we re comparing php to java

... programmed to know how to read and parse web pages, the web server is software that’s programmed to send web pages when they re requested Several popular web server software packages are available, ... doing so, here’s a summary of where you are so far: ✦ A web browser is special software that knows how to open and interpret web pages Web browsers also know how to contact web servers to get information ... where MySQL comes in As you’ll see, MySQL provides a great (and free) way to store data for your website Building dynamic web applications with PHP and MySQL PHP, short for PHP HyperText Preprocessor,...

Ngày tải lên: 05/09/2013, 21:37

... javascript: URL pseudoprotocol to evaluate a JavaScript expression and return the result A JavaScript URL consists of the javascript: protocol specifier followed by arbitrary JavaScript code (with ... core language However, both browsers agree upon a large subset of client-side JavaScript features For lack of better names, versions of client-side JavaScript are sometimes referred to by the version ... When I use corelanguage version numbers to refer to client-side versions of JavaScript, I am referring to the compatible subset of features supported by both Netscape and Internet Explorer When I...

Ngày tải lên: 05/10/2013, 13:20

... returns the results of the statements back to the PHP interpreter 10 The PHP interpreter returns the results of the executed PHP code, along with the results from the MySQL database, to the web ... are you? PHP is a flexible language, and some people prefer to place the PHP construct directly next to PHP code, like this: Hello World Today is < ?php echo date("l"); ?> How are you? There are ... and the O’Reilly logo are registered trademarks of O’Reilly Media, Inc Learning PHP, MySQL, JavaScript, and CSS, the image of sugar gliders, and related trade dress are trademarks of O’Reilly Media,...

Ngày tải lên: 01/11/2013, 09:57

... programmer’s guide and reference to the java. awt package (including java. awt.image, java. awt.event, java. awt.datatransfer, and java. awt.peer) It assumes that you re already familiar with the Java language ... Selecting a button triggers an event telling the program to go to work Section 5.3 explores the Button component Figure 1-9 shows Button examples Figure 1–9: Various buttons The Java Management ... Peer Interfaces Java Components User Subclasses Figure 1–10: Peer architecture There are several layers of software between your Java program and the actual screen Let’s say you are working with...

Ngày tải lên: 14/12/2013, 12:15

... ultimate web development tool www.hotmetalpro.com 17 Using Operators Operators are the things that act on variables We have already seen an operator used in the previous example, where we were assigning ... Compiled programs Before we start discussing the differences between interpreted and compiled we have to define the term source code or as it is more commonly referred to, the code The code is ... course you will use it to ensure that a user is inputing data into your forms in the correct format, to create interesting buttons with mouse rollover effects, and to create pop-up windows When...

Ngày tải lên: 15/12/2013, 02:15

... ultimate web development tool www.hotmetalpro.com 17 Using Operators Operators are the things that act on variables We have already seen an operator used in the previous example, where we were assigning ... Compiled programs Before we start discussing the differences between interpreted and compiled we have to define the term source code or as it is more commonly referred to, the code The code is ... course you will use it to ensure that a user is inputing data into your forms in the correct format, to create interesting buttons with mouse rollover effects, and to create pop-up windows When...

Ngày tải lên: 21/12/2013, 04:18

... button in order to hide and show a layer First we have to know how the layers are represented in JavaScript As usual there are several ways The best thing is to assign a name to every layer If we ... onClick=’alert("Yo")’ There are many different event-handlers you can use We will get to know some during this tutorial - but not all So please refer to a reference if you want to know what kind of ... Variables can be used to store different values - like numbers, text strings etc The line var result= x + y; tells the browser to create a variable result and store in it the result of x + y (i.e...

Ngày tải lên: 21/12/2013, 04:19

... assignment operators: total -= price; SAME AS total = total — price; total *= price; SAME AS total = total * price; total /= price; SAME AS total = total / price; total %= price; SAME AS total = total ... Java came into being to satisfy the need to more through the Web than either HTML or CGI could provide JavaScript took Java one step further by making the power of Java available to Web authors ... repeat repeat repeat repeat repeat repeat repeat repeat repeat" Notice that when count has reached 10, it will move through the loop one last time, adding the final "repeat" to phrase and incrementing...

Ngày tải lên: 21/12/2013, 05:17

... http://htmlgoodies.earthweb.com Basic Text Editor and Web Browser Knowledge Before jumping in and coding with JavaScript, you must be able to use a text editor or HTML editor, and a Web browser You’ll use these tools ... the viewer In the case of JavaScript, the client is a Web browser Therefore, JavaScript is run directly in the Web browser and doesn’t need to go through the extra step of sending and retrieving ... the screen JavaScript can also be used to check the information entered into a form before it is sent to a server-side program to be processed The information can prevent strain on the Web server...

Ngày tải lên: 17/01/2014, 07:20

... use readWord() to read ASCII words conveniently; we read red, green, and blue words, convert them into ints, and pack the three into one element (one pixel) of store[][] For binary data, we read ... left to right and top to bottom In binary format, each pixel is represented by three bytes: one for red, one for green, and one for blue In ASCII format, each pixel is represented by three numeric ... cost too much Therefore, designers used fewer bits — possibly as few as three, but more often eight—for each pixel Instead of representing the colors directly in these bits, the bits were an...

Ngày tải lên: 21/01/2014, 06:20

... because you don’t have to provide another class file Since it is part of Java, AWTError is guaranteed to exist on the run-time platform Methods are not required to declare that they throw AWTError ... java -Dawt.toolkit=foo throwme The error occurs because the Java interpreter tries to use the toolkit foo, which does not exist (assuming that class foo does not exist in your CLASSPATH) Therefore, ... getLocationOnScreen() for a component that is not showing In these cases, the operation isn’t fundamentally illegal; you are just trying to perform it before the component is ready When you create your...

Ngày tải lên: 21/01/2014, 06:20

... available read() returns the actual number of bytes read If the end of stream is encountered and no bytes were read, read() returns -1 Ordinarily, you read() an AudioStream only if you want to modify ... bytes were read, read() returns -1 Otherwise, read() returns the character read public int read (byte buffer[], int offset, int length) This read() method of AudioStreamSequence overrides the read() ... it reads the InputStream; it is rarely called directly read() returns the actual number of bytes read read() never returns -1 since it loops back to the beginning on end-of-file 14.5.5 AudioStreamSequence...

Ngày tải lên: 21/01/2014, 06:20

... LightweightPeer doesn’t 10 July 2002 22:23 500 CHAPTER 15: TOOLKIT AND PEERS Java- Land Real World Toolkit Button addNotify() createButton() Native Button (peer object) Figure 15–2: Creating a Button ... Toolkit.getDefaultToolkit() Currently, only one Toolkit can be associated with an environment You are more than welcome to try to replace the one provided with the JDK This permits you to create a whole ... created to process events This should result in substantial resource savings where multiple panels need to be created just to help with layout The following code is all you need to create a LightWeightPanel:...

Ngày tải lên: 21/01/2014, 06:20

... method, which is called in response to a button click We check which button the user clicked; if the user clicked the Copy button, we read the text field tf and use it to create a new StringSelection ... plainTextFlavor), getTransferData() returns an InputStream for you to read the data from public DataFlavor(Class representationClass, String humanPresentableName) # The other constructor creates an instance of ... its presentable name A program calls Transferable.getTransferData() to read data from the clipboard If the data is represented by a Java class, getTransferData() returns an instance of the representation...

Ngày tải lên: 21/01/2014, 06:20

... many ways, the steps required to print arbitrary content are similar to those we outlined previously However, a few tricks are involved: Get the PrintJob: PrintJob pjob = getToolkit().getPrintJob(this, ... size is chosen to roughly represent a screen but has no relationship to the page size or orientation public abstract int getPageResolution () # The getPageResolution() method returns the number ... However, as of Java 1.1, it’s impossible to prevent the component from drawing itself Remember that your paint() method was never responsible for drawing the component; it only drew additions to...

Ngày tải lên: 21/01/2014, 06:20

... software development, when you re trying to look up a method under the pressure of some deadline, it’s easy to forget that you need to look at the superclasses in addition to the class you re interested ... solve this problem, but we re not there yet Package diagrams The following figures provide a visual representation of the relationships between the classes in the AWT packages java. awt, as the mother ... implements Figure 18–2: Graphics classes of java. awt package 10 July 2002 22:24 524 java. applet Reference java. lang java. awt.image DirectColorModel ColorModel Object IndexColorModel FilteredImageSource...

Ngày tải lên: 21/01/2014, 06:20

... the parent preferredLayoutSize public Dimension preferredLayoutSize (Container target) Parameters Returns Implements Description target The container whose size needs to be calculated Preferred ... String SOUTH A constant representing south orientation 10 July 2002 22:24 # BORDERLAYOUT 559 WEST public final static String WEST A constant representing west orientation Constructors BorderLayout ... containers This method returns the preferred alignment of the given container target A return value of is top aligned, is centered, and is bottom aligned getVgap public int getVgap() # Returns 10 July...

Ngày tải lên: 21/01/2014, 06:20

... Constructors DataFlavor public DataFlavor (Class representationClass, String humanPresentableName) Parameters Description representationClass The Java class that represents data in this flavor humanPresentableName ... Returns The MIME type string for this flavor getRepresentationClass public Class getRepresentationClass() Returns The Java class that will be used to represent data in this flavor isMIMETypeEqual public ... for the returned data The data represented by this Transferable object, in the requested flavor UnsupportedFlavorException If the requested flavor is not supported IOException If a Reader representing...

Ngày tải lên: 21/01/2014, 06:20

... java. awt.Component java. awt.Button java. awt.Canvas java. awt.image.ImageObserver java. awt.MenuContainer java. io.Serializable java. awt.Checkbox java. awt.Choice java. awt.Container java. awt.Label java. awt.List java. awt.Scrollbar ... face can receive ContainerEvent objects Listeners must first register themselves with objects that produce events When events occur, they are then automatically propagated to all registered listeners ... ORed with other masks to form modifiers setting of event BUTTON1_MASK public final static int BUTTON1_MASK The mouse button key mask ORed with other masks to form modifiers setting of event BUTTON2_MASK...

Ngày tải lên: 21/01/2014, 06:20