Oleksandr Burlachenko buralex
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| https://reactjs.org/docs/refs-and-the-dom.html | |
| https://reactjs.org/docs/lifting-state-up.html | |
| https://reactjs.org/docs/forms.html | |
| https://www.andrewhfarmer.com/use-refs-not-ids/ |
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| https://www.divii.org/ |
buralex
/ uniq.js
Created
October 22, 2017 16:24
— forked from telekosmos/uniq.js
Remove duplicates from js array (ES5/ES6)
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| var uniqueArray = function(arrArg) { | |
| return arrArg.filter(function(elem, pos,arr) { | |
| return arr.indexOf(elem) == pos; | |
| }); | |
| }; | |
| var uniqEs6 = (arrArg) => { | |
| return arrArg.filter((elem, pos, arr) => { | |
| return arr.indexOf(elem) == pos; | |
| }); |
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| str.match(/\[(.*?)\]/)[1] // extracts attribute name from fsdfsda[name]fdsf |
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| /*------------------------------------------------------------------------------------ | |
| articles | |
| -------------------------------------------------------------------------------------*/ | |
| https://tutorialzine.com/2017/04/10-machine-learning-examples-in-javascript | |
| https://medium.freecodecamp.org/how-to-create-a-neural-network-in-javascript-in-only-30-lines-of-code-343dafc50d49 | |
| /*----------------------------------------------------------------------------------- | |
| other |
buralex
/ yii2 useful
Last active
October 1, 2017 14:13
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| /*------------------------------------------------------------------------------------ | |
| activeForm listeners | |
| --------------------------------------------------------------------------------------*/ | |
| https://yii2-cookbook.readthedocs.io/forms-activeform-js/ | |
| ->createCommand()->rawSql |
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| https://www.digitalocean.com/community/tutorials/how-to-install-linux-apache-mysql-php-lamp-stack-on-ubuntu-16-04 | |
| /* when this trouble-> /etc/sudoers is owned by uid 1000, should be 0 | |
| */ | |
| pkexec chown root:root /etc/sudoers /etc/sudoers.d -R | |
| PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games chmod a+x filename | |
| https://www.howtogeek.com/114884/how-to-repair-grub2-when-ubuntu-wont-boot/ | |
| https://www.youtube.com/watch?v=OmMkAGuZxCE |
buralex
/ geo.js
Created
August 24, 2017 20:57
— forked from mkhatib/geo.js
A Javascript utility function to generate number of random Geolocations around a center location and in a defined radius.
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| /** | |
| * Generates number of random geolocation points given a center and a radius. | |
| * @param {Object} center A JS object with lat and lng attributes. | |
| * @param {number} radius Radius in meters. | |
| * @param {number} count Number of points to generate. | |
| * @return {array} Array of Objects with lat and lng attributes. | |
| */ | |
| function generateRandomPoints(center, radius, count) { | |
| var points = []; | |
| for (var i=0; i<count; i++) { |
buralex
/ messangers
Created
August 19, 2017 21:21
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| https://habrahabr.ru/post/269135/ | |
| http://www.vr-online.ru/forum/kak-ustroen-messendzher-tipa-skype-ili-ee-tipovaja-arhitektura-9577 | |
| https://github.com/arhangeldim/messenger/wiki/%D0%97%D0%B0%D0%B4%D0%B0%D0%BD%D0%B8%D0%B5-2---Messenger | |
| http://hostciti.net/faq/mysql/arhitektura-db-dlya-messendgera.html |
buralex
/ sql commands
Last active
April 5, 2018 08:37
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| UPDATE drivers | |
| SET latitude = CASE id | |
| WHEN 1133 THEN 38.2546174 | |
| WHEN 1134 THEN 37.63950904 | |
| END, | |
| longitude = CASE id | |
| WHEN 1133 THEN -84.1931136 | |
| WHEN 1134 THEN -85.25878743 | |
| END | |
| WHERE id IN (1133,1134) |