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• Logical value of an assignment in C

  - by Andy Shulman

  while (curr_data[1] != (unsigned int)NULL && ((curr_ptr = (void*)curr_data[1]) || 1)) Two part question. What will (curr_ptr = (void*)curr_data[1]) evaluate to, logically. TRUE? Also, I know its rather hack-ish, but is the while statement legal C? I would have to go through great contortions to put the assignment elsewhere in the code, so I'd be really nice if I could leave it there, but if it's so egregious that it makes everyone's eyeballs burst into flames, I'll change it.

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• Creating an n tiered application

  - by aaron

  I am researching architecture for a project that will be started next year. It is mainly a c# web app, but there will be a service layer so that it can talk to our facebook/iphone app. There are a few long running processes, which means that I will be creating a windows process that can handle those. I’m thinking of putting the entire app in the windows service instead of just the long running processes. Asp - wcf - bll Vs Asp - bll I know this will be more scalable. But it is probably overkill as everything will be running on the same box, even the database. This could change down the road if the server can’t handle the traffic like marketing says it will. I don’t have access to production hardware, just my crappy testing box and my local machine. Has anyone decided to go down this route? But mostly, what is the best way to test both methods to get some metrics?

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• TinyMCE refresh issue

  - by Luke

  I'm using TinyMCE, witch is working fine for the most part... when the user saves the page redirects to a a php page that extracts the textfield data and processes it, i wont elaborate cause that's no t the issue... the issue is that when it redirects back to the page... the textfield is blank and i can click on it but not see anything, if i type it enters(but i can't see it), this also happens when i go to the address directly, the only way i can see it is to hit the refresh button... i tried a meta refresh to the page... i tried disabling cache... any ideas would be great... thanks in advance

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• Listbox that when you reach the end it goes back to the beginning

  - by Roy

  Hi, Is there a way to make a Listbox go back to the beginning of the list once a user scrolls all the way to the end of list? Current aspx code: <ListBox x:Name="listbox"> <ListBox.ItemTemplate> <DataTemplate> <Image Name="imgSource" Source="{Binding Path=Url}" /> </DataTemplate> </ListBox.ItemTemplate> </ListBox> Current code behind code: public class ImageScroller { public string Url { get; set; } } public MainPage() { InitializeComponent(); LoadImages(); } void LoadImages() { listbox.ItemsSource = new List<ImageScroller> { new ImageScroller { Url = "images/Chrysanthemum.jpg" }, new ImageScroller { Url = "images/Desert.jpg" }, new ImageScroller { Url = "images/Hydrangeas.jpg" }, }; } Thanks for your help!

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• Does anyone know of a free tool to integrate Reflector with Visual Studio, besides TestDriven.NET?

  - by mark

  Dear ladies and sirs. I love the Go to Reflector menu option installed by TD.NET. However, TD.NET is not free for commercial use and so I do not have it at work. I am wondering if there is another tool out there that does just that - allows to jump to Reflector from the source code in VS and which is totally free. I know it is possible to develop a VS add-in that does it, but, alas, I have no time for it, so if anyone has already developed something like this - feel free to share. Regards,

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• How do I get a title or some text to appear in a Silverlight mediaplayer when switching to FullScree

  - by Matt

  I am working on an ASP.NET website with VB.NET code-behind. I have a Silverlight mediaplayer object on one of the pages and the user may view that video in FullScreen mode. When changing to full-screen mode they are losing the title and chapter of the video series they are viewing. I have tried accessing properties and searched the web for examples on how I could put a title or some text over the player when in FullScreen mode to give the user an indication of where they are currently at while viewing each video. I am using OnClientMediaEnded to move through the videos after each video has ended so they are able to watch the whole series once in FullScreen mode. I am using a call to javascript in with this method to do that and want to know if there is any way to get a title or text up there and then change once the video switches to the next in the series? The controls on the player also go away when going into FullScreen mode so any help with that would be greatly appreciated as well. Thanks

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• Using ASP.Net 4.0 for new Dev projects

  - by JBeckton

  I am currently in the early stages of developing a couple web applications, I have not written any code yet as I am still just gathering requirements and scoping things out. I want to target ASP.Net 4.0 winforms as the platform for these apps but I want to make sure there are no glaring issues with this new version before I commit. I understand that if I was porting an existing app from 2.0, 3.5 to 4.0 there may be issues but I am starting from scratch on these projects and plan to write these apps to support the new features of 4.0. Should I wait for the first service pack to come out? Just seems like more work to start with 3.5 now only to go back through and tweak things for 4.0 in just a few months or even before I finish the app. Our servers are Win 2K3 with IIS6 and MS SQL 2000, Should I expect any problems with VS 2010 and MS SQL 2000 in regards to Linq to SQL and EF?

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• curl cookie problem in PHP

  - by safaali

  hi as my client needs, I developed a code to login via cURl. login to www.web1.com and store cookies in cookie.txt go to www.web2.com and browse a page using that cookie.txt no problem with www.web2.com so when i want to do this with www.web3.com, the problem appears. the www.web3.com uses session and cookies itself and I have to gather and use them. it means I should have tow series of cookies, first those from www.web1.com , and second those from www.web3.com , then request the www.web3.com/somepage how I can do that?

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• iphone app photo upload to server from app threads

  - by user290380

  I have an app that needs to upload a least 5 photos to a server using API call available with the server. For that I am planning to use threads which will take care of photo upload and the main process can go on with the navigation of views etc. What I cant decide is whether it is OK to spawn five separate threads in iphone or use a single thread that will do the upload. In the later cases obviously it will become quite slow. Basically an HTTP POST request will be made to the server with the NSMutableURLRequest object using NSCOnnection. More threads mean more complexity and sync issues, but I can try to write code as neat as possible if it means better performance than a single thread which is simple but is a real stopper if performance is considered. Anybody with any experience in this kinda app. ??

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• Qt applications on new Mac App Store

  - by PDI

  I have a Qt app that runs on OS X that has potential to go on the new Mac App Store. I have reviewed the guidelines at https://developer.apple.com/appstore/mac/resources/approval/guidelines.html. I also saw a post here on SO about Java and the AppStore. Has anyone else considered this with their own apps and whether or not the Qt framework will run afoul of the App police? You still have to stay within the Apple HIG, i.e. no theming and cannot use private APIs. Still seems like a risky proposition over pure ObjC. Anyone else tempted?

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• Ruby on Rails: How can I authenticate different user types from one place?

  - by sscirrus

  Hi everyone! This is my first post on Stack Overflow. I am trying to build a system that authenticates three types of user with completely different site experiences: Customers, Employers, and Vendors. I'm thinking of using a polymorphic 'User' table (using AuthLogic) with username, password, and user_type (+ AuthLogic's other required fields). If this is a good way to go, how do I set this up so after authenticating an user_id with a user_type the standard way, I can direct the user to the page that's right for them? Thanks.

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• Free object/widget in GTK?

  - by wag2639

  I've got a pack box in my GTK application and I'm replacing it every once in a while with a completely new entry (at least for now cause I'm in a hurry). Since I'm replacing it with a new instance, do I need to explicitly free from memory the old pack box contents or is there some garbage collection in GTK? If I do need to explicitly need to free the object, is there a command that will recursively go to all objects in that tree (like will it clear my button in a box container inside my main pack box)? I'm using C/GTK-2.0 (gcc v4.4.3 and GTK 2.20.0).

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• How to restrict bounds for Translate Animation for a view in Android?

  - by Kiran Parmar

  Hello All. Let me explain the scenario that I want to achieve:- Consider the below as the Layout I have inside a Parent_Linearlayout: [Linear Layout] (Fill_Parent, Wrap_Content) [ScrollView] Activity's setContentView is set to the Parent_Linearlayout In the application, when a condition is met, I want the Scrollview to be removed from the screen and instead put another View in its place.<br> I've been able to do this, When I remove the ScrollView, I'm applying translate Animation to it so that it seems as if the View has gone to the top, before removing it. But when the animation occurs, the ScrollView translates OVER the Linear layout present above it. How do I restrict it, so that the scrollview does not go over the linear layout, but disappears at the base of the Linearlayout. I want the linearlayout to always stay visible.. I've been trying to do this from quite some time, but I've not been able to get desired results.. Could someone kindly help me out here??

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• Help with Custom Workflow that checks db

  - by zSysop

  I need to write a workflow that monitors the status of a sql server column/field and does work to some other tables once the column has changed to "Close". (It could wait for days or hours) My application is written in c# .net 3.5. I've done some really simple "hello world" type of apps with windows workflow foundation 3.5 but have not yet grasped how to do go about implementing something like this. Any help with code or articles on this would be extremely useful. Thanks in advance.

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• Implementing a "flag as spam/offensive" system

  - by UltraVi01

  I am looking for a community moderated way of managing/eliminating spam and offensive content. Functionality similar to StackOverflow and many other sites seems like a good way to go. Although I'm sure this could greatly vary based on specific needs, I am curious about the backend mechanism/algorithm --that is, has anyone had success using something like "3 strikes and you're out" -- the flagged post is automatically closed/deleted after 3 reports by users with the required credentials. Would something like this likely be effective or would it require a more complex solution to ensure honesty and effectiveness. Any thoughts / experiences would be great

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• How do you crop a specific area with paperclip in Rails (3)?

  - by Smickie

  Hi, I have paperclip in Rails (3) working with simple cropping, for example the blow code makes a simple crop of the thumbnail: has_attached_file :image, :styles => { :thumb => "90x90#" }, :default_style => :thumb However I was wondering how do you crop a very specific area of an image; lets say you have an x and y coordinate to start from and then a width and height of the crop. How do you go about passing a complex style like this in? Thanks very much.

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• Full GC real time is much more that user+sys times

  - by Stas

  Hi. We have a Web Java based application running on JBoss with allowed maximum heap size of about 1.2 GB (total machine physical memory is 2 GB). At some point the application stops responding (to clients) for several minutes. After some analysis we found out that the culprit is the Full GC. Here's an excerpt from the verbose GC log: 74477.402: [Full GC [PSYoungGen: 3648K-0K(332160K)] [PSOldGen: 778476K-589497K(819200K)] 782124K-589497K(1151360K) [PSPermGen: 102671K-102671K(171328K)], 646.1546860 secs] [Times: user=3.84 sys=3.72, real=646.17 secs] What I don't understand is how is it possible that the real time spent on Full GC is about 11 minutes (646 seconds), while user+sys times are just 7.5 seconds. 7.5 seconds sound to me much more logical time to spend for cleaning <200 MB from the old generation. Where does all the other time go? Thanks a lot.

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• Repository Design Pattern Guidance

  - by thefactor

  Let's say you have an MVVM CRM application. You have a number of customer objects in memory, through a repository. What would be the appropriate place to handle tasks that aren't associated with traditional MVVM tasks from a GUI? For example, let's say every few minutes you want to check to see if their address is valid and pop up a notification if it is not. Or you want to send out an hourly e-mail update. Or you want a window to pop up to remind you to call a customer at a specific time. Where does this logic go? It's not GUI/action-oriented, and it's not logic that would be appropriate for a repository, I think.

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• Regular expressions in a Python find-and-replace script?

  - by Haidon

  I'm new to Python scripting, so please forgive me in advance if the answer to this question seems inherently obvious. I'm trying to put together a large-scale find-and-replace script using Python. I'm using code similar to the following: findreplace = [ ('term1', 'term2'), ] inF = open(infile,'rb') s=unicode(inF.read(),charenc) inF.close() for couple in findreplace: outtext=s.replace(couple[0],couple[1]) s=outtext outF = open(outFile,'wb') outF.write(outtext.encode('utf-8')) outF.close() How would I go about having the script do a find and replace for regular expressions? Specifically, I want it to find some information (metadata) specified at the top of a text file. Eg: Title: This is the title Author: This is the author Date: This is the date and convert it into LaTeX format. Eg: \title{This is the title} \author{This is the author} \date{This is the date} Maybe I'm tackling this the wrong way. If there's a better way than regular expressions please let me know! Thanks!

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• PHP save a page then redirect to previous page(ajax)

  - by Shiro

  Dear all, I would like to ask for how to redirect to previous page (ajax paging). Example, Let's say currently I am in page 5, then I click on one record, after I edit it, I would like to go back to that page 5 not page 1. The problem is my paging is using ajax, http://domain/photo/#5 I try to use $_SERVER[http_referer], but I only get http://domain/photo , I not able to get # and the value. What is the best way to redirect back to the previous paging. My last choice is using $_SESSION. Hope I can get better answer here. Thx.

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• Find recipes that can be cooked from provided ingridients

  - by skaurus

  Sorry for bad English :( Suppose i can preliminary organize recipes and ingredients data in any way. How can i effectively conduct search of recipes by user-provided ingredients, preferably sorted by max match - so, first going recipes that use maximum of provided ingridients and do not contain any other ingrs, after them recipes that uses less of provided set and still not any other ingrs, after them recipes with minimum additional requirements and so on? All i can think about is represent recipe ingridients like bitmasks, and compare required bitmask with all recipes, but it is obviously a bad way to go. And related things like Levenstein distance i don't see how to use here. I believe it should be quite common task...

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• make db connection persistent throught zend framework

  - by kamikaze_pilot

  I'm using zend framework. currently everytime I need to use the db I go ahead and connect to the DB: function connect(){ $connParams = array("host" => $host, "port" => $port, "username" => $username, "password" => $password, "dbname" => $dbname); $db = new Zend_Db_Adapter_Pdo_Mysql($connParams); return $db } so I would just call the connect() function everytime I need to use the db My question is...suppose I want to reuse $db everywhere in my site and only connect once in the very initial stage of the site load and then close the connection right before the site gets sent to the user, what would be the best practice to accomplish this? Which file in Zend should I save $db in, what method should I use to save it (global variable?), and which file should I do the connection closing in?

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• Add widgets to custom WordPress sidebars on theme activation?

  - by McGirl

  I'm working on a WordPress 3.0 multi-site installation. Each new blog will use the same theme with slight modifications (a custom Thesis install, if it matters). I'm trying to automate the set-up process for each new blog as much as possible. To that end, I'd like to automatically add widgets to my custom sidebars and widget-enabled footers. It'd be even better if the widgets could have pre-set parameters/content, that I or the blog owner could then go into the Widgets panel and edit. I've searched high and low and haven't been able to figure out a way to make this work. Any and all suggestions are welcome. Thanks so much!

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• FtpWebResponse and StreamReader - specifying an offset

  - by AJ

  Hi, I am using the FtpWebRequest / FtpWebResponse objects in C# to download files from a server - so far, so good. I create a StreamReader object from the response stream and use a StreamWriter to create a local file. Now, the file I am reading happens to be in a very simple 'archive' format - there is a small TOC at the start of the file followed by the actual file data. I can therefore read the TOC and get a file offset and size of the data I want to download. My question is: Supposing the offset is 1024. I would use StreamReader.Read(buffer, 1024, length), but will .NET and the FTP protocol actually allow me to skip bytes 0-1023, or does the reader still go through the (relatively) slow process of downloading and discarding the bytes I don't need? This may make the difference between whether I want to use a single archive file, or a TOC file with the data files stored separately. As a bit of a secondary question, would my mileage vary using the Http classes instead of Ftp? Cheers, Adam

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• jquery.ui.tabs.js doesn't load tab data in IE9, Chrome - works perfectly fine in firefox

  - by Salma Khan

  I have few issues that I am facing on my site and I have no idea how to fix those. Please go to http://link.zambeel.ca/index.php/component/obituary/detail/52 and click on Photos tab, it doesn't load images promptly in IE9 and Chrome. I have made it work in firefox with the following code: var loadNextTab = function() { if (indexesToLoad.length == 0) return; var index = indexesToLoad.shift(); $("#tabs-1").tabs("load",index); }; $("#tabs-1").tabs({ cache: true, load: loadNextTab }); Please help me resolve this matter as soon as possible. Just to let you guys know, I am not a programmer by any means.

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