chris go - Page 266 - Developer IT

How to put log in box in a website to ensure one user can vote once only?

- by shah

I have a school project to do which requires us to develop an online voting website. how do i ensure one user has voted once only? the website is supposed to be in booths in public places which means i cannot use ip addresses or cookies. i was planning to use fb login id or maybe some other email id but i cannot find relevant codes/links. i just want people to go through the procedure of entering the log in id but not go to fb directly. my website cannot be published online. could you please suggest how i can achieve this? it is a bit urgent, thank you!

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'Best' way to pull data relative to a div?

- by acidzombie24

This answer suggested i should put my data in JS instead of a textarea. Thinking about it i could have scripts and do something like myarray[i]="data" where i is the index of my for loop. However when i click a div how do i find out what i is? I have used var data = $(this).parent('.parent').find('.valuestr').eq(0).val(); which is extremely simple. Should i use a script or should i continue to do it with a textarea? if i should use a script 1) Whats the easiest way to find i and 2) Is it bad pratice to have dozens or hundreds of <script> in my html? or i can go through the loop twice but i still dont know the easiest way to find i. I would have to store it somewhere or go through multiple tags and count them.

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using NEWSEQUENTIALID() with UPDATE Trigger

- by Ram

I am adding a new GUID/Uniqueidentifier column to my table. ALTER TABLE table_name ADD VersionNumber UNIQUEIDENTIFIER UNIQUE NOT NULL DEFAULT NEWSEQUENTIALID() GO And when ever a record is updated in the table, I would want to update this column "VersionNumber". So I create a new trigger CREATE TRIGGER [DBO].[TR_TABLE_NAMWE] ON [DBO].[TABLE_NAME] AFTER UPDATE AS BEGIN UPDATE TABLE_NAME SET VERSIONNUMBER=NEWSEQUENTIALID() FROM TABLE_NAME D JOIN INSERTED I ON D.ID=I.ID/* some ID which is used to join*/ END GO But just realized that NEWSEQUENTIALID() can only be used with CREATE TABLE or ALTER TABLE. I got this error The newsequentialid() built-in function can only be used in a DEFAULT expression for a column of type 'uniqueidentifier' in a CREATE TABLE or ALTER TABLE statement. It cannot be combined with other operators to form a complex scalar expression. Is there a workaround for this ? Edit1: Changing NEWSEQUENTIALID() to NEWID() in the trigger solves this, but I am indexing this column and using NEWID() would be sub-optimal

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How shared hostings, domain names and DNS work together?

- by vtortola

Hi, I 've this little doubt but I couldn't find information about it, probably because I'm not searching the correct thing. When a browser ask for "www.mydomain.com", the DNS server returns an IP Address, then the browser go there... but what does happen then? I mean, that IP address could be a shared hosting that contains hundreds of web pages and domains, so how does it knows where it have to go? Is something that the web server does? is it something that I could implement in a web application? I mean, for example I have a web application that contains accounts, and each account has a default web page. You could access that page passing the account namne, for example "www.mydomain.com/myaccount", but now I want to register "www.myaccount.com" and then it will get the "www.mydomain.com/myaccount" content. Is it possible? Kind regards.

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Creating a "Universities Attended" Profile field/block (Drupal)

- by Frank0051

Interesting question for everyone. So I have am thinking of adding a "university attended" field to the profile page of members in Drupal. I guess I am trying to figure out the best way to go about it. I was originally thinking of a text field, but than I thought you could get multiple instances of of university names, making it hard to sort people by school (ie. UF, University of Florida, Florida, U of F, etc). I then began to think about creating a drop down, but I wasn't quite sure where I could get a listing of all the schools. Perhaps I could find a database population that a site like LinkedIn or Facebook uses. Then I thought of what happens when someone has attended multiple schools, how would I account for that? So, I guess I wanted to pose the question of how would you go about adding a University(ies) attended field to profile pages if you had to design a site to do so?

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copy C'tor with operator= | C++

- by user2266935

I've got this code here: class DerivedClass : public BaseClass { SomeClass* a1; Someclass* a2; public: //constructors go here ~DerivedClass() { delete a1; delete a2;} // other functions go here .... }; My first question is as follows: Can I write an "operator=" to "DerivedClass" ? (if your answer is yes, could you show me how?) My second question is: If the answer to the above is yes, could you show me how to make an "copy c'tor" using the "operator=" that you wrote beforehand (if that is even possible)? Your help would be much appreciated !

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Zend router problem

- by Fluffy

Hi, folks. I have some problems with zend routes I have shops controller. It has 3 actions(for now): index - lists all of shops using paginator(so I have /shops/?page=2) show - shows concrete shop (show/Apple+store) search - shows search form So now I need to make routing for that. I have followin routes 'shop', new Zend_Controller_Router_Route ('/shops/:title',array('controller' = 'shops', 'action' = 'show'),array('title' = '/^(?!search$).+$/')) 'search_shops',new Zend_Controller_Router_Route_Static ('/shop/search',array('controller' = 'shops', 'action' = 'show')) but when i try to go /shops/Apple+store it says, that there is no Apple store action. If I ommit regexp part on shop route, I can't go to search. What am I doing wrong?

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jQuery click event behaves differently with live function in Firefox

- by fjsj

Using the event click with live function leads to strange behavior when using Firefox*. With live in Firefox, click is triggered when right-clicking also! The same does not happen in Internet Explorer 7 neither in Google Chrome. Example: Without live, go to demo and try right clicking the paragraphs. A dialog menu should appear. With live, go to demo and try right clicking "Click me!". Now both dialog menu and "Another paragraph" appear. *tested with firefox 3.5.3

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Saving state between actions.

- by Igor

Hi all! I'd like to ask for a solution. For example we have a page. And I have a link to a another action from this page. I want to have an ability to save the values of entered data on the page. For instance I go to another page enter data and go back. Like the wizard. But the problem is that we can come to the action from different pages. And it need to save several data types. Is it understand? Any suggestions? I'd like to have common solution....

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How to clear all activity in android?

- by Sushant

I have one main activity "Dashboard" with a action bar containing home screen icon and exit button , i go to activity A -activity B -activity C from dashboard screen . Now on C, i click on action bar dashboard icon which bring to me on Dashboard screen . Now i go to activity E -activity G-activity H from dashboard screen . From H i press exit button , it come to C screen . When again click on exit i go through me out of application. Why there is need to press 2 times exit button for exit application . On Home Screen Icon :- public void onClickHome(View view){ final Intent intent = new Intent(getBaseContext(), Dashboard.class); intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP); getBaseContext().startActivity(intent); //goDashboard(); } ON exit button :- AlertDialog.Builder alert = new AlertDialog.Builder(this); alert.setTitle(getString(R.string.logoutDialogTitle)); alert.setMessage(getString(R.string.logoutDialogMessage)); final OnlineBookApp app = (OnlineBookApp) getApplicationContext(); alert.setPositiveButton(getString(R.string.logoutDialogCancel), new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { } }); alert.setNegativeButton(getString(R.string.logoutDialogOk), new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { //finish(); //stopService(new Intent(getBaseContext(), DatabaseSyncService.class)); // // moveTaskToBack(true); //// stopService(new Intent(getBaseContext(), DatabaseSyncService.class)); // System.runFinalizersOnExit(true); // android.os.Process.killProcess(android.os.Process.myPid()); //moveTaskToBack(true); // finish(); // app.SetIsExit(true); Intent intent = new Intent(getApplicationContext(), Dashboard.class); intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP); intent.putExtra("EXIT", true); startActivity(intent); } }); alert.setNeutralButton(getString(R.string.logoutDialogLogout), new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { //finish(); //stopService(new Intent(getBaseContext(), DatabaseSyncService.class)); //finish(); //app.SetIsExit(true); //stopService(new Intent(getBaseContext(), DatabaseSyncService.class)); app.logout(); Intent intent = new Intent(getApplicationContext(), Dashboard.class); intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP); intent.putExtra("EXIT", true); startActivity(intent); } }); alert.show();

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Twitter API - Display all tweets with a certain hashtag?

- by Probocop

Hi, How would I go about displaying tweets that contain a certain hashtag using the Twitter API? Thanks

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2.6.9 Kernel on virtual server (non upgradable) - any expected problems?

- by chris_l

Hi, I'm considering to rent a virtual server (for me personally). The product I'm currently looking at offers IMO fair pricing, very good hardware etc. The only problem is, that I won't be able to do an upgrade to a newer kernel than 2.6.9 (running Debian Etch). Also, I can't install my own kernel modules. (The server runs with Virtuozzo, so as far as I understand it, it just does some chroot instead of a real virtualization (?)) I want to run GlassFish, Postgres, Subversion, Trac and maybe some other things on it. It will also have to employ a firewall, and provide OpenSSL for https. Ideally, it would also be able to do AIO (asynchronous IO), which could speed up some server I/O. Should I expect problems with that old kernel version, in conjunction with the software I want to install (I'd like to use current versions of the software)? One thing I already found out, is that you can't do everything with iptables, since some kernel modules are missing/things are not build into the kernel. GlassFish v3 appears to run fine at first glance. I was able to test the server for a few hours. Installing my whole setup wasn't feasible in that time, but what I can say is, that it's amazingly fast for an entry-level vserver, especially hard disk and network performance (averaging at ca. 400MBit/s). So if the kernel won't be a problem, I'd really like to take it. Thanks, Chris PS Exact kernel version: 2.6.9-023stab051.3-smp

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display text when image on-click/hide text when different image click

- by Jonah1289

Hi I have created the following effects on the images seen here http://techavid.com/design/test3.html . You see when you hover and then click on each image, they go from grey to color. When you click on one - the others go grey and the one clicked remains color. That's cool, but now I need the text 1st: Sun for example to display and hide along with its graphic button. The word "Sun," is a link that needs to link out to a URL so it has to be separated from the image effect code. What jquery or javascript code do I need to do this? thanks, jonah p.s. How do i properly post the code I have now. I tried to paste code in "enter code here," but received errors - thnx

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UITableViewCell select even doesn't work

- by saimun

I had a page control(UIPageControl) on a view (UIViewController) with table view (UITableView) on each page, each page have own table and can go to different view controller. i add the codes in "didSelectRowAtIndexPath" which can go to next level, is works perfect when i test it in a table view by itself, but it doesn't works when i have page controller with it. - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { [tableView deselectRowAtIndexPath:indexPath animated:YES]; if (pageNumber == 0) { PicturesViewController *picturesView = [[PicturesViewController alloc] init]; [self.navigationController pushViewController:picturesView animated:YES]; [picturesView release]; } else if (pageNumber == 1) { PictureDetailViewController *pictureDetailView = [[PictureDetailViewController alloc] init]; [self.navigationController pushViewController:pictureDetailView animated:YES]; [pictureDetailView release]; } else if (pageNumber == 2) { MessagesViewController *messagesView = [[MessagesViewController alloc] init]; [self.navigationController pushViewController:messagesView animated:YES]; [messagesView release]; } } here is the code, if view directly to this table view this code is work, how can i make it work under the pagecontrol??

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Mixing HTML and STRUTS2 tags

- by ryan

I have a form which has both HMTL tags and struts tags. I use the HTML tags because of alignment issues with struts tags. <s:form action = "setNode" name = "processing" method ="POST"> <script> <!-- createTree(catArray); </script> <br/> <s:radio name="processOption" label="" list="{'Add','Move','Delete'}" ></s:radio> <s:textfield name="node" ></s:textfield> <s:submit name="Go" value=" Go " align="center" /> </s:form> the createTree function creates a tree form with HTML checkbox input types. The action triggers a java function. How do i see which checkboxes are checked?

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How to customize JBoss AS7 404 page

- by user23308

I already created a custom 404 page inside my web app deployed in JBoss AS 7.1. So if my app is at fubar dot com :8080/Myapp and I go to fubar dot com :8080/Myapp/xyzzy, I get the custom error page (defined in the web app's web.xml file). However, when I go to fubar dot com :8080/xyzzy, JBoss displays the default 404 page which discloses that it's JBoss and which JBoss version. I need to replace this page in order to hide this information. Please advise.

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Menu MouseOver Image & Image Description Dsiplay from SQL Database

- by Julu

Hello, I don't know if this is the right place to post this but here I go. I'm working on a project as a student for my internship and I need help. I have a masterPage with horizontal menu items as shown in the attached screen-captured. What I want to achieved is: Have a default image and description from SQL server database When a user mouse-over the menu item, display an image from a SQL server database and it description based on the mouse-over menu item. When user mouse-out, display default image and description from sql database. I have a also created user interface for inserting images to the database. How do I go about displaying the image and its description based on menu item is my main issue. Here is the link to the screen-captured. http://tinyurl.com/y4p3p32 Thanks a million time

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Help with redirect and query strings

- by James

I'm a total novice at mod rewrite so I'll try and present my question as clearly as possible: I'm trying to create a url redirect of the following (static) affiliate url that can append it self to any product links after using a query string: affiliate url: hxxp://clk.affilite.com/fs-bin/click?id=aFb*BBBBBpQ&subid=&offerid=9999.2&type=5&tmpid=9999&RD_PARM1= product url: hxxp:// example.domain.com What I want to achieve is redirecting the affiliate code as below and being able to add dynamic product urls after as the following examples show: rewritten affiliate url: hxxp://domain.com/go affiliate url + product url: hxxp://domain.com/go?=http://example.domain.com redirects to: hxxp://clk.affilite.com/fs-bin/click?id=aFb*BBBBBpQ&subid=&offerid=9999.2&type=5&tmpid=9999&RD_PARM1=http://example.domain.com

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Starting an http request, but dropping out if no response after a certain time

- by nbv4

I'm trying to write a python script that does the following from within a minutely cronjob: tries to execute a url after 10 seconds if there is no response yet, abandon the response and immediately issue a command via os.system to restart the webserver. The problem is that when my server crashes, it doesn't return a response at all. If I were to just have my script time the response, the script will go on for 10 minutes or more. I want it to issue the restart immediately once it detects a slow response. I know such a script could be written in probably less than 5 mines of code, but I have no idea how to go about it.

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code in xmlhttp.readyState==4 doen't get executed

- by shazia

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Android service puts multiple instances of an activity in the history

- by HenryAdamsJr

I'm making a music player. When you press play, it loads a notification into the OnGoing section. When you go anywhere else in the system, I want the music to keep playing. All of this is fine. The problem is that when I relaunch my activity from the Notification, it adds a task to the history stack each time, so if I hit back, I have to see the instance of Activity B from where I pressed play, and from every time I clicked on the notification to go back to Activity B. I want the instance of Activity B that I launch from the notification (via the service) to be the only copy of that Activity in the history. I've been playing around with various Intent flags and Activity attributes in the manifest, but I haven't found the proper combination.

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How do I clear the text contents of a div in javascript?

- by Ben

I'm temporarily adding contents to a div,tempDiv, and adding that to a link which is appended to a div, #contentHere, that's displayed. I need to clear the contents of tempDiv so that the links aren't appended to each other, creating a string of urls that don't link to anywhere. $(document).ready(function(){ $.getJSON("data.php", function(data){ for(i = 0; i < 5; i++){ $("#tempDiv").append(data.justIn[i].dataLink+ ' '); $("#contentHere").append("<a href=\"#tempDiv\">Click to go to the div link</a>"); //I need to clear the contents of tempDiv here } }); }); Solutions to clearing the temporary contents of the div as I go?

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Using memcached/APC for session storage?

- by Industrial

Hi everybody, I had some thoughts back ago about using memcached for session storage, but came to the conclusion that it wouldn't be sufficient in the event of one or more of the servers in the memcached pool were about to go down. A hybrid version is to save the main database (mySQL) from load caused by reads would be to work out a function that tries to fetch the data from the cache pool, and if that fails gets it from the database. After putting some more thought into it, I started to think about using APC cache for session related data. If our web server would go down, sessions would be lost either way, so storing them in a local APC or a localhost memcached server maybe isn't that bad? What's your experiences?

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Trying to use the "Use Specific Printer" option in Access 2007

- by garynei

I am trying to set a report to use a specific printer. I go into design mode, click on the page setup ribbon, click the page setup bottun, go into the page tabt, click the option to choose a specific printer, and then click the printer button to choose the printer I want to use. I save the steps and exit out of the report, but it still goes back and prints from the default printer. Why? I had no problems with this feature in 2003, why am I having problems in 2007. Any suggestions on how to fix this problem would be greatly appreciated, thanks.

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problem with .htaccess and mod_rewrite

- by ian

My below .htaccess file should send everything to my index.php page where my framework [Fat Free Frameowkr] handles it. However if I go to http://www.site.com/ it works. If I go to http://www.site.com/about I get a 404 error. Any ideas? # Enable rewrite engine and route requests to framework RewriteEngine On RewriteBase / RewriteCond %{REQUEST_FILENAME} !-l RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule .* index.php [L,QSA] # Disable ETags Header Unset ETag FileETag none # Default expires header if none specified (stay in browser cache for 7 days) <IfModule mod_expires.c> ExpiresActive On ExpiresDefault A604800 </IfModule>

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- by shah

- by acidzombie24

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- by vtortola

- by Frank0051

- by user2266935

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