64,152 Solved Topics
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| | class ThreeException extends Exception { /** * */ private static final long serialVersionUID = 1L; static int count = 0; public static void main(String[] args) { while(true){ try{ if(count++ == 0) throw new ThreeException(); System.out.println("No Exception"); } catch(ThreeException e){ System.err.println("Three Exception"); } finally { System.err.println("In finally clause"); if(count == 2) … |
| | So, i wanna try graphics, and i was wondering if sfml or sdl is better? I cant find any good tutorials on sfml and its kinda confusing. i havent used sdl so im asking your opinion. and also, **What did you start off with, and why?** |
| | Hey guys I'm having a minor issue here, I'm having an issue with my sterling.cpp in the add functions sterling add(sterling s1, sterling s2) my question is how do I get it to realize when my shillings is > 20 to goto pounds and when my pence is > 12 … |
| | I have read online that the CalendarExtender doesn't trigger a postback when inside an UpdatePanel. My page is similar to this: <UpdatePanel> <ContentTemplate> <UserControl /> </ContentTemplate> </UpdatePanel> Inside the UserControl is a textbox that has a CalendarExtender hooked to it. It causes a postback even to be triggered, so my … |
| | Hey, I'm using Addins to loop through access forms and create an equivalent to access controls and add them to the active window if it was a form , the only problem I'm facing is my access form language differ's from the default language for windows form application , is …  |
| | Hello Daniwebbers I have a 2 dimentional control array which gets added to it programatically. There's a lot to add to it but i have already stumbled at the first hurdle. I keep getting the standard "Object reference not set to an instance of an object." error when the first … |
| | #Code for INSERT INTO into database and if fields are null, it will prompt for null fields.# |
| | Hi, I am trying to validate an XML file against a schema, which i can achieve without issue normally, however, in this particular schema, there is an imported namespace, that appears to be preventing the validation from happening, as the error being returned is pointing to node of the elements …  |
 | Hi there, quick question about onchange method usage. I have a couple of checkboxes and when I check/uncheck them I want a function to be called, therefore I have decided to use the onchange method. But I am not sure I get how this works. Take the following example: HTML … |
 | Hiya, Andre kindly showed me how to put my points into a listbox and sort in numerical order decending. I need a way, (Perhaps another list box) of adding a string, (Players Name) next to the points after they are sorted so we can clearly see who's first etc. Here's …  |
 | Hello everybody! I'm currently creating my first employee monitoring system here in Visual Basic 6. I have a problem with regards to my program, it has an error of no value given for one or more parameters. The code that I will show here is just a part of my … |
 | Hello i have a datatable |row|col2|col3|col4|col5| | 1 | val| val| val| val| | 2 | val| val| val| val| | 3 | val| val| val| val| | 4 | val| val| val| val| | 5 | val| val| val| val| | 6 | val| val| val| val| | 7 … |
| | Hi, I don't know what happen all a suden but all my textfiels variable are now underline in red. I have : st.setString(1, t1.getText()); st.setString(2, t2.getText()); st.setString(3, t3.getText()); Where t1,t2 and t3 are my textfields variable name but is says cannot find symbol. Everything was working fine, I don't understand …  |
| | Dear all, I have stuck with one problem. I have taken one Hashmap, Performing some input operation,remove operation on it. So after performing remove operation, i want value of 2 successive key in two different array. Also i want to match 1st key's value with all other keys' value. Like … |
 | Hi all. This regards chapter 6 of "Accelerated C++". The program is intended to scan a document and find all the urls in it. I am testing it with just one string input "text http://www.page.com more text". The program is compiling but doesn't run beyond me entering the input. I … |
 | Sorry people but I'm really struggling with this and I don't know why... but still. I have a stored unix timestamp. [a] I have the current timestamp not in unix format (YYYY-MM-DD HH:MM:SS) [b] I need to: 1) convert the current timestamp [b] into a unix timestamp 2) I need …  |
| | Having a hard time getting this to work. options = [ 'option 1', 'option 2', 'option 3' ] for x in range(len(options)): Opt = str(x + 1) print('(' + Opt + ')', options[x]) while True: try: playerOpt = int(input('input ')) check = 'fail' for x in range(len(options)): Opt = x … |
 | Hello, i got this error when i click my button save. Error: .Net SqlClient Data Provider: Conversion failed when converting datetime from character string. please help me... this is my save button code: Private Sub btnSimpan_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSimpan.Click Dim check As Integer Dim … |
 | Can my dropdown menu produce a link instead of textbox? Is it possible? If so, how? <script type="text/javascript"> function fifa() { var frm = document.forms[0]; var abc = frm.browsers.value; if (abc === "A") frm.text1.value = "https://ical.bookeo.com/20212KWWNLA1396F7FEA1BWFW3J6/LHRAKRK63FAMPJP6/Z/I212JNW9WR139D70085E3/ical.ics"; else if (abc === "B") frm.text1.value = "https://ical.bookeo.com/20212KWWNLA1396F7FEA1BWFW3J6/LHRAKRK63FAMPJP6/Z/I21263C4FA139C15D7BAC/ical.ics"; else if (abc === "C") frm.text1.value … |
| | Hi! I have a beginners problem I really need some help with. First of all, here is my current program: def texten(): filehandle=open ( 'savetonight.txt', 'r' ) text=filehandle.read() return text def smabokstavertext(): texten() print text.lower() I basically want my function smabokstavertext() to call the first function texten() and then print … |
| | Hi I'm trying to learn how to create a random page using `rand() function` but also using the `$num` to `switch` each page. Is there a way to click a button? I only used the `Refresh Button` on Firefox. Plus it's not really display the data but only page name … |
 | Hello, Im a student doing my final year mini project and am facing a problem related to searching data in the datagrid. The error im getting is : > Run-time error : '3001' > Arguments are of wront type, are out of acceptable range, or are in conflict with one … |
 | i want to take the 1st argument from commandline, ie argv[1] and assign it to a `char target[80]` i know im making some very stupid beginer mistakes... but just cant understand what :( this is my code: #include <stdio.h> #include <string.h> void converge(char *targ, char *src); int main(char *argc[],char *argv[]) … |
| | Can anyone HELP me for my problem .. Im a newbie in python ! I want to create a script to rename files in a dir. that dir has 400 files .png .. startswith 001.png , 002.png to 400.png ! I want to rename them startswith 000.png to 399.png .. …  |
 | Hey, I'm running a mysqli query, and would like to run a script if the query returns no results. this is my code <?php $SM_pro_info="SELECT * FROM special_marketing_ads ORDER BY id desc LIMIT 4"; $QSM_pro_info = $db->query($SM_pro_info)or die($db->error); $SM_pro=mysqli_fetch_array($QSM_pro_info); if($SM_pro){ while($SM_pro=$QSM_pro_info->fetch_object()){ ?> <table width="208" border="0"> <tr> <td width="129" height="35" align="right"><span …  |
| | Hi, How can I detect new line from string. I tried Environment.NewLine but its not working. Initially I tried to replace it directly but it was not working after I tried to detect new line. Then I came to know that its not detecting new line. As temporary solution I … |
| | I'm trying to figure out how to use '%s'. I looked it up in the python docs but it never actually shows how to use it. This is the line I'm working on right now just to figure it out. It is the first one of different variations where the … |
| | import java.io.*; public class Mac extends Laptop { public static void main(String r[]) { new Mac().crunch(); } //insert code here } class Laptop { void crunch() throws IOException { } } The question is simple. Insert a code that will make the program compile. Answers are: `void crunch()` or `void … |
| | I use dr java for linux to run my code. I've been running into a bunch of errors recently while running this simple program. The code compiles fine but whenever I run the java file, I get the error; Static Error: Undefined name here's my code; (I've got two files, …  |
| | Hi, I'm using InvisionPB to construct a query and basically generate a custom table. The following is what I have. I can get the query to echo prior to the switch/case but can't get it to display within the case itself. Any ideas? $this->DB->build( array( 'select' => "m.name", 'from' => … |
| | Hi I am trying to write a small C++ program using nested loops so that when the program executes I have the following output displayed [code]** **** ****** ******** ********** ************[/code] Here is the code I have written. I seem to be having a problem with proper loop execution. I … |
| | Hi, i need to create a binary matrix (one which elements can only be 1 or 0) in openCV. The nearest that I was getting is creating a matrix which elements are 8-bit values using the CV_8UC1 dataType. There must be another dataType which specifies that the matrix elements are … |
| | Hello, I'm trying to create exchange rates list with the data source of my National Bank, and my national Bank make it very complicated, data are stored with SOAP, and first of all I made rate.php that pull and show all data from web service od National Bank but like … |
| | i have tried hard but dont know wy im getting this error , error comes in line 8 class CPop { CBSVector<CTour> pop; CBSVector<double> probability; int popsize; double TotalFitness; CTour Elite; **CTspGAParams GAParameters;** } error C2059: syntax error : 'constant' error C2238: unexpected token(s) preceding ';' [POP]// Pop.h: interface for … |
| | I've playing with pygame a little and reading about it and i tried to make a simple rock paper scrissors game. I can't seem to get fullscreen working. Everything i've tried or read didnt work. Can u please help me? thanks |
| | Hello guys I want to make my file upload form appear similar on all browser.I current use the code below.This will show differently depending on browser <form action="upload.php" method="POST" enctype="multipart/form-data" > <input type="file" name="image"/> <p><button name="submit" type="submit"></button></p> This is not a secret to anyone:D How can i make the following … |
 | Is there anyway on how can i get a more accurate coordinates? i'm doing a project for our school, the problem is i dont know how to get the right coordinates that i would like to create. Thanks in advance :) |
| | Hey, I want help guys ! I'm trying to create some kind of user control to be used as mdi container, I'm trying to create something like access form where you can create a subform within a form and then load another form into this subform. can anyone guide me … |
 | Can anyone teach me how to remove the background image in the form? i am trying to create a system that willn change its background color using option buttons but with the background image in place, the change in back color is not visible........ Please help me. Your immediate reply …  |
| | Hi all, In the program I'm working on, I am making a form that submits data to an Access 2007 database. I can connect to the database fine and run a select query, but when I try an insert query I get an error: "statement contains the following unknown field …  |
| | Hi, I'm working on a site and but have come to an halt. http://adam.synology.me/help1.png today I have a dropdown list (circled in red) which lets the user choose a row of data from my database to visualize in the area to the right in various graphs and such. I would … |
 | Through using Visual Studio to learn more about ASP.net and VB.net I would like to connect to a database. I create an .mdf database file but I've no idea how to connect to it (well, I have some code below...) that's not my only problem but I'll ask the next …  |
 | Not sure if this can be done. There are word files in a directory with all familiar names. i.e. fr001, fr002, fr003, etc... all with the extension .doc. I would like to know is there a code that will link an excel file to a directory and then be able … |
 | Hi. I have some trouble understanding the linking process and hence this related question. Lets say I need a global variable that is needed by every single source file in my project. I would create a `constants.h` header and put `extern const int var;` in it. In corresponding source, `constants.cpp`, …  |
 | Good day, Is it possible to create a simple entity framework system withou using DAL? or maybe context? direct connection? let say, i want to extract all my record in gridview. //assume that this is my formload protected form_load() { if(!isPOstBack) { getAllRecord(); //mymethod to call the data taht will … |
| | I have just started learning java and made an first mathematical interactive program which I wanted to distribute with my friends . But I am unable to run the .jar file . I do the following , I click on export - Runnable.jar - Main.class and select the other options … |
 | Hello I'm not new to C++ programming, but I have a question for you guys and gals :) So the code below compiles fine (due to that ugly workaround in main func), but that makes d_copy.field2 unitialized (0xCC bytes in MSVC). How would you change the code to make d … |
| | Hi I'm trying to figure out how to `<input> $radius` and `echo $pi` without using a **DB**. This is a simple example how this calculate `$pi` which you can run and see how it works: <?php $pi = "3.1415927"; $radius = 8; echo $pi * ($radius * $radius); ?> The … |
 | I am not sure how to explain this so I will give an example. If I were to have two arrayList like the one listed below: ArrayList<String> java = new ArrayList<String>(); java.add("1"); java.add("2"); java.add("2"); java.add("4"); ArrayList<String> lava = new ArrayList<String>(); lava.add("0"); lava.add("2"); lava.add("5"); lava.add("4"); how would i remove the duplicates, … |
| | Good evening all, Currently I am working on a program that will automate the backup/restore jobs at the place I work. The rough work has been done, but I am somewhat concerned about the possibility of massive IO operations due to the way my program works. Here is the scenario: … |
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