Maxim Penzin maxp

Professional Software Developer

maxp / mongo-dba.txt

Created August 3, 2017 02:21

MongoDB create admin and dbuser


	use admin
	db.createUser({user:'root',pwd:'ADMPASS',roles:['root']})

	mongo -u root -p ADMPASS localhost/admin

	use MYDB
	db.createUser({user:'MYUSER',pwd:'MYPASS',roles:['readWrite']})

	mongo -u MYUSER -p MYPASS localhost/MYDB

maxp / parse_qs.js

Created August 1, 2017 05:34

parse query string parameters

	function parse_qs()
	{
	var parsedParameters = {};
	var qs = location.search.substr(1);
	var uriParameters = qs.split('&');

	for (var i = 0; i < uriParameters.length; i++)
	{
	var p = uriParameters[i].split('=');
	parsedParameters[p[0]] = decodeURIComponent(p[1]);

maxp / params-validation.clj

Created March 27, 2017 02:51

Input form parameters validation example

	(defn validate-first_name [params]
	(if-let [nm (-> params :first_name str s/trim norm-first_name)]
	{:first_name nm}
	{::err "wrong first_name" :fld :first_name}))
	;

	(defn validate-last_name [params]
	(if-let [nm (-> params :last_name str s/trim norm-last_name)]
	{:last_name nm}
	{::err "wrong last_name" :fld :last_name}))

maxp / textarea-auto-height.js

Created December 1, 2016 03:48

	commentArea.addEventListener('keydown', autosize);

	function autosize () {
	var el = this;
	setTimeout(function () {
	el.style.cssText = 'height:auto;';
	el.style.cssText = 'height:' + el.scrollHeight + 'px';
	}, 0);
	}

maxp / autourl-transformer.clj

Created September 12, 2015 08:33

	(defn autourl-transformer [text state]
	[(if (:code state)
	text
	(string/replace
	text
	#"<https?://[-A-Za-z0-9+&@#/%?=~_()\|!:,.;]*[-A-Za-z0-9+&@#/%=~_()\|]>"
	#(let [url (subs % 1 (dec (count %)))]
	(str "<a href=\"" url "\">" url "</a>"))))
	state])

maxp / kipimi0-100-cpu

Created March 30, 2015 08:47

kipmi0 100% CPU workaround

echo 100 > "/sys/module/ipmi_si/parameters/kipmid_max_busy_us"

maxp / luma-value

Created December 20, 2014 10:16


	Y = 0.21R + 0.72G + 0.07*B > 80% for light background


	https://events.yandex.ru/lib/talks/2491/
	(7:38)

maxp / ESP8266-smtp.ino

Created December 15, 2014 02:04

	#define SSID "wi-fi_login" // ваш SSID
	#define PASS "wi-fi_password" // ваш пароль Wi-Fi

	#define SMTPServer "s02.atomsmtp.com" //smtp сервер
	#define SMTPPort "2525" // smtp порт
	#define MailLogin "[email protected]" // логин для smtp
	#define MailLoginBase64 "dWd1LCBrb25lNG5vCg==" //логин для smtp в Base64
	#define MailPasswordBase64 "aHJlbiB0YW0K" // пароль для smtp в Base64
	#define MailRelay "[email protected]" // промежуточная почта для "отмывания" email
	#define PhoneNumber "375290000000" // номер телефона

maxp / arduino_ds1820.ino

Created December 13, 2014 15:09

Read single DS1820 temperature sensor.


	//
	// http://playground.arduino.cc/Learning/OneWire
	//

	#include <OneWire.h>

	#define ONEWIRE_PIN 2

	OneWire ds(ONEWIRE_PIN);

maxp / kladr-psql

Created November 17, 2014 04:11

Конвертация КЛАДР (классификатор адресов России) в формат sqlite.

	!READ FIRST!
	http://sqlite.mobigroup.ru/wiki?name=sqlite3-dbf
	http://sqlite.mobigroup.ru/wiki?name=sqlite3-kladr



	Orig: http://www.opennet.ru/tips/2862_postgresql_kladr.shtml