# or s.cookies = MozillaCookieJar() and later use s.cookies.filename = 'cookies.txt' or pass the file name to save method.
 
response = s.get('https://www.msn.com')
 
s.cookies.save()

• https://habr.com/ru/company/cloud4y/blog/650357/ - 30 лучших проектов python

• самые распространенные ошибки https://habr.com/ru/company/breakpoint/blog/686104/
• правила написания кода https://github.com/best-doctor/guides/blob/master/guides/python_styleguide.md

https://realpython.com/intro-to-pyenv/

Python.pyenv virtualenv

# .bashrc
export PYENV_ROOT="/home/melnikov_ea/.pyenv"
export PATH="$PYENV_ROOT/bin:$PATH"
export PIPENV_PYTHON="$PYENV_ROOT/shims/python"
 
eval "$(pyenv init -)"
eval "$(pyenv virtualenv-init -)"
export PYENV_LOCAL_SHIM=/home/melnikov_ea/.pyenv_local_shim
 
export PYENV_LOCAL_SHIM="$HOME/.pyenv_local_shim"
export PATH="$PYENV_LOCAL_SHIM:$HOME/.pyenv/bin:$PATH"
eval "$(pyenv virtualenv-init -)"

• multistage and health https://gabnotes.org/lighten-your-python-image-docker-multi-stage-builds/
• wheels in python multistage https://morioh.com/p/d777482dea93

• flask to start https://www.codementor.io/@chirilovadrian360/flask-tutorial-the-interactive-way-ask-me-anything-1evuou00by
• flask in docker https://testdriven.io/blog/dockerizing-flask-with-postgres-gunicorn-and-nginx/

• визуализация данных в вебе с помощью Python и Dash
• https://jupyter.brynmawr.edu/services/public/dblank/jupyter.cs/Jupyter%20Visualizations.ipynb#6.1-Google-Spreadsheets
• plotly great example - analyze data - https://medium.com/plotly/introducing-dash-5ecf7191b503
• python dash https://medium.com/plotly/introducing-dash-5ecf7191b503
• https://towardsdatascience.com/a-simple-guide-to-beautiful-visualizations-in-python-f564e6b9d392 https://towardsdatascience.com/making-matplotlib-beautiful-by-default-d0d41e3534fd
• https://towardsdatascience.com/avatar-meets-data-visualization-60631f86ba7d https://medium.com/trymito/use-plotly-for-smarter-python-d449476b3fad
• dash filter example https://gist.github.com/chriddyp/9b2b3e8a6c67697279d3724dce5dab3c
• dash in 20 minutes https://dash.plotly.com/tutorial

• Diagram as a code - https://blog.bytebytego.com/p/diagram-as-code

• export image on curl https://lovethepenguin.com/grafana-how-to-export-graphs-as-images-and-email-them-4ef90689a5fa
• grafana export graph to png with curl https://community.grafana.com/t/programatically-export-images-png-jpg-of-grafana-dashboard/15780

• Коммиты — это снимки, а не различия / Блог … - Habr - https://habr.com/ru/company/skillfactory/blog/551848/
• Git tree

   git log --graph --pretty=format:'%C(yellow)%h%C(cyan)%d%Creset %s %C(white)- %an, %ar%Creset' 

• Osdev https://wiki.osdev.org/Main_Page

https://github.com/ayende/libgavran/blob/master/intro/intro.adoc
https://ravendb.net/articles/re-are-you-sure-you-want-to-use-mmap-in-your-database-management-system