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• iPhone offline reading

  - by Andy

  Hi, first of all - I am quite new to iPhone App development (3 months). I am working for a software company that offers a content management system. Our customers are for the main part publishing houses for magazines. They use our software to write articles to their homepages. Now we want to offer iPhone Applications to go with our cms. What I have accomplished so far is an RSS reader that shows newly published articles in a list view. The user selects one article and is redirected to a specially formatted detail view of this article. The next step is to add offline reading capabilities. I have searched the internet up and down but couldn't find anything like a best practice for that. I get it that there are two possibilities in general: Store the contents of the uiwebview locally on the iPhone/iPad (including css, images, js and so on). There would be the need to rework the basic html to use the downloaded css, images and js. Also I would have to somehow edit hyperlinks to following pages in multipage articles - Sounds like a lot of work ;) Create a PDF on the server side and download that to the mobile device. Rework the RSS Source to point to the locally saved pdf instead of the website on the server. My question is - what is the better way to go? Are there any downsides for either of the possibilities? Are there other (simple ;)) ways to implement offline reading features? Are there possibly any howto's that I could've missed? Thanks y'all!

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• Are web-safe colors still relevant?

  - by Gavin Miller

  Since the vast majority of monitors are 16-bit color or more, including mobile devices, does it make sense to even consider web-safe colors when choosing color schemes? Or is it something that ought to be relegated to history as a piece of trivia? For those of you that don't know what web-safe colors are: Another set of 216 color values is commonly considered to be the "web-safe" color palette, developed at a time when many computer displays were only capable of displaying 256 colors. A set of colors was needed that could be shown without dithering on 256-color displays; the number 216 was chosen partly because computer operating systems customarily reserved sixteen to twenty colors for their own use; it was also selected because it allows exactly six shades each of red, green, and blue (6 × 6 × 6 = 216). The list of colors is often presented as if it has special properties that render them immune to dithering. In fact, on 256-color displays applications can set a palette of any selection of colors that they choose, dithering the rest. These colors were chosen specifically because they matched the palettes selected by the then leading browser applications. [Wikipedia]

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• How can I call from my PC through my cisco ip phone?

  - by Enjoy coding

  Hi gurus, I am trying to call a telephone number fro my PC through my ip phone once my application completes its work. So I am searching for a way to access my ip phone from my PC. Please correct me if I am wrong or missing the obvious. On my PC in office selecting a phone in Microsoft office communicator and making calls from PC through my Cisco IP Phone is disabled. Is there any way i can programmatically call a external phone or mobile number from my PC as my ip phone is connected to my PC. I tried out etQuickDial and Make/Drop calls. But I am not able to find the appropriate way or setup to make calls. I also googled for any libraries and i saw some TAPI but was not able to get correct way. Please help me out with this. My cisco ip phone is 7940. My environment is Windows XP. Please let me know if you need more details. No problems with me even if you propose a solution involving coding or a non coding way of downloading and installing any applications. Thanks in advance. If you dont want me to post it here and If I need to put it in super user or server fault or some where else please direct me appropriately. I did not use any of these two before so I posted this question here.

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• What advice would you give a high-schooler interested in tech?

  - by user291991

  (This was originally sent to a group of people I have worked with and trust and it was suggested that I post this here. I've been a software developer, architect, manager, vp, tester, trainer, tech writer, etc., and my presentation is primarily about Android & other mobile application development.) Next week I'm going to be giving a presentation to 3 groups of high schoolers interested in technology and technology careers. One of the things I've been asked to include is any advice that I think would be valuable for them. If you are willing to share, I would like to hear what advice you would give based on your life experiences and observations. What would you be looking for if they approached you about work? Perhaps you are in that age group right now. What do you want to know? Perhaps you are just a few years into the workforce. What do you wish someone had told you but never did? Perhaps you have children, relatives or friends in or soon to be in that age group. What are you worried they don't know about? I'm sure there are other perspectives and questions I'm not even thinking about. I'd like to hear what you have to say about it.

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• How to Implement the ImageAdapter for this listView Code?

  - by iDroid Explorer

  Code of Lost View is like: public final static String ITEM_TITLE = "title"; public final static String ITEM_CAPTION = "caption"; public Resources resources; public static Uri path; public static File file; public static ProgressDialog m_progressDialog; public static ListView list; @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.main); // create our list and custom adapter SeparatedListAdapter adapter = new SeparatedListAdapter(this); adapter.addSection("Local documents:", new ArrayAdapter<String>(this, R.layout.list_item, new String[] { "WindowsONE Mobile PK", "WindowsorONE Moldings","Filet for a burger video" })); adapter.addSection("Non-local resources:", new ArrayAdapter<String>(this, R.layout.list_item, new String[] { "Launch Photo slideshow link", "Dealer locator link" })); adapter.addSection("Send emails:", new ArrayAdapter<String>(this, R.layout.list_item, new String[] { "Send Dealer Locator email", "Send Catalog email","Send install instrucation link" })); //For extra Information in Listview //adapter.addSection("Non-local resources:", new SimpleAdapter(this, security, R.layout.list_complex, //new String[] { ITEM_TITLE, ITEM_CAPTION }, new int[] { R.id.list_complex_title, R.id.list_complex_caption })); list = getListView(); list.setAdapter(adapter); list.setTextFilterEnabled(true); list.setOnItemClickListener(this); } }

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• How to import data to SAP

  - by Mehmet AVSAR

  Hi, As a complete stranger in town of SAP, I want to transfer my own application's (mobile salesforce automation) data to SAP. My application has records of customers, stocks, inventory, invoices (and waybills), cheques, payments, collections, stock transfer data etc. I have an additional database which holds matchings of records. ie. A customer with ID 345 in my application has key 120-035-0223 in SAP. Every record, for sure, has to know it's counterpart, including parameters. After searching Google and SAP help site for a day, I covered that it's going to be a bit more pain than I expected. Especially SAP site does not give even a clue on it. Say I couldn't find. We transferred our data to some other ERP systems, some of which wanted XML files, some other exposed their APIs. My point is, is Sql Server's SSIS an option for me? I hope it is, so I can fight on my own territory. Since client requests would vary a lot, I count flexibility as most important criteria. Also, I want to transfer as much data as I could. Any help is appreciated. Regards,

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• send Image from J2ME to SERVLET

  - by Akash

  Hi, I want to send Image from J2ME to SERVLET. I am able to convert image into Byte Array, and send by Http POST. I have coded as : - From Mobile : conn = (HttpConnection)Connector.open(url,Connector.READ_WRITE,true); conn.setRequestMethod(HttpConnection.POST); conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); os.write(bytes, 0, bytes.length);//bytes = byte array of image At servlet : String line; BufferedReader r1 = new BufferedReader(new InputStreamReader(in)); while ((line = r1.readLine()) != null) { System.out.println("line=" + line); buf.append(line); } String s = buf.toString(); byte[] img_byte = s.getBytes(); Now d problem I found is, when I send Bytes from Mob App, some bytes are LOST , whose value is 0A and 0D-Hex ... Exactly, Cr- Carriage Return & Lf- Line Feed... It means, POST method OR readLine() not able to accept 0A & 0D value... And so I come to know that, LOST bytes are 0A and 0D occurrence in image's byte array.... Any one have any idea, how to do this, or how to use any another method..... Thanks -Akash

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• Unable to download .apk via webbrowser from drupal site

  - by ggrell

  I have a drupal-based website where people can log in and see private discussion forums. This is where I want to have my beta testers for my Android application download the beta .apk files. I tested this thoroughly on my Android 1.6 based myTouch 3G, and was able to log in, and download files attached to forum posts without problems. Now comes the interesting part: my testers on Droids and Nexus Ones (Android 2.0.1 and 2.1) were complaining that their downloads are failing. Since I don't have an 2.0 phone, I tried it out in a 2.0 emulator, and lo-and-behold, it didn't work. The download shows the indeterminate progress for a second or two, then shows "Download unsuccessful". Based on what I see in the logs, it is apparent that the server is returning a 404 for the download request from 2.0 browsers. I can download to my desktop and 1.6 phone no problem. The only reason I can think of that the server would return a 404 for a request is that for some reason the credentials or cookies aren't being passed by the download process. Logcat shows: http error 404 for download x Some background: I added the mime type to my .htaccess like this: AddType application/vnd.android.package-archive apk I checked the server logs and see the following for failed downloads: xx.xx.xx.224 - - [28/Jan/2010:20:39:00 -0500] "GET /system/files/grandmajong-beta090.apk HTTP/1.1" 404 - "http://trickybits.com/forums/beta-testing/grandma-jong/latest-version-090-b1" "Mozilla/5.0 (Linux; U; Android 1.6; en-us; sdk Build/Donut) AppleWebKit/528.5+ (KHTML, like Gecko) Version/3.1.2 Mobile Safari/525.20.1"

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• How can I connect to server using SSL(secure socket layer) on .NET Compact Framework

  - by net

  Hello. I want to change .NET framework v3.5 to .NET compact framework v3.5. But I can't change SSL Stream class to compact framework version. For resolving this problem, I already read some article and msdn library. http://blogs.msdn.com/cgarcia/archive/2009/08/21/enable-ssl-for-managed-socket-on-windows-mobile.aspx http://blogs.msdn.com/cgarcia/archive/2009/08/22/getting-a-managed-socket-to-talk-ssl.aspx http://msdn.microsoft.com/en-us/library/aa916117.aspx but I got an error that is "Unkown error 0x0ffffff", when invoking 'socket.connect(endPoint)' method based on thease article. In order to find the proper method, I try to use TcpClient class. but i can't solve this problem. When I try to connect to server on .NET compact framework, TcpClient class didn't work(Smart Device project and windows ce). As you can see below, I've got the error. In other hand, this code is work on .NET framework(C# console project). I can't understand why this socket can not access to server. Thanks for reading my question.

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• How do people know so much about programming?

  - by Luciano

  I see people in this forums with a lot of points, so I assume they know about a lot of different programming stuff. When I was young I knew about basic (commodore) and the turbo pascal (pc). Then in college I learnt about C, memory management, x86 set, loop invariants, graphs, db query optimization, oop, functional, lambda calculus, prolog, concurrency, polymorphism, newton method, simplex, backtracking, dynamic programming, heuristics, np completeness, LR, LALR, neural networks, static & dynamic typing, turing, godel, and more in between. Then in industry I started with Java several years ago and learnt about it, and its variety of frameworks, and also design patterns, architecture patterns, web development, server development, mobile development, tdd, bdd, uml, use cases, bug trackers, process management, people management if you are a tech lead, profiling, security concerns, etc. I started to forget what I learnt in college... And then there is the stuff I don't know yet, like python, .net, perl, JVM stuff like groovy or scala.. Of course Google is a must for rapid documentation access to know if a problem has been solved already and how, and to keep informed about new stuff by blogs and places like this one. It's just too much or I just have a bad memory.. how do you guys manage it?

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• Ability to draw and record a signature as part of a form - iphone

  - by mustic

  Apolgies in advance for any errors.. new to this and am not a developer/programmer.. just have some basic unix experience. I have searched the web and struggled to find a solution to my problem when I stumbled onto this website which maybe suggested that there is a solution to my question. For work i use a windows mobile device because we have to get customers to sign and form after a customer visit. the signature being very important. On the windows device i use the notes application and am able to record details and obtain/record (using draw) a customer signature. the form is then emailed back to HQ. The format being used is a *.pwi I have downloaded and paid for several applications for my iphone which is my preferred device and cant quite find anything that does both. the critical bit here is to be able to take a signature on the phone, save the doc in a format such as .txt, .doc or .pdf where i can control the file name then be able to email back to HQ. Am i asking too much? I hope that makes sense.. Any help would be much appreciated many thanks in advance

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• C++ .NET DLL vs C# Managed Code ? (File Encrypting AES-128+XTS)

  - by Ranhiru

  I need to create a Windows Mobile Application (WinMo 6.x - C#) which is used to encrypt/decrypt files. However it is my duty to write the encryption algorithm which is AES-128 along with XTS as the mode of operation. RijndaelManaged just doesn't cut it :( Very much slower than DES and 3DES CryptoServiceProviders :O I know it all depends on how good I am at writing the algorithm in the most efficient way. (And yes I my self have to write it from scratch but i can take a look @ other implementations) Nevertheless, does writing a C++ .NET DLL to create the encryption/decryption algorithm + all the file handling and using it from C# have a significant performance advantage OVER writing the encryption algorithm + file handling in completely managed C# code? If I use C++ .NET to create the encryption algorithm, should I use MFC Smart Device DLL or ATL? What is the difference and is there any impact on which one I choose? And can i just add a reference to the C++ DLL from C# or should I use P/Invoke? I am fairly competent with C# than C++ but performance plays a major role as I have convinced my lecturers that AES is a very efficient cryptographic algorithm for resource constrained devices. Thanx a bunch :)

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• OsmDroid show blank screen with blocks

  - by Lennie

  Am trying to use OsmDroid with MapQuest maps downloaded from Mobile Atlas Creator. I followed all the instructions to generate the map tiles, upload them to the SDcard etc but when I run this on the device I get a screen with a bunch of empty boxes... What am I doing wrong? > @Override > public void onCreate(Bundle savedInstanceState) { > super.onCreate(savedInstanceState); > setContentView(R.layout.osm_map); > mapView = (MapView) findViewById(R.id.mapview); > mapView.setTileSource(TileSourceFactory.MAPQUESTOSM); > mapView.setBuiltInZoomControls(true); > mapView.setUseDataConnection(false); > mapController = mapView.getController(); > mapController.setZoom(15); > } > protected boolean isRouteDisplayed() { > // TODO Auto-generated method stub > return false; > }

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• Setup.exe files downloading without cab files over poor connections

  - by Colin

  We have customers who are trying to download a setup.exe file over mobile connections that appear to be very slow. They have reported that when they click on the downloaded setup.exe, the install wizard starts up, but part way through the wizard they get an error message indicating that a cab file is corrupt or missing. They couriered a problem tablet to us, and we downloaded the file without a problem but I could replicate the problem by using https to download the file (https is normally used to access the rest of the site, although it is not necessary for the download). When I did this the downloaded file was 2.8MB. It should be 8MB. I don't think that https is the root cause of the problem because I can see the download link in the browser history using http, so I know the customer tried to download using http. I think that the issue is that the poor connection is preventing a complete download, but the browser is acting as if it is complete. Is there a way to ensure the file is downloaded fully, or not at all? Why does the browser not indicate that the download is incomplete?

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• Accessing the selected element inside a templated textblock bound to a wpf listbox

  - by black sensei

  Hello good people , i'm trying to achieve a functionality but i'm don't know how to start it. I'm using vs 2008 sp1 and i'm consuming a webservice which returns a collection (is contactInfo[]) that i bind to a ListBox with little datatemplate on it. <ListBox Margin="-146,-124,-143,-118.808" Name="contactListBox" MaxHeight="240" MaxWidth="300" MinHeight="240" MinWidth="300"> <ListBox.ItemTemplate> <DataTemplate> <TextBlock> <CheckBox Name="contactsCheck" Uid="{Binding fullName}" Checked="contacts_Checked" /><Label Content="{Binding fullName}" FontSize="15" FontWeight="Bold"/> <LineBreak/> <Label Content="{Binding mobile}" FontSize="10" FontStyle="Italic" Foreground="DimGray" /> <Label Content="{Binding email}" FontStyle="Italic" FontSize="10" Foreground="DimGray"/> </TextBlock> </DataTemplate> </ListBox.ItemTemplate> </ListBox> Every works fine so far. so When a checkbox is checked i'll like to access the information of the labels (either the) belonging to the same row or attached to it and append the information to a global variable for example (for each checkbox checked). My problem right now is that i don't know how to do that. Can any one shed some light on how to do that? if you notice Checked="contacts_Checked" that's where i planned to perform the operations. thanks for reading and helping out

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• Data in J2ME RecordStore does not persist across sessions

  - by Botond Balázs

  I'm building a mobile app with J2ME, and I've found that the data I write into a RecordStore can be accessed while the program is still running but it is lost after quitting and restarting it. No exception is thrown, the data is simply lost. UPDATE: Thanks everyone for your suggestions. I'm using NetBeans on Windows 7. I'm not sure if it is using the WTK version I have previously installed or another one it has installed somewhere else. I've checked my WTK folder for the files Pavel wrote about, but couldn't find them. Now I'm testing the features requiring persistence on my phone and everything else in the emulator, but it would of course be much better to be able to test everything in the emulator. private RecordStore recordStore = null; public MyMIDlet() { readStuff(); // output: nothing found in recordStore :( saveStuff(); readStuff(); // output: stuff } private void readStuff() { try { recordStore = RecordStore.openRecordStore(REC_STORE, true); int n = recordStore.getNumRecords(); String stuff; if (n == 0) { stuff = "nothing found in recordStore :("; } else { stuff = new String(recordStore.getRecord(1)); } System.out.println(stuff); } catch (Exception e) { System.out.println("Exception occured in readStuff: " + e.getMessage()); } finally { if (recordStore != null) { try { recordStore.closeRecordStore(); } catch (Exception e) { // ignore } } } } private void saveStuff() { try { recordStore = RecordStore.openRecordStore(REC_STORE, true); int n = recordStore.getNumRecords(); byte[] stuff = "stuff".getBytes(); recordStore.addRecord(stuff, 0, stuff.length); } catch (Exception e) { System.out.println("Exception occured in saveStuff: " + e.getMessage()); } finally { if (recordStore != null) { try { recordStore.closeRecordStore(); } catch (Exception e) { // ignore } } } }

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• Get Eclipse to recognize the maps api

  - by NickTFried

  Hi I'm developing an Android app and trying to incorporate maps into one of my sub-activities. Having followed all of the instructions from Android, my java file will not recognize the "MapActivity" or the import statements to include the needed api. Here is my XML manifest and my class file. <?xml version="1.0" encoding="utf-8"?> <uses-permission android:name="android.permissions.INTERNET"/> <uses-permission android:name="android.permissions.ACCESS_FINE_LOCATION"/> <application android:icon="@drawable/icon" android:label="@string/app_name"> <uses-library android:name="com.google.android.maps" /> <activity android:name=".CadetCommand" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name="RedLight"></activity> <activity android:name="PTCalculator"></activity> </application> <uses-sdk android:minSdkVersion="7"/> here is my java file: package edu.elon.cs.mobile; import com.google.android.maps.MapActivity; import com.google.android.maps.MapView; import android.os.Bundle; public class LandNav extends MapActivity{ } Any suggestion would help.

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• Can I use Data URLs in Android 2.1's Webkit-based browser?

  - by Sven Haiges

  Hi all, I am writing a tutorial about the HTML5 Canvas for mobile and did some basic tests. While I can call the getDataURL() Method on an iPhone's HTML5 Canvas Element, it does not seem to return the data URL on Android 2.1 (Google Nexus One) and it's webkit-based default browser. Here is the sample: var dataURL = canvas.toDataURL(); var img = document.createElement('img'); img.setAttribute('src', dataURL); document.getElementById('box').appendChild(img); This will work on iPhone, it will add a new image element with the same content as the canvas. It does nothing or fails on Android 2.1. Has anyone ever gotten this to work? I am also wondering if anyone could help me with understanding the WebKit Build numbers and what it means with regards to what features I can expect. For the iphone, I see a build number of 528.18, on Android 2.1's Browser I see (from the user agent strign) a WebKit build 530.17. So it looks Android 2.1's webkit browser is more up to date, still some features work on iPhone's webkit but not on Android. Does this comparison just make no sense? Thanx all!

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• how to set data into textfeild

  - by shishir.bobby

  hi all i have a table view containing some text. and an selecting a row, i hv to set text on another view's textfeild based on the selected index of row od table view. this is hoe it looks like -(void)tableView:(UITableView *)tableView accessoryButtonTappedForRowWithIndexPath:(NSIndexPath *)indexPath { abc *abcController = [ [ abcController alloc] initWithNibName:@"abcController" bundle:[NSBundle mainBundle]]; [self.navigationController abcController animated:YES]; coffeeObj = [appdelegate.coffeeArray objectAtIndex:indexPath.row]; abcController.sender.text =[NSString stringWithFormat:@" to %@", coffeeObj.to]; abcController.mobileNumber.text = [NSString stringWithFormat:@" from %@", coffeeObj.from]; [abcController release]; } and this is how my textfeilds looks like, which is in table view if(indexPath.row == 0) textField.keyboardType = UIKeyboardTypeDefault; else textField.keyboardType = UIKeyboardTypePhonePad; textField.autocorrectionType = UITextAutocorrectionTypeNo; [cell.contentView addSubview:textField]; if(indexPath.row == 0) { self.sender = textField; cell.textLabel.text = NSLocalizedString(@"From :", @" "); NSLog(@"sender: %@", self.sender.text); } else { self.mobileNumber = textField; cell.textLabel.text = NSLocalizedString(@"To :" ,@" "); NSLog(@"mobile Number: %@", self.mobileNumber.text); } [textField release]; my problem is i am not abel to set text in these textfeilds from previous view..... plz let me knw where i am wrong..... w8ing for a quick reply.. regards shishir

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• Dashcode code translation

  - by Alex Mcp

  Hi, a quick, probably easy question whose answer is probably "best practice" I'm following a tutorial for a custom-template mobile Safari webapp, and to change views around this code is used: function btnSave_ClickHandler(event) { var views = document.getElementById('stackLayout'); var front = document.getElementById('mainScreen'); if (views && views.object && front) { views.object.setCurrentView(front, true); } } My question is just about the if conditional statement. What is this triplet saying, and why do each of those things need to be verified before the view can be changed? Does views.object just test to see if the views variable responds to the object method? Why is this important? EDIT - This is/was the main point of this question, and it regards not Javascript as a language and how if loops work, but rather WHY these 3 things specifically need to be checked: Under what scenarios might views and front not exist? I don't typically write my code so redundantly. If the name of my MySQL table isn't changing, I'll just say UPDATE 'mytable' WHERE... instead of the much more verbose (and in my view, redundant) $mytable = "TheSQLTableName"; if ($mytable == an actual table && $mytable exists && entries can be updated){ UPDATE $mytable; } Whereas if the table's name (or in the JS example, the view's names) ARE NOT "hard coded" but are instead a user input or otherwise mutable, I might right my code as the DashCode example has it. So tell me, can these values "go wrong" anyhow? Thanks!

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• Websql to google maps markers

  - by Roy van Neden

  I am busy with my web application for a school project. It has has two pages. The first page uploads the location(latitude and longitude), price, date and kind of fuel. It works and i saved it with websql.(see screenshot) Now i want to get everything out of the web database and put it as a marker on my google maps card. I have my own location already. But i dont know how to get everything from the database to the map as a marker. I'm using jquery mobile/html5/css/javascript only. Code to put it in a array or something else that will work. db.transaction(function(tx){ tx.executeSql('SELECT brandstofsoort, literprijs, datum, latitude, longitude FROM brandstofstatus', [], function (tx, results) { var lengte = results.rows.length, i; for(var i = 0; i< lengte; i++){ var locations = [ [ ], [ ], [ ], [ ], [ ] ]; } // / for loop });// /tx.executeSql });// /db.transaction Thanks in advance!

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• .NET CF -- Set Form height based on InputPanel state

  - by user354941

  Hi, So, I've got a C# project for Windows Mobile phones and I'm trying to work with the InputPanel. Specifically, I've got one form with a stack of Labels and TextBoxes that collect user input. I have an InputPanel that alerts me when the user opens the SIP. Everything works fine so far. When I get messages that the SIP status has changed, I want to change the height of the Form, which doesn't seem possible. Here's my event handler for my InputPanel: void m_InputPanel_EnabledChanged(object sender, EventArgs e) { // :( this assignment operation doesn't work and it doesn't this.ClientSize = inputPanel1.VisibleDesktop.Size; // doesn't work this.Size = inputPanel1.VisibleDesktop.Size; // assignment operation works, but isn't very useful this.visibleHeight = inputPanel1.VisibleDesktop.Height; this.InitializeUI(); } When I say that the assignment operation doesn't work, I mean that the values don't change in the debugger. I can understand that maybe I can't change the size of a Form, but I can't understand why trying to change it wouldn't throw an exception, or give a compiler error. I have my Form WindowState set to Normal instead of Maximized, but it doesn't make a difference. Also, I have read http://www.christec.co.nz/blog/archives/42 this page that tells me how I'm supposed to do this, but I can't easily put all of my controls in a Panel because I'm using a bunch of custom stuff to do alpha background controls.

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• Questions about the MVC architecture

  - by ah123

  I started coding a considerably complicated web application, and it became quite a mess. So I figured I'd try to organize it in a better way. MVC seemed appropriate. I've never used MVC before, and researching about it I'm trying to consolidate a better perception of it (and my questions obviously reflect what I think I've learned so far). My questions are slightly JavaScript oriented: What object should make "AJAX" requests? The Controller or the Model? (seperation -- should the Model just store/manipulate the data, should it not care/know where the data came from, or should it be the one fetching it?) Should the Model call View functions providing them with data as arguments or should the View query (reference) the Model within itself? (seperation principles in mind, "the View shouldn't care/know where it gets the data from" -- is that correct?) In general, should the View "know" of the Model's existance, and vice-versa? Is the Controller the only thing gluing them together or is that simply incorrect? (I really doubt that statement is generally correct) There's a good chance I'd want to port this into a desktop/mobile application, so I would like to seperate components in a way that will allow me to achieve that task, replacing the current source of the data, HTTP requests, with DB access, and replacing the View. Maybe every approach that I've asked about is still "valid" MVC and it's just up to me to choose. I understand that nothing is set in stone, I'm just trying to have a (better) general idea in my head.

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• Looping HTML5 audio on the iPhone

  - by Peeps

  I'm trying to make a HTML5 webapp that simply plays a sound over and over and over again, on my iPhone. I don't know any Obj-C to do it natively. What I have works fine, but the sound only plays once: <!DOCTYPE html> <html> <head> <title>noisemaker!</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <meta name="viewport" content="maximum-scale=1, minimum-scale=1, width=device-width, user-scalable=no" /> <meta name="apple-mobile-web-app-capable" content="yes" /> </head> <body> <audio src="noise.mp3" autoplay controls loop></audio> </body> </html> Is there a way to either bypass the QuickTime audio screen and loop it in the webpage, or get the QuickTime audio screen to loop the sound?

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• Best architecture for a social media app

  - by Sky

  Hey guys, Im working on promising project that develops a new social media app for web and mobile. We are at begin defining functionalities. Nevertheless, I'm thinking ahead on architecture. So I'm asking: 1 - Whats the best plataform to develop the core of this aplication that will have a Rest API interface. 2 - Whats the best database that will scale and grow with my application. As far as I researched, these were the answers I found most interesting: For database: Cassandra NoSQL DB, amazing scalabilty, amazing write performance, good read performance (will be improved on 0.6). I think i will choose that one. Zookeer for transactions on Cassandra. I think that 2 technologies rly good for that propose. What do you think guys? On the front end that will serve the REST API, i dont have a final candidate. For this one i have questions based on Perfomance X Scalabilty X Fast Development/Maintenance. Java or .Net As far as I researched, brings the best balance of this requisits. Python, pearl and Rail, has the best (Fast Development/Maintenance), but sux on all other. C or C++ I dont even consider, because its (Fast Development/Maintenance) sux... So what do you guy think about it?

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