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  • ASP.NET MVC IoC usability

    - by Andrew Florko
    Hello everybody, How often do you use IoC for controllers/DAL in real projects? IoC allows to abstract application from concrete implementation with additional layer of interfaces that should be implemented. But how often concrete implementation changes? Should we really have to do job twice adding method to interface then the implementation if implementation hardly will ever be changed? I took part in about 10 asp.net projects and DAL (ORM-like and not) was never rewritten completely. Watching lots of videos I clearly understand that IoC "is cool" and the really nice way to program, but does it really needed?

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  • asp.net free cms for library

    - by Andrew Florko
    We have library website written in classic ASP that allows to browse and search by multiple (50+) filter criterias (author, publication year, ISSN ... ). There are lots of security holes and we have only one developer who hardly maintain this ASP-site with some minor features for last 3 years. There are two common user groups - administrators (librarians) and students (5000+) who have books on hands and searches for them. We don't want to rewrite it from scratch, just to use standard free CMS (.net based) and migrate library data and user accounts with minimum effort. What CMS will you suggest? Thank you in advance.

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  • Using memcpy/memset

    - by Andrew Coad
    When using memset or memcpy within an Obj-C program, will the compiler optimise the setting (memset) or copying (memcpy) of data into 32-bit writes or will it do it byte by byte?

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  • Is there a floating point value of x, for which x-x == 0 is false?

    - by Andrew Walker
    In most cases, I understand that a floating point comparison test should be implemented using over a range of values (abs(x-y) < epsilon), but does self subtraction imply that the result will be zero? // can the assertion be triggered? float x = //?; assert( x-x == 0 ) My guess is that nan/inf might be special cases, but I'm more interested in what happens for simple values.

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  • Positioning DIV's with Javascript

    - by Andrew P.
    I have two divs that I need to position horizontally dependent on the width of the user's screen. I've styled their vertical position in CSS, and I am trying to position them horizontally using Javascript. My divs: <div id="tl"> blah blah </div> <div id="bl"> blah blah </div> My CSS: #tl { position: absolute; top: -14px; right: 0; } #bl { position: absolute; bottom: 1px; right: 0; } My Javascript: var tl = document.getElementById('tl'); var bl = document.getElementById('bl'); var wide = parseInt(screen.width); var nudge = wide*.86; nudge = nudge+21; tl = tl.style; tl.right = ( parseInt(tl.right) + nudge ); bl = bl.style; bl.right = ( parseInt(bl.right) + nudge ); However... nothing happens. No errors, and definitely no movement from my divs. What am I doing wrong? Can anyone help?

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  • jQuery Find element else do nothing ?

    - by Andrew
    Hi Guys, I am trying to use jQuery to basically wrap a bunch of CSS modifications via jQuery but on pages where the #IDs or Classes dont exist I get errors ? Like jQuery(".class").css(random_stuff) is not a function Any ideas what I can do to either "find" the elements and do nothing or ?

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  • Reducing Integer Fractions Algorithm - Solution Explanation?

    - by Andrew Tomazos - Fathomling
    This is a followup to this problem: Reducing Integer Fractions Algorithm Following is a solution to the problem from a grandmaster: #include <cstdio> #include <algorithm> #include <functional> using namespace std; const int MAXN = 100100; const int MAXP = 10001000; int p[MAXP]; void init() { for (int i = 2; i < MAXP; ++i) { if (p[i] == 0) { for (int j = i; j < MAXP; j += i) { p[j] = i; } } } } void f(int n, vector<int>& a, vector<int>& x) { a.resize(n); vector<int>(MAXP, 0).swap(x); for (int i = 0; i < n; ++i) { scanf("%d", &a[i]); for (int j = a[i]; j > 1; j /= p[j]) { ++x[p[j]]; } } } void g(const vector<int>& v, vector<int> w) { for (int i: v) { for (int j = i; j > 1; j /= p[j]) { if (w[p[j]] > 0) { --w[p[j]]; i /= p[j]; } } printf("%d ", i); } puts(""); } int main() { int n, m; vector<int> a, b, x, y, z; init(); scanf("%d%d", &n, &m); f(n, a, x); f(m, b, y); printf("%d %d\n", n, m); transform(x.begin(), x.end(), y.begin(), insert_iterator<vector<int> >(z, z.end()), [](int a, int b) { return min(a, b); }); g(a, z); g(b, z); return 0; } It isn't clear to me how it works. Can anyone explain it? The equivilance is as follows: a is the numerator vector of length n b is the denominator vector of length m

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  • Drupal form with custom ID

    - by Andrew
    Correct me if I'm wrong, after reading drupal fapi related articles, I got the impression that fapi generates 'id' attributes by itself. It allows developers to assign 'name' attribute only. If that's the case, is there a way I can set desire 'id' value for elements? Because, I want my elements to have meaningful 'id' so that html/jquery code would be easier to read as well as save my time from going through already written jquery code to change those all 'id's that I've used inside. P.S:drupal version - 6.x

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  • Customize a WCF RIA Services EndpointRSS Feed

    - by Andrew Garrison
    Is it possible to customize the parameters of a WCF RIA Services endpoint? Specifically, I would like to create a custom binding for the endpoint and increase the maxReceivedMessageSize to allow sending the contents of a file that is a few megabytes in size. I've tried meddling in the web.config, but I'm getting the following error: [InvalidOperationException]: The contract name MyNamespace.MyService could not be found in the list of contracts implemented by the service MyNamespace.MyService web.config <system.serviceModel> <bindings> <customBinding> <binding name="CustomBinaryHttpBinding"> <binaryMessageEncoding /> <httpTransport maxReceivedMessageSize="2147483647" maxBufferSize="2147483647" /> </binding> </customBinding> </bindings> <services> <service name="MyNamespace.MyService"> <endpoint address="" binding="wsHttpBinding" contract="MyNamespace.MyService" /> <endpoint address="/binary" binding="customBinding" bindingConfiguration="CustomBinaryHttpBinding" contract="MyNamespace.MyService" /> </service> </services> <serviceHostingEnvironment aspNetCompatibilityEnabled="true" multipleSiteBindingsEnabled="true" /> </system.serviceModel>

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  • Linq/C#: Selecting and summing items from the result of a group by?

    - by Andrew White
    Hi, I have a list like this: City Total Sydney 11 Dublin 9 London 12 Dublin 3 London 9 Sydney 12 I first of all need to Group By City & Sum Total so I have Sydney 23 Dublin 12 London 21 Next I need to filter for those that entries where the total is 20 Sydney 23 London 21 And what I finally need is the total of these entries, e.g. 44 I really want to do it in 1 single LINQ statement, possible? Thx,

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  • jQuery .queue() not working as expected

    - by Andrew
    The page in question is right here: http://s289116086.onlinehome.us/lawjournaltv/index.php I'm 90% of the way there, I'm just assuming there's an error with my syntax. Focus on the blue callout area with "Workers' Compensation" as the title: Basically, I've created a little slideshow there with the controls at the top and when you click on any of them both the callout and the background are to slide. As you can see it's working now, but the problem is that I want the new background to slide in over the old one. I've tried several things including the queue() method, delay(), and adding everything else to the animate() callback with no success (right now the background goes black and then the new image slides in). You guys have never let me down before, so I'm hoping this is an easy fix. Thanks in advance!

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  • Using oauth with wordpress

    - by Andrew
    I am creating a twitter plugin for wordpress and I was told that when using oauth you can't really make the plugin act natively because each time the user installs the plugin they have to add their own twitter api credentials because of the callback url. Is this correct? Or is there a workaround for this? Thanks for your help in advance!

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  • Storing credit card details

    - by Andrew
    I have a business requirement that forces me to store a customer's full credit card details (number, name, expiry date, CVV2) for a short period of time. Rationale: If a customer calls to order a product and their credit card is declined on the spot you are likely to lose the sale. If you take their details, thank them for the transaction and then find that the card is declined, you can phone them back and they are more likely to find another way of paying for the product. If the credit card is accepted you clear the details from the order. I cannot change this. The existing system stores the credit card details in clear text, and in the new system I am building to replace this I am clearly not going to replicate this! My question, then, is how I can securely store a credit card for a short period of time. I obviously want some kind of encryption, but what's the best way to do this? Environment: C#, WinForms, SQL-Server.

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  • What is a user category exactly?

    - by Andrew
    I wanted to add a tab to the user edit page ie user/%/edit/foo, and was using the twitter module as a model. After much spelunking and stepping through with a debugger, I realised that I needed to add a hook_user function in my module so that the %user_category part of the menu router path would work. It's now functioning as expected, but I don't really have a solid idea of what I just did, and haven't found a good explanation anywhere. Can anyone explain to me what it's about?

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  • css block links and images

    - by Andrew Heath
    Given this html: <div class="nation"> <a href="library.php?type=nation&amp;id=America"> <div class="nation-image"> <img src="nations/America.png" alt="snip" /> </div> <h3>America</h3> </a> </div> the following CSS results in the entire <div class="nation"> becoming a clickable block link: .nation {float: left; text-align: center; width: 189px;} .nation img {width: 160px; margin: 10px 0 0 0; border: 1px solid #16160C;} but if I make the following single addition: .nation {float: left; text-align: center; width: 189px;} .nation-image {height: 138px;} .nation img {width: 160px; margin: 10px 0 0 0; border: 1px solid #16160C;} to specify the height of <div class="nation-image"> then the image (and only the image) is no longer a link, but the rest of the div (margin around it, h3 etc) remain a block link... /I am teh confussd :-?

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  • Xcode: Application name in OS X cannot be localized?

    - by Andrew Chang
    I have an project named "Multi-Camera Supervisor". I make the "MainMenu.xib" file localized. Here are the menu bar in localized nib file of Xcode: For English: For Japanese: But when I ran my application in Xcode, The first item doesn't work. Here are the menu bars when my application ran: For English: For Japanese You can see that the application name was still "Multi-Camera Supervisor". Meanwhile, the application name appeared in Dock icon was not localized either. How should I solve this? How can I localize the application name not only in main menu but also in Dock?

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  • Singleton Issues in iOS http client

    - by Andrew Lauer Barinov
    I implemented an HTTP client is iOS that is meant to be a singleton. It is a subclass of AFNetworking's excellent AFHTTPClient My access method is pretty standard: + (LBHTTPClient*) sharedHTTPClient { static dispatch_once_t once = 0; static LBHTTPClient *sharedHTTPClient = nil; dispatch_once(&once, ^{ sharedHTTPClient = [[LBHTTPClient alloc] initHTTPClient]; }); return sharedHTTPClient; } // my init method - (id) initHTTPClient { self = [super initWithBaseURL:[NSURL URLWithString:kBaseURL]]; if (self) { // Sub class specific initializations } return self; } Super's init method is very long, and can be found here However the problem I experience is when the dispatch_once queue is run, the app locks and become unresponsive. When I step through code, I notice that it locks on dispatch_once and then remains frozen. Is this something to do with the main thread locking down? How come it stays locked like that? Also, none of the HTTP client methods fire. Stepping through the code some more, I find this line in dispatch/once.h is where the app locks down: DISPATCH_INLINE DISPATCH_ALWAYS_INLINE DISPATCH_NONNULL_ALL DISPATCH_NOTHROW void _dispatch_once(dispatch_once_t *predicate, dispatch_block_t block) { if (DISPATCH_EXPECT(*predicate, ~0l) != ~0l) { dispatch_once(predicate, block); // App locks here } }

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  • What is the best way to get my avi files into flv format?

    - by Andrew G. Johnson
    I need to embed videos on a client's website and they have given the following guidelines: must be viewable as flash (FLV format) if hosted by outside company (e.g. Youtube) the video can not link back to the outside company's website if hosted by outside company (e.g. Youtube) the video can not have any advertisements of the outside company I guess what I'm looking for is an AVI-to-FLV converter?

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  • Looking for good PHP editor or IDE with 'IntelliSense'

    - by Andrew
    Hello, I'm looking for suitable PHP Editor or IDE with syntax auto-completion. I've tried trial versions of programs like Zend Studio, PHPDesigner, NetBeans PHP, NuSphere PhpED, and similar -- but none of them fully satisfied me. I quite liked hint window with detailed info about what function does and what it returns. Also I liked the way NetBeans auto-complete code (for example inserts all required parameters in function declaration as "dummy fields" and then you can jump between them using TAB in order to edit them). On the other hand, environment of NetBeans doesn't belong to the nicest. In this regard I prefer PHPDesigner with its sleek and light interface. At this moment I don't use any of the debugging options, since I don't know yet how to use profiller, breakpoints, watches and what not, so at this point my only concern is good autocompletion. For this purpose NetBean would be great choice, but with future in mind I am not sure debugging will be good in NetBeans, especially as I would prefer to use remote Linux server for this. So in short, I'm looking for editor that: Have similar code auto-completion (IntelliSense) like NetBeans Allow you to debug code using remote server (or sets up own debugging server like PHPDesigner does) without need to run Apache and similar on local computer Is preferably easy to use / intuitive interface Any ideas?

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  • If I write an algorithm to encrypt a file, are their tools available to break the encryption?

    - by Andrew
    I have an idea for encryption that I could program fairly easily to encrypt some local text file. Given that my approach is novel, and does not use any of the industry standard encryption techniques, would I be able to test the strength of my encryption using 'cracker' apps or suchlike? Or do all those tools rely on advanced knowledge of the encryption process (or intercepted 'keys'), meaning I'd have to build my own cracker for testing?

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  • Help needed with drawRect:

    - by Andrew Coad
    Hi, I'm having a fundamental issue with use of drawRect: Any advice would be greatly appreciated. The application needs to draw a variety of .png images at different times, sometimes with animation, sometimes without. A design goal that I was hoping to adhere to is to have the code inside drawRect: very simple and "dumb" - i.e. just do drawing and no other application logic. To draw the image I am using the drawAtPoint: method of UIImage. Since this method does not take a CGContext as a parameter, it can only be called within the drawRect: method. So I have: - (void)drawRect:(CGRect)rect { [firstImage drawAtPoint:CGPointMake(firstOffsetX, firstOffsetY)]; } All fine and dandy for one image. To draw multiple images (over time) the approach I have taken is to maintain an array of dictionaries with each dictionary containing an image, the point location to draw at and a flag to enable/suppress drawing for that image. I add dictionaries to the array over time and trigger drawing via the setNeedsDisplay: method of UIView. Use of an array of dictionaries allows me to completely reconstruct the entire display at any time. drawRect: now becomes: - (void)drawRect:(CGRect)rect { for (NSMutableDictionary *imageDict in [self imageDisplayList]) { if ([[imageDict objectForKey:@"needsDisplay"] boolValue]) { [[imageDict objectForKey:@"image"] drawAtPoint:[[imageDict objectForKey:@"location"] CGPointValue]]; [imageDict setValue:[NSNumber numberWithBool:NO] forKey:@"needsDisplay"]; } } } Still OK. The code is simple and compact. Animating this is where I run into problems. The first problem is where do I put the animation code? Do I put it in UIView or UIViewController? If in UIView, do I put it in drawRect: or elsewhere? Because the actual animation depends on the overall state of the application, I would need nested switch statements which, if put in drawRect:, would look something like this: - (void)drawRect:(CGRect)rect { for (NSMutableDictionary *imageDict in [self imageDisplayList]) { if ([[imageDict objectForKey:@"needsDisplay"] boolValue]) { switch ([self currentState]) { case STATE_1: switch ([[imageDict objectForKey:@"animationID"] intValue]) { case ANIMATE_FADE_IN: [self setAlpha:0.0]; [UIView beginAnimations:[[imageDict objectForKey:@"animationID"] intValue] context:nil]; [UIView setAnimationDelegate:self]; [UIView setAnimationCurve:UIViewAnimationCurveEaseIn]; [UIView setAnimationDuration:2]; [self setAlpha:1.0]; break; case ANIMATE_FADE_OUT: [self setAlpha:1.0]; [UIView beginAnimations:[[imageDict objectForKey:@"animationID"] intValue] context:nil]; [UIView setAnimationDelegate:self]; [UIView setAnimationCurve:UIViewAnimationCurveEaseOut]; [UIView setAnimationDuration:2]; [self setAlpha:0.0]; break; case ANIMATE_OTHER: // similar code here break; default: break; } break; case STATE_2: // similar code here break; default: break; } [[imageDict objectForKey:@"image"] drawAtPoint:[[imageDict objectForKey:@"location"] CGPointValue]]; [imageDict setValue:[NSNumber numberWithBool:NO] forKey:@"needsDisplay"]; } } [UIView commitAnimations]; } In addition, to make multiple sequential animations work correctly, there would need to be an outer controlling mechanism involving the animation delegate animationDidStop: callback that would set the needsDisplay entries in the dictionaries to allow/suppress drawing (and animation). The point that we are at now is that it all starts to look very ugly. More specifically: drawRect: starts to bloat quickly and contain code that is not "just drawing" code the UIView needs implicit awareness of the application state the overall process of drawing is now spread across three methods at a minimum And on to the point of this post: how can I do this better? What would the experts out there recommend in terms of overall structure? How can I keep application state information out of the view? Am I looking at this problem from the wrong direction. Is there some completely different approach that I should consider?

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  • running pdb from within pdb

    - by Andrew Farrell
    I'm debugging an script that I'm writing and the result of executing a statement from pdb does not make sense so my natural reaction is to try to trace it with pdb. To paraphrase: Yo dawg, I like python, so can you put my pdb in my pdb so I can debug while I debug?

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