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  • List to TreeSet conversion produces: "java.lang.ClassCastException: MyClass cannot be cast to java.l

    - by Chuck
    List<MyClass> myclassList = (List<MyClass>) rs.get(); TreeSet<MyClass> myclassSet = new TreeSet<MyClass>(myclassList); I don't understand why this code generates this: java.lang.ClassCastException: MyClass cannot be cast to java.lang.Comparable MyClass does not implement Comparable. I just want to use a Set to filter the unique elements of the List since my List contains unncessary duplicates.

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  • Cocoa NSStream TCP connection to FTP

    - by Chuck
    Hi, I'm new to Cocoa, but not to programming. Recently I decided I wanted to write a FTP client for Mac, and so I first made it in the language I'm most comfortable in (on Windows), and then moved on to Cocoa when I had the workings of FTP communications down. My question is (apparently) a bit controversial: How do I establish a read/writeable connection to (a ftp server)? What I have so far (non working obviously): NSInputStream *iStream; NSOutputStream *oStream; NSHost *host = [NSHost hostWithAddress:@"127.0.0.1"]; [NSStream getStreamsToHost:host port:3333 inputStream:&iStream outputStream:&oStream]; // ftp port: 3333 [iStream retain]; [oStream retain]; [iStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode]; [oStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode]; [iStream setDelegate:self]; [oStream setDelegate:self]; // which is not implemented apparently [iStream open]; [oStream open]; // .... [iStream write: (const uint8_t *)buf maxLength:8]; Which is partially based on http://developer.apple.com/mac/library/documentation/cocoa/Conceptual/Streams/Articles/NetworkStreams.html Now, why have I chosen NSStream? Because while this question is merely about how to connect to a FTP stream, my whole project will also include SSL and as far as I've been able to search here and on google, NSStream is capable of "switching" to a SSL connection. I've not been able to see the connection being made (which I'm usually able to do), but I also heard something about having to write to the stream before the stream will open? Any pointers are greatly appreciated, and sorry if my question is annoying - I'm new to Cocoa :)

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  • How to reference both ASSEMBLYVERSION and ASSEMBLYFILEVERSION?

    - by Chuck
    I need to display both the AssemblyVersion and the AssemblyFileVersion. In AssemblyInfo.cs, I have: [assembly: AssemblyVersion("1.0.*")] [assembly: AssemblyFileVersion("2009.8.0")] However, I only get "2009.8.0" when I reference the above with: public class VersionInfo { public static string AppVersion() { return System.Diagnostics.FileVersionInfo.GetVersionInfo(System.Reflection.Assembly.GetExecutingAssembly().Location).FileMajorPart + "." + System.Diagnostics.FileVersionInfo.GetVersionInfo(System.Reflection.Assembly.GetExecutingAssembly().Location).FileMinorPart + "." + System.Diagnostics.FileVersionInfo.GetVersionInfo(System.Reflection.Assembly.GetExecutingAssembly().Location).FileBuildPart; } } How can I display both values? Thanks.

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  • Git-svn branch hoses dcommit when using an odd branch structure

    - by Chuck Vose
    I had a boss, past-tense, who decided to put svn branches in the same folder as trunk. Normally, this wouldn't affect me that much but since I'm using git-svn things are going so well. After I did a fetch it created a folder for each branch in my root folder so I have three folders, drupal, trunk, and client. The drupal folder is git's master branch, client and trunk are the svn branches. Merging and committing works great, in fact everything git related is working superb. However dcommit is totally hosed, it's trying to commit a folder called client and one called trunk. I can't even imagine what havoc this would cause for svn later on. So my question is, what have I done wrong in my .git/config and is there anything I can do to fix this or am I going to have to suffer and go back to using svn? Please don't make me go back. I don't think I can take it anymore. Bastard boss knows how to leave a legacy. [svn-remote "svn"] url = https://svn.mydomain.com/svn/project_name fetch = trunk:refs/remotes/trunk branches = *:refs/remotes/* tags = tags/*:refs/remotes/tags/* Normally the branches line would look like this (when using --stdlayout): branches = branches/*:refs/remotes/branches/* ls output is thus: $ ls client/ docs/ drupal/ sql/ trunk/

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  • WPF Binding Question - Change Label Text based on Modifier Key Control

    - by Chuck Savage
    I have a context menu, that I'd like to change the Header based on whether the Control Key is pressed or not. Right now I have, <MenuItem Header="Send To"> <MenuItem ... /> <MenuItem ... /> </MenuItem> I'd like based on the Control Key being down to be, <MenuItem Header="Move To"> <MenuItem ... /> <MenuItem ... /> </MenuItem> All I really need to do is change the Header text, because inside the code I know how to check for the Modifier key being Control.

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  • Raw FTP SSL with C#

    - by Chuck
    Hi, I'm trying to understand how SSL works. In my wish to make a small FTP client which supports SSL I've run into some problems: TcpClient FtpConnection = new TcpClient(FtpServer, FtpPort); NetworkStream FtpStream = FtpConnection.GetStream(); StreamReader FtpReader = new StreamReader(FtpStream); FtpWriter = new StreamWriter(IrcStream); send_cmd("AUTH SSL"); send_cmd is just a FtpWriter.WriteLine(text); FtpWriter.Flush(); function. My "problem" is this: First I need to make a (non-ssl) connection to the FTP, then tell it to do a ssl connection (AUTH SSL), and I would guess I then need to make a new connection - something like: TcpClient client = new TcpClient(FtpServer, FtpPort); SslStream sslStream = new SslStream(client.GetStream(), false, new RemoteCertificateValidationCallback(ValidateServerCertificate), null); try { sslStream.AuthenticateAsClient("foobar"); } catch (AuthenticationException e) { MessageBox.Show("Authentication failed - closing the connection."); client.Close(); return; } Taken from msdn. I keep dying on handshake failed due to unexpected packet format (which I've tried googling, but all say it's because the author has connected to a wrong port), which I take as: The connection is not ssl until AUTH SSL is send to it. So my question is, how would i go about making this a "hybrid" connection so I can make an SSL connection to the server? Any help is greatly appreciated!

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  • Personal project in Java

    - by Chuck
    My first project in java is going to be a program (eventually I have to create a GUI interface but for now CLI would do) to keep track of my books (something similar to what libraries have only a simpler). I need to be able to insert, update, remove, show all books, update, search(by name or author or date). For the design I was thinking one main class Library which will have all of the above as methods that connect to the db and retrieve the data. Is this approach ok? I realize it's simple but it's my first real project and I would appreciate a little feedback. Also, is it too soon to consider reading up on design patterns and database design ?

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  • diffie-hellman ssh keyxchange

    - by Chuck
    Hi, I've set out to make a primitive SSH client in C#; you might remember me from posts such as http://stackoverflow.com/questions/2872279/c-primitive-ssh-connection-lowlevel hehe. Anyway, things are great up until the time when I initiate a DH key exchange. I've compared the traffic when I establish a ssh connection (from openssh client to openssh server), to the traffic when my client connects to the same openssh server. OpenSSH client - OpenSSH server (S for server, C for client): S: SSH-2.0-OpenSSH_5.1p1 Debian-6ubuntu2\r (saying hello) C: SSH-2.0-OpenSSH_5.2\r (introducing myself) C: Key Exchange Init (0x14 = 20) S: Key Exchange Init C: Diffie-Hellman GEX Request (0x22 = 34) (with DH GEX min, number of bits and max) S: Diffie-Hellman Key Exchange Reply (with P, G, etc.) C: Diffie-Hellman GEX Init S: Diffie-Hellman GEX Reply My client - OpenSSH server: S: SSH-2.0-OpenSSH_5.1p1 Debian-6ubuntu2\r (saying hello) C: SSH-2.0-Some_Name\r (introducing myself) C: Key Exchange Init (0x14 = 20) S: Key Exchange Init C: Diffie-Hellman GEX Request (0x22 = 34) (with DH GEX min, number of bits and max) and then a bogus TCP packet as reply (probably the server connection has been terminated after/upon GEX Request. I have yet to use AES128 (which I think is the encryption chosen, but I'm not sure how to verify this...), and I'm still sending in a non-compressed format, looking to get the P, G etc. values to make the DH calculations. So where I'm stranded is: RFC 4419 page 3 http://www.ietf.org/rfc/rfc4419.txt I've send SSH_MSG_KEY_DH_GEX_REQUEST, but the server does not respond SSH_MSG_KEX_DH_GEX_GROUP. Can anyone give me a little advice on what I'm not understanding here? Does the server not understand my GEX request (due to it expecting encryption, or?)? Any help is very much appreciated, thanks :)

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  • SQL Query - Need some basic help

    - by Chuck Folds
    I'm in need of some basic TSQL help. Here's my table layout: Orders Table SSN ZipCode ZipLookup Table ZipCode State All columns are varchars. How would I get a list of States with the number of distinct SSN's in each state? Preferably, if a particular SSN has orders from multiple states only the state with the most orders would be counted for that SSN. Thank you for any tips you can give me.

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  • Encrypting an id in an URL in ASP.NET MVC

    - by Chuck Conway
    I'm attempting to encode the encrypted id in the Url. Like this: http://www.calemadr.com/Membership/Welcome/9xCnCLIwzxzBuPEjqJFxC6XJdAZqQsIDqNrRUJoW6229IIeeL4eXl5n1cnYapg+N However, it either doesn't encode correctly and I get slashes '/' in the encryption or I receive and error from IIS: The request filtering module is configured to deny a request that contains a double escape sequence. I've tried different encodings, each fails: HttpUtility.HtmlEncode HttpUtility.UrlEncode HttpUtility.UrlPathEncode HttpUtility.UrlEncodeUnicode Update The problem was I when I encrypted a Guid and converted it to a base64 string it would contain unsafe url characters . Of course when I tried to navigate to a url containing unsafe characters IIS(7.5/ windows 7) would blow up. Url Encoding the base64 encrypted string would raise and error in IIS (The request filtering module is configured to deny a request that contains a double escape sequence.). I'm not sure how it detects double encoded strings but it did. After trying the above methods to encode the base64 encrypted string. I decided to remove the base64 encoding. However this leaves the encrypted text as a byte[]. I tried UrlEncoding the byte[], it's one of the overloads hanging off the httpUtility.Encode method. Again, while it was URL encoded, IIS did not like it and served up a "page not found." After digging around the net I came across a HexEncoding/Decoding class. Applying the Hex Encoding to the encrypted bytes did the trick. The output is url safe. On the other side, I haven't had any problems with decoding and decrypting the hex strings.

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  • Correct Way to Get Date Between Dates In SQL Server

    - by Chuck Haines
    I have a table in SQL server which has a DATETIME field called Date_Printed. I am trying to get all records in the table which lie between a specified date range. Currently I am using the following SQL DECLARE @StartDate DATETIME DECLARE @EndDate DATETIME SET @StartDate = '2010-01-01' SET @EndDate = '2010-06-18 12:59:59 PM' SELECT * FROM table WHERE Date_Printed BETWEEN @StartDate AND @EndDate I have an index on the Date_Printed column. I was wondering if this is the best way to get the rows in the table which lie between those date or if there is a faster way. The table has about 750,000 records in it right now and it will continue to grow. The query is pretty fast but I'd like to make it faster if possible.

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  • Translating external api results in Drupal

    - by Chuck Vose
    We're building a multi-language Drupal stack and one of the concerns we have is that our payment processor is going to have to send back some information to us. We've been able to narrow this down so that the strings they're sending back look like <country code>-<number of months> so we can easily translate that into any number of languages, except English. t('FR-12') is all well and good if we want to translate that into a french description, but because there's not an English language a similar string like t('EN-12') is not translatable. Similarly for the generic string: #API_Connection_Error This sort of generic string approach seemed really compelling to me at first but it seems to not work in Drupal. Do you have any suggestions about how to translate generic strings like this into both English and other languages? Thank you, I've been looking through Google all morning.

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  • In search of a packaged .Net security solution for web-forms.

    - by Chuck Conway
    We are looking for a security solution for asp.net that has security down to the control level. This is not a necessity but, it would be nice. At the very least it needs to extend-able to allow for control level permissions. The solution should have an administration panel of some sort. It also needs to support roles, groups, and individual permissions. We haven't seen anything like this in the marketplace -- we are in the process of rolling our own solution. We'd rather use an off the shelf solution.

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  • Leading underscore in directory name in IIS 5.

    - by Chuck Conway
    In IIS 5 one of the directories off the root has a leading underscore. All files under the directory are unreachable (404) from the browser. I have verified that the paths are correct. Other javascript files outside the directory comedown fine. Any thoughts? Example: http://fm74g4rndmu02.corp.com/_cache/softwarecommunity/api.js

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  • Getting started with nexus s NFC/RFID

    - by Chuck Fletcher
    Getting started with Nexus S NFC/RFID. Can anyone provide any guidance? I'm interested in creating some home brew demos using the nexus s NFC/RFID hardware. I think I need to find the appropriate tags and how to encode urls into tags that the nexus s can read by it's tags app. Not sure about iso 14443 tags or mifare etc Does nexus s support all of libnfc? If I root the device can I get access to write functionality? Thanks

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  • Setting variables in shell script by running commands

    - by rajya vardhan
    >cat /tmp/list1 john jack >cat /tmp/list2 smith taylor It is guaranteed that list1 and list2 will have equal number of lines. f(){ i=1 while read line do var1 = `sed -n '$ip' /tmp/list1` var2 = `sed -n '$ip' /tmp/list2` echo $i,$var1,$var2 i=`expr $i+1` echo $i,$var1,$var2 done < $INFILE } So output of f() should be: 1,john,smith 2,jack,taylor But getting 1,p,p 1+1,p,p If i replace following: var1 = `sed -n '$ip' /tmp/list1` var2 = `sed -n '$ip' /tmp/list2` with this: var1=`head -$i /tmp/vip_list|tail -1` var2=`head -$i /tmp/lb_list|tail -1` Then output: 1,john,smith 1,john,smith Not an expert of shell, so please excuse if sounds childish :)

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  • Making a textfile into a list in matlab?

    - by Ben Fossen
    I have a textfile and would like to import it onto Matlab and make it a list Person1 name = steven grade = 11 age= 17 Person2 name = mike grade = 9 age= 15 Person3 name = taylor grade = 11 age= 17 There are a few hundred entries like these above. Each are seperated by a blank line I was thinking I could scan the text and make the information between each blank line into an item in the list. I also would like to be able to look up each person by name once I have a list like the one below. I want something like x = [Person1 Person2 Person3 name = steven name = mike name = taylor grade = 11 grade = 9 grade = 11 age = 17 age = 15 age = 17] This seems very straight forward but I have been having trouble with this so far, I may be overlooking something. anyone have any ideas or advice?

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  • Preferred Method Of Application Purchase

    - by Chuck
    This is more of a "programmers" question, but felt that it was technical enough to belong on Stack Overflow instead. I'm launching an application soon that will follow the shareware model of purchase. I've thought about implementing this in a few ways: Limited access to the application until they purchase Full access to the application but expires after 30 day, requiring them to purchase to retain utility. Full access to the application indefinitely, but with a 10-15 second pop-up box on start-up asking them to register -- like mIRC does (or used to do). The method of authentication will be web-based. I'll provide them with an authentication key and they'll put it in the application. Whenever the application boots up, it'll check my web service and determine whether the application is genuine or not. This isn't my question. My question is: Is there a preferred method of implementation? I'd like to piss off the users as little as possible, but I'd also like to get paid for my work.

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