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So I am reading a book from Pratt and it is called A Guide to MySQL. Apparently the book stinks and I am trying to answer some of the questions from the book. #fc1 show tables in the current selected database # for your current database it should be two …
** This is my source code about calculator,I also use online materials, but it has a problem, i just plus the number from 1 to 9, if I use 10 plus another number, the result always is 1, please teach me how to fix it, thanks you #include <stdio.h> #include …
Hey everyone, I have a question about how to dynamically change a link based on the current page. Sort of like the "breadcrumb" feature in wordpress. However I don't want it to read as follows: "index.php", "about-us.php"..ect. I want the link to be something like "Home" "About Us" ..ect. How …
okay so hi, my problem is on (i think) case 3(the delete), it actually works when you input a movie title of example: armageddon(2012), but if you input a title that has spaces in between example: when i met your mother(2009), it just crashes. i don't know what to do …
I need some pointers with pointers. What is the difference between a variable preceded by an "*" and an "&"? Some of my sample code uses one and some the other. I'm getting compiler errors trying both saying the variable is not defined. First use this function.
I am wondering, when does it become more efficient to pass by value in C#? I was reading this article: http://msdn.microsoft.com/en-us/library/4d43ts61%28v=vs.90%29.aspx The article suggests that passing by reference actually generates overhead when it transferrs the value type to the heap. My C/C++ classes swore by passing by reference as a …
hi iam working on building a website for maintaining PCs, and if anyone get in my site asking for help, if i try to answer him the answer will go to the werong person, so please any help <html> <head> <meta charset='utf-8'> </head> <body > </body> </html> <?php $dbhost = …
The following PHP code works fine with javascript in Internet Explorer but fails in Firefox. Javascript is enabled in Firefox. It appears that when the button/icon is clicked, it enters the javascript function, but doesn't change the icon on the page. It also seems to return to the PHP code/page …
I downloaded eclipse to my windows 8 computer along with the jdk and when I launch eclipse it tells me that it cannot not find the jre or jdk and that it is not in my current PATH. I have tried setting the path to the jdk folder but it …
I was wondering if you could help me with a current issue I am having whilst developing an ER diagram. The problem I am having is with identifying the correct Entities. Question:- students can fill registration form online (of 8th,9th and 10th only) they can give online exam. any user …
Resource: http://www.w3schools.com/php/php_xml_simplexml.asp I wasn't able to Google it since I don't know how to form question. So lets say the **xml** file is <?xml version="1.0" ?> <major> <point>Tower</point> </major> </xml> I can retrieve it by using **PHP**: <?php $file = simplexml_load_file("file.xml"); echo "Well, the point in on ". $file->point ."."; …
Hi all, I have a question about deploying a Visual Basic 2010 Express build application silently on remote computers. When I published the app, an setup.exe file was created in project\bin\Debug folder. Now I would like to install this app to multiple machines (in the same domain). Usually I do …
Hello guys i want to show a data in my combobox when i click on an item ion my jtable i tried this but it doesn't work. i would apprecite it if any one can help thanx String add5 = rs.getString("Id_branch"); branch_combo.setSelectedItem(add5); String add6 = rs.getString("User_Role"); UserRole_combo.setSelectedItem(add6);
Hiya, please can you help: In my poker program I used to have loads of code for the 10 player slots, I used to ElseIf through each player in each player spot. Tonnes of code. Now I want to loop through so I have only one set of code. The …
I am trying to write a program to calculate mean & standard deviation. I sort of figured out how to find mean (it is not correct yet, so i am going to need help on this part as well) but how do you do standard deviation? import java.util.Scanner; public class …
I am trying to semi-circles and full circles in an image. This is the process I'm following : Process image (including Canny edge detection) Find contours and draw them on an empty image, so that I can eliminate unwanted components. (The processed image is exactly what I want.) Detect circles …
Hello I have a problem that is as follows. One list box with 30 perons in it and I have command(index) from a - z when I dblclick on a name it fill all the textboxes good but I will have it like when I dblclick on a name in …
I have a problem with registering a new employee for my project. It can only detect the first employeeID as an existing.. Here's my code: void registerNewEmployee(){ FILE *fp; struct employee obj; fp=fopen("data.txt","a+"); system("cls"); printf("\n\t*******************************************"); printf("\n\t*******************************************"); printf("\n\t***\t\t\t\t\t***"); printf("\n\t***\tNEW EMPLOYEE REGISTRATION\t***"); printf("\n\t***\t\t\t\t\t***"); printf("\n\t*******************************************"); printf("\n\t*******************************************\n\n"); char employeeIDNew[5]; printf("Employee Number: "); scanf("%s", &employeeIDNew); …
I am using asp.net 4.0 and c#. I have a page at work that is used one time per year by one person to run several stored procedures on January 1st. In order to make it more interesting (since she has to work every New Year's Day) I try to …
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