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• Is it more efficient (Performance) to store the CFC in application variables OR instance the CFC on the page call?

  - by Mitchell Guimont

  Hello, I'm working on a ColdFusion dynamic website. For this website, there are a lot of CFCs and a lot of functions within each CFC. Would it be more efficient to store an instance of the CFC in an application variable, then to instance each CFC separately on each page load. For each page, at most 2 separate CFCs get called. I'm also interested in how performance will be effected when requests increase (Stress). Thanks!

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• Dynamic editor upload into web page. Need advice

  - by Andrew Florko

  Hello everybody, I am writing intranet site for tracking employees science activities in organization. There lots of editable information on each personal page (science degree, publications & so on) so I upload editor per request (user clicks "edit" and modal dialog with html editor: set of textboxes/comboboxes/autocomplete features & validation logic appears). Editor is html layout that is wrapped with jquery dialog plugin + some logic, written as javascript functions that should be invoked from the callee page (onsubmit, validate, afterLoad editor events). There are also attributes (editor preferrable with and height) that are passed to callee page also. Currently I send these functions & attribute as ... function onsubmit() { }; function validate() { } var width = 640; var height = 800 ... code that is embedded into the request page. Function calls and editor markup wrap with jquery plugin completed in the callee page. It works, but I have some try { call editor event handler } catch { } stuff in callee page (because not every editor provides these functions) and some attributes (editor width & height for instance) that are loaded as variables declared in javascript. Please, suggest, is there a better approach to build & use custom editors for my situation. Thank you in advance!

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• PHP registration script: verifying and telling the user what went wrong

  - by Maxime

  Hi, I'm building a registration script and I want to insert the user's input (username, mail) ONLY if it's not already in the database. What I usually do in such cases is a request to see if something's already there, something like: "SELECT * FROM things WHERE thing_name = '$treated_user_input'". I have two fields that need to be unique this time though. Is there a way to do only one SELECT request and still be able to tell the user exactly what field went wrong? Or do I have to do one request per unique field? Thanks for your answers.

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• Creating custom html text boxes

  - by Caylem

  Hi guys Just wondering how you would go about creating the effect as seen in the following image: Image The part i'd like to attempt to recreate is the gradient within the text field itself along with the line border surrounding the text box. Thanks.

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• Javascript function getting called only on event!

  - by Abhishek

  Hi, I have a javascript function, I want it to be called programatically on init and later onClick event but its not getting called programatically but works ok with onClick. The example would be: function init() { a(); } init() is called on initialization which should call a() but thats not happening!

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• Android UnknownHost in asyncTask - loading web page

  - by Sneha

  I followed this tutorial for AsyncTask and getting the following error log: 03-23 11:44:42.936: WARN/System.err(315): java.net.UnknownHostException: www.google.co.in 03-23 11:44:42.936: WARN/System.err(315): at java.net.InetAddress.lookupHostByName(InetAddress.java:513) 03-23 11:44:42.936: WARN/System.err(315): at java.net.InetAddress.getAllByNameImpl(InetAddress.java:278) 03-23 11:44:42.936: WARN/System.err(315): at java.net.InetAddress.getAllByName(InetAddress.java:242) 03-23 11:44:42.936: WARN/System.err(315): at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:136) 03-23 11:44:42.936: WARN/System.err(315): at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164) 03-23 11:44:42.936: WARN/System.err(315): at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119) 03-23 11:44:42.936: WARN/System.err(315): at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:348) 03-23 11:44:42.936: WARN/System.err(315): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555) 03-23 11:44:42.936: WARN/System.err(315): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487) 03-23 11:44:42.944: WARN/System.err(315): at org.apache.http.impl.client.AbstractHttpC lient.execute(AbstractHttpClient.java:465) 03-23 11:44:42.944: WARN/System.err(315): at com.test.async.AsyncTaskExampleActivity$DownloadWebPageTask.doInBackground (AsyncTaskExampleActivity.java:36) 03-23 11:44:42.944: WARN/System.err(315): at com.test.async.AsyncTaskExampleActivity$DownloadWebPageTask.doInBackground (AsyncTaskExampleActivity.java:1) 03-23 11:44:42.944: WARN/System.err(315): at android.os.AsyncTask$2.call(AsyncTask.java:185) 03-23 11:44:42.944: WARN/System.err(315): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305) 03-23 11:44:42.944: WARN/System.err(315): at java.util.concurrent.FutureTask.run (FutureTask.java:137) 03-23 11:44:42.944: WARN/System.err(315): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1068) 03-23 11:44:42.944: WARN/System.err(315): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:561) 03-23 11:44:42.944: WARN/System.err(315): at java.lang.Thread.run(Thread.java:1096) How do i fix it?? My Code: public class AsyncTaskExampleActivity extends Activity { private TextView textView; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); textView = (TextView) findViewById(R.id.TextView01); } private class DownloadWebPageTask extends AsyncTask<String, Void, String> { @Override protected String doInBackground(String... urls) { String response = ""; Log.i("", "in doInBackgroundddddddddd.........."); Log.i("", "in readWebpageeeeeeeeeeeee"); /* * try { InetAddress i = * InetAddress.getByName("http://google.co.in"); } catch * (UnknownHostException e1) { e1.printStackTrace(); } */ for (String url : urls) { Log.i("", "in for looooooop doInBackgroundddddddddd.........."); DefaultHttpClient client = new DefaultHttpClient(); HttpGet httpGet = new HttpGet(url); try { Log .i("", "afetr for looooooop try doInBackgroundddddddddd.........."); HttpResponse execute = client.execute(httpGet); Log .i("", "afetr for looooooop try client ..execute doInBackgroundddddddddd.........."); InputStream content = execute.getEntity().getContent(); BufferedReader buffer = new BufferedReader( new InputStreamReader(content)); String s = ""; while ((s = buffer.readLine()) != null) { response += s; Log .i("", "afetr while looooooop try client ..execute doInBackgroundddddddddd.........."); } } catch (Exception e) { e.printStackTrace(); } } Log .i("", "afetr lasttttttttttttt b4 response doInBackgroundddddddddd.........."); return response; } @Override protected void onPostExecute(String result) { Log.i("", "in onPostExecuteeee.........."); textView.setText(result); } } public void readWebpage(View view) { /* * System.setProperty("http.proxyHost", "10.132.116.10"); * System.setProperty("http.proxyPort", "3128"); */ DownloadWebPageTask task = new DownloadWebPageTask(); task.execute(new String[] { "http://google.co.in" }); Log.i("", "in readWebpageeeeeeeeeeeee after execute.........."); } } main.xml: <Button android:id="@+id/readWebpage" android:layout_width="match_parent" android:layout_height="wrap_content" android:onClick="readWebpage" android:text="Load Webpage"> </Button> <TextView android:id="@+id/TextView01" android:layout_width="match_parent" android:layout_height="match_parent" android:text="Example Text"> </TextView> Manifest: <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.test.async" android:versionCode="1" android:versionName="1.0"> <uses-sdk android:minSdkVersion="8" /> <uses-permission android:name="android.permission.INTERNET"></uses-permission> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name=".AsyncTaskExampleActivity" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> Thanks Sneha

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• Using IAM for user authentication

  - by mdavis6890

  I've read lots and lots of posts that touch on what I think should be a very common use case - but without finding exactly what I want, or a simple reason why it can't be done. I have some files on S3. I want to be able to grant certain users access to certain files, via a front end that I build. So far, I've made it work this way: I built the front end in Django, using it's built-in Users and Groups I have a model for Buckets, in which I mirror my S3 buckets. I have a m2m relationship from groups to buckets representing the S3 permissions. The user logs in and authenticates against Django's users. I grab from Django the list of buckets that the user is allowed to see I use boto to grab a list of links to files from those buckets and display to user. This works, but isn't ideal, and also just doesn't feel right. I've got to keep a mirror of the buckets, and I also have to maintain my own list of user/passwords and permissions, when AWS already has all that built in. What I really want is to simply create the users in IAM and use group permissions in IAM to control access to the S3 buckets. No duplication of data or function. My app would request a UN/PW from the user and use that to connect to IAM/S3 to pull the list of buckets and files, then display links to the user. Simple. How can I, or why can't I? Am I looking at this the wrong way? What's the "right" way to address this (I assume) very common use case?

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• Where to find wsgen tool ?

  - by Java Guy

  Where to find the wsgen tool?

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• Applet JAR loading fails, since the http request doesn't include a basic auth header

  - by bowgene

  It's a farily simple setup. A .jar is hosted on a site which is protected by basic auth. I try to load the jar with an object tag - which works perfectly when tested without authentication. When the .jar is requested from the server, the basic auth header isn't included in the request. Why is this?

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• Java development in Ubuntu

  - by Veera

  I'm a newbie to Linux systems and recently I started using Ubuntu 10.04. When I do java development in Windows, I usually keep my project files under some drive (D: for example) and under my development folder, such as D:\projects\myproj. But I'm bit confused with Ubuntu's folder structure. So, I just want to know how do you organize your projects in Ubuntu? Under which folder do we keep our projects file?

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• What is a good approach to preloading data?

  - by Bob Horn

  Are there best practices out there for loading data into a database, to be used with a new installation of an application? For example, for application foo to run, it needs some basic data before it can even be started. I've used a couple options in the past: TSQL for every row that needs to be preloaded: IF NOT EXISTS (SELECT * FROM Master.Site WHERE Name = @SiteName) INSERT INTO [Master].[Site] ([EnterpriseID], [Name], [LastModifiedTime], [LastModifiedUser]) VALUES (@EnterpriseId, @SiteName, GETDATE(), @LastModifiedUser) Another option is a spreadsheet. Each tab represents a table, and data is entered into the spreadsheet as we realize we need it. Then, a program can read this spreadsheet and populate the DB. There are complicating factors, including the relationships between tables. So, it's not as simple as loading tables by themselves. For example, if we create Security.Member rows, then we want to add those members to Security.Role, we need a way of maintaining that relationship. Another factor is that not all databases will be missing this data. Some locations will already have most of the data, and others (that may be new locations around the world), will start from scratch. Any ideas are appreciated.

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• Host WCF in MVC2 Site

  - by Basiclife

  Hi, We've got a very large, complex MVC2 website. We want to add an API for some internal tools and decided to use WCF. Ideally, we want MVC itself to host the WCF service. Reasons include: Although there's multiple tiers to the application, some functionality we'd like in the API requires the website itself (e.g. formatting emails). We use TFS to auto-build (continuous integration) and deploy - The less we need to modify the build and release mechanism the better We use the Unity container and Inversion of Control throughout the application. Being part of the Website would allow us to re-use configuration classes and other helper methods. I've written a custom ServiceBehavior which in turn has a custom InstanceProvider - This allows me to instantiate and configure a container which is then used to service all requests for class instances from WCF. So my question is; Is it possible to host a WCF service from within MVC itself? I've only had experience in Services / Standard Asp.Net websites before and didn't realise MVC2 might be different until I actually tried to wire it into the config and nothing happened. After some googling, there don't seem to be many references to doing this - so thought I'd ask here.

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• capturing click events on web-browser scrollbars

  - by The Code Pimp

  Hi, is it possible to capture a click event on a scrollbar? I have some code where i am observing the click and mousedown events on the document. However, it seems that when I click on the scrollbar, the event is not captured. This leads me to believe that the scrollbars aren't really part of the document. (Assumption :-)) Is this a correct assumption? What is the right way to do this so that the behaviour is consistent across all major browsers? sample code document.observe('click', function(evt){ //do something //blah blah blah }); Thanks

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• Things in .NET Framework 4 that every programmer should know

  - by Faruz

  I recently moved to Visual Studio 2010 and upgraded my website to work with .NET Framework 4. (From VS 2008 - Framework 3.5) What are things I need to know to improve site speed, readability or memory use? For example, I found out that when I use AJAX ScriptManager, one of it's new properties is EnableCDN which enables me to load AJAX .js files from Microsoft CDN.

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• How to implement something like PHP's http_build_query and the reverse in javascript?

  - by wamp

  <?php $data = array('foo'=>'bar', 'baz'=>'boom', 'cow'=>'milk', 'php'=>'hypertext processor'); echo http_build_query($data); /* Output: foo=bar&baz=boom&cow=milk&php=hypertext+processor */ How to do similar thing in javascript,say, get the query string from the array ,and convert the array to query string?

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• PHP Include and accents (They show up as ?)

  - by user146780

  I'm using PHP include to include a PHP file that has HTML in it. some of the content has french accents and these show up as ? on the site. How can this be solved? Thanks Here is the PHP file I include: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html dir="ltr" xmlns="http://www.w3.org/1999/xhtml"> <head> <meta content="en-us" http-equiv="Content-Language" /> <title>Accueil</title> <meta content="text/html; charset=utf-8" http-equiv="Content-Type" /> <meta content="Changement créativité rêve buts être centré Plénitude personnel Développement transformation Modification nouveauté avancement bien-être Nouvelle vision ressentis L’énergie positive satisfaction l’acceptation Pardon" name="keywords" /> <link href="masterstyles.css" rel="stylesheet" type="text/css" /> <link href="menustyles.css" rel="stylesheet" type="text/css" /> <link href="menudropdown.css" rel="stylesheet" type="text/css" /> <td class="tbsyles" >&nbsp; <h3 class="bigorange"> ACTIVITÉS À VENIR…</h3> <p class="horizblue"> </p> <p class="bigblack"> <br /> Inscrivez-vous à nos conférences et formations <br /> <br /> </p> <h4 class="orange"> Example of some text that could be here<br /> </h4> <p class="horizblue"> &nbsp;</p> <h3 class="bigorange"> <br /> ABONNEZ-VOUS… </h3> <p class="nopadding"> À notre liste d’envoi </p> <form method="post" action="<?php echo $PHP_SELF;?>"> <?PHP function process_info(){ if(isset($_POST['email'])) { $email=$_POST["email"]; $email=strtolower($email); $action = "subc"; // check if email exists // check whether email is correct (basic checking) $test1=strpos($email, "@"); //value must be >1 $test2=strpos(substr($email,strpos($email,"@")), "."); //value must be >1 $test3=strlen($email); //value must be >6 $test4=substr_count ($email,"@"); //value must be 1 if ($test1<2 or $test2<2 or $test3<7 or $test4!=1) { print "<h6>Il a une erreur avec vôtre email</h6>"; print "<h6>Aucune informations ont été envoyer</h6>"; } else { print "<h5>vôtre address est enregistrer, Merci </h5>"; //If they wanted to subsribe, do it... $file = "emaillist-666XXX.txt"; // lets try to get the content of the file if (file_exists($file)){ // If the file is already in the server, its content is pasted to variable $file_content $file_content=file_get_contents($file); } else{ // If the file does not exists, lets try to create it // In case file can not be created (probably due to problems with directory permissions), // the users is informed (the first user will be the webmaster, who must solve the problem). $cf = fopen($file, "w") or die(""); fclose($cf); } // IF REQUEST HAS BEEN TO SUBSCRIBE FROM MAILING LIST, ADD EMAIL TO THE FILE if ($action=="subc"){ // check whether the email is already registered if(strpos($file_content,"<$email>")>0){die("");} // write the email to the list (append it to the file) $cf = fopen($file, "a"); fputs($cf, "\n$email"); // new email is written to the file in a new line fclose($cf); } } } } process_info(); ?> &nbsp;<p class="nopadding">Votre Courriel</p> <input name="email" type="text" class="style3" /> <input name="Submit" type="submit" value="OK" /></form> <p class="horizblue"></p> <h3 class="bigorange"> <br /> OUTILS GRATUIT… </h3> <p class="nopadding">Amusez-vous avec des outils intéressants</p> </td>

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• jKey (JavaScript key shortcut plugin) Issue

  - by Oscar Godson

  Me and a friend are writing a plugin for jQuery that makes it easy for devs to add key shortcuts and we're damn close but no cigar. We're having issues with the key combos. It seems like we are having issues when you call the same selector multiple times on a page. Try pressing alt+a... youll see it works one time, then gets all mangled up. Anyone know how to fix it? It'll be on github after it's corrected and I'd be happy to add "thank you to" link to whoever can fix this in the header with the copyright info :) It's nicely documented and i have all the code and stuff here. So... anyone? http://jsbin.com/azaha4

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• Flipping around a div using Javascript

  - by Isaac Copper

  Flip is a great JQuery plugin for flipping blocks, but it doesn't preserve the background while it animates the flip. For example, I have this pretty background, here, before I flip. While flipping, it gets ugly: here. Is there a way I can flip this div nicely, keeping the pretty background I have, and maybe even achieve a smoother animation than I can get with Flip? If I need to dive into this headfirst and code my own function for flipping a div, that's also doable, and I'd really appreciate some pointer there, if that's what I must do. Thanks so much!

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• What is the recomended setup for a small .net/php development shop?

  - by JaSk

  First of all I don't know if it this question belongs here if not please tell me. I've recently evolved from freelancer to a small .net/php development shop and we're trying to figure out what the best tools for team development will be (code repository, continuos integration server, automated testing, etc.). Do you have some recommendations, preferible open source or low cost since we are starting out. (We already have visual studio for all the team members). Thanks

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• Html encoding in MVC input

  - by fearofawhackplanet

  I'm working through NerdDinner and I'm a bit confused about the following section... First they've added a form for creating a new dinner, with a bunch of textboxes delcared like: <%= Html.TextArea("Description") %> They then show two ways of binding form input to the model: [AcceptVerbs(HttpVerbs.Post)] public ActionResult Create() { Dinner dinner = new Dinner(); UpdateModel(dinner); ... } or: [AcceptVerbs(HttpVerbs.Post)] public ActionResult Create(Dinner dinner) { ... } Ok, great, that all looks really easy so far. Then a bit later on they say: It is important to always be paranoid about security when accepting any user input, and this is also true when binding objects to form input. You should be careful to always HTML encode any user-entered values to avoid HTML and JavaScript injection attacks Huh? MVC is managing the data binding for us. Where/how are you supposed to do the HTML encoding?

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• Is it possible to run a php soap api operation in a web browser

  - by user294873

  In axis2 on Java it's possible to run operations in the browser by the way you send the url for example localhost:8080/axis2/services/SimpleService?wsdl could have operations implemented by writing urls like so localhost:8080/axis2/services/SimpleService/hello?param0=xxx My Question is can you do the same in PHP5 SoapServer where the url is as below? localhost/soaptest/index.php?wsdl Thanks

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• Issues in Ajax based applications

  - by Sinuhe

  I'm very interested in developing Ajax based applications. This is, loading almost all of the content of the application via XMLHttpRequest, instead of only some combos and widgets. But if I try to do this form scratch, soon I find some problems without an easy solution. I wonder if there is some framework (both client and server side) to deal with this issues. As far as I know, there isn't (but I've searched mainly in Java world). So I am seriously thinking of doing my own framework, at least for my projects. Therefore, in this question I ask for several things. First, the possible problems of an ajax based development. Then, I'm looking for some framework or utility in order to deal with them. Finally, if there is no framework available, what features must it have. Here are the issues I thought: 1 - JavaScript must be enabled. Security paranoia isn't the only problem: a lot of mobile devices couldn't use the application, too. 2 - Sometimes you need to update more than one DIV (e.g. main content, menu and breadcrumbs). 3 - Unknown response type: when you make an Ajax call, you set the callback function too, usually specifying if expected response is a javascript object or in which DIV put the result. But this fails when you get another type of response: for example when the session has expired and the user must log in again. 4 - Browser's refresh, back and forward buttons can be a real pain. User will expect different behaviors depending on the situation. 5 - When search engines indexes a site, only follow links. Thus, content load by Ajax won't "exist" for who doesn't know about it yet. 6 - Users can ask for open a link in a different window/tab. 7 - Address bar doesn't show the "real" page you are in. So, you can't copy the location and send it to a friend or bookmark the page. 8 - If you want to monetize the site, you can put some advertisings. As you don't refresh entire page and you want to change the ad after some time, you have to refresh only the DIV where the ad is. But this can violate the Terms and Conditions of your ad service. In fact, it can go against AdSense TOS. 9 - When you refresh an entire page, all JavaScript gets "cleaned". But in Ajax calls, all JavaScript objects will remain. 10 - You can't easily change your CSS properties.

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• What should "Solution Architecture" document describe ?

  - by anjanb

  We're going to build a Solution which includes acquiring data through mobile phones(J2ME) and laptops(browser based data acquisition), uploading the same data to back-end servers(built with J2EE) and then analyzing the same data including generating various types of reports. This solution will include a CMS for building the website and various interfaces for various types of users. I'm to do a "Solutions Architecture" document for the same. What should that document consist of ? Are there any templates (WORD, .ODT, .PDF) ? Any inputs appreciated. Thank you so much,

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• Good workflow for website design

  - by Olav

  I would like some idea about a good workflow for Website Design, with a high degree of "offshoring" (Elance, Odesk etc.). I would to do as much as possible "pre production", with client input, ideas etc. stored in IA diagrams, wireframe mockups etc. in something like a Wiki. Also a like the idea about having different people come up with different design proposals. Wouldlike to have some ideas of costs of different phases and tasks ($, %, hours). With Design I mean roughly the aspects of a site that can be done with client-side tools, especially XHTML and CSS. What other tools should I use than IA diagrams.

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• [JavaScript] How can I load static configuration information

  - by Goro

  In my code, I use JavaScript for UI and PHP for back end. I also use PHP to store application settings and sometimes my UI code needs to access this information. My configuration file looks something like this (config.php): $resolution_x = 1920; $resolution_y = 1080; etc... When I need to access any of these settings form JavaScript, i simply use to substitute the value directly, but it just doesn't strike me as very robust. Are they any dangers of doing this that I am not aware of? Is there a better way of doing this? Thank you,

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