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  • just started getting the "validation of viewstate mac" error

    - by Scott J.
    I have had a site up and running for quite a while, but I've just started getting the MAC failed error. Quite often too. While coding tonight I've noticed it 4 times or so. The host (through someone else) changed servers and we've had a bunch of issues. This started happening since then. What are all the possibilities that it could be on the server end that I could ask? (I don't know all that much about IIS). Thanks!

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  • php script to generate checksum from md5

    - by sumit
    In order to calculate the checksum i need following things. these parameters are concatenated in a constant (no spaces) string made up of the values of the following parameters in the exact order listed below: o Secret Key o Merchant id o Currency o Total amount o Item list (item_name_1, Item_amount_1, item_quantity_1 to item_name_N, Item_amount_N, item_quantity_N) o Timestamp e.g In that case the string befor hash will be: pLAZdfhdfdNh57583USD69.99Tier2 item69.9912010-06-14.14:34:33 And using the MD5 hash function the result is: ghvsaf764t3w784tbjkegbjhdbgf i want to know how can i create a php script that will call md5 hash function with the inputs given above and based on that it will generate the hash function value that will be the checksum value for my coding..

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  • Dynamic SQL queries in code possible?

    - by SeanD
    Instead of hard coding sql queries like Select * from users where user_id =220202 can these be made dynamic like Select * from $users where $user_id = $input. Reason i ask is when changes are needed to table/column names i can just update it in one place and don't have to ask developers to go line by line to find all references to update. It is very time consuming. And I do not like the idea of exposing database stuff in the code. My major concern is load time. Like with dynamic pages, the database has to fetch the page content, same way if queries are dynamic first system has to lookup the references then execute the queries, so does it impact load times? I am using codeignitor PHP. If it it possible then the next question is where to store all the references? In the app, in a file, in the DB, and how?

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  • that, self or me — which one to prefer in JavaScript?

    - by Török Gábor
    While coding JavaScript sometimes you store the reference of object this in a local variable for different purposes (to set proper scope, to help code obfuscators, etc.). There are coders who prefer aliasing this to that to make it obvious its intention. Other guys use self since it's pointing to the object itself. I even saw source codes where me held the reference and it still makes sense. Certainly there are other ones. Which one should I prefer? Is there a convention on which to use or is it only the matter of taste.

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  • html-embedded php code not executing when hosted on iis

    - by Jack
    <HTML> <HEAD> <META NAME="GENERATOR" Content="Microsoft Visual Studio .NET 7.1"> <TITLE></TITLE> </HEAD> <BODY> <?php echo '<p>Hello World</p>'; ?> </BODY> </HTML> When I run the above code in a browser, firefox renders it like this: Hello World '; ?> I am doing my coding in Windows XP/IIS 5.1. I have PHP set up correctly because I have no problem running .php files. The problem, it seems to me, is that IIS can't render php code embedded inside html. Does anyone know how to fix this problem or should i switch to Apache?

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  • I want to learn implementation of twitter or other user based systems but how?

    - by henderunal
    Hello, I want to learn implementation of twitter or other user based systems but how? My problem is, i know the language basics, i know the rules but when i want to implement i don't know where to start. For example i'm coding a site which have 2 different user type: one of them normal user others are some advanced users. advanced users have more two links on their index page. I don't know how can do that. I hope i can explain my problem. Any help will be great for me. Thanks.

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  • jquery issues - it wont change it accordingly

    - by chuck
    My coding isnt linking properly , its meant to use jquery to detect the OS and change the link accordingly , however it isn't. In my HTML page I have it linked in the header as <script src="jsquery.js" type="text/javascript"></script> which loads up my jsquery now $(document).ready(function() { if (navigator.appVersion.indexOf("Win") != -1) { // Computers runs windows $("a[href$='.pdf']").each(function() { this.href = this.href.replace("Volumes", "KP01DS0194TG"); }); } if (navigator.appVersion.indexOf("Mac") != -1) { // computer is a Mac $("a[href$='.pdf']").each(function() { this.href = this.href.replace("KP01DS0194TG", "Volumes"); }); } }); Yet on Mac's it still tries to connect to KP01DS0194TG and not to Volumes - it doesnt change it - how can I get it to recognize the OS and change it accordingly?

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  • how good do you have to be to claim you have X amount of experience with X language/platform/skill

    - by dfafa
    sometimes i see job requirements saying you need 5 years of LAMP experience or resumes listing years of experience for each language.... what would you need to prove you have 5 years of experience at something ? i mean what if you rested for a while from coding ? what if you were actually "learning" during the first few years ? i feel no confidence at all and although i have been learning web programming (lamp) since 4 years ago, i am uncertain whether my skills qualify as to those of someone who has "5 years of LAMP" experience, and how would i be able to find out ? i've written several web apps....but they haven't taken off as i hoped.

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  • C++ new line not translating

    - by m3n
    First off, I'm a complete beginner at C++. I'm coding something using an API, and would like to pass text containing new lines to it, and have it print out the new lines at the other end. If I hardcode whatever I want it to print out, like so printInApp("Hello\nWorld"); it does come out as separate lines in the other end, but if I retrieve the text from the app using a method that returns a const char then pass it straight to printInApp (which takes const char as argument), it comes out as a single line. Why's this and how would I go about to fix it?

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  • jQuery model-view-controller vs Spring MVC

    - by user1515968
    my question is what potential problems or difficulties would be with implementing usual web app with somewhat reach user interface (multiple dynamic tabs, accordians and so on) using jQuery MVC approach with Spring REST vs using Spring MVC. Problems what I can think of could be: I will not be able to use Spring security fully, JavaScript coding could become hard to manage, any form verification becomes not easy to manage... what else? and does jQuery MVC with REST make sense at all? On other side jQuery with MVC and REST move all GUI concerns to JavaScript side (whether it is bad or not) and leave all data manipulation to server side.

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  • App crashing on open on Motorola Backflip only

    - by anakin78z
    I have recently published my second app on the Android Market. I've gotten a few e-mails about the app crashing on open, and all users were using the Motorola Backflip. It seems to work fine on all other devices. The app shows the background image, but crashes right after that. Is there something different I have to do when coding for that device? The strange thing is that it is very similar to my first app, which seems to work just fine for them. The major difference is that my second app is a paid app, and uses Android Licence Verification. My implementation should catch any license errors though, and I've tested this on my device. Users have uninstalled and reinstalled the app without success. I'm stumped. The other thing they're reporting is that the icon doesn't even show properly, but rather is a gear in a box, which makes me think that something goes awry very early in the installation process.

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  • frame variable cannot be found

    - by Umzz Mo
    I am making 3 board games, and I have started my coding off in one class. Now that i wanted to move around it is giving me problems. In my view class I just want to have the main frame where users can pick from the games. And in the other views, i.e the childrens of view class i want to have the interface for the actual games. Now that the Jframe frame = new frame was created in the parent class, it cannot find the variable frame in the children classes.

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  • Does SELECT COUNT(*) work with MySQLi prepared statements?

    - by wordman
    I'm working on a test page and am using MySQLi prepared statements in my queries after reading they make my code safe from SQL injection. I have been successful with prepared statements so far with retrieving data from my DB, that all works great. What I want to do now is count the number of galleries within a project using SELECT COUNT(*). That's it. Without using a prepared statement, my old query looked like this: // count number of galleries per project $conn = dbConnect('query'); $galNumb = "SELECT COUNT(*) FROM pj_galleries WHERE project = {$pjInfo['pj_id']}"; $gNumb = $conn->query($galNumb); $row = $gNumb->fetch_row(); $galTotal = $row[0]; But for all my reading and searching the internet, I can not find out the proper way to write this as a prepared statement. I'm no PHP whiz here, and not coding daily isn't helping my skills. If I've missed anything please ask. Many thanks!

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  • Is starting to use CDATA a breaking change?

    - by kicsit
    For interaction with a customer's application we use XML documents. That is, we send an XML over HTTP and receive a response XML document the same way. The customer specified two XML schemata that describe the format of both the request and reply. All was working fine, until one day the customer started to use CDATA sections in the response XML. We set up our parser unmindful of CDATA sections, so we failed to interpret them. My question is: Who made a mistake here? I tried to find an answer in the XML standards, but I'm still not sure. I think I cannot prescribe using or not using CDATA's in an XSD, is that right? If so, is it not enough to agree upon an XSD, but a separate agreement has to be made about CDATA sections? Or one is obliged to be prepared to parse CDATA and regular text as well? I'm interested in both your personal views and official statements too. Thank you!

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  • How to implement a UIViewAutoresizingFlexibleHeight to a UIScrollView using Objective C in iPhone SD

    - by AppleHack23
    Hello, I'm working on multiple applications for my school. I just need this last bit of code and I was wondering how I could implement a UIViewAutoresizingFlexibleHeight into the app for each textfield. What this does is it makes the textfield pop above the keyboard, rather than over lapping it. I have already implemented a UIScrollView, so if someone on here could be pretty descriptive, or post a link to a video, that would be well appreciated. I am new to coding. Thanks very much!!!!

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  • Display username to logged in user only?

    - by RodeoRamsey
    I have a Wordpress blog set up to display comments as "Anonymous User" by hard coding it into the comments.php file. I would like to have it say the user's Username next to their comment and ONLY display that Username to THEM. In other words, if they're a guest, they'll see "Anonymous User" and if they're a registered/logged in DIFFERENT user, they'll still see "Anonymous User", but if it's THEIR comment it'll say "Your Comment" or their own username. Any clue on a snippet of code? Here's what I have so far: Anonymous User: <div class="post-txt" id="<?php comment_ID() ?>"><?php comment_text() ?></div> Thanks!

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  • What is an instance of a field called?

    - by waxwing
    This might be an odd question, but it has actually caused me some headache. In Object oriented programming, there are accepted names for key concepts. In our model, we have classes with methods and fields. Now, going to the data world: An instance of a class is called an object. An instance of a field is called... what? A value? Isn't the term value a little broad for this? I have been offered "property" as well, but isn't property also part of the model and not the data? (This is not purely academic, I am actually coding these concepts.)

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  • How can I convince IE to simply display application/json rather than offer to download it?

    - by Cheeso
    While debugging jQuery apps that use AJAX, I often have the need to see the json that is being returned by the service to the browser. So I'll drop the URL for the JSON data into the address bar. This is nice with ASPNET because in the event of a coding error, I Can see the ASPNET diagostic in the browser: But when the server-side code works correctly and actually returns JSON, IE prompts me to download it, so I can't see the response. Can I get IE to NOT do that, in other words, to just display it as if it were plain text? I know I could do this if I set the Content-Type header to be text/plain. But this is specifically an the context of an ASPNET MVC app, which sets the response automagically when I use JsonResult on one of my action methods. Also I kinda want to keep the appropriate content-type, and not change it just to support debugging efforts.

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  • Where is the best place to start learning Java Socket Programming?

    - by MarcoBoomTing
    I wish to create a Java Socket server which can be connected to using Javascript and/or Flash. I have experience in Connecting to sockets in flash, and using a comet like system in Ajax. I wish to make a live communication system, which will intale multiple connections to the server from various clients, needing almost instant communication between peers. I coded a system like this in PHP but I want to convert it to Java, simply because I don't want the PHP engine to be tied up on this Sever, as it serves all the web stuff normally on the site, and i've heard is more powerful for this sort of thing. Just looking for advice on where I can start learning how to write this sort of system using Java? I have previous coding experience in PHP, Javascript, Adobe Air and AS3 if That helps?

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  • Making swedish characthers show properly in Windows Command Prompt using Python in Notepad++

    - by Alex
    The title explains it well. I have set up Notepad++ to open the python script in the command prompt when I press F8 but all Swedish characters looks messed up when opening in CMD but perfectly fine in e.g IDLE. This simple example code: #!/usr/bin/env python #-*- coding: UTF-8 -*- print "åäö" Looks like this. As you can see the output of the bath file I use to open Python in cmd below shows the characthers correctly but not the python script above it. How do i fic this?

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  • C++ IDE for OSX

    - by gprime
    When i was at university i wrote a lot of C++. I primarily used either Visual Studio (at the time it was version 6) or VIM (if i was on linux) as an editor to write my code. Since i have graduate and have been working primarily in web programming i have stopped writing C++. Since i graduated i have also bought myself and started using my Mac exclusively. I am now starting to get back to my C++ coding (just for fun) and would like an opinion on good IDE's for Mac. I am currently using xCode which seems kinda cool because it has everything built into it. Do any of you have any other IDE's that you would suggest that i give a shot or should i just stick to xCode?

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  • Third Party Libraries and Technologies every Java Programmer must be aware of?

    - by kunjaan
    I agree that this is a very subjective question but as a student of Java , I get suggested good libraries and technologies for Java by my mentors at work. For example, I was not aware of Google Guice for Dependency Injection, awesomeness of Java Reflection APIs, ORMs like Hibernate or stuffs you could do with libraries like Hadoop. I want to collect and share some of the libraries that exemplifies good java programming (so that beginners like me could code walk and emulate the coding practice), teach unique concepts to Java (for example Dependency Injections or ORM) and/or are really interesting libraries that a student like me would get to do interesting projects on (eg. Hadoop). I redited this question 3 times to make it more specific : ). I am sorry if I am really not clear in my intentions. But some kind of a list of good concepts and third party libraries for Java could really help some of my intern friends here at work. Thank you.

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  • looping and arrays

    - by user1838418
    Hi I'm trying to construct a loop to execute 16 states of the 8 4 2 1 code in (C++) while( condition) { double Bubble[16], Bubble1[16]; Bubble[0] = ( a-2 - (b-2) ) + ( c-2 - (d-2)); // represents 0000 Bubble[1] = ( a-2 - (b-2) ) + ( c-2 - (d+2)); // represents 0001 Bubble[2] = ( a-2 - (b-2) ) + ( c+2 - (d-2)); // represents 0010 Bubble[3] = ( a-2 - (b-2) ) + ( c+2 - (d+2)); //represents 0011 ....... Bubble[15] =(a+2 - (b+2) ) + ( c+2 - (d+2)); //represents 1111 } Is there an easy way of coding using for loops? instead of writing bubble[] every time? 0 stands for -2 and 1 stands for +2. So I have 4 variables and each one need to be incremented and/or decremented. Can this be done using for loop? Appreciate your help

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  • passing variables when calling methon in new thread (iphone)

    - by Mouhamad Lamaa
    dear stacks i need to pass variables to the thread method when creating a new thread my code is the follwing //generating thread [NSThread detachNewThreadSelector:@selector(startThread) toTarget:self withObject:nil]; thread job - (void)startThread:(NSInteger *)var img:(UIImageView *) Img{ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; [NSThread sleepForTimeInterval:var]; [self performSelectorOnMainThread:@selector(threadMethod) withObject:nil waitUntilDone:NO]; //i need to pass Img to threadMethod: [pool release]; } thread Method - (void)threadMethod:(UIImageView *) Img { //do some coding. } so how i can do this (pass parameter to both of methods

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  • Storing database records into array

    - by zerey
    I would want to create an array that will hold records retrieved from a database using a query of SELECT statement. The records to be retrieved have multiple fields such as lastname, firstname, mi and 20 more fields. What would be the best approach on coding this function? alright i have followed what prisoner have given below.. the next question is how do i search through this kind of array using queries? for example i want to search for a username..

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