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  • index was outside the bounds of the array because of \n (new line) in richTextBox

    - by revvs
    If i go into the next line with richTextBox1.Text + "\n" you can't use richTextBox with anything anymore normally. Why not ? because index will be outside the bounds of the array and you won't be able to transport the data into database or work with it normally...it will be all messed up. It is like the story with cin and getline in C++, but much worse. Here you won't see errors, not until you'll try to transport it into database. If you use "\n" to write new lines into txt, your txt will be also unusable. It will look like up to the byte the same as if you would write it by hand same sentences but "\n" will fuck it up. So how do i go into the next line and not have this "\n" screwing up my program ??! How do i go into the new line ?

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  • Create set of random JPGs

    - by Kylar
    Here's the scenario, I want to create a set of random, small jpg's - anywhere between 50 bytes and 8k in size - the actual visual content of the jpeg is irrelevant as long as they're valid. I need to generate a thousand or so, and they all have to be unique - even if they're only different by a single pixel. Can I just write a jpeg header/footer and some random bytes in there? I'm not able to use existing photos or sets of photos from the web. The second issue is that the set of images has to be different for each run of the program. I'd prefer to do this in python, as the wrapping scripts are in Python. I've looked for python code to generate jpg's from scratch, and didn't find anything, so pointers to libraries are just as good.

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  • Reading another packages symbol table in Perl

    - by justintime
    I am trying to read a global symbol from another package. I have the package name as a string. I am using qualify_to_ref from Symbol module my $ref = qualify_to_ref ( 'myarray', 'Mypackage' ) ; my @array = @$ref ; gives me Not an ARRAY reference at ...... I presume I am getting the format of the dereference wrong. Here is a complete example program. use strict; use Symbol ; package Mypackage ; our @myarray = qw/a b/ ; package main ; my $ref = qualify_to_ref ( 'myarray', 'Mypackage' ) ; my @array = @$ref ;

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  • How can I edit a js file sent by the server before it gets to my browser?

    - by pstone
    During a normal browsing session I want to edit a specific javascript file before the browser receives since once it gets there it's impossible to edit. Is there are any tool for this? For what I need it I can't just save it and edit it on my disk. I'm ready to learn how to program it myself but if anyone can point out more or less what I have to do I'd be very grateful. I'd have to intercept the packets until I have the whole file while blocking the browser from receiving it any part of it, then edit it manually and forward it to the same port. I don't think I can do this by just using pcap, I've read a bit about scapy but I'm not sure if it can help me either. Thanks in advance.

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  • How to copy/install assembly in a GAC? (Some problem running NUnit)

    - by prosseek
    I have NUnit installed at this directory. C:\Program Files\NUnit 2.5.5\bin\net-2.0 I made the directory beneath a GAC. C:\Windows\Microsoft.NET\assembly\GAC_MSIL\NUnit and copied the nunit.framework.dll, but I got the same error. When I try to run my unit test (mut.dll) in some random directory. I get the following error. I have to copy the mut.dll under the NUnit directory in order to run it. ProcessModel: Default DomainUsage: Single Execution Runtime: net-2.0 Could not load file or assembly 'nunit.framework, Version=2.5.5.10112, Culture=n eutral, PublicKeyToken=96d09a1eb7f44a77' or one of its dependencies. The system cannot find the file specified. What went wrong? How can I install/copy the assembly inside a GAC?

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  • Artificial Intelligence - What to put in, or leave out, and what can be inferred?

    - by D Scott
    I was having a discussion with a coworker (while we were programming) about AI. We were talking about emotions/feelings and if you should choose to leave any out. I asked him, "Would you leave out racism or hate?" and if you did leave those out, what, if any, other emotions might lead to the AI learning the left out emotions or feelings. Should you PROGRAM in measures to stop the AI from learning those feelings? If you teach Love, does it need to know hurt? Or would it learn hurt? If it then knew Hurt would it connect it with Dislike, Hurt and Dislike could that then lead to some other non-programmed emotion? Such as hate? All while tele-commuting from home.

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  • C# Add class instance with internal timer to a static List, is it safe?

    - by CodeMongo
    My program has a static list of type classA. ClassA implements a threading timer that executes a task. The list may contain as many instances of classA as desired. Is this technique causing threading issues where the class instances can block each other? It that is the case how can I solve the that problem. ex: static List<MyClassType> list=null; void static Main() { list = new List<MyClassType>(); var a = new MyClassType(); var b = new MyClassType(); list.Add(a); list.Add(b); Console.ReadKey(); } a and b will execute theire internal task based on the timer.Is it s bsd technique? Why?

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  • Why isn't the new() generic constraint satisfied by a class with optional parameters in the construc

    - by Joshua Flanagan
    The following code fails to compile, producing a "Widget must be a non-abstract type with a public parameterless constructor" error. I would think that the compiler has all of the information it needs. Is this a bug? An oversight? Or is there some scenario where this would not be valid? public class Factory<T> where T : new() { public T Build() { return new T(); } } public class Widget { public Widget(string name = "foo") { Name = name; } public string Name { get; set; } } public class Program { public static void Main() { var widget = new Widget(); // this is valid var factory = new Factory<Widget>(); // compiler error } }

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  • Keeping Score in XNA Game

    - by Seven
    Hi. I'm following an XNA tutorial and have the following code for collision detecting (detecting when a bullet collides with a target). Basically I'm looking to increment a score variable to display the score to the screen without re-writing the whole program. No matter where I place it in this method it seems to start incrementing from the number of targets, not from zero. Is there something simple I'm missing here? Any help would be greatly appreciated. Thanks. private CollisionType CheckCollision(BoundingSphere sphere) { if (completeCityBox.Contains(sphere) != ContainmentType.Contains) return CollisionType.Boundary; for (int i = 0; i < targetList.Count; i++) { if (targetList[i].Contains(sphere) != ContainmentType.Disjoint) { targetList.RemoveAt(i); i--; AddTargets(); return CollisionType.Target; } } return CollisionType.None; }

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  • Writing an installer using codigniter

    - by RobertWHurst
    I'm just about finished my first release of automailer, a program I've been working on for a while now. I've just got to finish writing the installer. Its job is to rewrite the codigniter configs from templates. I've got the read/write stuff working, but I'd like to be able to test the server credentials given by the user without codingiter throwing a system error if they're wrong. Is there a function other than mysql_connect that I can use to test a connection that will return true or false and won't make codeigniter have a fit?

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  • Undefined reference to "func" when compiled with GCC

    - by hotlemontea
    I implement a link list in two files in linklist.h and linklist.c, and I call some functions defined in linklist.h in main function of main.c. linklist.h is included in both linklist.c and main.c. When I compile this program by GCC with Makefile, the error named "undefined reference to xxx" occurs. I think my Makefile is written correctly as below. So what is the possible reason for this linking error CC=gcc CFLAGS= -g -O2 TARGET=target OBJECTS=main.o linklist.o TARGET: $(OBJECTS) $(CC) $(CFLAGS) $(OBJECTS) -o $(TARGET) clean: rm target $(OBJECTS) main.o:linklist.h linklist.o:linklist.h

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  • See queries that hit SQL

    - by Shaded
    I have a really basic stupid easy question about sql... and I'll probably get -100 points... but here it goes anyway... Is there a way using sql 2008 Management Studio to look at the queries that hit the server? I'm trying to debug a program and I get messages like "Incorrect syntax near the keyword 'AND'". Since the queries are being dynamically generated it's a hassle to figure out what is going to the server. Any help is appreciated!

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  • multi directional scrolling site

    - by user557318
    Ive been asked if i am able to program a multi directional scrolling site like this- COS only using wordpress. Initially i thought i may be flash but the source seems like it could be simple, possibly with elements of jquery. . . . . I am unable to find any themes that even come close to it. And initially i wanted to know how it has been achieved to see if i am able to start the design work any ideas how this has been achieved. More to the point if the multi scrolling could be applied on wordpress

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  • is there an equivalent to a "Focus Listener" in Objective-C or iPhone SDK? (Coming from Java)

    - by MarcZero
    Hello. I am a student programmer who has taken up Objective-C on my free time as my college doesn't teach it. We have only used Java and basic C so far. I am in the middle of making a program for the iPod and was wondering if there was any type of way to call a method in a class similar to the way a Focus Listener does in Java? I have a view that I would like to call a refresh method (to update the newly inputted titles of buttons from another view) when the view is put at the top and visible again. Is this too easy or is there a more methodical way of doing that? I have tried to just call the method from the other view class but it does not seem to work (says the other class is either undefined or may not accept the method call and crashes on execution). Any insight would be appreciated. Thank you for your time.

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  • Script or Application that will do md5 checking

    - by shanghaiguy
    Is there a program, or a script out there that can compare the md5 checksum of files I tried to create my own, but i'm having problems with any files that have a space in them, so I was wondering if it'd be easier to just use an application. md5deep is something I downloaded that returns the checksum. rm md5mastervalue for i in `ls /media/disk`; do md5deep -rb /media/disk/$i >> md5mastervalue; done for d in 1 3 ; do cp -rf /media/disk/ /media/disk-$d & done wait rm md5valuet1 rm md5valuet3 for k in `ls /media/disk` do for f in 1 3; do md5deep -rb /media/disk-$f/$k >> md5valuet$f; done done for n in 1 3; do diff md5mastervalue md5valuet$n; done echo Finished

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  • C++ syntax of constructors " 'Object1 a (1, Object1(2))''

    - by osgx
    Hello I have a such syntax in program class Object1 : BaseClass { BaseClass *link; int i; public: Object1(int a){i=a;} Object1(int a, Object1 /*place1*/ o) {i=a; link= &o;} }; int main(){ Object1 a(1, /*place2*/ Object1(2)); ... } What do I need in place1? I want to save a link (pointer) to the second object in the first object. Should I use in place1 reference "&"? What type will have "Object1(2)" in place2? Is it a constructor of the anonymous object? Will it have a "auto" storage type?

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  • Casting in mixed type calculations in C?

    - by yCalleecharan
    Hi, If I define these variables: double x0, xn, h; int n; and I have this mathematical expression: h = (xn - x0)/n; Is it necessary that I cast n into double prior doing the division for maximum accuracy like in h = (xn - x0)/ (double) n; I wrote a program to check the above but both expressions give the same answers. I understand that C will promote the integer to double type as variables xn and x0 are of type double but strangely enough in a book, the second expression with casting was emphasized. Thanks a lot...

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  • C or C++: how do loaders/wrappers work?

    - by guitar-
    Here's an example of what I mean... User runs LOADER.EXE program LOADER.EXE downloads another EXE but keeps it all in memory without saving it to disk Runs the downloaded EXE just as it would if it were executed from disk, but does it straight from memory I've seen a few applications like this, and I've never seen an example or an explanation of how it works. Does anyone know? Another example is having an encrypted EXE embedded in another one. It gets extracted and decrypted in memory, without ever being saved to disk before it gets executed. I've seen that one used in some applications to prevent piracy.

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  • list within a list

    - by atm atm
    I'm working on this problem, but I cannot figure out the second part. I tried using reverse list but it did not work out how I planned it. Given a list L (e.g. [1,2,3,4]), write a program that generates the following nested lists: L1 = [[1],[1,2],[1,2,3],[1,2,3,4]], L2 = [[4],[3,4],[2,3,4],[1,2,3,4]]. My code that I have so far: mylist=[,1,2,3,4] print("Orginal list L=",mylist) n=len(mylist) l1=[] l2=[] for x in range(1,n+1,1): l1.append(mylist[0:x]) print("L1=",l1) #prints final product of l1 mylist.reverse() #this is where i get messed up for x in range(1,n+1,1): l2.append(mylist[0:x]) print("L2=",l2)

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  • What happens if you break out of a Lock() statement?

    - by cyclotis04
    I'm writing a program which listens to an incoming TcpClient and handles data when it arrives. The Listen() method is run on a separate thread within the component, so it needs to be threadsafe. If I break out of a do while loop while I'm within a lock() statement, will the lock be released? If not, how do I accomplish this? Thanks! (Any other advice on the subject of Asynchronous TCP Sockets is welcome as well.) private void Listen() { do { lock (_client) { if (!_client.Connected) break; lock (_stateLock) { if (!_listening) break; if (_client.GetStream().DataAvailable) HandleData(); } } Thread.Sleep(0); } while (true); }

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  • WMI instrinsic events. Resources

    - by Nickolodeon
    Hi. I subscribe to usb inserted event like this select * FROM __INSTANCECREATIONEVENT WITHIN 3 WHERE TARGETINSTANCE ISA Win32_DiskDrive After inserting usb flash it blinks every 3 seconds. This is polling interval and intrinsic events work by polling object that's in query. Now, we know these types of events may be resource expensive. (Putting value greater then 3 sometimes chokes these events and client program doesn't get notified). Are there other ways to do that, so that usb doesn't get scanned all the time? May be there some extrinsic events available? Right now the only solution I see is to unsubscribe from event above once it trigerred and resubscribe to it in __INSTANCEDELETIONEVENT handler. Hm, althought deletionevent will also poll diskdrive controllers(

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  • A Form(?) appears briefly outside of Form1 when adding a control to it

    - by ispiro
    I have a program which creates new Controls (actually - Form's with TopLevel = false) and puts them on a Panel which is on Form1. For some reason, this is usually followed by what seems like a Form appearing very briefly outside of Form1. It's hard to tell exactly what's happening because it's so brief. Perhaps it's Form1 moving there (and changing its size) and then returning. Or perhaps it's the Form that's being put on Form1 that appears there (though how could that happen at all? It's out of Form1!). I couldn't find anything in the code that might cause it, and the whole code is way too long to post here. (The relevant code is simply: MyPanel.Controls.Add(newForm);.) Is there any known bug that might cause this?

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  • Why does the compiler complain "while expected" when I try to add more code?

    - by user1893578
    Write a program with a word containing @ character as an input. If the word doesn't contain @, it should prompt the user for a word with @. Once a word with @ is read, it should output the word then terminate. This is what I have done so far: public class find { public static void main(String[] args) { System.out.println(" Please enter a word with @ "); Scanner scan = new Scanner(System.in); String bad = "@"; String word = scan.next(); do if (!word.contains(bad)) System.out.println(" Please try again "); else System.out.println(" " + word); while (!word.contains(bad)); } } I can get it to terminate after a word containing "@" is given as input, but if I try to add a Scanner to the line after "please try again", it says while expected.

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  • iphone UIPicker question

    - by Rob
    I have a picker that prompts the user to choose a gender and an age group (17-21, 22-26, etc.) These 2 choices determine which view the user will be brought to after pressing the button, but I am having troubles writing the method for that button. The code I have so far is this: - (IBAction) buttonPressed { NSInteger genderRow = [genderPicker selectedRowInComponent:0]; NSString *genderSelected = [genderPickerData objectAtIndex:genderRow]; NSInteger ageRow = [agePicker selectedRowInComponent:1]; NSString *ageSelected = [agePickerData objectAtIndex:ageRow]; if (genderSelected == "Male" && ageSelected == "17-21") { Calc2ViewController *calc2ViewController = [[Calc2ViewController alloc] initWithNibName:@"Calc2View" bundle:[NSBundle mainBundle]]; [self.navigationController pushViewController:calc2ViewController animated:YES]; [calc2ViewController release]; calc2ViewController = nil; } } When I run the program, and select these 2 groups (Male and 17-21) - nothing happens. What am I missing?

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  • PHP setcookie warning

    - by Ranking
    Hello guys, I have a problem with 'setcookie' in PHP and I can't solve it. so I receive this error "Warning: Cannot modify header information - headers already sent by (output started at C:\Program Files\VertrigoServ\www\vote.php:14) in C:\Program Files\VertrigoServ\www\vote.php on line 86" and here is the file.. line 86 is setcookie ($cookie_name, 1, time()+86400, '/', '', 0); is there any other way to do this ?? <html> <head> <title>Ranking</title> <link href="style.css" rel="stylesheet" type="text/css"> </head> <body bgcolor="#EEF0FF"> <div align="center"> <br/> <div align="center"><div id="header"></div></div> <br/> <table width="800" border="0" align="center" cellpadding="5" cellspacing="0" class="mid-table"> <tr><td height="5"> <center> <table border="0" cellpadding="0" cellspacing="0" align="center" style="padding-top:5px;"> <tr> <td align="center" valign="top"><img src="images/ads/top_banner.png"></td> </tr> </table> </center> </td></tr> <tr><td height="5"></td></tr> </table> <br/> <?php include "conf.php"; $id = $_GET['id']; if (!isset($_POST['submitted'])) { if (isset($_GET['id']) && is_numeric($_GET['id'])) { $id = mysql_real_escape_string($_GET['id']); $query = mysql_query("SELECT SQL_CACHE id, name FROM s_servers WHERE id = $id"); $row = mysql_fetch_assoc($query); ?> <form action="" method="POST"> <table width="800" height="106" border="0" align="center" cellpadding="3" cellspacing="0" class="mid-table"> <tr><td><div align="center"> <p>Code: <input type="text" name="kod" class="port" /><img src="img.php" id="captcha2" alt="" /><a href="javascript:void(0);" onclick="document.getElementById('captcha2').src = document.getElementById('captcha2').src + '?' + (new Date()).getMilliseconds()">Refresh</a></p><br /> <p><input type="submit" class="vote-button" name="vote" value="Vote for <?php echo $row['name']; ?>" /></p> <input type="hidden" name="submitted" value="TRUE" /> <input type="hidden" name="id" value="<?php echo $row['id']; ?>" /> </div></td></tr> <tr><td align="center" valign="top"><img src="images/ads/top_banner.png"></td></tr> </table> </form> <?php } else { echo '<font color="red">You must select a valid server to vote for it!</font>'; } } else { $kod=$_POST['kod']; if($kod!=$_COOKIE[imgcodepage]) { echo "The code does not match"; } else { $id = mysql_real_escape_string($_POST['id']); $query = "SELECT SQL_CACHE id, votes FROM s_servers WHERE id = $id"; $result = mysql_query($query) OR die(mysql_error()); $row = mysql_fetch_array($result, MYSQL_ASSOC); $votes = $row['votes']; $id = $row['id']; $cookie_name = 'vote_'.$id; $ip = $_SERVER['REMOTE_ADDR']; $ltime = mysql_fetch_assoc(mysql_query("SELECT SQL_CACHE `time` FROM `s_votes` WHERE `sid`='$id' AND `ip`='$ip'")); $ltime = $ltime['time'] + 86400; $time = time(); if (isset($_COOKIE['vote_'.$id]) OR $ltime > $time) { echo 'You have already voted in last 24 hours! Your vote is not recorded.'; } else { $votes++; $query = "UPDATE s_servers SET votes = $votes WHERE id = $id"; $time = time(); $query2 = mysql_query("INSERT INTO `s_votes` (`ip`, `time`, `sid`) VALUES ('$ip', '$time', '$id')"); $result = mysql_query($query) OR die(mysql_error()); setcookie ($cookie_name, 1, time()+86400, '/', '', 0); } } } ?> <p><a href="index.php">[Click here if you don't want to vote]</a></p><br/> <p><a href="index.php">Ranking.net</a> &copy; 2010-2011<br> </p> </div> </body> </html> Thanks a lot!

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