Is this try catch block enough to ensure the process ran successfully? protected boolean attemptLaunch() { try { System.out.println("Attempting to open '" + name + "'."); //Try to open the Process new ProcessBuilder(path).start(); return true; } catch (IOException e) { System.out.println("Opening failed. Will retry during next Iteration."); return false; } }

Member Avatar
Member Avatar
+0 forum 3

Are exceptions standardized in C++? I mean if the rules of exception handling might be changed in the future. i.e: int Funct1(int) throw(); // does it throw an exception?

Member Avatar
Member Avatar
+0 forum 3

Hi. Our homework is to use try...catch block in our calculator applet. I don't understand why the "catch" does not work. It will always go straight to the "finally". Here's the code: import java.applet.*; import java.awt.*; import java.awt.event.*; import java.awt.Label; import javax.swing.*; public class clsCalculator extends Applet implements ActionListener { Label lblTitle= new Label("Standard Calculator"); Label lblFirst=new Label("Enter 1st Number: "); Label lblSecond=new Label("Enter 2nd Number: "); Label oper=new Label("Click the Operation: "); Label ans=new Label("The Answer is: "); TextField txtFirst = new TextField(5); TextField txtSecond = new TextField(5); TextField txtAns = new TextField(5); Button btnPlus=new Button("+"); Button btnSub=new Button("-"); …

Member Avatar
Member Avatar
+0 forum 3

I'm using VS 2012 and coding a try/catch block in an MS Access database project, but VS says OleDbException is not defined (see line 3 in the code). Anyone know why? I got some of this code from [here](http://social.msdn.microsoft.com/Forums/en-US/Vsexpressvb/thread/c822d48c-fd90-44a1-a186-a15e16966233/), and according to MSDN OleDbException is valid in vb.net Try data_adapter.Update(CType(binding_source.DataSource, DataTable)) Catch ex As OleDbException MsgBox("ERROR:" & ex.Source & " " & ex.Message, MsgBoxStyle.OkOnly) End Try

Member Avatar
Member Avatar
+0 forum 4

Hi everybody, i have problem in my php code (it just showing nothing....means no error no results).......can anybody tell me what is wrong with this code.....i'm new to PHP........here is my code <?php try { $config=array( 'DB_USERNAME'=>'root', 'DB_PASSWORD'=>'' ); $conn=new PDO('mysql:host=localhost;dbname=scc',$config['DB_USERNAME'],$config['DB_PASSWORD']); $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); echo rand_id(); } catch(Exception $e) { echo 'error: '.$e->getMessage(); } function rand_id() { $id=rand(1200,9600); $results=$conn->query("select * from student_personal_info where id='".$id."'"); if($results->rowCount()>0) { rand_id(); } else { return $id; } } ?> plz help me waiting for reply..................

Member Avatar
Member Avatar
+0 forum 7

Hey everyone! Happy New Year! I am trying to hone my programming skills by writing simple applications. I created a very simple currency converter program (hard-coded exchange rates....so nothing special). I first created it as a console app, and then in WPF. Anyway, I ran into an issue with the textbox that takes input. I wasn't sure what would be the best way to keep letters from being entered. After looking online at regular expressions, I wrote a basic regex using an if statement to keep invalid input from being entered: `[a-zA-Z+!@#$%^&*()]` If the input has letters, then a messagebox …

Member Avatar
Member Avatar
+0 forum 3

I am pretty new to programming in VB.Net, but I have been programming in other languages for a couple of decades now, including VB5/6 and C++. When I am using a **Try** - **Catch** block to handle exceptions, what is the point of a **Finally** section? Wouldn't it be just the same as putting code after the **End Try**? So why use a **Finally** section because it looks like it just gets executed after everything else in the block, which is the same behaviour as code after the **Try** - **Catch** block.

Member Avatar
Member Avatar
+0 forum 4

Hi, If I have a value inside the try{} how can I read it outside, is it possible try { int num=0; }

Member Avatar
Member Avatar
+0 forum 1

hello, I am lik 98% done with this assignment where the user enters a number, and then it will output if you guessed the right number, or if you have any matching digits, so for example, the if the random number is 24 and the user inputs 20 it should say, incorrect (1match) etc.. but for some reason after I added this try catch to handle non numerical inputs, it will not evaluate the ones place digits correctly, so now if the random number is 54 if 24 is entered it dosnt show the match.. here is my code-- any …

Member Avatar
Member Avatar
+0 forum 9

I am trying to catch error on file input/output. The try functions works fine but as it pass to the next line my code breaks. How can I exit gracefully when the 'infile' doesnt exist? [CODE] try: infile = open ('Book1.txt', "r") except IOError: print "input file %s is missing" %'Book1.txt' tex1 = infile.readline() outfile = open ('Book11.txt', "w") while tex1: rfields = tex1.split() # do something print >> outfile, 'something' outfile.close() infile.close()[/CODE] the error message I got: input file Book1.txt is missing Traceback (most recent call last): File "D:\pythonLearing\trial.py", line 11, in <module> tex1 = infile.readline() NameError: name 'infile' …

Member Avatar
Member Avatar
+0 forum 3

hi, i have this jquery page that is included in an html file and in that file i have a function with .dialog() i want to open a normal pop up if this dialog doesn't work.. i was wondering how ca i do this... will try() catch() work on this..? appreciate replies , thanks in advance.

Member Avatar
Member Avatar
+0 forum 4

The End.