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  • How to virtually delete data from multiple tables that are linked by a foreign key ?

    - by Shantanu Gupta
    I am using Sql Server 2005 This is a part of my database diagram. I want to perform deletion on my database which will start from tblDomain up tp tblSubTopics. Consider that each table has IsDeleted column which has to be marked true if request was made to delete data. But that data shoud remain their physically. Tables which will have IsDeleted Column are tblDomain tblSubject tblTopic tblSubTopic Now I want, if a user marks one domain as deleted then all the refrence field should also get marked as deleted. i.e. 1 domain is related to 5 subjects, those 5 subjects are related to 25 topics, those 25 topics are related to 500 subtopics and so on. Then how should i mark all these fileds as Deleted. ?

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  • Web app - Biometric system connection

    - by DMin
    Hi, I will be developing an application for a club where they will have visitors use biometric systems(finger print) or magnetic cards to mark their attendance. This application is planned as a web app, made using PHP/MySQL/Javascript. It does a lot of other things as well. What I wanted to find out is how is the interface between Biometric/Megnetic Card systems to a web app done? I've never worked on this and am hoping if someone who has experience with this can throw some light on this as to how this could be accomplished. Any pointers will be appreciated. (I'm afraid there's got to be some form of application installed on a pc that would interface with the hardware and probably makes calls to the web app. But, if there was a way to connect it to the web app directly, then the app would be easy to deploy to any location with minimal installation.) Thanks! :)

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  • What HTTP headers are required to refresh a page on back button.

    - by cantabilesoftware
    I'm trying to get a page to refresh when navigated to from the back button. From what I understand after reading around a bit I should just need to mark the page as uncacheable but I can't get any browsers to refresh the page. These are the headers I've currently got: Cache-Control:no-cache Connection:keep-alive Content-Encoding:gzip Content-Length:1832 Content-Type:text/html; charset=utf-8 Date:Mon, 07 Jun 2010 14:05:39 GMT Expires:-1 Pragma:no-cache Server:Microsoft-IIS/7.5 Vary:Accept-Encoding Via:1.1 smoothwall:800 (squid/2.7.STABLE6) X-AspNet-Version:2.0.50727 X-AspNetMvc-Version:2.0 X-Cache:MISS from smoothwall X-Powered-By:ASP.NET Why would the browser pull this page from it's browser history and not refresh it?

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  • In the following implementation of static_strlen, why are the & and parentheses around str necessary

    - by Ben
    If I change the type to const char str[Len], I get the following error: error: no matching function for call to ‘static_strlen(const char [5])’ Am I correct that static_strlen expects an array of const char references? My understanding is that arrays are passed as pointers anyway, so what need is there for the elements to be references? Or is that interpretation completely off-the-mark? #include <iostream> template <size_t Len> size_t static_strlen(const char (&str)[Len]) { return Len - 1; } int main() { std::cout << static_strlen("oyez") << std::endl; return 0; }

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  • How do I set default values on new properties for existing entities after light weight core data migration?

    - by Moritz
    I've successfully completed light weight migration on my core data model. My custom entity Vehicle received a new property 'tirePressure' which is an optional property of type double with the default value 0.00. When 'old' Vehicles are fetched from the store (Vehicles that were created before the migration took place) the value for their 'tirePressure' property is nil. (Is that expected behavior?) So I thought: "No problem, I'll just do this in the Vehicle class:" - (void)awakeFromFetch { [super awakeFromFetch]; if (nil == self.tirePressure) { [self willChangeValueForKey:@"tirePressure"]; self.tirePressure = [NSNumber numberWithDouble:0.0]; [self didChangeValueForKey:@"tirePressure"]; } } Since "change processing is explicitly disabled around" awakeFromFetch I thought the calls to willChangeValueForKey and didChangeValueForKey would mark 'tirePresure' as dirty. But they don't. Every time these Vehicles are fetched from the store 'tirePressure' continues to be nil despite having saved the context.

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  • Making all links inside of a div call the same function?

    - by Brandon
    I'm trying to make a notification area that will show alerts. return this.each(function() { jQuery('<div class="' + o['className'] + '">' + o.msg + ' + '<a href="#" onclick="$(this).parent().remove(); dismiss(' + o["id"] + ');">X</a>' + '</div>') .appendTo(this); }); This just takes a message pulled from the database, and shows it to the user. If the user clicks the X then it will call dismiss() which will mark it as being read in the database. The thing is, if the message itself contains a link to another page or external site, I also want to call dismiss() before the user leaves the page. Is there anyway to alter this javascript to take all a elements (the X and any links that would appear in the message) and change the onclick to call the function?

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  • jQuery gallery scrolling effect with ease

    - by Sebastian Otarola
    So, I got this page from a friend and I think the gallery is amazingly done. Too bad it's in Flash ; http://selected.com/en/#/collection/homme/ Now, I'm trying to replicate the effect with jQuery. I've made all the loco searches on google one could think of. Zooming the picture is not a problem, the problem lies within the scrolling, how they come together at the ease part. I'm looking for solution in how to make the thumbnail animate when you scroll the page, they drag behind and infront of each other in a very subtle way - I've got (With a lot of help from Whirl3d in the jQuery-irc channel) this for the scrollup/down part of the mouse but the scrolling goes haywire; I Thought I post it here where I've come many times to get answers to a lot of questions and code-errors. This is my first post in stackoverflow and I know you guys are geniuses! Give it a shot! Thanks in advance! jQuery Part $(document).ready(function() { var fronts=$(".front"); var backs=$(".back"); var tempScrollTop, currentScrollTop = 0; $(document).scroll(function () { currentScrollTop = $(document).scrollTop(); if (tempScrollTop < currentScrollTop) { //Scroll down fronts.animate({marginTop:"-=100"},{duration:500, queue:false, easing:"easeOutBack"}); backs.animate({marginTop:"-=100"}, {duration:300, queue:false, easing:"easeOutBack"}); console.log('scroll down'); } else if (tempScrollTop > currentScrollTop) { //scroll up fronts.animate({marginTop:"+=100"},{duration:500, queue:false, easing:"easeOutBack"}); backs.animate({marginTop:"+=100"}, {duration:300, queue:false, easing:"easeOutBack"}); console.log('scroll up'); } tempScrollTop = currentScrollTop ;}) ;}); The HTML <html> <head> <link rel="stylesheet" type="text/css" href="style.css" /> <script type="text/javascript" src="http://code.jquery.com/jquery-1.7.2.min.js"></script> <script type="text/javascript" src="http://www.paigeharvey.net/assets/js/jquery.easing.js"></script> <script type="text/javascript" src="gallery.js"></script> <title>Parallax testing image gallery</title> </head> <body> <div class="container"> <div class='box front'>First Group</div> <div class='box back'>First Group</div> <div class='box front'>First Group</div> <div class='box back'>First Group</div> <br style="clear:both"/> <div class='box front'>Second Group</div> <div class='box back'>Second Group</div> <div class='box front'>Second Group</div> <div class='box back'>Second Group</div> <br style="clear:both"/> <div class='box front'>Third Group</div> <div class='box back'>Third Group</div> <div class='box front'>Third Group</div> <br style="clear:both"/> </div> </body> And finally the CSS Part .container {margin: auto; width: 410px; border: 1px solid red;} .box.front{border: 1px solid red;background-color:Black;color:white;z-Index:500;} .box.back {border: 1px solid green;z-Index:300;background-color:white;} .box {float:left; text-align:center; width:100px; height:100px;}

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  • Can I cycle through instances of a style selected via the MS Word styles pane?

    - by Deditos
    Often when I have many co-authors on a MS Word document I find that some of them don't use the styles I've defined for the document, but have achieved similar formatting manually. This results in many styles listed as "in use", each with perhaps only a handful of instances. Word will highlight these instances for me, but then find myself browsing the entire document to check whether they need correcting or are special cases. This can be a particular pain for a long document and when these style fragments occur in the white space between words or paragraphs. Is there a way to cycle through the highlighted instances of a particular style rather than having to hunt for them visually?

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  • Okular (on Ubuntu 9.10) prints multiple pages per sheet (n-up) very small

    - by dgleich
    I'm trying to print a set of beamer slides with multiple slides per page (4-up or 6-up). When I select 4 pages or 6 pages per sheet in the Okular print dialog, the pages print quite small (perhaps even tiny -- about 1.75" by 1.25") and leave significant white-space on the page. I can get around this behavior by using the pdfnup utility (in the pdfjam package); which will correctly generate a 4- or 6-up pdf file but it's annoying to generate a second pdf file when I should be able to accomplish this task from the print dialog. Details: Ubuntu 9.10 (Karmic), 64-bit, Color Postscript printer.

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  • .NET generic class instance - passing a variable data type

    - by FerretallicA
    As the title suggests, I'm tyring to pass a variable data type to a template class. Something like this: frmExample = New LookupForm(Of Models.MyClass) 'Works fine Dim SelectedType As Type = InstanceOfMyClass.GetType() 'Works fine frmExample = New LookupForm(Of SelectedType) 'Ba-bow! frmExample = New LookupForm(Of InstanceOfMyClass.GetType()) 'Ba-bow! LookupForm<Models.MyClass> frmExample; Type SelectedType = InstanceOfMyClass.GetType(); frmExample = new LookupForm<SelectedType.GetType()>(); //Ba-bow frmExample = new LookupForm<(Type)SelectedType>(); //Ba-bow I'm assuming it's something to do with the template being processed at compile time but even if I'm off the mark there, it wouldn't solve my problem anyway. I can't find any relevant information on using Reflection to instance template classes either. (How) can I create an instance of a dynamically typed repository at runtime?

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  • Monitor weirdness/flickering with new Viao PCG-3112L

    - by Rosarch
    I have a Sony VAIO PCG-3112L running Windows 7. It worked fine on one monitor, but now I'm using it with a 2 year old LG Flatron W2252TQ-TF. The colors are sorta off (although that might just be the monitor), but more annoyingly there are many horizontal flickering lines. It's more noticeable on non-white backgrounds. I tried rebooting the monitor, and reseting it to factory settings, but that didn't solve the issue. What could be the cause of this? The monitor works fine with an Asus netbook. I have checked that both ends of the VGA cable are plugged in between the Vaio and the monitor.

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  • Want 2 external monitors with a 13' MacBook - is this possible?

    - by kevinburke
    I've got a 13' white MacBook from 2008 and I'd like to run one or two external monitors, my budget is $500. I've tried to do research and this is what I was going to get - will these work OK? Two Diamond BVU195 HD USB Display Adapters (DVI and VGA with included DVI to VGA adapter) to plug into the USB port Two Dell ST2310 monitors One external USB hub so I don't use up both of my USB ports Will this work? I've read some people say it does and some people say it doesn't, but I don't know enough to say either way. Also do you have recommendations for a better monitor than the dell sd2310? what's the best setup I can buy for $500? Thanks very much for your help, Kevin

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  • Why does text look so Horrible on my HD monitor?

    - by Laura
    I just bought a 1080p 22" Samsung Syncmaster 2333HD (connected via HDMI) and the picture and video quality is great but the text quality is absolutely horrible. This monitor has a built in HD TV tuner. Even as I type now all the text in this text box as well as in the browser toolbar and start menu, etc looks weird - like it all has a white outline around it that makes it jagged and hard to read. It hurts my eyes just to look at it. I am running my PC in the suggested native resolution of 1920x1080, so what's the problem? Is this one of the unavoidable downsides of using a HD monitor? Is there a solution to the problem?

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  • What are your favorite extension methods for C#/.NET? (codeplex.com/extensionoverflow)

    - by bovium
    Let's make a list of answers where you post your excellent and favorite extension methods. The requirement is that the full code must be posted and a example and an explanation on how to use it. Based on the high interest in this topic I have setup an Open Source Project called extensionoverflow on Codeplex. Please mark your answers with an acceptance to put the code in the Codeplex project. Please post the full sourcecode and not a link. Codeplex News: 11.11.2008 XmlSerialize / XmlDeserialize is now Implemented and Unit Tested. 11.11.2008 There is still room for more developers. ;-) Join NOW! 11.11.2008 Third contributer joined ExtensionOverflow, welcome to BKristensen 11.11.2008 FormatWith is now Implemented and Unit Tested. 09.11.2008 Second contributer joined ExtensionOverflow. welcome to chakrit. 09.11.2008 We need more developers. ;-) 09.11.2008 ThrowIfArgumentIsNull in now Implemented and Unit Tested on Codeplex.

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  • Why are default spamassassin rules not being applied to emails we generate?

    - by Chance
    My company uses a standalone spam-assassin install to test marketing emails, however, mail originating from us does not seem to run the full gamut of test. For example, Spam assassin has a default rule that flags messages that contain the phrase Dear [Something], and it properly flags spam that I feed it.It does not, however, apply that same rule to in house email I send it. Is it possible that spam assassin has white-listed us somehow, perhaps because the mail originates in the same domain as the server or receiver? I believe most of the recent spamassassin questions have been mine, so thanks for bearing with me as I figure this out! Chance EDIT Details on our SA setup: We are piping the emails into the CL with spamc -R < test_email.eml Identical results testing as root or a user, no user_prefs file

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  • Alternatives to amavis for RAM-bound server

    - by rsuarez
    I'm running a small VPS server that works as web and mail server. It has only 256MB of RAM, and it's sucking 100MB of swap constantly. I've found that one of the culprits is amavis, taking about 30MB of resident memory, and would like to ditch it and use some alternative. I don't have much mail daily, so it being a bit slower wouldn't be a problem. I'd like to avoid Spamassassin altogether, if possible, because it's quite big even if used in offline mode. I'm already using RBLs and a few small blacklists, and used greylisting for a while but abandoned it because it gave me a few problems (don't remember which; I think it was related to not configuring properly white lists for several big ISPs). So, is there some alternative to amavis that I could use without much RAM (and if possible, CPU) usage? Thanks in advance.

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  • Changing ati graphics setting into a batch file

    - by FrozenKing
    I want to change my saturation level to zero and again to default but I can do it manually by going to ati catalyst center. Since, I want to do it regularly I need some batch file code or program to alter this settings in a click or using shortcut keys. The reason I am doing this because I want to change my screen to black and white from color since b/w will make my eyes less tired then a colored display. I came to know about this saturation from my previously asked question : Changing display color from B/W to color (vice-versa)using a program.

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  • How do I change until the next underscore in VIm?

    - by Nathan Long
    If I have this text in vim, and my cursor is at the first character: www.foo.com I know that I can do: cw to change up to the first period, because a word (lowercase w) ends at any punctuation OR white space cW to change the whole address, because a Word (uppercase w) ends only at whitespace Now, what if I have this: stupid_method_name and want to change it to this? awesome_method_name Both cw and cW change the whole thing, but I just want to change the fragment before the underscore. My fallback technique is c/_, meaning 'change until you hit the next underscore in a search,' but for me, that also causes all underscores to be highlighted as search terms, which is slightly annoying. Is there a specifier like w or W that doesn't include underscores?

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  • Visual Studio add-in for performance benchmarking

    - by chiccodoro
    I'd like to measure the performance of some code blocks in my c# winforms application. In particular I want to measure performance regression/improvement after some restructuring of the code. So long I've seen the System.Diagnostics.Stopwatch. However, I want to avoid writing measuring code into my classes, I would rather prefer to separate measuring from actual code. As for debugging, you can set breakpoints on several code lines and "jump" from one to the next by "Continue Execution", I imagine something similar for measuring: Mark to lines of code and make Visual Studio display the time elapsing from one to the next. Is there any feature/add-in in that direction?

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  • Regular expressions and matching URLs with metacharacters

    - by James P.
    I'm having trouble finding a regular expression that matches the following String. Korben;http://feeds.feedburner.com/KorbensBlog-UpgradeYourMind?format=xml;1 One problem is escaping the question mark. Java's pattern matcher doesn't seem to accept \? as a valid escape sequence but it also fails to work with the tester at myregexp.com. Here's what I have so far: ([a-zA-Z0-9])+;http://([a-zA-Z0-9./-]+);[0-9]+ Any suggestions? Edit: The original intent was to match all URLs that could be found after the first semi colon.

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  • having trouble in mysql if statement

    - by user225269
    I just want to simplify what I am doing before, having multiple php files for all data to be listed. Here is my html form: <table border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#D3D3D3"> <tr> <form name="formcheck" method="post" action="list.php" onsubmit="return formCheck(this);"> <td> <table border="0" cellpadding="3" cellspacing="1" bgcolor=""> <tr> <td colspan="16" height="25" style="background:#5C915C; color:white; border:white 1px solid; text-align: left"><strong><font size="3">List Students</td> </tr> <tr> <td width="30" height="35"><font size="3">*List:</td> <td width="30"><input name="specific" type="text" id="specific" maxlength="25" value=""> </td> <td><font size="3">*By:</td> <td> <select name="general" id="general"> <font size="3"> <option>Year</option> <option>Address</option> </select></td></td> </tr> <tr> <td width="10"><input align="right" type="submit" name="Submit" value="Submit" > </td> </tr> </form> </table> And here's the form action: <?php $con = mysql_connect("localhost","root","nitoryolai123$%^"); if (!$con) { die('Could not connect: ' . mysql_error()); } mysql_select_db("school", $con); $gyear= $_POST['general']; if ("YEAR"==$_POST['general']) { $result = mysql_query("SELECT * FROM student WHERE YEAR='{$_POST["specific"]}'"); echo "<table border='1'> <tr> <th>IDNO</th> <th>YEAR</th> <th>LASTNAME</th> <th>FIRSTNAME</th> </tr>"; while($row = mysql_fetch_array($result)) { echo "<tr>"; echo "<td>" . $row['IDNO'] . "</td>"; echo "<td>" . $row['YEAR'] . "</td>"; echo "<td>" . $row['LASTNAME'] . "</td>"; echo "<td>" . $row['FIRSTNAME'] . "</td>"; echo "</tr>"; } echo "</table>"; } mysql_close($con); ?> Please help, how do I equate the YEAR(column in mysql database) and the option box(general). if ("YEAR"==$_POST['general']) please correct me if I'm wrong.

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  • How do I get a count of events each day with SQL?

    - by upl8
    I have a table that looks like this: Timestamp Event User ================ ===== ===== 1/1/2010 1:00 PM 100 John 1/1/2010 1:00 PM 103 Mark 1/2/2010 2:00 PM 100 John 1/2/2010 2:05 PM 100 Bill 1/2/2010 2:10 PM 103 Frank I want to write a query that shows the events for each day and a count for those events. Something like: Date Event EventCount ======== ===== ========== 1/1/2010 100 1 1/1/2010 103 1 1/2/2010 100 2 1/2/2010 103 1 The database is SQL Server Compact, so it doesn't support all the features of the full SQL Server. The query I have written so far is SELECT DATEADD(dd, DATEDIFF(dd, 0, Timestamp), 0) as Date, Event, Count(Event) as EventCount FROM Log GROUP BY Timestamp, Event This almost works, but EventCount is always 1. How can I get SQL Server to return the correct counts? All fields are mandatory.

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  • Which edition of windows internals should I read?

    - by pecker
    Hello, I want to get into windows driver development. I heard from the community that before diving into driver development one must be familiar with windows internals that means one must read "Windows Internals by Mark Russinovich. I'm going to buy this book today. Which edtition should I buy? 4th edition covers Windows XP & Windows 2003 where as 5th edition covers Windows Vista & windows server 2008. I don't know in driver world how much difference this thing would make. How different are these two editions? should I first read 4th edition & then come to 5th or should I directly dive into 5th?

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  • What are your favorite extension methods for C#? (codeplex.com/extensionoverflow)

    - by bovium
    Let's make a list of answers where you post your excellent and favorite extension methods. The requirement is that the full code must be posted and a example and an explanation on how to use it. Based on the high interest in this topic I have setup an Open Source Project called extensionoverflow on Codeplex. Please mark your answers with an acceptance to put the code in the Codeplex project. Please post the full sourcecode and not a link. Codeplex News: 11.11.2008 XmlSerialize / XmlDeserialize is now Implemented and Unit Tested. 11.11.2008 There is still room for more developers. ;-) Join NOW! 11.11.2008 Third contributer joined ExtensionOverflow, welcome to BKristensen 11.11.2008 FormatWith is now Implemented and Unit Tested. 09.11.2008 Second contributer joined ExtensionOverflow. welcome to chakrit. 09.11.2008 We need more developers. ;-) 09.11.2008 ThrowIfArgumentIsNull in now Implemented and Unit Tested on Codeplex.

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  • add text to curved image

    - by miki123
    $config['source_image'] = '/path/to/image/mypic.jpg'; $config['wm_text'] = 'Copyright 2006 - John Doe'; $config['wm_type'] = 'text'; $config['wm_font_path'] = './system/fonts/texb.ttf'; $config['wm_font_size'] = '16'; $config['wm_font_color'] = 'ffffff'; $config['wm_vrt_alignment'] = 'bottom'; $config['wm_hor_alignment'] = 'center'; $config['wm_padding'] = '20'; $this->image_lib->initialize($config); $this->image_lib->watermark(); This is water mark code in php, it is working fine when we add text to curve image like mug image, the letter is not overlap the curved image how can we overcome?

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