95 Discussion / Question Topics
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Hiya, I know it is possible to auto generate prepared statements based on table column names and numbers. But how to achieve it ? I have many tables and I want to allow visitors to be able to search these tables. Now, if I have 20 different tables, I do … |
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Hi, I got this long version code: ```` if(ISSET($_GET['limit'])) { $limit = intval($_GET['limit']); } else { $limit = intval(1); } ```` I can shorten it, like this and it works: ```` $limit = ISSET($_GET['limit'])?intval($_GET['limit']):1; ```` Now add an echo and try shortening it. And I get error. I got this … |
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Can a else if, or else statment contain a condition ? If the condition is not meet then, nothing happens other wise one of the else if or if statements is read ? |
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Hello Everyone, it seems that I cannot see the wood for the trees.... :-) I am having problems with this line of code... StateSQL = "select * from petrol_table where fueldate >= " & "'" & M12S & "'" & " and fueldate < " & "'" & M12F & … |
hello everybody...nice to back again i m working on project to calculate measures and numbers and insert data inside datagridview(dgv) from number.text and measure.text but if value of measure.text present in dgv son update number cell with new value + present value problem is how to do so.... i tried … |
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Hello, I am getting a bit confused regarding apostrophes in my SQL statement. I can get it to work but I would like to understand why it works when it does or, conversely, why it doesn't work when it doesn't. If you know what I mean. Anyway - here goes: … |
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Im new to PHP, i just want to know if theres any rule in php in terms of single statement multiple lines. for example in VB.Net we uses "&_"(w/o the quote) to tell vb.net that it is a single statment and it has a continuation. is there any in php? … |
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I have three tables i want to search for customer data depending on the equipment type. $test = "SELECT custid, equipment FROM customer WHERE custid='$id'"; $data = @mysqli_query ($dbcon, $test); $equip = mysqli_fetch_array($data, MYSQLI_ASSOC); if($equip['equipment'] = "cellphone" ){ // Make the query: $q = "SELECT custid, cdate, custName, customer.equipment, customer.manufacturer, … |
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I have a table that logs customer data but i want to search for the customer, upon finding that customer i want to click on the name and find it in another table that store other data. But here is where i am stuck i want to check which table … |
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I am preparing for my exams and i just found this question from previous question papers: Give the C Expression for the following algebric expression : 1. ab^4c^2-d/m-n 2. ab-[{(e+f)^9}/c}] Please help me as i am preparing for my exams and haven't read this topic yet. help plz |
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public class SongIterator<T,L> implements Iterator<Song<T, L>> {} |
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Alright I apologize for the completely uninformative title but i had no idea what to call it. Basically I have an array with multiple values and I only want information to be sent from certain forms if a certain value is met in the array. <?php if(isset($_POST['cb1'])) { $cb1 = … |
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write a c++ class run that contains followin data member 1)name of runner. 2)distance covered by runner. class ha following member function 1)get function for input runner name and distance. 2)show function to display runner name and distance. the user should be able to show the name of the runner … |
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Hi,I am a beginner in php. And I am trying to create this php program where a user selects a picture and it displays it! Theare is an input page which is html and an processing page which is php! I seemes to have a problem in the processing page … |
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Hi all, I have to update some classic ASP code and I need to add an if statment to compare if a uppercase value is == "N/A" and to compare value with request("productLink") line 8 and if it is it should by pass validation on line 16. Any further information … |
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I want to make and If statement which will work when a double "credits" is between 1 and 9. But I'm not sure how to. Will If (1 <= credits => 9) Then Work? |
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I only have experience using pretty basic Oracle. However, I'm now in need of a better understanding of SQL. I'm trying to write a query using CASE statements (as this seems to be the best approach), but am admittedly lost at the moment. Here is what I have as a … |
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One thread increases an integer named "counter" , and another decreases the same integer. Using synchronized statement on LockObject to control access to counter. If i understand correctly i have to use an Object reference. Can i use synchronized statement on counter somehow? public class Synchronized_Block_Demo { public static int … |
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Hi All, I have a Jtable with six columns. I am displaying the contents of my database into my Jtable. Its working fine. But I am facing trouble updating the changes done in Jtable cells to appropriate database cell. In the below code when I tried to edit the First … |
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Hi everyone I'm studying the part about while-statement but I don't understand the explanation in the book really well and the example doesn't work for me so I can't see it with my own eyes how it works. Can someone explain what the while-statement means and does? Also can you … |
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There's a error when I run this jsp file --> **" pstmt.executeUpdate();".** **"org.apache.jasper.JasperException: An exception occurred processing JSP page /TestAdd.jsp at line 39"** My code essentially have a text box for users to enter a value, and then the value is sent to the MySQL database. Any help is appreciated … |
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!! i was trying to create a simple grading system but my project doesnt work it always shows the last if statement and ignore the other statement...please help here's my code...can someone please tell me what's wrong coz i dont know how to use if/elseif/else statement... newbie here...please help Private … |
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import java.io.*; import java.util.*; class Q9 { public static void main(String args[]) { int a,b,c; System.out.println("\n\t Enter the value of A,B & C "); Scanner sc = new Scanner(System.in); a = sc.nextInt();b = sc.nextInt(); c = sc.nextInt(); System.out.println("\nLargest = "+func(a,b,c)); } public static int func(int a,int b,int c) { if((a>=b)&&(a>=c)) … |
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I just wanna ask what's wrong with my code it says syntax error on INSERT STATEMENT but I can't find the error @.@ Try Using conn As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & System.Environment.CurrentDirectory & "\employeedb.mdb;") conn.Open() Dim command As New OleDbCommand("INSERT INTO employees (first_name, last_name, MI, address, age, contact, status, department, … |
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Im doing a reservation site for a project. And Im trying to disable radio button(s) if the sql statement returns true. Example: User selects a date and a time, and radio button(s) would be disable depending on database. So far, I have this: $result=mysqli_query($mysqli,"SELECT tableselect FROM reserve WHERE reserveDate = … |
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This code works fine but it would be too long if the score is 50 or over. Is there any way to make it shorter and quicker? I tried to use for loop statement but it didn't work well. background(backgroundChange); if (score >= 5 && score < 10) backgroundChange-=0.8; else … |
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class Emp { int name, emp_no, addrs, ph_no, deprtmnt, post, project; Emp(int a, int b, int c, int d, int e, int f, int g) { name=a; emp_no=b; addrs=c; ph_no=d; deprtmnt=e; post=f; project=g; } Emp(int a, int b, int c, int d) { name=a; emp_no=b; addrs=c; ph_no=d; } Emp(int a, … |
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# how to validate sql statement 1. hi, is there anyone who can help me in my problem? sql = "SELECT UserID, Status FROM tbl_User WHERE UserID = '" & strUserID & "' and Password = '" & strUserPW & "' " i want to validate my sql statement using … |
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As someone who is new to Javascript, I find it kind of odd that Javascript doesn't seem to have a != operator. Is there a rationale why the language was designed this way? |
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I'm working on a static method that I want to use to query mysql; I'd like the option of handing a char in but I'm only seeing string or int, what if I want to use a wildcard? '_' or an int '1', anyone have a clever solution? |
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