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• WPF Zoom with ScaleTransform overlap all Window

  - by Andrew

  Hi, i want to create Pan & Zoom control Similar thread, so i transform control with ScaleTransform and it overlaps all window, i have ot do it with RenderTransform, becouse with LayoutTransform Pan implemented in example doesn't work. Are there any properties or templates with which i can implement behavior like this: if content of container undergo transformation (or just move), if content doesn't fit, container shows only fitted part, something like this: <Container Height="100" Width="100" DisplayOption="CutAllThatNotFit"> <Content/> </Container>

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• Hibernate criteria query to match against all child collection elements

  - by Andrew Harrison

  Hi, This question is very similar to link text but the responses were minimal to that question. I have a parent class with a Set of child entities. The child entities are just a wrapper for a string and live in a different table to the parent entity. I want to have a criteria query that returns the parent entities when all the members of the set of child entities return true to a condition. This condition is matching against one of a list of strings. Here's where I am: Criteria c = criteria(); Criteria ands = c.createCriteria("ands"); Disjunction dis = Restrictions.disjunction(); for (String value : values) { dis.add(Restrictions.like("value", "%" + value + "%")); } ands.add(dis); return list(c); "ands" is the set of entities with a "value" field that is a string. "criteria()" creates a criteria for the parent class. "list()" just calls criteria.list(); This is just matching against any of the elements, rather than all. Hope this makes sense. Any help much appreciated.

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• Kanban vs. Scrum

  - by Andrew Siemer

  Can someone with Kanban experience tell me how Kanban and Scrum differ? What are the pro's and con's of each of the different project management methodologies? Kanban seems to be getting a lot of press these days. I don't want to miss the hottest new way of tracking my teams failures (...and successes). Responses @S. Lott - What part of this article wasn't clear enough? infoq.com/articles/hiranabe-lean-agile-kanban/…. Do you have a more specific question? That is a great article but technically no it is not clear enough. That article gives a great amount of detail about kanban (and thank you for it...good read) but it does not specifically contrast Kanban vs. Scrum. That article will help someone like me make a decision but it most certainly won't help someone like my boss or in general someone less experienced! I was hoping for a quick overview of kanban pros and cons contrasted to scrum pros and cons. Thanks though! @S. Lott - Why do you say kanban vs. scrum? What leads you to conclude they are conflicting approaches? Can you make your question more specific? I don't think that they are necessarily conflicting. But they are different enough for a user to adhere to one over the other. Perhaps one fits a project or company better than the other? How would I sell one over the other when presenting a project management approach. Say I went to a company that was currently stuck in the rutt that is "water fall" - why would I sell one approach over the other?

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• Problem hosting WebBrowser control in an ATL app.

  - by Andrew Bucknell

  I have a legacy atl app that hosts a webbrowser control in an ATL window. I create an instance of the client to host the browser using the following sequence CComPtr<IOleObject> spOleObject; HRESULT hr = CoCreateInstance(CLSID_WebBrowser, NULL, CLSCTX_INPROC, ID_IOleObject,(void**)&spOleObject); spOleObject->SetClientSite(this); GetClientRect(&rcClient); hr = spOleObject->DoVerb(OLEIVERB_INPLACEACTIVATE, &msg, this, 0, m_hWnd, &rcClient); hr = AtlAdvise(m_spWebBrowser, GetUnknown(), DIID_DWebBrowserEvents2, &m_dwCookie); CComVariant navvar(navurl); m_spWebBrowser->Navigate2(&navvar, NULL, NULL, NULL, NULL); This sequence works fine to create the initial browse window. The call to navigate2 works and if I look at the window via spy++ I have Shell Embedding - Shell DocObject View - Internet Explorer_Server. When a popup occurs (detected through NewWindow3) I launch a new window and execute the same code sequence for the new window. In the popup window the navigate2 doesnt work, and when I look at this new window in spy++ I just have Shell Embedding. I get the same problem even if I instantiate the popup window on startup, so its not related to NewWindow3 at all - it seems the second instance of the web control isnt instantiating even though all the calls return S_OK. This sequence worked fine under IE7 but now I am using IE8 and the popup window isnt working. There is clearly something I am missing but I cant guess what it may be. Any suggestions would be incredibly helpful.

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• Why is jQuery so widely adopted versus other Javascript frameworks?

  - by Andrew Moore

  I manage a group of programmers. I do value my employees opinion but lately we've been divided as to which framework to use on web projects. I personally favor MooTools, but some of my team seems to want to migrate to jQuery because it is more widely adopted. That by itself is not enough for me to allow a migration. I have used both jQuery and MooTools. This particular essay tends to reflect how I feel about both frameworks. jQuery is great for DOM Manipulation, but seem to be limited to helping you do that. Feature wise, both jQuery and MooTools allow for easy DOM Selection and Manipulation: // jQuery $('#someContainer div[class~=dialog]') .css('border', '2px solid red') .addClass('critical'); // MooTools $('#someContainer div[class~=dialog]') .setStyle('border', '2px solid red') .addClass('critical'); Both jQuery and MooTools allow for easy AJAX: // jQuery $('#someContainer div[class~=dialog]') .load('/DialogContent.html'); // MooTools (Using shorthand notation, you can also use Request.HTML) $('#someContainer div[class~=dialog]') .load('/DialogContent.html'); Both jQuery and MooTools allow for easy DOM Animation: // jQuery $('#someContainer div[class~=dialog]') .animate({opacity: 1}, 500); // MooTools (Using shorthand notation, you can also use Fx.Tween). $('#someContainer div[class~=dialog]') .set('tween', {duration: 500}) .tween('opacity', 1); jQuery offers the following extras: Large community of supporters Plugin Repository Integration with Microsoft's ASP.NET and VisualStudio Used by Microsoft, Google and others MooTools offers the following extras: Object Oriented Framework with Classic OOP emulation for JS Extended native objects Higher consistency between browsers for native functions support. More easy code reuse Used by The World Wide Web Consortium, Palm and others. Given that, it seems that MooTools does everything jQuery does and more (some things I cannot do in jQuery and I can in MooTools) but jQuery has a smaller learning curve. So the question is, why did you or your team choose jQuery over another JavaScript framework? Note: While I know and admit jQuery is a great framework, there are other options around and I'm trying to take a decision as to why jQuery should be our choice versus what we use right now (MooTools)?

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• What do I need to know before accepting a contract position in the United States?

  - by Andrew

  I just received an initial job offer for a contract position as a PHP developer. I have never had a contract position before, so I don't know what the implications of this are, and how it differs from a salaried position with benefits. =/ What are some things that I should be aware of before accepting the contract position? (i.e. taxes, wages, benefits, etc) It also mentions that I will sign a "day-to-day contract". What does that mean? Resources Here are some links that I've collected so far: First timer's guide to contracting - Covers contracting in the U.K., but not the U.S. The contract employee's handbook - Talks about the differences between a "Contract Employee" and an "Independent Contractor"

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• Notification Email Best Practices--From Server Setup to Programming

  - by Andrew Wagner

  All, I'm in the process now of building a SaaS tool that allows network admins to generate notification emails to the members of the end-users of our platform (among many many other things). I'm running into a bit of an "out of my expertise" wall, as I know there are a lot of variables involved with configuring an application that can: Run in a distributed way via load balancing and still-- Leverage a single mail server for sending notification emails Process unsubscribe requests Avoid any ISP blacklisting in the process. If anyone has the time and has done this before, I'd love if you could walk me through the A-Z of best practices both from a configuration perspective and an execution perspective for generating these emails (anything from necessary DNS settings to ideal SMTP setup and configuration) Currently, our application generates email via Google Apps using the PHPMailer class. While this works well, it doesn't queue messages (potential for timeout problems if any of our clients amass a very large list of end-users), and Google limits the amount of allowed generated email messages to 500/day. I know this is a lofty question, but any guidance you could provide would be smashing and a big help as we work through this hurtle in our beta development stage. Thanks!

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• ASP.NET MVC DropDownList Validation

  - by Andrew Florko

  Hello everybody, I have [DisplayName("Country")] public List<SelectListItem> Countries { get; set; } property in Model class for DropDownList. When I try to check if the ModelState.IsValid on form postback it's always false & error for Countries tells "Can't convert [value] to SelectListItem" or some of a kind. I figured out there is no straight-forward mapping for drop down selected value (looks like I'll have to read value from Form value collection), but how can I ignore binding and validation for List property? I just want to make ModelState.IsValid attribute to be true if all the other fields are populated properly. Thank you in advance

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• Can VS2010 help me find memory leaks?

  - by Andrew Garrison

  I'm going through the pain right now of finding memory leaks in my application using WinDbg. Luckily, I've found a few good articles that give a very good step-by-step process of how to do it. Still, it is a fairly painful process. Does VS2010 have any built in features that can ease the burden of finding a memory leak in a Silverlight application? Of course, a memory leak in .NET sounds a bit like a misnomer, but what I intend to do is to find all objects that are still referencing an object that I believe should be garbage collected. For those that may be interested, here are some good articles on how to get started using WinDbg to find memory leaks in Silverlight: Finding Memory Leaks In Silverlight With WinDbg Hunting down memory leaks in Silverlight

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• Multiple INET sockets (mulple IP's too) connected to UNIX sockets

  - by Andrew

  HOST = same host all the time, accepts multiple connection. I have a dedicated server and I will buy extra IP's. Socket 1 connects to HOST:PORT, from IP-1 Socket 2 connects to HOST:PORT, from IP-1 Socket 3 connects to HOST:PORT, from IP-1 Socket 4 connects to HOST:PORT, from IP-2 Socket 5 connects to HOST:PORT, from IP-2 Socket 6 connects to HOST:PORT, from IP-2 After creating all sockets I want to access them easy as UNIX sockets from PHP. /sys/socket1 /sys/socket2 /sys/socket3 /sys/socket4 /sys/socket5 /sys/socket6 I want the sockets to work in background (like daemon) and I want to be able to connect from PHP to any of this sockets and RECV/SEND whatever I want. I saw "socat" and I think that's the solution for me, please tell me how to use socat, or how to do it other way. Thankyou!

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• How to download media content on demand and reuse from browser cache in silverlight

  - by Andrew

  Hi. I have a problem with simple silverlight app, this app has a couple of buttons, each button sets mediaelement source to a short mp3 file and plays it, my problem is that when i press the same button second time it re-downloads mp3 file again but i think it shouldn't, instead it should use a copy of browser cached mp3 file that was downloaded when a button was pressed for the first time. I'm using sl4 and links in mediaelement are just simple uri's, i need to make it working in this way that when some mp3 was downloaded it will be cached on the client browser and further click on button will use a cached version of file instead of downloading it again and wasting my bandwidth. Any ideas ?

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• IE GIF/PNG Transparency issue with jQuery

  - by Andrew

  Ok, this is pretty weird... Here's the page in question: http://s289116086.onlinehome.us/lawjournaltv/index.php The main blue callout background was originally a PNG, but when I applied some jQuery trickery to it (click the numbers in the top right to see what I mean), an ugly white border appeared where the transparency should be. See this screenshot from IE8: http://skitch.com/darkdriving/n62bu/windows-xp-professional I figured I could sacrifice the quality/flexibility of a PNG and just resaved each of the backgrounds as GIFs and set the matte color to white (for now). Well, I was proven wrong because IE is treating the GIF transparency the same as the original PNGs. I've read here that the issue with PNGs, Javascript, and IE has something to do with multiple filters can't be applied to one image, but shouldn't GIFs be exempt from this because they lack the Alpha Channel? Is there any way to make this page look similar in IE to Firefox or Webkit browsers? Thanks in advance!

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• iphone - Programmatically set (System-wide) proxy settings?

  - by Andrew

  I am new to iPhone development, so I'm sorry if this is a stupid question. I am developing an application whose purpose will be to route all iPhone activity through my company's proxy. Is there a way to programmatically set system-wide proxy settings in the iPhone (which will also take effect on the 3G connection)? I know there is a way to manually set proxy settings for each wifi connection. Detecting new networks and setting the proxy on them would be acceptable. However, I need to also be able to set the proxy on the 3G connection. Also, bonus: Is there a way to programmatically change the "Restrictions" settings? If anyone has any tips or can point me in the right direction, I would appreciate it. Thanks. EDIT: Please understand that this is for a legitimate purpose. Apple has to approve app store additions, so it's not like I'm trying to spread a virus. Please, constructive answers only.

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• Are single quotes valid in HTML/XHTML?

  - by Andrew

  Are single quotes valid in HTML? And more specifically: XHTML strict. <table width="100%"> <table width='100%'>

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• Marshall a list of objects from VB6 to C#

  - by Andrew

  I have a development which requires the passing of objects between a VB6 application and a C# class library. The objects are defined in the C# class library and are used as parameters for methods exposed by other classes in the same library. The objects all contain simple string/numeric properties and so marshaling has been relatively painless. We now have a requirement to pass an object which contains a list of other objects. If I was coding this in VB6 I might have a class containing a collection as a member variable. In C# I might have a class with a List member variable. Is it possible to construct a C# class in such a way that the VB6 application could populate this inner list and marshal it successfully? I don't have a lot of experience here but I would guess Id have to use an array of Object types.

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• jQuery .post gets null data

  - by Andrew Flusche

  Hey everyone. This is my first post here, so I hope I'm doing it appropriately. I have several jQuery $.post calls that work just fine. They send data to a PHP script that modifies a database and returns some data. No problem. But this one doesn't work. The returned data is just NULL. $.post("act_addTaskLog.php", {description: $("#logFormDescription").val(), complete: $("#logFormComplete").is(':checked'), taskId: $("#logFormTaskId").val(), user: <?php echo $_SESSION['user']; ?>}, function(data) { alert("data: " + data); } ); I've tried everything I can think of, to no avail. I've even tried just one line in my PHP script: die("true"); Firebug shows that the script is being executed, but it's not completing. The alert message displays just with the label "data:" in it, no actual data. Thanks in advance for your help!

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• Nhibernate Guid with PK MySQL

  - by Andrew Kalashnikov

  Hello colleagues. I've got a question. I use NHibernate with MySql. At my entities I use Id(PK) for my business-logic usage and Guid(for replication). So my BaseDomain: public class BaseDomain { public virtual int Id { get; set; } public virtual Guid Guid { get; set; } public class Properties { public const string Id = "Id"; public const string Guid = "Guid"; } public BaseDomain() { } } My usage domain: public class ActivityCategory : BaseDomain { public ActivityCategory() { } public virtual string Name { get; set; } public new class Properties { public const string Id = "Id"; public const string Guid = "Guid"; public const string Name = "Name"; private Properties() { } } } Mapping: <class name="ActivityCategory, Clients.Core" table='Activity_category'> <id name="Id" unsaved-value="0" type="int"> <column name="Id" not-null="true"/> <generator class="native"/> </id> <property name="Guid"/> <property name="Name"/> </class> But when I insert my entity: [Test] public void Test() { ActivityCategory ac = new ActivityCategory(); ac.Name = "Test"; using (var repo = new Repository<ActivityCategory>()) repo.Save(ac); } I always get '00000000-0000-0000-0000-000000000000' at my Guid field. What should I do for generate right Guid. May be mapping? Thanks a lot!

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• Print.css issue in Webkit

  - by Andrew

  The page in question is featured here: http://www.allwebcafe.com/news/news-article.php?id=78 For some reason, when a user attempts to print any article of this type from a Webkit-based browser (I've confirmed this in both Safari and Chrome), the pages are all blank. On the flip side, everything behaves as expected in both Firefox and Internet Explorer. Thoughts?

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• ASP.NET MVC Session Expiration

  - by Andrew Flanagan

  We have an internal ASP.NET MVC application that requires a logon. Log on works great and does what's expected. We have a session expiration of 15 minutes. After sitting on a single page for that period of time, the user has lost the session. If they attempt to refresh the current page or browse to another, they will get a log on page. We keep their request stored so once they've logged in they can continue on to the page that they've requested. This works great. However, my issue is that on some pages there are AJAX calls. For example, they may fill out part of a form, wander off and let their session expire. When they come back, the screen is still displayed. If they simply fill in a box (which will make an AJAX call) the AJAX call will return the Logon page (inside of whatever div the AJAX should have simply returned the actual results). This looks horrible. I think that the solution is to make the page itself expire (so that when a session is terminated, they automatically are returned to the logon screen without any action by them). However, I'm wondering if there are opinions/ideas on how best to implement this specifically in regards to best practices in ASP.NET MVC.

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• Javascript file as an anonymous function

  - by Andrew Kou

  I have been reading a lot of Javascript lately and I have been noticing that the whole file is wrapped like the following in the .js files to be imported. (function() { ... code ... })() What is the reason for doing this rather than a simple set of constructor functions?

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• How do I use XML prefixes in C#?

  - by Andrew Mock

  EDIT: I have now published my app: http://pastebin.com/PYAxaTHU I was trying to make console-based application that returns my temperature. using System; using System.Xml; namespace GetTemp { class Program { static void Main(string[] args) { XmlDocument doc = new XmlDocument(); doc.LoadXml(downloadWebPage( "http://www.andrewmock.com/uploads/example.xml" )); XmlNamespaceManager man = new XmlNamespaceManager(doc.NameTable); man.AddNamespace("aws", "www.aws.com/aws"); XmlNode weather = doc.SelectSingleNode("aws:weather", man); Console.WriteLine(weather.InnerText); Console.ReadKey(false); } } } Here is the sample XML: <aws:weather xmlns:aws="http://www.aws.com/aws"> <aws:api version="2.0"/> <aws:WebURL>http://weather.weatherbug.com/WA/Kenmore-weather.html?ZCode=Z5546&Units=0&stat=BOTHL</aws:WebURL> <aws:InputLocationURL>http://weather.weatherbug.com/WA/Kenmore-weather.html?ZCode=Z5546&Units=0</aws:InputLocationURL> <aws:station requestedID="BOTHL" id="BOTHL" name="Moorlands ES" city="Kenmore" state=" WA" zipcode="98028" country="USA" latitude="47.7383346557617" longitude="-122.230278015137"/> <aws:current-condition icon="http://deskwx.weatherbug.com/images/Forecast/icons/cond024.gif">Mostly Cloudy</aws:current-condition> <aws:temp units="&deg;F">40.2</aws:temp> <aws:rain-today units=""">0</aws:rain-today> <aws:wind-speed units="mph">0</aws:wind-speed> <aws:wind-direction>WNW</aws:wind-direction> <aws:gust-speed units="mph">5</aws:gust-speed> <aws:gust-direction>NW</aws:gust-direction> </aws:weather> I'm just not sure how to use XML prefixes correctly here. What is wrong with this?

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• Using GIT Smart HTTP via IIS

  - by Andrew Matthews

  I recently read Scott Chacon's post "Smart HTTP Transport", and I was hoping that it might have become possible via IIS (windows 7) since that post was written. I haven't been able to find anything showing how it can be done, and Apache is not an option in my IIS 7 based environment. So, I'm at a loss (git daemon was foiled for me by a combination of AVG anti-virus and AD). I want to provide LDAP authenticated read/write access for selected users. So this question seems not to be relevant. Do you know of a way to provide access to GIT via IIS?

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• Custom UITableViewCell won't redraw on setNeedsDisplay

  - by Andrew Portner

  I created a custom UITableViewCell class with a UIButton, a UIImage, and two UILabels. The button and the image are overlayed on top of each other, and only one is displayed at a time. The expected behavior is you touch on the button, the button disappears, and it displays the image. The UITableViewCells are set to be reused. Here's my code: Constructor: - (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier { if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) { unheartButton = [[UIButton buttonWithType:UIButtonTypeCustom] retain]; unheartButton.backgroundColor = [UIColor clearColor]; unheartButton.frame = CGRectMake(10, 13, 20, 18); [unheartButton addTarget:self action:@selector(onButtonClick:) forControlEvents:UIControlEventTouchUpInside]; [unheartButton setBackgroundImage:[UIImage imageNamed:@"redheart.png"] forState:UIControlStateNormal]; imageView = [[UIImageView alloc] init]; imageView.frame = CGRectMake(12, 13, 16, 16); NSMutableArray *array = [[NSMutableArray alloc] init]; for (int ndx = 1; ndx < 13; ndx++) { [array addObject:[UIImage imageNamed:[NSString stringWithFormat:@"icon-loading-%d (dragged).tiff", ndx]]]; } imageView.animationImages = array; imageView.animationDuration = 1; imageView.hidden = YES; [array release]; [self.contentView addSubview:imageView]; [self.contentView addSubview:unheartButton]; return self; } } Button click: - (IBAction) onButtonClick: (id) sender { unheartButton.hidden = YES; imageView.hidden = NO; [imageView startAnimating]; [self setNeedsDisplay]; [self.contentView setNeedsDisplay]; [self.unheartButton setNeedsDisplay]; [self.imageView setNeedsDisplay]; } I'm calling setNeedsDisplay on everything, but nothing seems to happen. If I scroll off the screen and back up, the button is hidden and now the loading icon is shown, but this only happens after a scroll. I'm not sure what I need to do to get the cell to repaint.

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• Validate subset of a form using jQuery Validate plugin

  - by Andrew Davey

  My HTML form has a number of divs that are the steps of a wizard. Upon clicking a "next" button I want to validate just the active div. I'm using the jQuery.Validate.js plugin. Each div has an ID, so I want a way to say something like: wizardForm.validate().element('#first-step :input') but this only validates the first input, not all of them. How can I validate all inputs within a div?

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• How to prove writing specifications beats code cowboys?

  - by Andrew Grant

  So I have a problem. Or rather my friend has a problem, since I would never write about my company on an internet forum. At my friend's company specification writing is, shall we say, a little underused. There's a deeply ingrained culture of writing code first and asking questions later, whether it's for a library routine or a new tool to inflict on their long suffering designers. This of course leads to situations where functionality is partially correct, incorrect, or just completely missing ("oh, just save before trying anything you may want to undo"). This usually results in a loss of productivity for those poor designers, or beta periods where bug-fixing is largely spent implementing things correctly. My friend's found his suggestions of writing (and testing against) specifications to be generally well received. Most of his colleagues have embraced the wonderful feeling of discovering false-assumptions on paper, instead of at 11pm on a Sunday in the middle of beta. Viva La Revolution! However there are a few who poo-poo anything that stands between their task and a keyboard. They laugh at the thought of actually designing anything, and write code with merry abandon. Mostly these are senior, long employed developers, reluctant to "waste time". The problem is that this second group of heretics invariably produce things (or at least something) quicker than the first. Subsequently this becomes justification along the lines of "It's pointless to write specifications for something as simple as an image resizer! Oh and those bugs where width!=height or the image uses RLE just need a few tweaks". And now the question :) Other than saying "told you so" at the end of a project, what are some good short-term ways to demonstrate how the practice of writing functional or technical specifications leads to better software in the long run? Cheers!

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