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SQL: How to SELECT TOP 1 in JOIN Query?

on Friday, July 17, 2020

#HowTo #technology command database info it latest microsoft mssql order by query sql sql server tips tutorial

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SQL: How to Delete Latest Records in MSSQL?

on Friday, November 08, 2019

#HowTo #technology coding command delete info it latest microsoft mssql order by query records sql sql server t-sql teknologi tips

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AngularJS: Default Views for Multiple State UI-Routing

on Friday, January 25, 2019

#technology angularjs coding default html info it js parent-child software software engineering teknologi tips tutorial ui-router

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C# API: Return Result Not Latest

on Wednesday, January 23, 2019

.net #HowTo #technology api c# coding CRUD datacontext info it linq programming software engineering sql step by step teknologi tips

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HTML: Gap between Buttons. What to do?

on Thursday, August 16, 2018

#technology #tutorial button coding css design gaps html info it pengalaman programming software software engineering teknologi tips tutorial

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NPM: Unable to Verify the First Certificate

on Wednesday, June 06, 2018

#technology api c# coding first time git info interview it mongodb nodejs npm install programming software software engineering step by step test tips tutorial

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.Liana Ali.

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Latest Popular Posts

NPM: Unable to Verify the First Certificate

I just recently given a test whereby one of the question requires me to build an API. There's plenty of ways on how to complete the test. I can always stick with C#/ASP.Net, but I decided to try something new; NodeJS and MongoDB . Both of it is fairly new to me. As usual, I do some research online in order to find the right tutorial where I can learn and understand how they work and their syntax as well. For me, as long as you get the logic right, it doesn't matter what language you use, you'll get there in no time . :) Problem I found this tutorial very helpful; Build a Node.js API in Under 30 Minutes . While following the steps in that tutorial, I encounter this issue(s) when I tried to "npm install". It displayed below error. If you refer to the above screenshot; the root cause of the error is because it's unable to verify the first certificate. Based on my previous experiences, it might caused by the https. Solution As usual, I start digging a

ESC/POS: Print QR Code on Receipt

QR code has been used widely in the past few years; either for ticketing, purchasing and etc. Since last year, it's usage become trending technology when e-wallet industry emerge . Some of us might have different ways on how to print it on receipt/ticket; send qr code as image and print, or send the data to be convert to qr code and let the printer do the work. This entry will guide you on how to print qr code using receipt printer ( Model: Pioneer STEP-5e Receipt Printer ) by using ESC/POS command in C#/.NET . COMMON ESC/POS COMMANDS ESC a 0 = align left ESC a 1 = align center ESC a 2 = align right ESC E 1 = turn on bold/emphasize mode ESC E 0 = turn off bold/emphasize mode ESC d n = feed/extra nth line GS V 66 = partial cut for receipt ESC @ = initialize printer QRCODE ESC/POS COMMANDS 1. Selects QR Code model Function 165: GS ( k pL pH cn fn n1 n2 2. Sets the module size of QR Code Function 167: GS ( k pL pH cn fn n 3. Selects the error correction level for

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