Java: The Good Parts pot

... of the use of certain parts of the language, and a better understanding of why those parts of the language are useful, when to use them, and when to avoid other solutions. Along the way, there ... methods in the Java language are defined by their name and by the types of their arguments (the objects that are passed in to the method) and their return values (the object...

Ngày tải lên: 15/03/2014, 15:20

... at the top of the function, not in blocks. The if statement changes the flow of the program based on the value of the expres- sion. The then block is executed if the expression is truthy; otherwise, ... contain good parts and bad parts. I discovered that I could be a better programmer by using only the good parts and avoiding the bad parts. After all, how can y...

Ngày tải lên: 23/03/2014, 00:20

... dead” and then, from the other side, “PHP is for hobbyists.” But all one has to look at is the ramp-up rate of downloads for the Zend Framework, Magento, or Drupal to realize that the simplicity ... world. In the last several years, many members of the PHP community have been debating whether the language is enterprise ready: can it be trusted to handle the big projects and we...

Ngày tải lên: 14/12/2013, 22:15

... ; } The first part of this statement ($i = 0) sets the initial value for the loop, and the part after the semicolon is the portion of the statement that repeatedly tests to determine whether the ... those of the web server. The code above merely sets the value of the cookie on the client’s machine. The other side of the equation is how to retrieve that data when...

Ngày tải lên: 14/12/2013, 22:15

... effectively from one page to the next; the difference lies in the method of passing the information. The $_POST array does not use the query string in the URL of the called file as the transport method, ... through the haystack for the specified needle and, if they find it, will return the portion of the string from the beginning of the needle to the end of th...

Ngày tải lên: 14/12/2013, 22:15

... . round($avgGrades,2) ; The sum of the provided grades is: 564 The average of these grades is: 80.57 This code also uses the round function to clean up the display of the average value and keep ... code, you can reference the elements of an array by their keys, surrounded by square brackets. If we want to take the value of the third element of the array the contents being...

Ngày tải lên: 14/12/2013, 22:15

... previously. We then save his comments upon the submission of the form and move on to the next survey question. Here is the code for the first page (the <?php tags are included here because there are ... verify that the directory exists, we simply direct the browser to the first page of the survey. Now that we are on the first page of the survey (see Figure 7-2), the...

Ngày tải lên: 14/12/2013, 22:15

... the footer) and the top of the next page (to show the header). You can suppress the header or footer on a certain page by querying the value of the page number with the returned value from the ... the creation of both the origin and the destination parts; notice the use of the FPDF write method, which is another way to send text to the document (as opposed to u...

Ngày tải lên: 14/12/2013, 22:15

... the width and height of the chart to the constructor. Then we simply start using the methods available to us to build the chart. We can control the look of the title of the chart by setting the ... will alternate as the table is constructed row by row. The final call to the cell() method in this BuildTable() method draws the bottom of the table and closes off the...

Ngày tải lên: 14/12/2013, 22:15

... output: The Eagle has landed The Eagle has landed The Eagle has landed The Eagle has landed The Eagle has landed The Eagle has landed As you can see, this is the dreaded endless loop, which the goto ... time values from the server; to do this, simply provide the string “now” as the first parameter. The following code does the same as the other examples, except that...

Ngày tải lên: 14/12/2013, 22:15