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• some OVERLAPS using WSASend not returning in a timely manner using GetQueuedCompletionStatus?

  - by Geoffrey

  Background: I'm using CreateIoCompletionPort, WSASend/Recv, and GetQueuedCompletionStatus to do overlapped socket io on my server. For flow control, when sending to the client, I only allow several WSASend() to be called when all pending OVERLAPs have popped off the IOCP. Problem: Recently, there are occassions when the OVERLAPs do not get returned to the IOCP. The thread calling GetQueuedCompletionStatus does not get them and they remain in my local pending queue. I've verified that the client DOES receive the data off the socket and the socket is connected. No errors were returned when the WSASend() calls were made. The OVERLAPs simply "never" come back without an external stimulus like the following: Disconnecting the socket from the client or server, immediately allows the GetQueuedCompletionStatus thread to retrieve the OVERLAPs Making additional calls to WSASend(), sometimes several are needed, before all the OVERLAPs suddenly pop off the queue. Question: Has anyone seen this type of behavior? Any ideas on what is causing this? Thanks, Geoffrey

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• What can cause a double page request?

  - by johnnietheblack

  I am currently investigating a double request problem on my site. Not all the time, but sometimes, a requested page will in fact load twice...which is not a problem really until it is on a page with PHP that inserts stuff into my db on request (my tracking script). I have read that an empty src in an image tag, and an empty url() in a css background could potentially cause the page to be requested twice. However, I can't find any problems with those. Is there anything else that could be causing something like this?

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• jQuery jPicker path issues when used in WordPress Theme Options

  - by Scott B

  Anyone with experience using jPicker colorpicker in a WordPress Custom Theme options panel. I believe that the default path for the jPicker resources is /jPicker/ relative to the location the js file appears, however, I'm not seeing the picker.gif icon, so I tried changing the path in the js file like so... images:{clientPath:"../wp-content/themes/myTheme/images/" Everything else appears to be working at first load. My bound input field's background color is the same as the currently selected color. However, the picker.gif icon is missing. Where it should appear, I've just got a 2px wide by 20px tall color element (looks like a div perhaps).

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• How to force programs out of swap file when a resources-intensive batch finishes?

  - by sharptooth

  We use employees' desktops for CPU-intensive simulation during the night. Desktops run Windows - usually Windows XP. Employees don't log off, they just lock the desktops, switch off their monitors and go. Every employee has a configuration file which he can edit to specify when he is most likely out of office. When that time comes a background program grabs data for simulation from the server, spawns worker processes, watches them, gets results and sends them to the server. When the time specified by the employee elapses simulation stops so that normal desktop usage is not interfered. The problem is that simuation consumes a lot of memory, so when the worker processes run they force other programs into the swap file. So when the employee comes all the programs he left are luggish and slow until he opens them one by one so that they are unswapped. Is there a way the program can force other programs out of swap file when it stops simulation so that they again run smoothly?

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• How can an animator do animation targeted for the iPhone

  - by teepusink

  Hi, I'm working with an animator for the iPhone. The animator I'm working with isn't a programmer and has a background in Flash. (right now she's doing the animation in Flash and I need to convert to Objective C). For some it's ok because I can just use image frames, but there are more complex animation that would take longer for me to convert to Objective C. Is there any tools out there that can help the work flow easier? Just trying to find a way so I can just take the animation and stick it into the project. Thanks, Tee

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• How to flush data in php and disconnect user but keep the script alive

  - by Rodrigo

  This is a trick question, while developing a php+ajax application i felt into some long queries, nothing wrong with them, but they could be done in background. I know that there's a way to just send a reply to user while throwing the real processing to another process by exec(), however it dosen't feels right for me, this might generate exploits and it's not pratical on making it compatible with virtual servers and cross platform. PHP offers the ob_* functions although they help on flushing the cache, but the user will keep connected until the script is running. I'm wondering if there's an alternate to exec to keep a script running after sending data to user and closing connection/thread with apache, or a less "dirty" way to have processing data sent to another script.

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• How do i put a border on my grid in WPF?

  - by Jason94

  How do i put a border on my grid in C#/WPF? This is what i would like it to be, but puts a border around the whole thing instead of the grid control i put in my application. <Grid> <Border BorderBrush="Black" BorderThickness="2"> <Grid Height="166" HorizontalAlignment="Left" Margin="12,12,0,0" Name="grid1" VerticalAlignment="Top" Width="479" Background="#FFF2F2F2" /> </Border> ... and so on ...

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• JQuery Autocomplete CSS not working?

  - by gath

  I am trying to implement JQuery Autocomplete pluggi using Django. I've been able to wire the thing together and I can actually see the result back in the HTML template. My problem is that the JQuery Autocomplete CSS doesn't seem to work. The results I get are not well formatted/styled, and they have no background and you cannot even select them. What is it that am missing? I have these three files in my media folder same folder: autocomplete.js dimensions.js autocomplete.css In my html template I have the following function: $(function(){ setAutoComplete("tags", "tagResults", "/taglookup/?query="); }); My textfield looks like this; <input type="text" name="tags" value=""> Where do I put the tagResults in my HTML template document? Every time I try to introduce a DIV with id="tagResults", JQuery throws an error. Any ideas?

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• Should I use Perl or PHP or something else for this project?

  - by Clinton

  I'm about to embark on a project that will need to: Process XML Heavy text parsing of non-xml documents Insertion of data from xml and non-xml documents into a relational DB. Present processed data to user from db using webpages. The website will be subject to short periods of very heavy loads to pages (300+ visitors a minute for several minutes), but most of the time will be idle (a dozen or so visitors a minute). The ability to cache or scale to load will be very nice. I have a very strong background in Java and web services, but I do not want to use Java for this project as I'd like to diversify my skill set. Which language would you recommend and what are some pros and cons that you might recognize from your own experiences?

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• How to dynamically modify NHibernate load queries at runtime? EventListeners? Interceptors?

  - by snicker

  I need to modify the query used to load many-to-one references in my model. Specifically, I need to be able to further filter this data. Unfortunately, NH will not allow me to filter many-to-one relationships using the built in filtering system (?). I could just be doing something incorrect. Is there a hook where I can manually and dynamically modify the query used to load the data? Or an alternative to filters that will allow me to specify parameters? Background: I am working with a database that is using a form of revision control, with each entity having a natural ID PK, an EntityId, a RevisionValidTo and RevisionValidFrom field. There may be many rows using the same EntityId, which is the reference for other tables to join on, but the Revision ranges are mutually exclusive. Thus, the relationship is only many-to-one IIF the filter is applied. However, NH offers no way to specify a filter on many-to-one references (they do for collections...)

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• Android how to make ImageView with a minWidth have a border?

  - by Kman

  I want to diplay an image so that it takes up a minmum width of the screen and should scale in its aspect ratio (the image width might be smaller or larger than the minimun width) I also want to have a fixed size border around this image. This is my xml section for it: <ImageView android:id="@+id/detailed_view_boxArt" android:layout_width="wrap_content" android:layout_height="wrap_content" android:minWidth="150dp" android:layout_alignParentLeft="true" android:layout_below="@id/detailed_view_heading" android:padding="10dp" android:layout_marginLeft="5dp" android:scaleType="centerInside" android:background="#000"/> This however does not produce what I want...the problem is that it does not scale the image horizontally far enough (ie. the 10px padding that I have seems a lot more on the right and left) How would I produce the result that I want?

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• Async call Objective C iphone

  - by Sam

  Hi guys, I'm trying to get data from a website- xml. Everything works fine. But the UIButton remains pressed until the xml data is returned and thus if theres a problem with the internet service, it cant be corrected and the app is virtually unusable. here are the calls: { AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate]; if(!appDelegate.XMLdataArray.count > 0){ [UIApplication sharedApplication].networkActivityIndicatorVisible = YES; [appDelegate GetApps]; //function that retrieves data from Website and puts into the array - XMLdataArray. } XMLViewController *controller = [[XMLViewController alloc] initWithNibName:@"MedGearsApps" bundle:nil]; [self.navigationController pushViewController:controller animated:YES]; [controller release]; } It works fine, but how can I make the view buttons functional with getting stuck. In other words, I just want the UIButton and other UIButtons to be functional whiles the thing works in the background. I heard about performSelectorInMainThread but i cant put it to practice correctly any help is appreciated :)

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• is there any cross platform process manager tool

  - by lvlv

  I need a program that is able to launch a set of processes according to a schedule/configuration; the program would run in the background and restart the processes in case they crash. There are standard tools for this kind of task on both windows and unix - what I need is a cross platform program which could run on different operating systems using the same configuration. A portable C/C++ library which implements the basic functionality (i.e. create processes, signal process termination events and all that) would be ok too.

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• C# testing framework that works like JUnit in Eclipse?

  - by bluebomber357

  Hello all, I come from a Java/Eclipse background and I fear that I am spoiled by how easy it is to get JUnit and JMock running in Eclipse, and have that GUI with the bar and pass/fail information pop up. It just works with no hassle. I see a lot of great options for testing in C# with Visual Studio. NUnit looks really nice because it contains unit and mock testing all in one. The trouble is, I can't figure out how to get the IDE display my results. The NUnit documentation seems to show that it doesn't automatically show results through the VS IDE. I found http://testdriven.net/, which seems to trumpet that is makes VS display these stats and work with multiple frameworks, but it isn't open source. Is there anyway to get unit and mock testing working with the VS IDE like it does in Java with Eclipse?

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• What is the second best possible way to make this content box round corner (without border-radius)?

  - by jitendra

  Is it possible to make this box's corner round with same html tags. without using any other tag and border-radius property. but i can use css classes and background images. and box height should be depend on content of <p>grr</p> <h2>Nulla Facilisi</h2> <p> Phasellus at turpis lacus. Nulla hendrerit lobortis nibh. In lectus erat, blandit non feugiat vel, accumsan ac dolor. Etiam et ligula vel tortor tempus vehicula porttitor ut ligula. Mauris felis odio, fermentum vel </p> Edit : What is the best possible way to achieve this without css border-radius property which is not supported by internet explorer?

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• OOWrite is to LaTeX as OODraw is to?

  - by grimborg

  I'm looking for a tool to nicely generate single-page PDFs. My needs are: Able to put a PDF/EPS/... as a background Absolute positioning Able to define tables, lists Able to rotate blocks Reasonably easy syntax (will be used to automatically generate many similar looking documents) Easily usable from Python Free or very cheap In essence I'm looking for the tool X that is to OODraw/CorelDraw/... as LaTeX is to OOWrite/MS Word. I've looked at webkit2pdf and a headless OODraw, but both seem a bit of an overkill. XML-FO has some limitations such as not being able to predict how many pages your document spans. Reportlab is pricey. Any ideas? Thanks!

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• Is it good to continue as MFC developer or good to know .NET as well?

  - by AKN

  Normally people say MFC is little clumsy. It makes UI developement slightly difficult to maintain since it has lot of auto generated code. It has good architecture (doc/view) but is not transparent like Win32 programming to understand how window program works in the background. So with this situation, is it good to extend the exposure on MFC programming or better to switch to .NET since for faster UI design with ease in maintenance. How globally companies are looking into MFC as a technology for UI developments. Are they comfortable in supporting their developers to continue with MFC or looking for changing their development technology.

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• C# to Java: What is a [DefaultProperty("value")]?

  - by Shiftbit

  I do not understand how the DefaultProperty Metadata tag work or what it signifies. I've read the MSDN and went through the sample but I find it confusing. DefaultPropertyAttribute Class I've read a few blogs and they seem to refer to the indexers. I'm not sure why you would want metadata for your properties? I am coming from a Java background, perhaps a Java analogy would help. [DefaultProperty("Value")] public abstract class FOO<T> : ANY, IBAR<T> { public FOO() { } public FOO(T value) { this.Value = value; } public virtual T Value { get; set; } } Follow up: Property Grid

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• Faking user interaction on CMS

  - by Leocer

  I'm working with a CMS and need to import data to it using typical html forms. The data itself is in csv files with one page per row. Such is the CMS that importing directly to db isn't possible due to the complexity of the design. It's pretty important that i "fake" usual user interaction because the CMS does a lot of background work that's crucial for the import. Basically, for each row in the csv file, I need to copy a csv column to a html textfield, or select a checkbox, or click a certain button. One major issue is mapping the data in the csv to actions in the CMS. So if one column contains the string 'foobar' is really means "set the firstName dropdown widget to 'foobar'". Is there a tool to automate this? I´ve been looking at AutoHotKey, Selendium, Web-Harvester and many other tools but I'm not convinced they are the correct tools. The main problem is being able to interact with the html pages in a easy way.

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• is there a tool to see the difference between two database tables in SQL Server?

  - by reinier

  What is a good tool to see the differences between 2 tables (or even better, the datasets returned by 2 queries). EDIT: I'm not interested in the schema changes. Just assume that the schemas are the same. background as to why: I'm porting some legacy code which can fill a database with some pre-calced data. The easiest way to see if I got everything right, is to check the output of the old program, with the new one. I was thinking that if there is some kind of 'diff' tool for databases, this might be great.

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• Optional attribute values in MappedField

  - by David Brooks

  I'm new to Scala and Lift, coming from a slightly odd background in PLT Scheme. I've done a quick search on this topic and found lots of questions but no answers. I'm probably looking in the wrong place. I've been working my way through tutorials on using Mapper to create database-backed objects, and I've hit a stumbling block: what types should be used to stored optional attribute values. For example, a simple ToDo object might comprise a title and an optional deadline (e.g. http://rememberthemilk.com). The former would be a MappedString, but the latter could not be a MappedDateTime since the type constraints on the field require, say, defaultValue to return a Date (rather than a Date or null/false/???). Is an underlying NULL handled by the MappedField subclasses? Or are there optional equivalents to things like MappedInt, MappedString, MappedDateTime that allow the value to be NULL in the database? Or am I approaching this in the wrong way?

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• FLEX: can I completely remove buttons effects ?

  - by Patrick

  hi, how can I completely remove button effects from a Button component in Flex ? Background, Fill and border are completely white. But still I've a black shadow around the button (see picture bloew): http://dl.dropbox.com/u/72686/button.png thanks Button { fillAlphas: 1.0, 1.0, 1.0, 1.0; fillColors: #FFFFFF, #FFFFFF; themeColor: #FFFFFF; borderColor: #FFFFFF; cornerRadius: 0; paddingTop: 0; paddingLeft: 0; paddingRight: 0; paddingBottom: 0; horizontalGap: 0; leading: 0; fontWeight: normal; color: #000000; textSelectedColor: #000000; textRollOverColor: #000000; }

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• Flex - weird display behavior on large number of Canvas

  - by itarato

  Hi, I have a Flex app (SDK 3.5 - FP10) that does mindmap trees. Every node is a Canvas (I'm using Canvas specific properties so I needed it). It has a shadow effect, background color and some small ui element on it (like icons, texts...). It works perfectly until it goes over ~700 nodes (Canvas). Over that number it shows grey rectangles: http://yfrog.com/bhw2pj . If I turn off the DropShadowFilter effect for the Canvas, they are also gone, so I assume it's a DropShadowFilter problem: http://yfrog.com/2d9y8j . The effect is simple: private static var _nodeDropShadow:DropShadowFilter = new DropShadowFilter(1, 45, 0x888888, 1, 1, 1); _backgroundComp.filters = _nodeDropShadow; Is it possible that Flex can't handle that much? Thanks in advance

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• Detailed change history of .NET framework versions?

  - by gehho

  I am looking for a detailed change history (including bugfixes) of all .NET framework versions, especially the changes between 2.0 and 3.5 SP1. I know that something like that exists for v2.0 and v1.1, and for v4.0. However, I could not find a history for v3.0 and v3.5/SP1. Background: (slightly edited) We are having issues somewhere between deserialization of some XML data (using XmlReader) and the display of the data in the UI. These problems appear when we use .NET 3.5 SP1, but we did not have them in v2.0. Now, I would like to know if this is related to some change/bugfix in the framework, or if this is related to some other difference. Unfortunately, we do not have the source code of that piece of software, and most of the software is written using native C++/MFC, except for the deserialization part which is .NET.

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• Does Windows 7 have a Kiosk Mode?

  - by Jordan

  I'm writing a Kiosk on a Windows 7 computer. The Kiosk is on a touch screen computer, that will not have a keyboard. The application is a WPF application running the .NET Framework version 3.5. I'm having problems with the progress bar task bar showing up (blinking) at the bottom of the screen. This unfortunately gives the user access to the background operating system. Is there someway to lock a full screen application window into the front of the screen without using it on-top-of-everything mode. Some sort of Kiosk mode, or some tool that was designed for this.

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