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  • PHP mySQL query's and PHP Variables

    - by jon
    I'm trying to make an OO Login system for a project I'm working on, and am having trouble with inserting variables into the query strings. In the code below, if I replace "$TBL_NAME" with the actual table name it works. Why isn't $TBL_NAME translating to the value of $TBL_NAME? class UserDB { private $TBL_NAME = "users"; public static function CheckLogin($username, $password) { Database::Connect(); $username = stripslashes($username); $password = stripslashes($password); $username = mysql_real_escape_string($username); $password = mysql_real_escape_string($password); $sql="SELECT uid FROM $TBL_NAME WHERE username='$username' AND password='$password' "; $result =mysql_query($sql); $count=mysql_num_rows($result); if ($count==1) return true; else return false; } The Query is returning false.

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  • Detecting video playing in browser from a screenshot -- OpenCV

    - by Jon
    I would like to draw a rectangle around a video playing on my screen. For example, I am watching a YouTube video in my browser. I would like to be able to take a screenshot, analyze that screenshot, and then draw a rectangle around where the YouTube video is playing. I have just started looking into how I might be able to to this. I came across OpenCV. I understand that OpenCV covers many computer vision techniques. Would any of them be particularly well suited for this task? Also, is this something that can be done in real time? Finally, is there a technique that would work for both in browser and full screen? Thanks!

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  • Firewall configuration. (Windows server 2008)

    - by Jon
    Hello. I'm having a little problem with configuring the firewall on my server. I only want a specific range of IPs to be able to access specific ports. For example, I'm having alot of password attempts to some of my servers, so I want to make it more safe by only allowing incoming connections from a specific range of domain. Example: My IP is usually adsl-324-4.somecompany.com so I want to allow *.somecpompany.com to connect, as my IP is dynamic. That would get rid of alot of attempts to hack into my servers. But I have no idea how to mask a domain like that for the firewall. How could I for example allow all incoming connections from *.is? Thanks.

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  • Rails view error "invalid byte sequence in US-ASCII" error after upgrading Ruby to 1.9.2

    - by Jon
    Running Rails 2.3.9 and just upgraded to Ruby 1.9.2p0. I have been putting: # encoding: utf-8 in a bunch of my .rb files where ever "£" character is used, and this seems to be working. But i just got my first view error: invalid byte sequence in US-ASCI for this line of code: <%= number_to_currency(product.price, :unit => "£", :precision => 0) %> I don't think its a coincidence that the "£" character is involved again. Any ideas on how to solve this please? Thanks

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  • jQuery: Load body of page into variable

    - by Nathan G.
    I'm using jQuery to load the result of a PHP script into a variable. The script is passed something that the user typed with a GET request. I want to take just what the script spit out into its <body> tag. Here's what I've tried: JS: function loader() { var typed = $('#i').val(); //get what user typed in $.get("script.php", {i: typed}, function(loaded) {dataloaded = loaded;}); alert($(dataloaded).find('body')) } But it just displays [Objec object]. How can I get a useful value that is just the contents of the body of a loaded page? I know the PHP works, I just need the JS. The script echos something like 1!!2 (two numbers separated by two exclamation points). Thanks!

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  • Decrement all int values in Dictionary

    - by Jon
    I have a Dictionary<string,int> and I simply want to decrement the value in my dictionary by one. I have this but not sure if its best practice. foreach (KeyValuePair<string, int> i in EPCs) { EPCs[i.Key] = i.Value - 1; }

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  • Is it possible to have file filters for multiple extension types?

    - by Jon Cage
    I'm using a standard Windows FileDialog to allow the user to select some files. I'd like to filter out only the file types I'm interested in though (lets call them *.a and *.b). Is there any way to do this without using *.*? I've tried the following but it fails to match any files at all: this->openFileDialog1->DefaultExt = L"*.a,*.b"; this->openFileDialog1->FileName = L"openFileDialog1"; this->openFileDialog1->Filter = L"My Data Files (*.a,*.b)|*.a,*.b";

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  • ASP.Net Gridview, How to activate Edit Mode based on ID (DataKey)

    - by Jon P
    I have a page, lets call it SourceTypes.aspx, that has a a GridView that is displaying a list of Source Types. Part of the GridView is a DataKey, SourceTypeID. If source TypeID is passed to the page via a query sting, how to I put the Gridview into Edit mode for the appropriate row based on the SourceTypeID? The GridView is bound to a SQlDataSource object. I have a feeling I am going to kick myself when the answer appears!! I have looked at Putting a gridview row in edit mode programmatically but it is some what lacking in specifics

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  • How do I get Nunit to run selenium tests against different servers?

    - by Jon
    I have an Nunit test which uses selenium RC to run tests against our UI. I want to run the tests against 2 different servers, which means having the call to selenium.open() with 2 different servers. However, I don't want to have 2 different Nunit test suites that do the same thing but against different servers. I need a way of passing parameters from Nant or the Nunit driver program to specific which server to test against. Is there anyway to do this?

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  • What is the best way to include a php file as a template?

    - by Jon
    I have simple template that's html mostly and then pulls some stuff out of SQL via PHP and I want to include this template in three different spots of another php file. What is the best way to do this? Can I include it and then print the contents? Example of template: Price: <?php echo $price ?> and, for example, I have another php file that will show the template file only if the date is more than two days after a date in SQL.

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  • how to dynamically (re)position an element according to the bottom of the page using JS / Jquery?

    - by jon
    Hi All, the back story: i have a tab section on a page which when navigated through displays sections (divs) of varying height. the result, is that certain inputs (which are strangely positioned for reasons i can't change) on this page reposition themselves problematically. the proposed solution: as the page height changes, have these problem inputs repositioned according to the page bottom (from which their appropriate distances are always a constant). what i'm thinking is that i need some js that does something like, page height change triggers input position from bottom to = x. there are two inputs if that's at all relevant. :) if only there was css for this (i know there is under normal circumstances, but trust me -- not in this case). thanks for your time & help i've been struggling with this for weeks!

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  • Is it possible to turn a normal date into an ISO 8601 time format?

    - by Nathan
    I am trying to turn this type of format of the date: Thursday, November 10th, 2011 at 10:37 PM Into an ISO 8601 format (with PHP). How can I do this? I've tried: date("c", $row2['time']) Obviously, that's not correct, because the timeago jQuery plugin is saying "41 years ago", and that is definitely not 41 years ago. Is it not possible to turn that kind of date into the ISO 8601 format? I've tried searching for this and I haven't found any solutions on how to turn this format into ISO 8601.

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  • Different characters take more/less data?

    - by Nathan
    I am working on a personal project and I'm wondering if certain characters take up more data in a text file than others. I need to choose a character to seperate items in my file, but if a 0 uses less bytes than a ! or something, it would be best to do that. I know all characters have an ASCII value, but would a lower ASCII value mean the character can be stored in fewer bytes? This might be an incredibly stupid question, but I don't see any information on the topic online so I came here to check. Thanks!

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  • How to determine which enemy is hit and destroy it alone

    - by Jon Ferriter
    http://jsfiddle.net/5DB6K/ I have this game being made where you shoot enemies from the sides of the screen. I've got the bullets moving and being removed when they reach the end of the screen (if they didn't hit any enemy) and removing the enemy when they collide with it. //------------collision----------------// if(shot === true){ bulletY = $('.bullet').position().top + 2; bulletX = $('.bullet').position().left + 2; $('.enemy').each(function(){ if($('.enemy').hasClass('smallEnemy')){ enemyY = $(this).position().top + 7; enemyX = $(this).position().left + 7; if(Math.abs(bulletY - enemyY) <= 9 && Math.abs(bulletX - enemyX) <=9){ $(this).remove(); score = score + 40; bulletDestroy(); } } }); } However, the bullet destroys every enemy if the collision check is right which isn't what I want. I want to check if the enemy has the class of either smallEnemy, medEnemy, or lrgEnemy and then do the collision check which is what I thought I had but it doesn't seem to work. Also, the game starts to lag the more and more time goes on. Would anyone know the reason for that?

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  • Python 3.1: Syntax Error for Everything! (Mac OS X)

    - by Nathan G.
    I updated to Python 3.1.3 (I've got OS X 10.6). If I type python in Terminal, I get a working 2.6.1 environment. If I type python3 in Terminal, I get a 3.1.3 environment. Everything looks fine until I do something. If I try to run print "hello", I get a syntax error. This problem is the same in IDLE. I tried deleting everything for 3.1 and then reinstalling, but it hasn't worked. Ideas? Thanks in advance!

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  • Find where a variable is defined in PHP (And/or SMARTY)?

    - by Jon
    I'm currently working on a very large project, and am under a lot of pressure to finish it soon, and I'm having a serious problem. The programmer who wrote this last defined variables in a very odd way - the config variables aren't all in the same file, they're spread out across the entire project of over 500 files and 100k+ lines of code, and I'm having a hell of a time figuring out where a certain variable is, so I can fix an issue. Is there a way to track this variable down? I believe he's using SMARTY (Which I can not stand, due to issues like this), and the variable is a template variable. I'm fairly sure that the variable I'm looking for was initially defined as a PHP variable, then that variable is passed into SMARTY, so I'd like to track down the PHP one, however if that's impossible - how can I track down where he defined the variable for SMARTY? P.S. I'm in Vista, and don't have ssh access to the server, so 'grep' is out of the question.

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  • Output Caching - why doesn't it seem to do the job?

    - by Jon
    Hi, I have quite a big user control which creates an ASP.NET tab menu and within each tab a lengthy set of icons/menus. The menu is dynamically created from the database. I thought I could wrap the user control with an output cache directive to speed things up. I set OutputCache varybyparam="none" and duration to 120 seconds. When I navigate to my page, the usercontrol containing the tab menus and icons etc just vanishes? I thought ASP.NET was supposed to deliver some HTML that would previously have been cached. So why isn't this working? It doesn't seem to do what the label says on the tin?!? ;)

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  • Text extra aliased(jagged) in IE - looks terrible - but OK in FF and Chrome

    - by jon
    I am building a website - http://www.efficaxdevelopment.com As you can see when you load the page(in IE) the text on the page that isn't an image or the menu looks terrible, while in FF and Chrome the text looks fine. you can view the source on the page and the css is here http://www.efficaxdevelopment.com/styles/mainstyle.css Also, the sliding bar over the menu appears a few pixels left of where it appears in FF and IE. Any ideas?

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  • Weird output as the numbers get bigger in Fibonacci sequence

    - by Jon
    I noticed in my fibonacci sequence that I'm getting negative numbers after a certain point. Does this have to do with the limited range of "int"? or is there something wrong with my code? Here is the code: using std::cout; int main() { int n = 50, f1 = 0, f2 = 1, fn = 0, i = 0; cout << "0 "; for (i = 0; i < n; i++) { fn = f1 + f2; f2 = f1; f1 = fn; cout << fn << " "; }

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  • Calling a constructor from method within the same class

    - by Nathan
    I'm new to java and I'm learning about creating object classes. One of my homework assignment requires that I call the constructor at least once within a method of the same object class. I'm getting an error that says The method DoubleMatrix(double[][]) is undefined for the type DoubleMatrix Here's my constructor: public DoubleMatrix(double[][] tempArray) { // Declaration int flag = 0; int cnt; // Statement // check to see if doubArray isn't null and has more than 0 rows if(tempArray == null || tempArray.length < 0) { flag++; } // check to see if each row has the same length if(flag == 0) { for(cnt = 0; cnt <= tempArray.length - 1 || flag != 1; cnt++) { if(tempArray[cnt + 1].length != tempArray[0].length) { flag++; } } } else if(flag == 1) { makeDoubMatrix(1, 1);// call makeDoubMatrix method } }// end constructor 2 Here's the method where I try and call the constructor: public double[][] addMatrix(double[][] tempDoub) { // Declaration double[][] newMatrix; int rCnt, cCnt; //Statement // checking to see if both are of same dimension if(doubMatrix.length == tempDoub.length && doubMatrix[0].length == tempDoub[0].length) { newMatrix = new double[doubMatrix.length][doubMatrix[0].length]; // for loop to add matrix to a new one for(rCnt = 0; rCnt <= doubMatrix.length; rCnt++) { for(cCnt = 0; cCnt <= doubMatrix.length; cCnt++) { newMatrix[rCnt][cCnt] = doubMatrix[rCnt][cCnt] + tempDoub[rCnt][cCnt]; } } } else { newMatrix = new double[0][0]; DoubleMatrix(newMatrix) } return newMatrix; }// end addMatrix method Can someone point me to the right direction and explain why I'm getting an error?

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