This tutorial explains How to submit jquery duplicate/clone
field values to form with PHP. In this example we are
going to provide very simple example and using existing jquery
plugin, so here we are using relCopy.js jquery plugin to duplicating the existing
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IS NOT NULL, truthiness among
other assertions on MySQL and PostgreSQL
can one thing be equal to the other, i.e.
undefined evaluates to
true unless you use
the triple equals
===. Other dynamic typed languages
have its peculiarities, such as Ruby where
0 == true evaluates to
true, the reason
for Ruby is that considers
0 as a value and any
value evaluates to
How about SQL? The answer is… it depends.
Which database are you using?
Some may be more forgiving, like MySQL doing casts for you all over the place, or more strict like PostgreSQL where you can only compare the truthiness of something of the same type.
How we wrote our own Service Worker
As we continue the process of reinvigorating Tumblr’s frontend web development, we’re always on the lookout for modern web technologies, especially ones that make our mobile site feel faster and more native. You could have guessed that we are making the mobile dashboard into a progressive app when we open-sourced our webpack plugin to make web app manifests back in August. And you would’ve been right. But to make a high quality progressive web app, you need more than just a web app manifest—you also need a …[Read more]
I stopped freelancing on upwork in 2011. I used to be a part-time freelancer on upwork (previously known as oDesk) from 2008 to 2011 besides my full-time job. Since 2011, I have been developing my own Indie mobile apps which is a great success for me and in my career.
I am still earning very good passive income from my own portfolio apps, today I will discuss why I have started freelancing again.
1. Indie Developing
There is a saying:
If you walk alone you can go faster
If you walk in group you can go further
The way you handle result sets in a Node.js app using Connector/Node.js is a bit different from the way you do it using an interactive session or a non-interactive JS script in the Shell.
Executing an operation in the MySQL server …[Read more]
Many people want to be web developer. But not many people know how and where to start. In this 10 steps guideline, I discuss how to be a web developer from Zero experience with my recommended books.
I created this guidelines based on my web development experience and recent trends. Personally I read most of the books I recommended here.
1. HTML & CSS
First step of becoming a web developer is to learning the fundamental of HTML and CSS. These are the building blocks of website or web application development. Normally a web developer doesn’t have to be a master of CSS as Web designer do this job. But sometimes for simple modification its way better to fix by oneself than asking the designer.
Recommended Books for HTML and CSS
First of all, thanks to everyone who attended my sessions at the recent Oracle OpenWorld and Code One in San Francisco. It was a great privilege to be allowed to make a number of presentations.
All of the workbooks and scripts from the hands-on labs (HOL) and the slides from the talks have been made available at OpenWorld’s and Code One’s session catalogues. You can download the files by using the OpenWorld catalog searching for my name or the session number (see below). Click on the download icon for each of the presentations you are interested in.
The MySQL Development team is proud to announce a new version of the MySQL Shell which in addition to the usual bug fixes and enhancements to the existing components, offers new features we expect are quite useful in your day to day work.…
It can be hard to recall all the details of how a program and API work. The usual way to handle that is to look at the manual or a book. Another – and in my opinion – nice way is to have built-in help, so you can find the information without changing between the program and browser. This blog discuss how to obtain help when you use MySQL Shell.
MySQL Connector/Node.js is a new Node.js driver for use with the X DevAPI. This release, v8.0.11, is the first general availability release of the MySQL Connector/Node.js 8.0 series.
The X DevAPI enables application developers to write code that combines the strengths of the relational and document models using a modern, NoSQL-like syntax that does not assume previous experience writing traditional SQL.
To learn more about how to write applications using the X DevAPI, see http://dev.mysql.com/doc/x-devapi-userguide/en/. …[Read more]
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