CRUD platforms to consider

Oct 4, 10:50 AM

- feathers-sequelize (coming tutorial one) — https://github.com/feathersjs/feathers-sequelize

- sails-waterline — http://waterlinejs.org/ https://kev.inburke.com/kevin/dont-use-sails-or-waterline/

- vue-sequelize https://codeburst.io/building-a-feature-complete-bookmarking-app-with-vue-js-express-and-sequelize-orm-b36506ebcb4c

- adonisJS — https://adonisjs.com/docs/3.2/database-setup

— trailsJS – supports ORM’s https://trailsjs.io/start (see ‘choose ORM’ )

- deepstream-sequelize (i still am convinced i can get this working successfully)

sails vs trails:
https://medium.com/jsbot/trails-vs-sails-1-89e2be2bce73

negative sails/waterline article:
https://kev.inburke.com/kevin/dont-use-sails-or-waterline/

Mark Edwards

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deepstream OO Class definition to save recordname

Mar 27, 04:37 AM

from wolfram:

class User{ constructor( recordName ) { this.record = ds.record.getRecord( recordName ); this.record.subscribe( this._processUpdate.bind( this ) ); }

_processUpdate( data ) { if( this.record.name === ‘…’) { // do stuff } } }
Mark Edwards

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promises including async-2-sync conversion

Mar 15, 10:27 AM

(async () => { try { let result = await feathersApp.logout(); console.log(‘the result is: ‘ + result) } catch (e) { console.log(e); } } ) () ;
(async () => let logoutResult = await feathersApp.logout(); console.log(logoutResult); })().catch(e => { console.log(e) });

https://stackoverflow.com/questions/70883305/best-way-to-make-a-knex-request-from-inside-a-promise

from grokling slack:

return sequelizeTable.create({‘column1’:‘data one’,‘column2’:‘data two’}) // Chain on .create .then(result => sequelizeTable.count( { ‘where’ : { ‘id’ : result.id } } ) // Chain on .count .then(count => console.log(count)) // Here we return result to be used after this .then(() => result) ) .then(result => console.log(result.id)) .catch(err => console.log(‘ERROR ‘ + err))

If you don’t want to make smaller functions to make your code more readable, you’d do it something like this:

return table.create(…..)
.then( result => { return table.count( { ‘where’‘ : {‘id’: result.id }})); .then (count => { console.log(count)); return count; }) .then (count => { if ( count > 123 ) console.log(” > 123: “ + result.id) else console.log ( “<= 123: “ + result.id ); return something; })
})
.catch( …….)

NODE:

‘use strict’

/*
function connect() { return new Promise( (resolve, reject) => { client.rpc.make (‘promise’, ‘provide data passed in – abcde’, (err, reply) => { resolve(reply) }); })
}

connect() .then( (result1) => { return(‘RESULT1: ‘ + result1); }) .then( (result2) => { return(‘RESULT2: ‘ + result2); }) .then( (result3) => { console.log(‘RESULT 3: ‘ + result3); }) ;
*/

Mark Edwards

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OBSOLETE node javascript debugging

Mar 5, 07:23 AM

to load underscore (or any cdn) into javascript:

var cdn = ‘https://code.jquery.com/jquery-3.2.1.min.js’ ;
var cdn = “https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js” ;
var cdn=‘https://cdnjs.cloudflare.com/ajax/libs/deepstream.io-client-js/2.1.2/deepstream.js’ ;

var jq = document.createElement(‘script’); jq.src=cdn;
document.getElementsByTagName(‘head’)0.appendChild(jq);

awesome way to use underscore to look up value in an object:

// _master is the object, sequelizeId is the index
console.log( _.findIndex(_master, (_tmpRow)=> { return _tmpRow.sequelizeId === ‘123456’ }) );

// 2017-09-26:
// https://stackoverflow.com/questions/37933445/underscore-js-find-object-which-contains-value-in-array

var master = [ { ‘name’ : ‘listOne’ , data : [ ‘nameOne’,‘nameTwo’] } , { name: ‘listTwo’, ‘data’ : [ ‘nameThree’, ‘nameFour’ ] } ]

function findMe(myObj, myKey) { var retVal=null; _.each(myObj, (val)=> { var byeBye = _.indexOf(val.data, myKey ); if ( _.indexOf(val.data, myKey ) > -1 ) { retVal=val.name; } }) return retVal;
}

console.log( ‘RESULT: ‘ + findMe(master, ‘nameTwo’) )

Mark Edwards

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namecheap ssl certification

Jan 17, 06:02 AM

1) FULL state name, no appreviation

2) organization name – no special characters

3) dont skip the “common name” – which is the domain name

openssl req -newkey rsa:2048 \ -keyout 800-language.com-WITH-PASSPHRASE.key \ -out 800-language.com.csr ;

Generating a 2048 bit RSA private key
…………………………………………………………………………….+++
…+++
writing new private key to ’800-language.com-WITH-PASSPHRASE.key’
Enter PEM pass phrase:
Verifying – Enter PEM pass phrase:
——-
You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter ‘.’, the field will be left blank.
——-
Country Name (2 letter code) [XX]:US
State or Province Name (full name) []:North Carolina
Locality Name (eg, city) [Default City]:Raleigh
Organization Name (eg, company) [Default Company Ltd]:800 Language
Organizational Unit Name (eg, section) []:
Common Name (eg, your name or your server’s hostname) []:800-language.com
Email Address []:info@comptonpeslonline.com

Please enter the following ‘extra’ attributes
to be sent with your certificate request
A challenge password []:
An optional company name []:

Mark Edwards

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