learning php mysql and javascript a stepbystep guide pdf

... fiberdetermine the fundamental properties of a fabric made from that fiber.Although physical and chemical treatments and changes in yarn and fabricformation parameters can alter the fabric properties to ... of natural and man-made fibers FIBER CLASSIFICATION Textile fibers are normally broken down into two main classes, naturaland man-made fibers All fibers which come from natural sources (animals,plants, ... actual formation of the yarn may be impossible or theresulting yarn may be weak, rough, and irregular in size and shape and un-suitable for textile usage Natural fibers must be sorted and graded

Ngày tải lên: 31/05/2014, 01:29

... away as retain samples by a cosmetics manufacturer willbecome a fIre hazard Medical and research laboratories have much the same storagerequirements as industrial laboratories All need adequatespace ... easy to reach? Are areas forhandling hazardous materials properly segregated? Are areas ofpotential hazards away from important traffic lanes? When all these questions are answered to the planner's ... 12Compressed Gases 93Trang 14Examples of Laboratory Handiwork 136Trang 16A laboratory may come in any size or shape It may be a room inan industrial plant, a wing of a hospital, or a whole building on acollege

Ngày tải lên: 31/05/2014, 01:37

... technologies: PHP, MySQL, and JavaScript Assumptions This Book Makes This book assumes that you have a basic understanding of HTML and can at least put together a simple, static website, but does not assume ... Arrays 337 17 JavaScript and PHP Validation and Error Handling 355 x | Table of Contents Trang 3The validate.html Document (Part Two) 35818 Using Ajax 377 19 Using YUI for Ajax and More ... errata, examples, and any additional information You can access this page at: http://www.oreilly.com/catalog/9780596157135 There is also a companion website to this book available online at:

Ngày tải lên: 05/07/2014, 19:21

... web pages have started to resemble standalone programs, because they don’t have to be reloaded in their entirety Instead, a quick Ajax call can pull in and update a single element on a web page, ... MySQL, and JavaScript is the wonderful way in which they all work together to produce dynamic web content: PHP handles all the main work on the web server, MySQL manages all the data, and JavaScript ... too much about what they stand for or what these names mean, because the details will all become clear as you read on. HTTP and HTML: Berners-Lee’s Basics HTTP is a communication standard governing

Ngày tải lên: 05/07/2014, 19:21

... include at least Internet Explorer, Mozilla Firefox, Opera, Safari, and Google Chrome What Is a WAMP, MAMP, or LAMP? WAMP, MAMP, and LAMP are abbreviations for “Windows, Apache, MySQL, and PHP,” “Mac, ... “Mac, Apache, MySQL, and PHP,” and “Linux, Apache, MySQL, and PHP.” These abbreviations describe a fully functioning setup used for developing dynamic Internet web pages 13 Trang 4WAMPs, MAMPs, and ... program you will use to start and stop your web server and database To make things easier for yourself in the future, I recommend that you make an alias to the MAMP folder and place the alias on

Ngày tải lên: 05/07/2014, 19:21

... installation processes available Installing a LAMP on Linux If you know much about Linux, you may have already set up and installed PHP and MySQL If not, your best bet is probably to look at XAMPP for Linux, ... stop at the breakpoints and provide you with information about the program’s current state As an aid to learning programming, the examples in this book can be entered into an IDE and run there and ... following command (inserting the appropriate filename if the version you downloaded is a later version): tar xvfz xampp-linux-1.6.8a.tar.gz -C /opt Any XAMPP version that was already installed will

Ngày tải lên: 05/07/2014, 19:21

... what PHP variables are all about Just think of them as little (or big) matchboxes! That’s right, matchboxes that you’ve painted white and written names on String variables Imagine you have a matchbox ... obvious that the PHP parser is being called, this is a valid alternative syntax that also usually works (although not with the EasyPHP WAMP package), but should be discouraged, as it is incompatible ... web pages will be a combination of PHP, HTML, and JavaScript, and some MySQL statements Furthermore, each page can lead to other pages to pro-vide users with ways to click through links and fill

Ngày tải lên: 05/07/2014, 19:21

... replaced with the variable’s value Variable Typing PHP is a very loosely typed language This means that variables do not have to be declared before they are used, and that PHP always converts variables ... logical operator (“If the time is later than 12pm and earlier than 2pm, or if the smell of a roast is permeating the hallway and there are plates on the table”) As a rule, if something has a TRUE ... Trang 1three more arrays, as in Example 3-5, in which the array is set up with a game alreadyin progress Example 3-5 Defining a two-dimensional array <?php $oxo = array(array('x', '',

Ngày tải lên: 05/07/2014, 19:21

... small parts and segregated data are less buggy and easier to maintain If you have a thousand-line program (and some day you will) in which you discover that a global variable has the wrong value ... example, less-than and greater-than characters (< and >) are transformed into the strings &lt; and &gt; so that they are rendered harmless, as are all quotes and back-slashes, and so on ... commands are quite similar to each other, but print is an actual function that takes a single parameter, whereas echo is a PHP language construct By and large, the echo command will be a tad faster

Ngày tải lên: 05/07/2014, 19:21

... You can also assign the value re-turned in a ? statement to a variable (see Example 4-27) Trang 8Example 4-27 Assigning a ? conditional result to a variable<?php $enough = $fuel <= 1 ? FALSE ... to keep track of the largest value that you’ve seen as a program progresses You save the largest value in $saved and compare it to $new each time you get a new value Programmers familiar with the ... want a program to repeat the same sequence of code again and again until something happens, such as a user inputting a value or the pro-gram reaching a natural end PHP’s various loop structures

Ngày tải lên: 05/07/2014, 19:21

... Trang 1Here I have also used an invaluable function called print_r It asks PHP to display information about a variable in human readable form The _r stands for “in human readable format.” ... “secret” Static methods in PHP 5 If you are using PHP 5, you can also define a method as static, which means that it is called on a class and not on an object A static method has no access to any object ... an instance of a class, but a static method can Example 5-23 defines a class called Test with a static property and a public method Example 5-23 Defining a class with a static property <?php

Ngày tải lên: 05/07/2014, 19:21

... you can do with arrays, some of which—if you are have ever used a strongly typed language such as C—may surprise you with their elegance and simplicity Arrays are an example of what has made PHP ... by giving each element in the array an identifying name and a longer, more explanatory string value Example 6-4 Adding items to an associative array and retrieving them <?php $paper['copier'] ... would also probably break down all the links found within a page into another array, and all the headings and subheadings into another When you use as-sociative rather than numeric arrays, the code

Ngày tải lên: 05/07/2014, 19:21

... that you cannot have a string variable called $fred and an array also called $fred If you’re in doubt and your code needs to check whether a variable is an array, you can use the is_array function ... octal integer 173 s Display arg as a string 123 u Display arg as an unsigned decimal 123 x Display arg in lowercase hexadecimal 7b X Display arg in uppercase hexadecimal 7B You can have as many ... http://php.net/manual/en/ref.array.php However, some of these functions are so fundamental that it’s worth taking the time to look at them here is_array() Arrays and variables share the same namespace This means that

Ngày tải lên: 05/07/2014, 19:21

... unless a padding value has been set, in which case the output is padded with zeros instead of spaces If a pad character other than zero or a space is required, you can use any one of your choice as ... http://php.net/manual/en/class.datetime.php Using checkdate You’ve seen how to display a valid date in a variety of formats But how can you check whether a user has submitted a valid date to your program? The answer is to pass ... month, day and year to the checkdate function, which returns a value of TRUE if the date is valid, or FALSE if it is not For example, if February 30 of any year is input, it will always be an invalid

Ngày tải lên: 05/07/2014, 19:21

... user uploads a file, the program runs again and discovers an element in the $_FILES array Trang 6Once the program realizes that a file was uploaded, the actual name, as read from the uploading computer, ... the uploaded temporary image to its new location and then displays it, while also displaying the old and new image names Don’t worry about having to delete the temporary file that PHP creates during ... only if an Trang 9unsup-When you write your own file uploading routines, I strongly advise you to use a similar approach and have prechosen names and locations for uploaded files That way no attempts

Ngày tải lên: 05/07/2014, 19:21

... fact, in a comparison of several databases by eWEEK, MySQL and Oracle tied for both best performance and for greatest scalability (http://mysql.com/why-mysql/benchmarks) MySQL Basics A database ... grasp basic concepts and get started with a database Accessing MySQL via the Command Line There are three main ways in which you can interact with MySQL: using a command line, via a web interface ... Database The overall container for a collection of MySQL data Table A subcontainer within a database that stores the actual data Row A single record within a table, which may contain several fields

Ngày tải lên: 05/07/2014, 19:21

... database itself and the objects it con-tains, such as tables (see Table 8-4) Table 8-4 Example parameters for the GRANT command *.* All databases and all their objects database.* Only the database ... the database called database and all its objects Only the database called and its object called Trang 6So let’s create a user who can access just the new publications database and all its objects, ... let the sysadmin know that you need a username and password You should also ask for the ability to create new databases or, at a minimum, to have at least one database created for you ready to use

Ngày tải lên: 05/07/2014, 19:21

... of data items Renaming a table Renaming a table, like any other change to the structure or meta-information about a table, is achieved via the ALTER command So, for example, to change the name ... a table Trang 8because at the expense of a slight overhead in memory and disk space, you can createa “card index” for a table that MySQL will use to conduct lightning-fast searches Creating an ... 00:00:00' YEAR 0000 (Only years 0000 and 1901–2155) The DATETIME and TIMESTAMP data types display the same way The main difference is that TIMESTAMP has a very narrow range (from the years 1970

Ngày tải lên: 05/07/2014, 19:21

... of labour 54 23 Epidural analgesia for labour 56 24 Epidural test doses 60 25 Combined spinal-epidural analgesia and anaesthesia 63 26 Spinal analgesia 67 27 Caudal analgesia 69 28 Spinal and ... used during all vaginal examinations and during both vaginal and operative delivery, and is especially important if regional analgesia or anaesthesia is used. This can be achieved manually or by ... manuals or handbooks bridge the gap between routine obstetric anaesthesia and analgesia and this challenging area of practice. Finally, the boundaries between obstetric anaesthesia and anaes- thesia...

Ngày tải lên: 21/09/2012, 10:39

... model and refers to a database’s data and schema. The schema is the database’s structure of how data is arranged. Common usage of the term “Relational Database Management System” technically refers ... out, it can be easier to install a bundled set of Apache, MySQL, phpMyAdmin, and PHP. There are several packages available that install all of these at the same time as a single installer within ... Query Language (SQL) is the most popular language used to create, retrieve, update, and delete data from relational database management systems. A relational database conforms to the relational model...

Ngày tải lên: 24/01/2014, 15:01