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• Can't see images used in slideshow or other jQuery plug-ins in Internet Explorer 8

  - by Kais

  I am getting a weird error. I can see images in slideshow, lightbox, etc. in Firefox and Chrome but in Internet Explorer 8 there are no images. Something is wrong with JavaScript/jQuery I think. I am using jQuery 1.4.2, jquery.flow.1.2.min.js jquery.bgpos.js jquery.easing.1.3.js jquery.lightbox-0.5.min.js jquery.validate.js cufon-yui.js jquery.galleriffic.js DD_belatedPNG.js clearbox.js Please check this. I have pasted images under slideshow, you can see those at http://kaisweb.com/projects/resume/ and http://kaisweb.com/projects/resume/index.php?p=templates. I tried to search but couldn't find anything. Even if I remove jQuery, still there are no images in Internet Explorer 8.

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• Auto-resolving a hostname in WCF Metadata Publishing

  - by Mike C

  I am running a self-hosted WCF service. In the service configuration, I am using localhost in my BaseAddresses that I hook my endpoints to. When trying to connect to an endpoint using the WCF test client, I have no problem connecting to the endpoint and getting the metadata using the machine's name. The problem that I run into is that the client that is generated from metadata uses localhost in the endpoint URLs it wants to connect to. I'm assuming that this is because localhost is the endpoint URL published by metadata. As a result, any calls to the methods on the service will fail since localhost on the calling machine isn't running the service. What I would like to figure out is if it is possible for the service metadata to publish the proper URL to a client depending on the client who is calling it. For example, if I was requesting the service metadata from a machine on the same network as the server the endpoint should be net.tcp://MYSERVER:1234/MyEndpoint. If I was requesting it from a machine outside the network, the URL should be net.tcp://MYSERVER.mydomain.com:1234/MyEndpoint. And obviously if the client was on the same machine, THEN the URL could be net.tcp://localhost:1234/MyEndpoint. Is this just a flaw in the default IMetadataExchange contract? Is there some reason the metadata needs to publish the information in a non-contextual way? Is there another way I should be configuring my BaseAddresses in order to get the functionality I want? Thanks, Mike

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• Dynamically loading hi-res images into UIScrollView

  - by Jeff

  I've been looking into creating a gallery mode in my application. The functionality will be identical to the built in Photos App. Here's the flow: 1. You touch on a thumbnail and ... 2. a modal view displays a large detail version of the image 3. You have the ability to scroll horizontally through all the images in the gallery while in this modal view I'm stuck on step 3. How do I dynamically load hi res images into a scroll view? I understand I need to set the contentSize for the the scrollView but how do I do that when I've only selected and loaded one image? What delegate methods do I need to implement and what does the heavy lifting look like? Thanks in advance!

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• Call method with parameters after animation completion

  - by Jean

  I want to call a method with certain parameters once an animation is done. The flow is something like this: -(void) myMethod:(int)val { [self performAnimation]; [self doSomethingElse:val]; // This should be done after animation completion } I presume the 'doSomethingElse' method needs to be called from the method defined in 'setAnimationDidStopSelector' - or is there a way to have the animation block until done? What is the best way to let the method called on 'setAnimationDidStopSelector' know about the method it needs to call and its parameter? Can this be done with selectors? Or is the only way of doing this by storing the methods and its params in class temp variables and access them when needed?

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• Is it wrong to get feedback from Stack Overflow on a live system architecture?

  - by hal10001

  I am the technical director at a startup, and I will eventually be tasked with implementing a "real" system architecture when we hire more programmers. Right now our clients are small enough, and it is just me, so documented deployments, source control, unit tests and quality assurance servers are non-existent. Eventually I will need to devise a work-flow and architecture patterns for the majority of the work we will do (e-commerce). If I posted an architecture diagram, and asked for feedback, would that be a misuse of the Stack Overflow system? I don't want to get into that battle of "hey, don't ask us to do your job for you", but the reality is that any programmer who eventually moves into this realm will have to figure it out with feedback from other developers. HighScalability.com is what comes to mind when I think about this sorta thing in terms of the knowledge I need. So if this is not the right kind of forum for that, then any book recommendations or white papers you can recommend would be appreciated.

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• Right way of making muti-site and multi-lingual website on codeigniter

  - by DR.GEWA

  Hi there. Beforehand let me thank you all !! Really guys you help a lot. When I will finish my web site and will have much time on watching how userbase is growing I will come here again and again to answer to another people questions(if I can ) So here is the problem. I made a web-site on CodeIgniter. A social network engine. Something like phpfox, classmates_com or facebook. It's right now somehow not multilingual, So the UI strings are in the view files, and next step will be move them to the language files. I want the user to have ability to change the language. So I assume that in database user will have row "lang_local" which would be by default set to en, and then to any other language he will change . So what is eating my nervs and enery is following. I will make on this engine several demographic social networks,and I would like to manage theese web-sites in centralized manner with one backend . So whenever I would like to make a new web-network, I just add the domain settings install the script in new folder and add it in database sites I see it like this on every table in database like users,comments,messages,categories ,etc I will have a row site_id , and on each query add/update/delete I add a WHERE SITE_ID=XXX and in table sites(site_id,site_name,domain_name) will have all domains , so that in backend I can filter data by website. Is this a good way? What if i will need then to be multiserver, what about load balancing? Who can tell me what would be a right,PROFESSIONAL way? My maximum user limit for a database is something like for start 10.000 in one-two year 100.000users

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• Can't connect to SQL Server 2005 Express from an ASP.NET C# page

  - by Aviv

  Hey guys, I have an MS SQL Server 2005 Express running on a VPS. I'm using pymssql in Python to connect to my server with the following code: conn = pymssql.connect(host='host:port', user='me', password='pwd', database='db') and it works perfectly. When I try to connect to the server from an ASP.NET C# page with the following code: SqlConnection myConnection = new SqlConnection("Data Source=host,port;Network Library=DBMSSOCN; Initial Catalog=db;User ID=me;Password=pwd;"); myConnection.Open(); When I run the ASP.NET page I get the following exception at myConnection.Open();: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: TCP Provider, error: 0 - A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.) I tried restarting the SQL Server but I had no luck. Can anyone point me out to what I'm missing here? Thanks!

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• REST API unauthenticated requests exception based on the User-Agent

  - by Shay Tsadok

  Hi All, I am developing a REST API that supports two kinds of authentication protocols: login form authentication - for browser based clients. Simple Basic authentication - for non-browser clients. I developed a flow in which unauthenticated requests redirected to the "login form", the problem is that this is an undesired behavior for non-borwser clients! I thought to solve it by decide according to the "User-Agent" what to do: browsers will be redirected to the "login form" and non-browser clients will get the standard 401:Basic Authentication. A. What do you think about this solution? B. Is there a standard way in Java to check if the request came from browser, or do i need to develop this kind of mechanism by my own? Thanks in advance!

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• Choosing a plotting library for web/browser application

  - by Goro

  Hello, I am looking for a plotting/graphing library (mostly to do line plots) for my application. I have been looking at JavaScript APIs (like Google's) but I found them to be slowing down things at client side (I am plotting a quite large number of points). I also found that with client-side libraries, the performance was quite varied depending on the user's computer. With moving to a server-side library I would cut down on this variance, and would have more control over data flow (my data is in a MySQL database). I have then looked at some PHP-based plotting libraries, but a lot of them seem to be "forgotten" (no new version for years). I have been eying pChart, but it has not had an update in almost two years. First, what would you recommend: server-side or client-side approach? Second, what library would you recommend. Paid libraries are definitely an option, as I don't mind paying for quality software that would cut down on my development time. Thanks,

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• Reading system.net/mailSettings/smtp from Web.config in Medium trust environment

  - by Carson63000

  Hi, I have some inherited code which stores SMTP server, username, password in the system.net/mailSettings/smtp section of the Web.config. It used to read them like so: Configuration c = WebConfigurationManager.OpenWebConfiguration(HttpContext.Current.Request.ApplicationPath); MailSettingsSectionGroup settings = (MailSettingsSectionGroup)c.GetSectionGroup("system.net/mailSettings"); return settings.Smtp.Network.Host; But this was failing when I had to deploy to a medium trust environment. So following the answer from this question, I rewrote it to use GetSection() like so: SmtpSection settings = (SmtpSection)ConfigurationManager.GetSection("system.net/mailSettings/smtp"); return settings.Network.Host; But it's still giving me a SecurityException on Medium trust, with the following message: Request for ConfigurationPermission failed while attempting to access configuration section 'system.net/mailSettings/smtp'. To allow all callers to access the data for this section, set section attribute 'requirePermission' equal 'false' in the configuration file where this section is declared. So I tried this requirePermission attribute, but can't figure out where to put it. If I apply it to the <smtp> node, I get a ConfigurationError: "Unrecognized attribute 'requirePermission'. Note that attribute names are case-sensitive." If I apply it to the <mailSettings> node, I still get the SecurityException. Is there any way to get at this config section programatically under medium trust? Or should I just give up on it and move the setting into <appSettings>?

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• Protocol specific channel handlers

  - by Mickael Marrache

  I'm writing an application server that will receive SIP and DNS messages from the network. When I receive a message from the network, I understand from the documentation that at first, I get a ChannelBuffer. I would like to determine which kind of message has been received (SIP or DNS) and to decode it. To determine the message type, I can dedicate port to each type of message, but I would be interested to know if there exist another solution for that. My question is more about how to decode the ChannelBuffer. Is there a ChannelHandler provided by Netty to decode SIP or DNS messages? If not, what would be the right place in the type hierarchy to write my custom ChannelHandler? To illustrate my question, let's take as example the HttpRequestDecoder, the hierarchy is: java.lang.Object org.jboss.netty.channel.SimpleChannelUpstreamHandler org.jboss.netty.handler.codec.frame.FrameDecoder org.jboss.netty.handler.codec.replay.ReplayingDecoder<HttpMessageDecoder.State> org.jboss.netty.handler.codec.http.HttpMessageDecoder org.jboss.netty.handler.codec.http.HttpRequestDecoder Also, do I need to use two different ChannelHandler for decoding and encoding, or is there a possibility to use a single ChannelHandler for both? Thanks

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• Is there an ftp plugin for gedit that will let me work locally?

  - by RobertWHurst

  I'm trying to switch from a windows environment to Linux. I'm primarily PHP developer, but I do know quite a bit about other languages such as CSS, XHTML and Javascript. I need a way of editing my files locally because I work in a git repository and need to commit my saves. On windows I used Aptana and PDT. I'd save my files, upload via Aptana, then commit my work with git. I need to get a work flow going on my Linux machine now. If you know a better way to do this let me know, however my real question is, is there a plugin that allows gedit to upload files instead of working remotely?

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• Nothing gets displayed when debugging Microsoft Surface

  - by leftend

  I am trying to write my first Microsoft Surface application, and am doing the development on the Surface unit itself. I successfully re-created the quick "Photos" application that is shown on the PDC Video, however, now that I'm trying to create my own app - nothing actually shows up when I run it. I'm mainly just adding ScatterViews right now - and they show up fine in the designer, but as soon as I hit F5 - the shell is shown on the surface - but none of the ScatterViews show up. Here's my xaml code so far. Am I missing something?? <s:SurfaceWindow x:Class="SurfaceUITreeDemo.TreeDemo" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="http://schemas.microsoft.com/surface/2008" Title="WYITT Tree Demo" AllowsTransparency="False" Background="Beige"> <s:SurfaceWindow.Resources> <ImageBrush x:Key="WindowBackground" Stretch="None" Opacity="0.6" ImageSource="pack://application:,,,/Resources/TreeDemoBackground.jpg"/> </s:SurfaceWindow.Resources> <Grid Background="{StaticResource WindowBackground}" > <s:ScatterView Name="test"> <Image Source="C:\dev\Network-Alt-icon.png"/> </s:ScatterView> <s:ScatterView Height="100" Margin="456,160,348,0" Name="scatterView1" VerticalAlignment="Top" Background="Black"> <s:ScatterViewItem Height="100" Width="150"> <Image Source="C:\dev\Network-Alt-icon.png"/> </s:ScatterViewItem> <s:ScatterViewItem></s:ScatterViewItem> ScatterView </s:ScatterView> </Grid> </s:SurfaceWindow>

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• IOS where to put the configuration of facebook sdk

  - by Carol Smith

  I am trying to integrated my IOS 7 application with Facebook SDK I following this official tutorial https://developers.facebook.com/docs/ios/getting-started which states Configure the .plist Follow these three steps: Create a key called FacebookAppID with a string value, and add the app ID there. Create a key called FacebookDisplayName with a string value, and add the Display Name you configured in the App Dashboard. Create an array key called URL types with a single array sub-item called URL Schemes. Give this a single item with your app ID prefixed with fb. This is used to ensure the application will receive the callback URL of the web-based OAuth flow. The finished .plist should look something like this: My question is where to put these values? They already put this image, maybe it helps you to answer me Edit The problem that I don't have any plist file in my framework in xcode and I can't add a new one because if i did, I would have to add all the variables that you see in the image but the tutorial just stated about some of them

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• Cannot loop through Excel 2003 files in SSIS 2008

  - by Techspirit

  Hi, I am trying to execute a SSIS 2008 package on a 64-bit OS and import Excel 2003 files to SQL Server 2008. I have created an OLEDB Connection to the Excel file with a Connection String that retrieves the Excel file from a variable, inside the ForEach Loop Container. The Run64BitRunTime is set to false. I am not able to edit the SQL Command on the OLEDB Source in the Data Flow task. It returns an error : Error 2 Validation error. Load List Staged Table: Load List Staged Table: SSIS Error Code DTS_E_CANNOTACQUIRECONNECTIONFROMCONNECTIONMANAGER. The AcquireConnection method call to the connection manager "List OLEDB to Excel" failed with error code 0xC0202009. There may be error messages posted before this with more information on why the AcquireConnection method call failed. 0 0 Appreciate any help.

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• Save/restore git/cvs checkout changes when switching branches?

  - by Dale Forester

  Using cvs, git or another technique (file system level?), I would like to: Make modifications on branch A Checkout branch B: Changes to branch A are "stowed away" (by name would be nice), branch B is checked out such that my branch A changes are gone Make modifications on branch B Checkout branch A: Changes to branch B are "stowed away" (by name would be nice), branch A is checked out such that my branch B changes are gone but now my "saved" branch A changes from Step #2 are back Git-stash does not appear to fit the flow I'm describing although my impression could be wrong. Techniques involving RCS's or file system or command-line tools or otherwise are welcome.

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• Xcode / Interface Builder - better workflow from designer to coder?

  - by tbarbe

  Were dealing with some pretty custom UI elements while building our OSX / Cocoa and iPhone / IPad apps. I was wondering if anyone has good recommendations or tricks for getting a better workflow between UI designers and coders while using Xcode / Interface Builder? It seems that many things require programmatic settings with UI editing in Cocoa... if you stray from the pre-built UI elements then you can't really easily drag-drop build a UI... instead we end up handing off a design doc ( photoshop/illustrator ) and then the poor developer has to deal with recreating this masterpiece in code or by using interface builder - usually a combination of both. This work flow is leading us to not so great results and we have to re-iterate around the UI elements to get them to work better. We love CSS and / or Flash designer to developer workflow where the UI could look exactly as it should and the hand off to developer was more seamless. Is there anyone out there who has some tricks - or insights into getting better workflow when using tools like Xcode / Interface Builder and doing Cocoa apps?

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• Android getting XML values

  - by Nils

  Hello, I have the following XML code, which I got by a UPnP device and like to get the res value - the RTSP URL. In this case rtsp://10.42.0.103:554/live.sdp How can I do this? I heard that Android has some built-in support for reading XML. Is that true? <DIDL-Lite xmlns="urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:upnp="urn:schemas-upnp-org:metadata-1-0/upnp/"> <item id="11" parentID="1" restricted="1"> <dc:title>Network Camera Stream 1</dc:title> <upnp:class>object.item.videoItem</upnp:class> <res protocolInfo="rtsp-rtp-udp:*:video/mpeg4-generic:*" resolution="640x480">rtsp://10.42.0.103:554/live.sdp</res> </item> <item id="12" parentID="1" restricted="1"> <dc:title>Network Camera Stream 2</dc:title> <upnp:class>object.item.videoItem</upnp:class> <res protocolInfo="rtsp-rtp-udp:*:video/mpeg4-generic:*" resolution="176x144">rtsp://10.42.0.103:554/live2.sdp</res> </item> </DIDL-Lite>

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• How to implement buffering with timeout in RX

  - by Gaspar Nagy

  I need to implement an event processing, that is done delayed when there are no new events arriving for a certain period. (I have to queue up a parsing task when the text buffer changed, but I don't want to start the parsing when the user is still typing.) I'm new in RX, but as far as I see, I would need a combination of BufferWithTime and the Timeout methods. I imagine this to be working like this: it buffers the events until they are received regularly within a specified time period between the subsequent events. If there is a gap in the event flow (longer than the timespan) it should return propagate the events buffered so far. Having a look at how Buffer and Timeout is implemented, I could probably implement my BufferWithTimeout method (if everyone have one, please share with me), but I wonder if this can be achieved just by combining the existing methods. Any ideas?

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• Problem in accessing Windows shared folder on Ubuntu using terminal

  - by vikramtheone

  Hi Guys, Description I have 2 systems with me, one running on Windows(Host) and one on Ubuntu, both on a LAN. On the Windows(Host) I develop software intended for the Linux system and because the Linux system has little external memory, my idea to overcome this is by making the project folder on the Host side a Shared Folder with full access and access it on Ubuntu over the network. To achieve this, I have installed Samba on Ubuntu, when I go to Places -> Network I can see the shared project folder and I simply mount it. A link appears on the desktop. Next, using Nautilus I open the link and I can access the contents of the shared folder. Problem Even though I mount the shared project folder, I don't see it appearing in the /media or the /mnt folder, as a result of this I don't know what path to use to access this folder, from the terminal. For example: When, I mounted my USB stick, as expected, a link for the device appears on the Desktop and I also see a folder in the media folder. So, similarly, a mounted shared folder should have appeared on the /mnt folder, too. Can anyone suggest what I should do now? There are many posts around, but no solid solution for this problem. Help!!! :) Vikram

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• Is my method for avoiding dynamic_cast<> faster than dynamic_cast<> itself ?

  - by ereOn

  Hi, I was answering a question a few minutes ago and it raised to me another one: In one of my projects, I do some network message parsing. The messages are in the form of: [1 byte message type][2 bytes payload length][x bytes payload] The format and content of the payload are determined by the message type. I have a class hierarchy, based on a common class Message. To instanciate my messages, i have a static parsing method which gives back a Message* depending on the message type byte. Something like: Message* parse(const char* frame) { // This is sample code, in real life I obviously check that the buffer // is not NULL, and the size, and so on. switch(frame[0]) { case 0x01: return new FooMessage(); case 0x02: return new BarMessage(); } // Throw an exception here because the mesage type is unknown. } I sometimes need to access the methods of the subclasses. Since my network message handling must be fast, I decived to avoid dynamic_cast<> and I added a method to the base Message class that gives back the message type. Depending on this return value, I use a static_cast<> to the right child type instead. I did this mainly because I was told once that dynamic_cast<> was slow. However, I don't know exactly what it really does and how slow it is, thus, my method might be as just as slow (or slower) but far more complicated. What do you guys think of this design ? Is it common ? Is it really faster than using dynamic_cast<> ? Any detailed explanation of what happen under the hood when one use dynamic_cast<> is welcome !

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• How to improve workflow for creating a Lua-based Wireshark dissector

  - by piyo

  I've finally created a Dissector for my UDP protocol in Lua for Wireshark, but the work flow is just horrendous. It consists of editing my custom Lua file in my editor, then double-clicking my example capture file to launch Wireshark to see the changes. If there was an error, Wireshark informs me via dialogs or a red line in the Tree analysis sub-pane. I then re-edit my custom Lua file and then close that Wireshark instance, then double-click my example capture file again. It's like compiling a C file and only seeing one compiler error at a time. Is there a better (faster) way of looking at my changes, without having to restart Wireshark all the time? At the time, I was using Wireshark 1.2.9 for Windows with Lua enabled.

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• SSIS Runs Okay Individual Tasks, Not Together

  - by davemackey

  I have a simple SSIS Project. In the control flow I have three steps: Step 1: Select Data from Db1.Table1 Step 2: Create Table2 in Db2 Step 3: Copy Data in Db1.Table1 to Db2.Table2 If I "Execute Task" one by one in order, it executes fine...but if I try running the entire project I receive the following error: Error at Copy Data from Table1 to DB2 dbo Table2 Task [OLE DB Destination[40]]: SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80040E37. An OLE DB record is available. Source: "Microsoft OLE DB Provider for SQL Server" Hresult: 0x80040E37 Description: "Invalid object name 'DB2.dbo.Table2".".

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• Should you remove all warnings in your Verilog or VHDL design? Why or why not?

  - by Brian Carlton

  In (regular) software I have worked at companies where the gcc option -Wall is used to show all warnings. Then they need to be dealt with. With non-trivial FPGA/ASIC design in Verilog or VHDL there are often many many warnings. Should I worry about all of them? Do you have any specific techniques to suggest? My flow is mainly for FPGAs (Altera and Xilinx in particular), but I assume the same rules would apply to ASIC design, possibly more so due to the inability to change the design after it is built.

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• Best strategy for synching data in iPhone app

  - by iamj4de

  I am working on a regular iPhone app which pulls data from a server (XML, JSON, etc...), and I'm wondering what is the best way to implement synching data. Criteria are speed (less network data exchange), robustness (data recovery in case update fails), offline access and flexibility (adaptable when the structure of the database changes slightly, like a new column). I know it varies from app to app, but can you guys share some of your strategy/experience? For me, I'm thinking of something like this: 1) Store Last Modified Date in iPhone 2) Upon launching, send a message like getNewData.php?lastModifiedDate=... 3) Server will process and send back only modified data from last time. 4) This data is formatted as so: <+><data id="..."></data></+> // add this to SQLite/CoreData <-><data id="..."></data></-> // remove this <%><data id="..."><attribute>newValue</attribute></data></%> // new modified value I don't want to make <+, <-, <%... for each attribute as well, because it would be too complicated, so probably when receive a <% field, I would just remove the data with the specified id and then add it again (assuming id here is not some automatically auto-incremented field). 5) Once everything is downloaded and updated, I will update the Last Modified Date field. The main problem with this strategy is: If the network goes down when I am updating something = the Last Modified Date is not yet updated = next time I relaunch the app, I will have to go through the same thing again. Not to mention potential inconsistent data. If I use a temporary table for update and make the whole thing atomic, it would work, but then again, if the update is too long (lots of data change), the user has to wait a long time until new data is available. Should I use Last-Modified-Date for each of the data field and update data gradually?

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