mobile internet - Page 333

Three Ways to Customize Your Business Facebook Page

Marketing on Facebook? These customizable programs can help you stand out from the crowd, brand your small business and engage your customers.

Report: Linux 2.6.33 Boosts Graphics, Dumps Android

A new kernel release makes its debut, with Nvidia and without Android, and top Red Hat and Novell kernel developers share their inside view.

Multiple Apache Web Server Flaws Patched

A handful of vulnerabilities in Apache get fixed, including one flaw that impacts only Windows systems.

Ok, Be Afraid if Someone's Got a Voltmeter Hooked to Your CPU

<b>Bradley M. Kuhn:</b> "Boy, do I hate it when a FLOSS project is given a hard time unfairly. I was this morning greeted with news from many places that OpenSSL, one of the most common FLOSS software libraries used for cryptography, was somehow severely vulnerable."

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Installing PowerDNS (With MySQL Backend) And Poweradmin On Ubuntu 9.10

<b>Howtoforge:</b> "This article shows how you can install the PowerDNS nameserver (with MySQL backend) and the Poweradmin control panel for PowerDNS on an Ubuntu 9.10 system. PowerDNS is a high-performance, authoritative-only nameserver"

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How to save data from multiple views of an iPhone app?

- by DownUnder

Hi Everyone. I'm making an app where I need to save the text in multiple views in the app when the app quits. I also need to be able to remove all of the data from just one of those views and when the app quits, it's possible not all of those views will have been created yet. After reading this post I thought perhaps it would be good to use a singleton that manages my app data which loads in the data when it is first requested and saved it when the app quits. Then in each view where I need to save data I can just set it on the singleton. I gave it a go but have run into some issues. At first I didn't synthesize the properties (as in the post I was using as a guide) but the compiler told me I needed to make getters and setters, so I did. Now when my applicationWIllTerminate: gets call the app crashes and the console says "Program received signal: “EXC_BAD_ACCESS”. kill quit". Is anyone able to tell me what I'm doing wrong, or suggest a better approach to saving the data? //SavedData.h #import <Foundation/Foundation.h> #define kFileName @"appData.plist" @interface SavedData : NSObject { NSString *information; NSString *name; NSString *email; NSString *phone; NSString *mobile; } @property(assign) NSString *information; @property(assign) NSString *name; @property(assign) NSString *email; @property(assign) NSString *phone; @property(assign) NSString *mobile; + (SavedData *)singleton; + (NSString *)dataFilePath; + (void)applicationWillTerminate:(NSNotification *)notification; @end //SavedData.m #import "SavedData.h" @implementation SavedData @synthesize information; @synthesize name; @synthesize email; @synthesize phone; @synthesize mobile; static SavedData * SavedData_Singleton = nil; + (SavedData *)singleton{ if (nil == SavedData_Singleton){ SavedData_Singleton = [[SavedData_Singleton alloc] init]; NSString *filePath = [self dataFilePath]; if([[NSFileManager defaultManager] fileExistsAtPath:filePath]){ NSMutableArray * array = [[NSMutableArray alloc] initWithContentsOfFile:filePath]; information = [array objectAtIndex:0]; name = [array objectAtIndex:1]; email = [array objectAtIndex:2]; phone = [array objectAtIndex:3]; mobile = [array objectAtIndex:4]; [array release]; } UIApplication *app = [UIApplication sharedApplication]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(applicationWillTerminate:) name:UIApplicationWillTerminateNotification object:app]; } return SavedData_Singleton; } + (NSString *)dataFilePath{ NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *DocumentsDirectory = [paths objectAtIndex:0]; return [DocumentsDirectory stringByAppendingPathComponent:kFileName]; } + (void)applicationWillTerminate:(NSNotification *)notification{ NSLog(@"Application will terminate received"); NSMutableArray *array = [[NSMutableArray alloc] init]; [array addObject:information]; [array addObject:name]; [array addObject:email]; [array addObject:phone]; [array addObject:mobile]; [array writeToFile:[self dataFilePath] atomically:YES]; [array release]; } @end Then when I want to use it I do myLabel.text = [SavedData singleton].information; And when I change the field [SavedData singleton].information = @"my string"; Any help will be very much appreciated!

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Avaya, LifeSize Communications Partner to Enable HD Videoconferencing for Avaya UC

Solution will make it easy and cost effective to deploy high definition video communications across multiple locations.

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XKCD: Security Holes

<b>XKCD:</b> "In the rush to clean up the Debian-Open SSL fiasco, a number of other major security holes have been uncovered"

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It's the Freedom You Big Dummy

<b>Daniweb:</b> "No one has given his life for Linux but certainly there have been sacrifices. But, like their armed soldier counterparts, it isn't about the sacrifice, it's the freedom you big dummy."

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Clojure: Immutability at the Language Level

At the heart of Clojure programming language is a powerful set of immutable, persistent collection types. Get a deep dive into a couple of them.

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Hands-on Tutorial for Getting Started with Amazon SimpleDB

<b>PACKT Publishing: </b>"With Amazon SimpleDB you can scale your application's database on the cloud. We are going to sign up for an AWS account, download and install the necessary libraries, and create little code snippets for exploring SimpleDB."

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Clojure: Immutability at the Language Level

At the heart of Clojure programming language is a powerful set of immutable, persistent collection types. Get a deep dive into a couple of them.

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Set up a Personal Blog in 5 Minutes with Tonido Thots

<b>Linux Beacon:</b> "While there are quite a few services that offer free blog hosting, there are situations when you’d want to run a blog on your own server. This approach has its advantages, but setting up a server and then installing and configuring a blog system can be a daunting proposition – unless you choose to use Tonido, that is. This solution offers everything you need in one neat , easy-to-install package."