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  • When to give in and start The Big Rewrite?

    - by John Cromartie
    I've had my share of projects where the first thing I think is "let's just rewrite it in ." Everybody feels the urge at some point. In fact, I think I've had the urge to rewrite pretty much every project I've ever been on. However, it is accepted wisdom that a total rewrite is generally a bad idea. The question is: when do you look at a project and say: "OK, it's time to start over." What sort of metrics or examples can you cite of where a rewrite was truly necessary? How bad does the code have to be? How old can a project get before there too much invested?

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  • PHP: What's the best way to check equality of $_SERVER['HTTP_REFERER'] ?

    - by Hank
    I have a PHP script that checks the HTTP Referer. if ($_SERVER['HTTP_REFERER'] == 'http://www.example.com/') {...} However, this seems inherintly unsafe ... because what happens if the user goes to 'http://example.com/' or 'http://www.ExaMple.com' (both of which don't match the equality test). Question: what's a better equality test to ensure that the HTTP Referer is coming from 'example.com' ?

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  • What exactly is SEO friendly site?

    - by Tom
    Hey, So, I've seen web developers writing in their CV that they create "SEO friendly sites. ". Also I heard that Wordpress is SEO friendly site and other CMSs. So, what does SEO friendly site mean? I understand, that titles and URLs are probably the most important things for making good positions in google, but is there any other things which I should know? Thanks

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  • How to make URL pattern like app.example.com?

    - by abc
    I have my domain say "example.com" (java, GlassFish Web Server) Now I have 3 application.. say A,B,C. Now what I want is, if user hit a.example.com OR example.com/X then A application should get invoked. similarly for B and C. b.example.com or example.com/B, c.example.com or example.com/C. like mail.google.com news.google.com. How to configure this? I couldn't query it in Google as I didn't know how to query for this exactly. So posted here. Thankx guyz in advance.

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  • Lotto program doesn't stop

    - by Naseyb Yaramis
    So I'm making a lotto game. You have to enter 6 lucky numbers and if they're the same as the lotto numbers then you win. Here is my code: using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace OefeningExaam { class Program { static void Main(string[] args) { Random getal = new Random(); int[] lottotrekking = new int[6]; Console.WriteLine("Geef je geluksgetallen in <tussen 1 en 42>"); Console.WriteLine("Geef je eerste getal in"); int getal1 = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("Geef je tweede getal in"); int getal2 = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("Geef je derde getal in"); int getal3 = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("Geef je vierde getal in"); int getal4 = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("Geef je vijfde getal in"); int getal5 = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("Geef je zesde getal in"); int getal6 = Convert.ToInt32(Console.ReadLine()); while (getal1 != lottotrekking[0] || getal2 != lottotrekking[1] || getal3 != lottotrekking[2] || getal4 != lottotrekking[3] || getal5 != lottotrekking[4] || getal5 != lottotrekking[4] || getal6 != lottotrekking[5]) { for (int i = 0; i < lottotrekking.Length; i++) { int cijfer = getal.Next(1, 43); lottotrekking[i] = cijfer; Console.WriteLine(lottotrekking[0] + "\t " + lottotrekking[1] + "\t " + lottotrekking[2] + "\t " + lottotrekking[3] + "\t " + lottotrekking[4] + "\t " + lottotrekking[5]); } } if (getal1 == lottotrekking[0] && getal2 == lottotrekking[1] && getal3 == lottotrekking[2] && getal4 == lottotrekking[3] && getal5 == lottotrekking[4] && getal5 == lottotrekking[4] && getal6 == lottotrekking[5]) { Console.WriteLine(lottotrekking[0] + " " + lottotrekking[1] + " " + lottotrekking[2] + " " + lottotrekking[3] + " " + lottotrekking[4] + " " + lottotrekking[5]); } Console.ReadLine(); } } } The problem is that the program just keeps going and doesn't stop. It's supposed to stop when the lucky numbers are the same as the lotto numbers.

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  • Problems with the Enterframe Event

    - by user434565
    Hey guys, I have been developing a game using Flex, and used the Timer class to keep the main loop going. However, when I tried using the enterFrame event to do the main loop, there were a few problems. First of all, physics simulation seemed way too fast. Is the enterFrame event called more than once per frame? I set the application's global frame rate to 24, so shouldn't the application set off the event every 1/24 of a second? And the second problem is that when the game runs like this, some MXML components that are added are not shown. I have absolutely no idea why this happens. Help me please?!? Thanks.

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  • How to count time securely in a Flash game?

    - by user352353
    Hello. I'm developing a Flash game in ActionScript 2, and the issue if that this game has to count the time securely. It can't count the time from the Date class because the Flash Player takes the time from the local computer, and the user can change the local time so the time reported would be fake. I haven't considerend to take the time from the server because there's a 3WH (3 way handshake) time and it would not be practical. What do you sugest me??

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  • jQuery setinterval does not show first element

    - by Me-and-Coding
    Hi, I am creating this content slider, you can view/edit here: http://jsbin.com/esame4 I have put in place setInterval so that animation runs automatically, however, when it is run for the first time, google image is shown but not afterwords. Should be simple but i am unable to figure out the problem.

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  • One application instance for two domain name

    - by dervlap
    Hello, I have two web applications in ASP.NET which are quite the same (same business logic, same DAL, same DB scheme but different instance). The only thing that I need to change is the design (logo, color,...) and the text (global and local resource) to adress two separate business sector. We cannot "subdomain" the application because we need the two app "seems to be" independant. Is it a good idea to run only one instance for the 2 web applications. For example : I will have 2 hostnames : mycompagny.com and mycompagny2.com and I will put an HTTP Module which will set a string which will be propagated in my application like 'company' and 'company2'. I will instanciate the dal only once but the connection string will change depending on the string 'company' or 'company2'. Any pros and cons ? Any other alternatives ?

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  • Changing careers to Software Engineering.... Wise?

    - by Phil
    Hello everyone, I notice this site has a wealth of software professionals and I am investigating a career change to Software Engineering: *Particularly, I would like to know how likely one would be able to work from home or another country over the internet. Is this something that can be done and what does it usually entail? (time?,experience?, specific companies?, etc) *Currently, I am a teacher but always had a passion for tech. I am interested in a MS - Software Engineering program designed for individuals based from another field. Is this a wise degree to obtain? Would I be just wasting my time and money obtaining this degree? (I'm suspicious about this program and the feasibility of obtaining employment without a healthy CS background) Thanks for any assistance you can provide!

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  • XNA: What is the point of Unload()?

    - by Rosarch
    XNA games have an Unload() method, where content is supposed to be unloaded. But what is the point of this? If all the content is being unloaded, then the game must be exiting, in which case everything would be garbage collected anyway, right?

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  • Google Chrome && (cache || memory leaks).

    - by Alexey Ogarkov
    Hello All, I have a big problem with Google Chrome and its memory. My app is displaying to user several image charts and reloads them every 10s. In the interval i have code like that var image = new Image(); var src = 'myurl/image'+new Date().getTime(); image.onload = function() { document.getElementById('myimage').src = src; image.onload = image.onabort = image.onerror = null; } image.src = src; So i have no memory leaks in Firefox and IE. Here the response headers for images Server Apache-Coyote/1.1 Vary * Cache-Control no-store (// I try no-cache, must-revalidate and so on here) Content-Type image/png Content-Length 11131 Date Mon, 31 May 2010 14:00:28 GMT Vary * taken from here In about:cache page there is no my cached images. If i enable purge-memory-button for chrome (--purge-memory-button parameter) it`s not help. Images is in PNG24. So i think that the problem is not in cache. May be Google Chrome is not releasing memory for old images. Please help. Any suggestions. Thanks.

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  • PHP: Remove the first and last item of the array

    - by phpBOY
    Hi, Suppose I have this array: $array = array('10', '20', '30.30', '40', '50'); Questions What is the fastest/easiest way to remove the first item from the above array? What is the fastest/easiest way to remove the last item from the above array? So the resulting array contains only these values: '20' '30.30' '40'

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  • What's the best way to stop multiple instances of a Windows app being launched?

    - by John
    Many Windows apps (like Skype or MSN for instance) don't let you start multiple instances, rather trying to run it a 2nd time just leaves the existing version running. Is this typically done in some simple way - the start-menu shortcut is a 'wrapper' app around the main app - or is there some registry magic you can do to delegate the problem to Windows itself? Specifically dealing with Win32 here (unmanaged C++) but happy to hear more general solutions as long as they are workable on Windows XP or alter.

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