Running dbcapi examples on mac osx? Building PHP Module for SQLA 17 on Mac OS High Sierra. SQL Anywhere 16 on OS X 10.9. SQLAnywhere 17 on Mac Os x 10.9.5 doesn't work. SA17 on Mac OS Catalina 10.15.2 beta (19C64a) Query over two SQL Anywhere 12 databases. Database file permission behaviour SA12. Starting SQLAnywhere from c api?
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The first five pages are taken from the.They contain both theory and practical tutorials that will let you understand how PHP works. Be sure to read them in order:.The VERY basics (5 minutes read).A bit more theoretical introduction (5 minutes read).A “Hello World” tutorial plus some basic suggestions (10 minutes read).Some more practical examples to get a grasp of the language capabilities (10 minutes read).A quick HTML form integration tutorial, useful to understand how HTML and PHP relate to each other (5 minutes read)The next three pages are taken from the.You will go back to this section quite often. For now, focus on just these three pages:.A short practical introduction to variables and types (5 minutes read).Some basic syntax (10 minutes read).An introduction to user-defined functions (10 minutes read)Don’t worry if you can’t remember everything you just read. For now, it’s important that you understand how PHP works and what its main features are.You’re free to read more introduction chapters if you want, but it’s not strictly necessary.When you’re done, move on to the next step. PHP is a scripting language. Let it be clear: you cannot learn everything about PHP in 5 days.Learning a programming language is a never-ending process: the more you practice the more you learn.But before you can improve your coding skills on your own, you must first learn the basics.Many beginners spend way too much time in this first learning phase because they all make the same mistake: they don’t follow any learning program.I know, because I made the same mistake too.This guide provides you with a 5 days learning program you can stick with to acquire your basic skills without wasting your time. This program is:.
focused on what really matters: there is no point in learning too much at once;. balanced: you can stick with it even if you don’t have much time;. and effective: after the 5 days you can start writing real PHP applications right away.Let’s begin. The very first thing to learn is how PHP and HTML are related to each other.Start from this basic HTML form tutorial:This tutorial explains how to build a PHP backend to handle data from an HTML form. You should also read how the, and Superglobals work (hint: they contain the data from HTML forms).You can safely ignore XForms: you won’t use them anytime soon.If you want to take a step further, see how to use forms to upload files too:Once you have read and understood the tutorial, it’s time to create your own PHP form backend.Open your code editor and create an HTML form like the one in the tutorial, changing the fields’ names and formats as you like. Then, write the PHP backend script and test everything with your development environment.Important: do not skip this step, because you will use this exercise in the next 4 days too.This first day should be quite easy, but feel free to ask me if you have any doubt. If you have some experience with any programming language, I’m sure you already know what operators and functions are.And if you do not, don’t worry: they are very intuitive concepts and you’ll grasp them very quickly.First, read the to understand what operators are and how they work in PHP.You don’t need to read all the chapters.
Just focus on the most important operators, the ones you will use from the start:.It’s perfectly fine if you don’t remember everything (or even half of what you read). Your goal is to discover what you can do with PHP and understand its potential.Then, move on to. Focus on the basics:.In DAY 2 you will also study strings.Strings are extensively used in web programming and t he PHP standard library includes many that you will use very often.Now get back to your exercise from day 1 (you DID it, right?)You are going to add some additional functionalities using operators, custom function definitions and string-handling functions.You can do whatever you want, just think of a nice functionality to include in your backend and try to implement it. It can also be something completely useless but funny.If you need some inspiration, look at the following example: It reads a value from the request string (like an input value from an HTML form) and prints the even characters only.This example uses some operators (increment, string concatenation, arithmetic) a couple of string functions and it also shows how to write a user-defined function. Is an important programming paradigm used my many modern languages.It can be a bit difficult to grasp at first, but it’s important that you start using it as soon as possible.Again, if you are already familiar with OOP concepts from any other programming language then you will find PHP’s OOP easy to understand.If you’re unfamiliar with OOP, take some time to read a few chapters from the documentation. PHP uses to keep track of consecutive remote user access.Sessions are used extensively for user authentication to keep track of user logins, in e-commerce websites to keep track of accounts’ purchases and in many other scenarios.Almost every PHP-based website uses Sessions.It’s a good idea to learn Sessions from the start, because they will let you write stateful websites very easily.You can go straight to my to learn how to use Sessions in practice and to see some code examples.Of course, don’t forget to use Sessions in your own form example. If you created an authentication class as OOP exercise, you could use Sessions to remember user accesses.Otherwise, a simpler exercise is to remember all the values sent through the HTML form and print the list at every page load.
Almost all dynamic websites need to store some data.An e-commerce site must store orders and customers’ information, a blog must store posts and settings, and so on.All this data is stored on a database, usually an SQL rational database like.Imagine a database as a set of tables. Inside each table, a row represents an element and every column of the row is an element’s attribute.For example, a “Users” table could contain all the users registered on a website.Every user is saved on a table’s row, where each column contains a user’s attributes (name, password, registration date etc.).
For example, this is the users table I used in my. The life of a web developer is complicated. With so many languages to learn, it can be difficult to focus on just one.During these 5 days, you will probably be tempted to look at other languages like JavaScript or Python or to try using some PHP framework.But that’s not a good idea: 5 days are a very short time frame, and during that time your brain needs to stay focused 100% on the same thing.Focus on PHP only and you will learn it well.You will have plenty of time later to think about the rest. Before you begin your study session, be sure to plan all the 5 days in advance.If you don’t, how can you be sure you can find the time to study each day?To get the most out of this learning program, it’s important that you practice every day. Your brain will learn better and faster if you do so.It’s much better to practice one hour every day than two hours every other day.This is what I suggest you do:. decide in advance how many hours you need to study each day (from 1 hour if you already have some programming experience, up to 3 hours if you are an absolute beginner);.
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use your favourite calendar app to schedule the time slots for each of the 5 days;. don’t let anything keep you from studying during these time slots, except real emergencies.
Reading the documentation chapters and the examples is not enough, even if you understand everything you read.For your brain to really learn a concept, that concept must be stored in memory and then retrieved multiple times. The more you recall something the more you will remember it (this is the fundamental theory behind many learning strategies like spaced repetition).Sometimes you may be tempted to skip doing the exercises, especially if you understood perfectly the theory. But if you do so, you will probably forget everything in a couple of days. In this step-by-step tutorial you have learned how to get started with PHP, including how to install a development environment and a code editor.The 5 days learning program explained in this guide will let you acquire the right basic skills, the ones you will use right away in your first PHP applications, without wasting your time.You also know which mistakes to avoid getting the most out of the learning session.Now, why don’t you share your learning experience? Did you try this learning program or something else? And how did it go?I’m waiting for your comments!
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January 2023
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