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  • WPF: Binding to commands in code behind

    - by sofri
    Hi, I have an WPF Microsoft Surface Applikation and I'm using MVVM-Pattern. I have some buttons that are created in code behind. And I would like to bind commands to them but I only know how that works in the XAML like this: <Custom:SurfaceButton Command="{Binding SaveReservationCommandBinding, Mode=OneWay}"/> But I cannot do it like this because my buttons do not exist in the XAML, only in the code behind. So how would a command binding like that works in code behind?

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  • Best practices in ASP.Net code behind pages.

    - by patricks418
    Hi, I am an experienced developer but I am new to web application development. Now I am in charge of developing a new web application and I could really use some input from experienced web developers out there. I'd like to understand exactly what experienced web developers do in the code-behind pages. At first I thought it was best to have a rule that all the database access and business logic should be performed in classes external to the code-behind pages. My thought was that only logic necessary for the web form would be performed in the code-behind. I still think that all the business logic should be performed in other classes but I'm beginning to think it would be alright if the code-behind had access to the database to query it directly rather than having to call other classes to receive a dataset or collection back. Any input would be appreciated.

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  • NTLM Authentication fails when behind Proxy server

    - by Jan Petersen
    Hi All, I've seen a number of post about consuming Web Services from behind a proxy server, but none that seams to address this problem. I'm building a desktop application, using Java, JAX-WS in NetBeans. I have a working prototype, that can query the server for authentication mode, successfully authenticate and retrieve a list of web site. However, if I run the same app from a network that is behind a proxy server (the proxy does not require authentication), then I'm running into trouble. I have sniffed the traffic, and noticed the following: Behind Proxy # Result Protocol Host URL 1 200 HTTP host.domain.com /_vti_bin/Authentication.asmx 2 401 HTTP host.domain.com /_vti_bin/Webs.asmx 3 401 HTTP host.domain.com /_vti_bin/Webs.asmx 4 401 HTTP host.domain.com /_vti_bin/Webs.asmx 5 401 HTTP host.domain.com /_vti_bin/Webs.asmx Without Proxy # Result Protocol Host URL 1 200 HTTP host.domain.com /_vti_bin/Authentication.asmx 2 401 HTTP host.domain.com /_vti_bin/Webs.asmx 3 401 HTTP host.domain.com /_vti_bin/Webs.asmx 4 401 HTTP host.domain.com /_vti_bin/Webs.asmx 5 401 HTTP host.domain.com /_vti_bin/Webs.asmx 6 200 HTTP host.domain.com /_vti_bin/Webs.asmx When running the code from a network without a proxy server, I successfully Authentication with the server, but when I'm behind the proxy server, the traffic is cut-off at the 5th message, and thus don't succeed. I know from the Java docs that On Microsoft Windows platforms, NTLM authentication attempts to acquire the user credentials from the system without prompting the user's authenticator object. If these credentials are not accepted by the server then the user's authenticator will be called. Given that my Authentication code is called only ones, and only as the 5th attempt, it appears as if the connection is dropped when behind the proxy server before my Authentication object is used. Is there any way I can control the behavior of Authentication module, to not have it use the system credentials? I have put the source text java class files of a demo app up, showing the issue at the following urls (it's a bit to long even in the short demo form to post here). link text Br Jan

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  • Setting value in html control in code behind without making server control

    - by Muhammad Akhtar
    Setting value in html control in code behind without making server control <input type="text" name="txt" /> <%--Pleas note I don't want put runat=server here to get the control in code behind--%> <asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" /> Code behind protected void Page_Load(object sender, EventArgs e) { if (!Page.IsPostBack) { //If I want to initlize some value in input, how can I set here } } protected void Button1_Click(object sender, EventArgs e) { Request["txt"] // Here I am getting the value of input } Thanks

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  • Access varialbe from code behind via jQery

    - by Morron
    Hi, I have the following code that I want to return to a variable "t" in jQery: Code behind: Public Shared Function GetSomeText() As String Dim result = "This is from code behind" Return result End Function Caller variable in jQuery: //This is not working like that, I think var t = GetSomeText(); So, how can I make variable "t" get the "result" from Function GetSomeText from code-behind? Thank you.

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  • Linux servers seeing bad download performance behind Sonicwall firewall

    - by Joshua Penix
    I'm working with a pair of co-located CentOS Linux servers sitting behind a Sonicwall PRO 2040 Enhanced firewall running in transparent bridge mode. These servers are having a strange problem downloading files more than a few megabytes in size. For example, if I try to wget or FTP a copy of the Linux kernel from kernel.org, the first ~1-2MB will download at 600+K/s, and then throughput will drop off a cliff to 1K/s. I've reviewed all the firewall configuration settings for anything suspicious, but found nothing. More interestingly, I performed the same download with a Windows server sitting behind the same firewall, and it sailed right through at 600+K/s the whole way. Has anyone seen this? Where should I start looking to troubleshoot this problem?

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  • JBoss behind NAT hostname problem

    - by z0mbix
    My company has a JBoss cluster sitting behind a firewall that performs NAT. We forward ports to JBoss from the firewall, so that our client application can access the server. We are having trouble when JBoss replies it tells the clients to connect to the internal hostname, not the external one with which the initial connection was made. Is this something that is easily resolved/configured? How are other JBoss app servers configured behind NAT firewalls? Split-horizon DNS? Many Thanks

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  • What does the -R flag do for chflags?

    - by ralphthemagician
    I'm not clear on exactly what the -R flag does for chflags. I was wondering if someone might be able to help me. The man page says this: Recurse: Change the file flags of file hierarchies rooted in the files instead of just the files themselves. I don't understand what that means. Can someone tell me what the difference would be between chflags -R hidden and just chflags hidden? There's an online man page here for reference: http://ss64.com/osx/chflags.html

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  • Larry Ellison is szerepel az Iron Man 2 c. filmben

    - by Fekete Zoltán
    Az Oracle CEO-ja, Larry Ellison is szerepel az Iron Man 2 címu mozifilmben! :) Tehát nem csupán Scarlett Johansson bájaiban gyönyörködhetünk, hanem az Oracle elso embere, Larry Ellison is megjelenik a színen. Az Oracle-nek az Iron Man 2 filmhez kapcsolódó anyagai itt találhatók. Itt meg tekintheto a film trailere is, illetve háttérképek nagy méretben. Légy Te is szuperhíró! Legyen szuperhos! (sot, Superhero :) ) - innovatív Oracle megoldásával

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  • Why are the man pages for gvfs-commands not in Ubuntu?

    - by Pili Garcia
    These are the man pages for gvfs-cat gvfs-less gvfs-monitor-dir gvfs-move gvfs-rm gvfs-trash gvfs-copy gvfs-ls gvfs-monitor-file gvfs-open gvfs-save gvfs-tree gvfs-info gvfs-mkdir gvfs-mount gvfs-rename gvfs-set-attribute http://www.unix.com/man-pages.php?query=gvfs-info&apropos=0&section=1&os=opensolaris Every year I see that there are more commands without manpage nor apropose description, nothing! Is that the path?

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  • VPN Error 619: Behind Cisco Router WRT310N

    - by ty91011
    I've researched a lot on all the forums and this error is too generic for any of the proposed solutions to work. I'll try to give as much detail and tried solutions. I'm running a CentOS PPTP server behind a Cisco WRT310N Router. Multiple clients from outside with different OS have failed with the same error 619, along with turning off windows firewall and disabling antivirus. I believe this is a router and IP routing issue, and not a client issue. When I connect from a client on the same router as the VPN server, it works when I use the 192. network address- but doesn't work with the public IP address. I've tried telnet to port 1723 from an outside server and I get in. I've opened up the VPN port (1723) on the router, VPN udp port (500), and the GRE port (47) to route to the VPN server's ip. Also, the server's router is behind a DSL modem. I had a glimmer of hope when this site: http://www.chicagotech.net/casestudy/vpnerror619.htm suggested that the PPoE authentication should reside on the router and not the modem. But I still came up empty. So does anybody know what the problem is?

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  • How to setup DNS server behind a VPN

    - by Brian
    I want to host some websites behind a VPN and I need some help with the finer points of the configuration. Thus far I've settled on OpenVPN + Bind9 and I want to configure the domains like this: External DNS mail.example.com www.example.com vpn.example.com I want to be able to connect to the vpn using 'vpn.example.com'. Once connected I then want to be able to resolve anything which is '*.vpn.example.com' with the DNS server sitting behind the VPN. I know that OpenVPN can push DNS servers to clients when they connect. I am having trouble though with the DNS config, both internal and external. I've gone through a few tutorials etc. and tried to reason about it myself but I'm not getting anywhere. So my main question would be does the above configuration make sense? If so, any general pointers or examples would be greatly appreciated. Here's what I've tried so far based on this tutorial (I've redacted my domain with example.com). When I try the tests with dig at the end to check the resolution is working it fails. db.vpn.example.com $TTL 15m vpn.example.com. IN SOA ns.vpn.example.com. [email protected]. ( 2009010910 ;serial 900 ;refresh 900 ;retry 900 ;expire 900 ;minimum TTL ) vpn.example.com. IN NS ns.vpn.example.com. ns IN A 192.168.0.2 test IN A 192.168.0.2

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  • Mac Mini server (10.6) behind router with FQDN hostname

    - by thechriskelley
    I have a Mac Mini running Mac OS 10.6.6 Server that will be part of a local network, and a static IP from my ISP. I'd like to set up DNS for the Mini with a FQDN as the hostname (example.com) properly. The Mini is behind a router (Apple Airport Extreme) and is given a private, static IP address. I can't assign it the public static IP directly because it's behind a router with DHCP/NAT for other machines on the local net. My end goal here is for services to resolve to the server properly from outside and inside the local network to users via example.com (and subdomains like mail.example.com, www.example.com), which will point to the public static IP assigned to the router. Will DNS work/resolve properly (for mail services and other subdomains) if it has a private ip address, but the necessary services are forwarded properly through NAT? I'm open to any (hopefully better) suggestions, as my current setup doesn't seem like it's the best way. Currently, more hardware or another public static IP is not possible. With the current setup, it seems as though one static IP is not necessary anyway. Thanks in advance for any insight.

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  • Man pages for libvlc

    - by mawia
    Hi! all. Though I am not sure wether this question belongs to here but pardon me if not so. Can you people guide me to the manual page of libvlc functions like(just give a kind of pointer where these functions are described in detail) void libvlc_playlist_pause( libvlc_instance *, libvlc_exception ) mtime_t libvlc_input_get_length( libvlc_input_t *, libvlc_exception ) mtime_t libvlc_input_get_time( libvlc_input_t *, libvlc_exception ) void libvlc_input_set_time( libvlc_input_t *, mtime_t , libvlc_exception ) float libvlc_input_get_position( libvlc_input_t *, libvlc_exception ) void libvlc_input_set_position( libvlc_input_t *, float , libvlc_exception ) void libvlc_set_rate( libvlc_input_t *, float rate, libvlc_exception ) float libvlc_get_rate( libvlc_input_t *, libvlc_exception ) libvlc_input_get_information( libvlc_input_t *, libvlc_exception ) In particular can you please describe the functioning of libvlc_playlist_pause.I am using this in my aplication to run a video stream.My video is running but since video file is coming over a network I need to pause the player for a particular amount till enough data is buffered. With regards Mawia

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  • is magento overkill for a one-man webshop?

    - by Rick J
    I have been looking at magento for a while and I think I have a decent handle on how to use/customize it. I have a client that wants a webshop , this is just a small business that sells a few products and just supports one language. I was wondering if using magento will be an overkill for a simple webshop , in case I cant help them to make future changes tp the webshop, the people running their business might have to do it. But it looks like magento is made for people with some technical know how (lots of xml editing etc).. So should i go for magento or a simpler solution like osCommerce or maybe even a simple custom solution. Would like to hear your opinions!

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  • man kaio: No manual entry for kaio.

    - by Daniel
    I trussed a process, and they are lines as below. And I want to know the definition of kaio, but there is no manual entry for kaio, so whether can I get the definition? /1: kaio(AIOWRITE, 259, 0x3805B2A00, 8704, 0x099C9E000755D3C0) = 0 /1: kaio(AIOWRITE, 259, 0x380CF9200, 14336, 0x099CC0000755D5B8) = 0 /1: kaio(AIOWRITE, 259, 0x381573600, 8704, 0x099CF8000755D7B0) = 0 /1: kaio(AIOWRITE, 259, 0x381ACA600, 8192, 0x099D1A000755D9A8) = 0 /1: kaio(AIOWAIT, 0xFFFFFFFF7FFFD620) = 4418032576 /1: timeout: 600.000000 sec /1: kaio(AIOWAIT, 0xFFFFFFFF7FFFD620) = 4418033080 /1: timeout: 600.000000 sec /1: kaio(AIOWAIT, 0xFFFFFFFF7FFFD620) = 4418033584 /1: timeout: 600.000000 sec

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  • Man machine interface command syntax and parsing

    - by idimba
    What I want is to add possibility to interact with application, and be able to extract information from application or event ask it to change some states. For that purpose I though of building cli utility. The utility will connect to the application and send user commands (one line strings) to the application and wait for response from the application. The command should contain: - command name (e.g. display-session-table/set-log-level etc.) - optionally command may have several arguments (e.g. log-level=10) The question to choose syntax and to learn parse it fast and correctly. I don't want to reinvent the whell, so maybe there's already an answer out there.

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  • Configure tomcat behind loadbalancer to respond on HTTP and HTTPS

    - by user253530
    I have 2 tomcat machines behind a load balancer on Amazon EC2. Until now The load balancer was configured to respond only on https. So in order to access our services you would go to https://url. Tomcat was configured to listen on 8080 but the connector had additional params that would tell tomcat that it is behind a proxy and that it should respond on HTTPS 443. The connector looks like this: <Connector scheme="https" secure="true" proxyPort="443" proxyHost="my.domain.name" port="8080" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" useBodyEncodingForURI="true" URIEncoding="UTF-8" /> What i would like to do is to open port 80 on the load balancer and basically allow traffic on HTTP and HTTPS. I've configured the load balancer to redirect all HTTP traffic to the tomcat machines on port 8088. I was thinking that i could define a new connector so that all HTTPS traffic goes to 8080 and HTTP to 8088. Unfortunately i did not succeed. Here is my connector <Connector port="8088" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" useBodyEncodingForURI="true" URIEncoding="UTF-8" /> Am I missing something? Thanks

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  • Poor man's "lexer" for C#

    - by Paul Hollingsworth
    I'm trying to write a very simple parser in C#. I need a lexer -- something that lets me associate regular expressions with tokens, so it reads in regexs and gives me back symbols. It seems like I ought to be able to use Regex to do the actual heavy lifting, but I can't see an easy way to do it. For one thing, Regex only seems to work on strings, not streams (why is that!?!?). Basically, I want an implementation of the following interface: interface ILexer : IDisposable { /// <summary> /// Return true if there are more tokens to read /// </summary> bool HasMoreTokens { get; } /// <summary> /// The actual contents that matched the token /// </summary> string TokenContents { get; } /// <summary> /// The particular token in "tokenDefinitions" that was matched (e.g. "STRING", "NUMBER", "OPEN PARENS", "CLOSE PARENS" /// </summary> object Token { get; } /// <summary> /// Move to the next token /// </summary> void Next(); } interface ILexerFactory { /// <summary> /// Create a Lexer for converting a stream of characters into tokens /// </summary> /// <param name="reader">TextReader that supplies the underlying stream</param> /// <param name="tokenDefinitions">A dictionary from regular expressions to their "token identifers"</param> /// <returns>The lexer</returns> ILexer CreateLexer(TextReader reader, IDictionary<string, object> tokenDefinitions); } So, pluz send the codz... No, seriously, I am about to start writing an implementation of the above interface yet I find it hard to believe that there isn't some simple way of doing this in .NET (2.0) already. So, any suggestions for a simple way to do the above? (Also, I don't want any "code generators". Performance is not important for this thing and I don't want to introduce any complexity into the build process.)

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  • Have servers behind OpenVPN subnet reach connecting clients

    - by imaginative
    I am trying to find some relevant documentation or what directives I need in either the OpenVPN server configuration or client configuration to accommodate for this use case. I have an OpenVPN server that clients connect to. The OpenVPN server can communicate directly with any of the clients already, this is not an issue. The client is able to reach any machine on the private subnet where OpenVPN resides, this is also not an issue. My issue is that the reverse is currently not possible - I have servers on the same subnet as the OpenVPN box that cannot reach any of the connecting clients. I'd like to be able to SSH to them and more, the same way the client can reach the servers behind the OpenVPN subnet. What do I need to do to make this possible? I already have masquerading rules set on the OpenVPN box: iptables -t nat -A POSTROUTING -s 192.168.50.0/24 -o eth0 -j MASQUERADE IP Forwarding is enabled: echo 1 >/proc/sys/net/ipv4/ip_forward I added a route on the server behind the private subnet to be aware of the route: 192.168.50.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 What am I missing?

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  • Who Are the BI Users in Your Neighborhood?

    - by Brian Dayton
    Forrester's Boris Evelson recently wrote a blog titled "Who are the BI Personas?" that I enjoyed for a number of reasons. It's a quick read, easy to grasp and (refreshingly) focuses on the users of technology VS the technology. As Evelson admits, he meant to keep the reference chart at a high-level because there are too many different permutations and additional sub-categories to make such a chart useful. For me, I wouldn't head into the technical permutations but more the contextual use of BI and the issues that users experience.  My thoughts brought up more questions than answers such as: Context: -          HOW: With the exception of the "Power User" persona--likely some sort of business or operations analyst? -          WHEN: Are they using the information to make real-time decisions on the front lines (a customer service manager or shipping/logistics VP) or are they using this information for cumulative analysis and business planning? Or both? -          WHERE: What areas of the business are more or less likely to rely on BI across an organization? Human Resources, Operations, Facilities, Finance--- and why are some more prone to use data-driven analysis than others? Issues: -          DELAYS & DRAG ON IT?: One of the persona characteristics Evelson calls out is a reliance on IT. Every persona except for the "Power User" has a heavy reliance on IT for support. What business issues or delays does that cause to users? What is the drag on IT resources who could potentially be creating instead of reporting? -          HOW MANY CLICKS: If BI is being used within the context of a transaction (sales manager looking for upsell opportunities as an example) is that person getting the information within the context of that action or transaction? Or are they minimizing screens, logging into another application or reporting tool, running queries, etc.?   Who are the BI Users in your neighborhood or line of business? Do Evelson's personas resonate--and do the tools that he calls out (he refers to it as "BI Style") resonate with what your personas have or need? Finally, I'm very interested if BI use is viewed as  a bolt-on...or an integrated part of your daily enterprise processes?

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  • What software development process should I learn first for a solo project?

    - by Omar Kohl
    I want to develop a project on my own (if it is sucessful more people might start working on it too). Also I want to apply some proper software engineering from the first until the last day. On one hand just to try it out and compare results with previous projects that were just about writing code quick and dirty, and on the other hand to learn! I know the proper answer to this question is "It depends very much on the project...", "There is no single correct answer...". But I just need someplace to start, somewhere where every step is written down and tells me what to do. If I'm not happy next time I'll try something else. So, how/where should I start? I would love to hear some book suggestions cause I'm all about books :-D.

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  • Using Android 2.0 with Exchange server behind firewall

    - by Yurik
    Blackberry has an enterprise server that works with MS Exchange, and pushes all updates to the user's blackberry devices. We are considering switching to Android phones, which supposedly support Exchange servers. Will there be a similar program for Android? Are there any configuration changes that have to be done on Exchange server? (Exchange is behind the corp firewall).

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  • Selecting which IP address to use for outgoing requests from behind a NAT

    - by iamrohitbanga
    Our organization has several external IP addresses. I am behind 2 layers of NAT and the servers choose which IP address to route my traffic to. Can I specify which IP address to use when finally leaving the organizations network. I know that source routing can be done in IPv4 by adding some options in the header. But can I configure my PC to add these options automatically. I have both a Windows and a Linux Machine.

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