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I'm a newbie to opencart. Here I'm using opencart 2.1.0.2 for my E-Commerce website by customizing this theme (http://demo.towerthemes.com/tt_goetze/). In our website we have options in product page by which customer can choose color and size of the product as per their wish. We have options in back-end by which I already added those size and color option in website which is independent. In that we can add quantity of that product independently. Like for color red-quantity 10,color white-quantity 10. Almost site is completed. But now what my client need is, he want to add quantity of the product based on both of those options. Like in red color-Large size quantity 10, in white color- small size quantity 11.
After long try I moved on to check extension. I purchased Dependent / Related Options OC2 extension(https://www.opencart.com/index.php?route=marketplace/extension/info&extension_id=22909&filter_search=dependant%20options) but it not at all working. Anyone please help me sort out this problem. Any other free extension are there to solve this???
What you're looking for is not dependent options but options with stock levels, so have a look at this forum post:
https://forum.opencart.com/viewtopic.php?t=127414
And extensions like these:
https://www.opencart.com/index.php?route=marketplace/extension/info&extension_id=18773 and
https://shop.welfordmedia.co.uk/openstock-2
There are a few others also - search the store for "option stock":
https://www.opencart.com/index.php?route=marketplace/extension&filter_search=option%20stock
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I'm developing a shipping module for Prestashop 1.7.4.4 that will consume a Shipping API I developed. That's why I need to change the default address form.
I know that I can do it manually by editing the address.tpl file or changing the settings at "International > Locations > Countries". That would work if it was on my store, but the module will be available for other customers and it would be great if they don't need to do some extra configurations besides my module's.
Is it possible to do that from my module?
What are the changes you want to make? Are you familiar with Hooks?
It's not really common to modify address form, if you're developing module you have access to many Hooks which allows you to modify templates and PrestaShop's Core.
Good read: https://devdocs.prestashop.com/1.7/modules/concepts/hooks/list-of-hooks/
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I was recently asked the following question in an interview.
"How would you design a system to keep track of a million items at xyz.com ?
The xyz.com could update the prices maybe 2-3 times a day or once per month, so no guarentee on frequency.
Your system should show accurate prices for >95% of items at any given point of time and aim for 99%.
Also scale for 1billion items etc..
"
I asnwered along the lines of creating a distributed system app that would categorize items by priority (based on historical price fluctuations and 80/20 % rule etc) and do API calls more frequently for these.
But I was not allowed to use API calls.
I suggested scraping html content. (But the website can block my ip for such high load)
I basically want to know the resources that would help me anwering these type of questions. Prefer full length courses (Distributed systems ?) or books rather than quick-fix blogs.
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I'm trying to make a personal web analyzer site using PHP.. I bought a script to get other seo data... Now I want to have the 3 bar-counters like the one shown at the top of this page: http://www.woorank.com/en/www/cnn.com ... The problem is I don't know what these information are and how these are computed.. This is not included on the script I bought as well.. I've already googled alot, and I mean a lot, of websites also but I can't seem to find any site like this.. Can anyone help me with the computation or direct me to sites that show these 3 bar-counter data just for more information?
I am referring to the link you provided.
The three bars at the top.
Successfully passed 32
Room for improvement 5
Errors to fix 8
These are totals of all the individual points listed.
The ones that are successfully passed are marked with a green tick
eg Traffic Estimations
Room for improvement are marked with the orange exclamation mark.
eg Title
Errors to fixed are marked by a red cross
eg IP Canonicalization
To display these bars is a coding issue.
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I want to Develop a billing system in that i need item name, which comes from database (Combo box or Autosuggestion Type) When we Select the item Rate will come from database. after that when we enter qty the total will be displayed. after complete one line we can enter another. but i don't know how to deal with that which tool to use please help me
You need to think first whether your system is web-based or desktop based.As u have tagged this question in vb.net I assume that you are sure to develop things in .net.
1.You can develop this using vb.net both as desktop based and web-based.
2.In any case you have to deal with database.like sql server for .net
3.You got to make tables and fetch the data which is a cakewalk in .net
4.Then insert the record and calculate the price and print the invoice if needed..
I think it will work as a roadmap for you
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I regularly process shipping labels that come from the shipping company as PDFs. Before printing them, we add to each one:
a white vector box to block out part of the label
an image of our logo in a different spot
These additions are always in exactly the same spot on the page.
I would love to be able to script this in some way. I'm pretty flexible with options -- I have an iMac, a Windows 7 machine and a Ubuntu server in the house.
Any suggestions?
I would say you have plenty of options here.
There are a lot of PDF libraries out there and many of them can read existing PDFs. If you are fine with commercial libraries and are willing to use .NET stack for the task then I can recommend you Docotic.Pdf library.
Here are samples:
How to draw geometrical shapes
how to use images in your PDF documents
Disclaimer: I work for the vendor of the library.