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  • To refund or not to refund this client?

    - by Mahalia Samuels
    I'd really appreciate your advice on an ongoing project. I presented my client with a proposal and design samples which he approved, and he paid in full instead of the 50% upfront deposit as I'd given him a generous discount. He was then slow in furnishing me with some of the content, but once we did, he expected the website to be finished immediately which was not possible. Because he needed it done urgently, we agreed to try to get it done about 10 working days after the content was provided, but the developer who was helping me let me down. The next week, I completed the website myself and uploaded it to the server on a Friday afternoon. He then calls and texts me on following Sunday while I'm at church to say it's not online (there was probably a problem with his browser). The next morning, I received an email from him demanding a full refund within two days because he couldn't see the website (even though it was live, and I tested it on multiple browsers, a different computer and my phone), and he called me shouting at me because he couldn't access it. Finally when he was able to access it, he was unhappy with a certain detail regarding the slideshow which I began fixing and which was done the next day. He then referred me to another website and said he wanted it to look similar but not identical to it in terms of the layout. He also now wanted to add more features which were not in the original design. I got a designer to work on a new design which I sent to him for review, which if approved would be completed by 15 October, and he approved it last Thursday. He then called me yesterday to say that he wanted to change the design - he only approved it out of impatience. He now wants the website to be more similar to the other website he referred me to and he wants it done before the 15th! Then, he says to me that other people have done websites for him in three days - website's he's complained to me about for lacking dimension because they were just premium themes, whereas we'd designed and coded from scratch. I'm thinking of finishing the website but refunding him in full (or at least the refundable 50%) less domain registration and other non-refundable amounts, just to avoid further escalation of this matter and having him call me next week and say he wants to change it again. These are the applicable terms and conditions as laid out in the agreement: Total amount due for this project is Amount A. Client shall pay Consultant a deposit of Amount B (50% of total amount due for project) in advance before any work commences on the Project. The balance is due within 7 working days of completion of project. Deposit is non-refundable. Should client opt to host elsewhere, applicable transferral fee of Amount C will apply. Estimated project completion time frame is 14 to 30 days from the date Client furnishes Consultant with Brief and all other required media and data, provided that Client has made payment to secure the project. Consultant will make every effort to meet agreed upon due dates. The Client should be aware that failure to submit required information or materials, or last minute changes and excessive changes may cause subsequent delays. Client delays could result in significant delays in delivery of finished work. Major changes in client input or direction or brief will be charged at normal rates. Any work the Client wishes Consultant to create, which is not specified in the attached Proposal will be considered an additional service. Client agrees to pay Consultant for any additional expenses or additional services not included in the attached quotation and proposal if requested by the Client. Web design credit in the name of the Consultant, and link to Consultant’s website shall be placed on the footer of the final Website. Either party may terminate this Agreement by giving 7 days written notice to the other of such termination. In the event that Work is postponed or terminated at the request of the Client, Consultant shall have the right to bill pro rata at full rates for work completed through the date of that request, while reserving all rights under this Agreement. If additional payment is due, this shall be payable within seven days of the Client's written notification to stop work. In the event of termination, the Client shall also pay any expenses incurred by Consultant and the Consultant shall own all rights to the Work. Advice please?

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  • Using another domain with Google App Engine

    - by gsingh2011
    I'm trying to change my google app engine domain (domain.appspot.com) to the domain I bought from 1&1.com (mydomain.com). I went into the google app engine settings and added the domain. After making a Google Apps account, I was asked to verify my domain. The directions say that 1&1 doesn't allow me to create TXT records, so I can't use that method for verification. Their alternative is to upload an HTML file to my server, but I didn't buy hosting with my domain, I just bought the domain. My files are on domain.appspot.com. How can I make mydomain.com point to domain.appspot.com? I've added the ns1.googleghs.com as my nameservers in my 1&1 DNS settings, but I still can't verify my domain with Google Apps.

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  • How to remap CapsLock key to Ctrl in Xubuntu

    - by Evgeny
    I'm trying to remap my CapsLock key to Ctrl key as described here (adding /usr/bin/setxkbmap -option "ctrl:nocaps" command to "Session and Startup"-"Application Autostart"). But this doesn't work in Xubuntu 12.04. When I'm running the same command (/usr/bin/setxkbmap -option "ctrl:nocaps") from terminal everything works as expected. If I change command to: sh -c "/usr/bin/setxkbmap -option \"ctrl:nocaps\"" it again works if I'm running it from terminal, but it doesn't work if I add it to xfce "Session and Startup" configurator. Also when I create a script like this: #!/bin/sh /usr/bin/setxkbmap -option "ctrl:nocaps" and add it to startup via "Session and startup" configurator, it has no effect at all. But if I run this script after login it actually remaps caps key as expected.

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  • Configuration server problem after changing /tmp mountpoint: how to solve?

    - by Aron Rotteveel
    I created a new partition on my hard drive because my /tmp partition was too small. I changed the mountpoint in /etc/fstab and rebooted. Every time I reboot, I get the following error message at the login screen: There is a problem with the configuration server. (/usr/lib/libgconf2-4/gconf-sanity-check-2 exited with status 256) When I log in, /tmp is mounted correctly and everything seems to work fine. When I reboot, the error shows again. When I change the /tmp mountpoint back to the old partition, the error message disappears. What could be causing this and how can I solve this issue?

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  • How to install the translations for trac

    - by julien
    I have installed trac on my server running Ubuntu 12.04. The problem is that the users cannot change the language in their preferences. Instead, the following message is displayed: Translations are currently unavailable. Trac has been localized to more than a dozen of languages but in order to be able to use them, the Babel package needs to be present when installing Trac. See TracInstall for details. The installation has been done using the repositories of Ubuntu, but I could not find any package related to trac and babel, nor trac and anything related to internationalization. How can I install the translations for trac?

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  • How to perform efficient 2D picking in HTML5?

    - by jSepia
    I'm currently using an R-Tree for both picking and collision testing. Each entity on screen has a bounding box for collisions and a separate one for picking. Since entities may change position very frequently, both trees must be updated/reordered once per frame. While this is very efficient for collisions, because the tree is used in hundreds of collision queries every frame, I'm finding it too costly for picking, because it only gets queried when the user clicks, thus leading to a lot of wasted tree updates. What would be a more efficient way to implement picking without as much overhead?

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  • Data management in unexpected places

    - by Ashok_Ora
    Normal 0 false false false EN-US X-NONE X-NONE Data management in unexpected places When you think of network switches, routers, firewall appliances, etc., it may not be obvious that at the heart of these kinds of solutions is an engine that can manage huge amounts of data at very high throughput with low latencies and high availability. Consider a network router that is processing tens (or hundreds) of thousands of network packets per second. So what really happens inside a router? Packets are streaming in at the rate of tens of thousands per second. Each packet has multiple attributes, for example, a destination, associated SLAs etc. For each packet, the router has to determine the address of the next “hop” to the destination; it has to determine how to prioritize this packet. If it’s a high priority packet, then it has to be sent on its way before lower priority packets. As a consequence of prioritizing high priority packets, lower priority data packets may need to be temporarily stored (held back), but addressed fairly. If there are security or privacy requirements associated with the data packet, those have to be enforced. You probably need to keep track of statistics related to the packets processed (someone’s sure to ask). You have to do all this (and more) while preserving high availability i.e. if one of the processors in the router goes down, you have to have a way to continue processing without interruption (the customer won’t be happy with a “choppy” VoIP conversation, right?). And all this has to be achieved without ANY intervention from a human operator – the router is most likely to be in a remote location – it must JUST CONTINUE TO WORK CORRECTLY, even when bad things happen. How is this implemented? As soon as a packet arrives, it is interpreted by the receiving software. The software decodes the packet headers in order to determine the destination, kind of packet (e.g. voice vs. data), SLAs associated with the “owner” of the packet etc. It looks up the internal database of “rules” of how to process this packet and handles the packet accordingly. The software might choose to hold on to the packet safely for some period of time, if it’s a low priority packet. Ah – this sounds very much like a database problem. For each packet, you have to minimally · Look up the most efficient next “hop” towards the destination. The “most efficient” next hop can change, depending on latency, availability etc. · Look up the SLA and determine the priority of this packet (e.g. voice calls get priority over data ftp) · Look up security information associated with this data packet. It may be necessary to retrieve the context for this network packet since a network packet is a small “slice” of a session. The context for the “header” packet needs to be stored in the router, in order to make this work. · If the priority of the packet is low, then “store” the packet temporarily in the router until it is time to forward the packet to the next hop. · Update various statistics about the packet. In most cases, you have to do all this in the context of a single transaction. For example, you want to look up the forwarding address and perform the “send” in a single transaction so that the forwarding address doesn’t change while you’re sending the packet. So, how do you do all this? Berkeley DB is a proven, reliable, high performance, highly available embeddable database, designed for exactly these kinds of usage scenarios. Berkeley DB is a robust, reliable, proven solution that is currently being used in these scenarios. First and foremost, Berkeley DB (or BDB for short) is very very fast. It can process tens or hundreds of thousands of transactions per second. It can be used as a pure in-memory database, or as a disk-persistent database. BDB provides high availability – if one board in the router fails, the system can automatically failover to another board – no manual intervention required. BDB is self-administering – there’s no need for manual intervention in order to maintain a BDB application. No need to send a technician to a remote site in the middle of nowhere on a freezing winter day to perform maintenance operations. BDB is used in over 200 million deployments worldwide for the past two decades for mission-critical applications such as the one described here. You have a choice of spending valuable resources to implement similar functionality, or, you could simply embed BDB in your application and off you go! I know what I’d do – choose BDB, so I can focus on my business problem. What will you do? /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;}

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  • Flash player (in Firefox) is unstable in 14.04

    - by henry
    For 13.10, I used this guide to get Intel iGPU-supported playback of flash videos in Firefox: http://www.webupd8.org/2013/09/adobe-flash-player-hardware.html All in all, Intel graphics acceleration for flash content was working just fine in 13.10, at least on my machine (with Xubuntu). I basically followed the guide to do the same for 14.04, but about 2-3 weeks ago flash videos started acting up. Whenever I have one instance of flash paused or stopped in one tab and go to the next tab to continue some song on Soundcloud or something, it's game over. I'm clueless as to what I can do here. Did anything change in the meantime?

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  • Is it OK to have a team with same abilities but different skill levels?

    - by A. Karimi
    I believe that in an ideal team, members should have different but complementary abilities. But is that true about software development teams? As an example we are a small team of 5. We almost have the same abilities and interests but with different levels of skills. Regarding such situation I think we don't cover our teammates' weaknesses. Is there any pattern to follow to manage and improve such team? Should I setup a team with different abilities and interests to maximize the performance and productivity? -- EDIT -- Our current team has a specific lifetime. We work together in a per-project manner. In another word we may change the team arrangement for each project depending on the project and developers situation. Actually we've provided a sort of floating situation. In short, we are a network of developers rather than a fixed-size development team.

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  • How do I fix these compiler errors in Apple Crunch?

    - by BluFire
    I've been looking around and I finally got the full source code for a game called Apple-Crunch from Google Code. But when I put it into my project, the source code included so many errors in the class files such as: cannot be resolved into a type the constructor is undefined the method method() is undefined for the type Sprite class.java I downloaded the source directly from the command-line and noticed errors popping up on my project. Since I couldn't figure out how to import the actual folder into my workspace (it wouldn't show up on existing projects) I decided to copy and overwrite the folders into the project. The errors were still there so I looked at the class files and noticed that the classes with errors extended from RokonActivity. I then proceeded to add to the libs folder the Rokon library in hopes to fix the errors. Sadly it didn't work and now I don't what to do to fix the errors. How do I fix the errors without having to manually change the code? The source code should be fully functional so why are there errors?

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  • How to improve testing your own code

    - by Peter
    Today I checked in a change on some code which turned out to be not working at all due to something rather stupid yet very crucial. I feel really bad about it and I hope I finally learn something from it. The stupid thing is, I've done these things before and I always tell myself, next time I won't be so stupid... Then it happens again and I feel even worse about it. I know you should keep your chin up and learn from your mistakes but here's the thing: I try to improve myself, I just don't see how I can prevent these things from happening. So, now I'm asking you guys: Do you have certain groundrules when testing your code?

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  • Silverlight Reporting Application Part 3.5 - Prism Background and WCF RIA [Series Intermission]

    Taking a step back before I dive into the details and full-on coding fun, I wanted to once again respond to a comment on my last post to clear up some things in regards to how I'm setting up my project and some of the choices I've made. Aka, thanks Ben. :) Prism Project Setup For starters, I'm not the ideal use case for a Prism application. In most cases where you've got a one-man team, Prism can be overkill as it is more intended for large teams who are geographically dispersed or in applications that have a larger scale than my Recruiting application in which you'll greatly benefit from modularity, delayed loading of xaps, etc. What Prism offers, though, is a manner for handling UI, commands, and events with the idea that, through a modular approach in which no parts really need to know about one another, I can update this application bit by bit as hiring needs change or requirements differ between offices without having to worry that changing something in the Jobs module will break something in, say, the Scheduling module. All that being said, here's a look at how our project breakdown for Recruit (MVVM/Prism implementation) looks: This could be a little misleading though, as each of those modules is actually another project in the overall Recruit solution. As far as what the projects actually are, that looks a bit like this: Recruiting Solution Recruit (Shell up there) - Main Silverlight Application .Web - Default .Web application to host the Silverlight app Infrastructure - Silverlight Class Library Project Modules - Silverlight Class Library Projects Infrastructure &Modules The Infrastructure project is probably something you'll see to some degree in any composite application. In this application, it is going to contain custom commands (you'll see the joy of these in a post or two down the road), events, helper classes, and any custom classes I need to share between different modules. Think of this as a handy little crossroad between any parts of your application. Modules on the other hand are the bread and butter of this application. Besides the shell, which holds the UI skeleton, and the infrastructure, which holds all those shared goodies, the modules are self-contained bundles of functionality to handle different concerns. In my scenario, I need a way to look up and edit Jobs, Applicants, and Schedule interviews, a Notification module to handle telling the user when different things are happening (i.e., loading from database), and a Menu to control interaction and moving between different views. All modules are going to follow the following pattern: The module class will inherit from IModule and handle initialization and loading the correct view into the correct region, whereas the Views and ViewModels folders will contain paired Silverlight user controls and ViewModel class backings. WCF RIA Services Since we've got all the projects in a single solution, we did not have to go the route of creating a WCR RIA Services Class Library. Every module has it's WCF RIA link back to the main .Web project, so the single Linq-2-SQL (yes, I said Linq-2-SQL, but I'll soon be switching to OpenAccess due to the new visual designer) context I'm using there works nicely with the scope of my project. If I were going for completely separating this project out and doing different, dynamically loaded elements, I'd probably go for the separate class library. Hope that clears that up. In the future though, I will be using that in a project that I've got in the "when I've got enough time to work on this" pipeline, so we'll get into that eventually- and hopefully when WCF RIA is in full release! Why Not use Silverlight Navigation/Business Template? The short answer- I'm a creature of habit, and having used Silverlight for a few years now, I'm used to doing lots of things manually. :) Plus, starting with a blank slate of a project I'm able to set up things exactly as I want them to be. In this case, rather than the navigation frame we would see in one of the templates, the MainRegion/ContentControl is working as our main navigation window. In many cases I will use theSilverlight navigation template to start things off, however in this case I did not need those features so I opted out of using that. Next time when I actually hit post #4, we're going to get into the modules and starting to get functionality into this application. Next week is also release week for the Q1 2010 release, so be sure to check out our annualWebinar Week (I might be biased, but Wednesday is my favorite out of the group). Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • How can I assign id to subject input box in simple machines forum?

    - by Mahesh Bhat
    I have installed the simple machines forum. For my requirement I need to change the subject input box. Presently the subject input box has the following code <input type="text" class="input_text" maxlength="80" size="80" tabindex="1" name="subject"> I want this to be changed like <input type="text" id="subject" class="input_text" maxlength="80" size="80" tabindex="1" name="subject"> How can I do this? I browsed through many files in simple machines forum and couldn't find out. Anyone one simple machines forum please help me

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  • The practical cost of swapping effects

    - by sebf
    Hello, I use XNA for my projects and on those forums I sometimes see references to the fact that swapping an effect for a mesh has a relatively high cost, which surprises me as I thought to swap an effect was simply a case of copying the replacement shader program to the GPU along with appropriate parameters. I wondered if someone could explain exactly what is costly about this process? And put, if possible, 'relatively' into context? For example say I wanted to use a short shader to help with picking, I would: Change the effect on every object, calculting a unique color to identify it and providing it to the shader. Draw all the objects to a render target in memory. Get the color from the target and use it to look up the selected object. What portion of the total time taken to complete that process would be spent swapping the shaders? My instincts would say that rendering the scene again, no matter how simple the shader, would be an order of magnitude slower than any other part of the process so why all the concern over effects?

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  • Oracle's Business Analytics Strategy Webcast

    - by Rob Reynolds
    Join Mark Hurd and Balaji Yelamanchili as they unveil the latest advances in Oracle’s strategy for placing analytics into the hands of every one of your decision-makers—so that they can see more, think smarter, and act faster. Learn about the latest developments in business intelligence technology and applications, advanced analytics, performance management applications, and engineered systems. You’ll find out how you can harness the exploding volumes of data being generated inside your organization—and beyond the firewall—to: Deliver real-time intelligence to your mobile workforce globally Forecast and plan at the speed of business Accelerate your financial close and reporting process Discover how Oracle business analytics can change the way you do business. Register today for this on demand event.

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  • Stuck on Ubuntu startup screen (5 orange bullets)

    - by psyboy14
    I recently download Ubuntu 12.04 LTS onto my Macbook Pro 5-5. Everything worked seamlessly, save for the brightness control. I couldn't change the screen brightness from the hardware buttons, nor from the system preferences. To fix it, I used the instructions here: MacbookPro 5-5 LCD Brightness Control At #2, I restarted my laptop, only to see that it went straight to the Ubuntu Startup Screen, with the 5 orange dots (Usually they all startoff white, then turn orange to indicate progress). From there, I tried controlling the brightness from the keyboard, and it worked, but sadly, my computer is still stuck on the loading screen. (Yes, I have tried manually restarting it) Could you please help? Thank you in advance

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  • HP va-t-il s'attaquer à Microsoft ? Le constructeur va se lancer dans le Cloud Computing où il pourrait concurrencer Windows Azure

    HP va-t-il s'attaquer à Microsoft ? Le constructeur va se lancer dans le Cloud Computing où il pourrait concurrencer Windows Azure Le PDG change, la stratégie aussi. Au temps de Mark Hurd, l'alliance entre le constructeur HP et le fournisseur d'OS Microsoft était claire. Les deux sociétés complétaient leurs offres respectives avec les atouts de l'autre. Le hardware de HP et la plateforme Azure de Microsoft formaient des appliances complètes, clef-en-main, à destination des Cloud privés et des data-centers des entreprises. C'est encore théoriquement le cas aujourd'hui. Mais depu...

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  • Arabic disappeared after 12.04 upgrade!

    - by Aboubakr
    Well, I was amongst the 12.04 Beta upgraders, and since then I've lost the ability to write in Arabic, and I've been using Ubuntu since 2008 as an only OS without any issues, and been upgrading since then as well, except on this machine, which received one upgrade from 11.10 to 12.04 and it got messed up. I've added Arabic like usual, but it doesn't change with the keyboard's short-cut, and when I do it manually with the Mouse, then it just doesn't work, and it keeps writing in English instead. I've tried to install some iBus things, and added Arabic-kbd (m17n) but it still remains messy, let alone not having the same layout, and all I want is to get to NORMAL. So, please, is there any way to reset or initialize these keyboard related settings, so I can get back to normal and stop using the Mac just to type in Arabic, or so often using XP over Vbox? And please, no Re-install option! I just can't backup all my work right now, and there are a lot of tasks waiting for me to get them done. Thanks for any kind of support :)

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  • Lenovo G580 Brightness Error caused by unsupported updates. How to revert?

    - by Arjun Bajaj
    I just installed the 64-Bit version of Ubuntu 12.04 on my newly bought Lenovo G580. The brightness control was working properly using the Live CD and when I first started the installed version. Then I updated Ubuntu and restarted my laptop, and suddenly now, I can't change the brightness. I think its caused by some update. And then I went and checked my update settings, and saw that Unsupported Updates were enabled by default. So now I need to fix this brightness issue somehow. What should I do to locate the wrong update and remove it? I don't even mind removing all the updates right now. Thanks for the help. :)

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  • Migrating Core Data to new UIManagedDocument in iOS 5

    - by samerpaul
    I have an app that has been on the store since iOS 3.1, so there is a large install base out there that still uses Core Data loaded up in my AppDelegate. In the most recent set of updates, I raised the minimum version to 4.3 but still kept the same way of loading the data. Recently, I decided it's time to make the minimum version 5.1 (especially with 6 around the corner), so I wanted to start using the new fancy UIManagedDocument way of using Core Data. The issue with this though is that the old database file is still sitting in the iOS app, so there is no migrating to the new document. You have to basically subclass UIManagedDocument with a new model class, and override a couple of methods to do it for you. Here's a tutorial on what I did for my app TimeTag.  Step One: Add a new class file in Xcode and subclass "UIManagedDocument" Go ahead and also add a method to get the managedObjectModel out of this class. It should look like:   @interface TimeTagModel : UIManagedDocument   - (NSManagedObjectModel *)managedObjectModel;   @end   Step two: Writing the methods in the implementation file (.m) I first added a shortcut method for the applicationsDocumentDirectory, which returns the URL of the app directory.  - (NSURL *)applicationDocumentsDirectory {     return [[[NSFileManagerdefaultManager] URLsForDirectory:NSDocumentDirectoryinDomains:NSUserDomainMask] lastObject]; }   The next step was to pull the managedObjectModel file itself (.momd file). In my project, it's called "minimalTime". - (NSManagedObjectModel *)managedObjectModel {     NSString *path = [[NSBundlemainBundle] pathForResource:@"minimalTime"ofType:@"momd"];     NSURL *momURL = [NSURL fileURLWithPath:path];     NSManagedObjectModel *managedObjectModel = [[NSManagedObjectModel alloc] initWithContentsOfURL:momURL];          return managedObjectModel; }   After that, I need to check for a legacy installation and migrate it to the new UIManagedDocument file instead. This is the overridden method: - (BOOL)configurePersistentStoreCoordinatorForURL:(NSURL *)storeURL ofType:(NSString *)fileType modelConfiguration:(NSString *)configuration storeOptions:(NSDictionary *)storeOptions error:(NSError **)error {     // If legacy store exists, copy it to the new location     NSURL *legacyPersistentStoreURL = [[self applicationDocumentsDirectory] URLByAppendingPathComponent:@"minimalTime.sqlite"];          NSFileManager* fileManager = [NSFileManagerdefaultManager];     if ([fileManager fileExistsAtPath:legacyPersistentStoreURL.path])     {         NSLog(@"Old db exists");         NSError* thisError = nil;         [fileManager replaceItemAtURL:storeURL withItemAtURL:legacyPersistentStoreURL backupItemName:niloptions:NSFileManagerItemReplacementUsingNewMetadataOnlyresultingItemURL:nilerror:&thisError];     }          return [superconfigurePersistentStoreCoordinatorForURL:storeURL ofType:fileType modelConfiguration:configuration storeOptions:storeOptions error:error]; }   Basically what's happening above is that it checks for the minimalTime.sqlite file inside the app's bundle on the iOS device.  If the file exists, it tells you inside the console, and then tells the fileManager to replace the storeURL (inside the method parameter) with the legacy URL. This basically gives your app access to all the existing data the user has generated (otherwise they would load into a blank app, which would be disastrous). It returns a YES if successful (by calling it's [super] method). Final step: Actually load this database Due to how my app works, I actually have to load the database at launch (instead of shortly after, which would be ideal). I call a method called loadDatabase, which looks like this: -(void)loadDatabase {     static dispatch_once_t onceToken;          // Only do this once!     dispatch_once(&onceToken, ^{         // Get the URL         // The minimalTimeDB name is just something I call it         NSURL *url = [[selfapplicationDocumentsDirectory] URLByAppendingPathComponent:@"minimalTimeDB"];         // Init the TimeTagModel (our custom class we wrote above) with the URL         self.timeTagDB = [[TimeTagModel alloc] initWithFileURL:url];           // Setup the undo manager if it's nil         if (self.timeTagDB.undoManager == nil){             NSUndoManager *undoManager = [[NSUndoManager  alloc] init];             [self.timeTagDB setUndoManager:undoManager];         }                  // You have to actually check to see if it exists already (for some reason you can't just call "open it, and if it's not there, create it")         if ([[NSFileManagerdefaultManager] fileExistsAtPath:[url path]]) {             // If it does exist, try to open it, and if it doesn't open, let the user (or at least you) know!             [self.timeTagDB openWithCompletionHandler:^(BOOL success){                 if (!success) {                     // Handle the error.                     NSLog(@"Error opening up the database");                 }                 else{                     NSLog(@"Opened the file--it already existed");                     [self refreshData];                 }             }];         }         else {             // If it doesn't exist, you need to attempt to create it             [self.timeTagDBsaveToURL:url forSaveOperation:UIDocumentSaveForCreatingcompletionHandler:^(BOOL success){                 if (!success) {                     // Handle the error.                     NSLog(@"Error opening up the database");                 }                 else{                     NSLog(@"Created the file--it did not exist");                     [self refreshData];                 }             }];         }     }); }   If you're curious what refreshData looks like, it sends out a NSNotification that the database has been loaded: -(void)refreshData {     NSNotification* refreshNotification = [NSNotificationnotificationWithName:kNotificationCenterRefreshAllDatabaseData object:self.timeTagDB.managedObjectContext  userInfo:nil];     [[NSNotificationCenter defaultCenter] postNotification:refreshNotification];     }   The kNotificationCenterRefreshAllDatabaseData is just a constant I have defined elsewhere that keeps track of all the NSNotification names I use. I pass the managedObjectContext of the newly created file so that my view controllers can have access to it, and start passing it around to one another. The reason we do this as a Notification is because this is being run in the background, so we can't know exactly when it finishes. Make sure you design your app for this! Have some kind of loading indicator, or make sure your user can't attempt to create a record before the database actually exists, because it will crash the app.

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  • ASP.NET Multi-Select Radio Buttons

    - by Ajarn Mark Caldwell
    “HERESY!” you say, “Radio buttons are for single-select items!  If you want multi-select, use checkboxes!”  Well, I would agree, and that is why I consider this a significant bug that ASP.NET developers need to be aware of.  Here’s the situation. If you use ASP:RadioButton controls on your WebForm, then you know that in order to get them to behave properly, that is, to define a group in which only one of them can be selected by the user, you use the Group attribute and set the same value on each one.  For example: 1: <asp:RadioButton runat="server" ID="rdo1" Group="GroupName" checked="true" /> 2: <asp:RadioButton runat="server" ID="rdo2" Group="GroupName" /> With this configuration, the controls will render to the browser as HTML Input / Type=radio tags and when the user selects one, the browser will automatically deselect the other one so that only one can be selected (checked) at any time. BUT, if you user server-side code to manipulate the Checked attribute of these controls, it is possible to set them both to believe that they are checked. 1: rdo2.Checked = true; // Does NOT change the Checked attribute of rdo1 to be false. As long as you remain in server-side code, the system will believe that both radio buttons are checked (you can verify this in the debugger).  Therefore, if you later have code that looks like this 1: if (rdo1.Checked) 2: { 3: DoSomething1(); 4: } 5: else 6: { 7: DoSomethingElse(); 8: } then it will always evaluate the condition to be true and take the first action.  The good news is that if you return to the client with multiple radio buttons checked, the browser tries to clean that up for you and make only one of them really checked.  It turns out that the last one on the screen wins, so in this case, you will in fact end up with rdo2 as checked, and if you then make a trip to the server to run the code above, it will appear to be working properly.  However, if your page initializes with rdo2 checked and in code you set rdo1 to checked also, then when you go back to the client, rdo2 will remain checked, again because it is the last one and the last one checked “wins”. And this gets even uglier if you ever set these radio buttons to be disabled.  In that case, although the client browser renders the radio buttons as though only one of them is checked the system actually retains the value of both of them as checked, and your next trip to the server will really frustrate you because the browser showed rdo2 as checked, but your DoSomething1() routine keeps getting executed. The following is sample code you can put into any WebForm to test this yourself. 1: <body> 2: <form id="form1" runat="server"> 3: <h1>Radio Button Test</h1> 4: <hr /> 5: <asp:Button runat="server" ID="cmdBlankPostback" Text="Blank Postback" /> 6: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 7: <asp:Button runat="server" ID="cmdEnable" Text="Enable All" OnClick="cmdEnable_Click" /> 8: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 9: <asp:Button runat="server" ID="cmdDisable" Text="Disable All" OnClick="cmdDisable_Click" /> 10: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 11: <asp:Button runat="server" ID="cmdTest" Text="Test" OnClick="cmdTest_Click" /> 12: <br /><br /><br /> 13: <asp:RadioButton ID="rdoG1R1" GroupName="Group1" runat="server" Text="Group 1 Radio 1" Checked="true" /><br /> 14: <asp:RadioButton ID="rdoG1R2" GroupName="Group1" runat="server" Text="Group 1 Radio 2" /><br /> 15: <asp:RadioButton ID="rdoG1R3" GroupName="Group1" runat="server" Text="Group 1 Radio 3" /><br /> 16: <hr /> 17: <asp:RadioButton ID="rdoG2R1" GroupName="Group2" runat="server" Text="Group 2 Radio 1" /><br /> 18: <asp:RadioButton ID="rdoG2R2" GroupName="Group2" runat="server" Text="Group 2 Radio 2" Checked="true" /><br /> 19:  20: </form> 21: </body> 1: protected void Page_Load(object sender, EventArgs e) 2: { 3:  4: } 5:  6: protected void cmdEnable_Click(object sender, EventArgs e) 7: { 8: rdoG1R1.Enabled = true; 9: rdoG1R2.Enabled = true; 10: rdoG1R3.Enabled = true; 11: rdoG2R1.Enabled = true; 12: rdoG2R2.Enabled = true; 13: } 14:  15: protected void cmdDisable_Click(object sender, EventArgs e) 16: { 17: rdoG1R1.Enabled = false; 18: rdoG1R2.Enabled = false; 19: rdoG1R3.Enabled = false; 20: rdoG2R1.Enabled = false; 21: rdoG2R2.Enabled = false; 22: } 23:  24: protected void cmdTest_Click(object sender, EventArgs e) 25: { 26: rdoG1R2.Checked = true; 27: rdoG2R1.Checked = true; 28: } 29: 30: protected void Page_PreRender(object sender, EventArgs e) 31: { 32:  33: } After you copy the markup and page-behind code into the appropriate files.  I recommend you set a breakpoint on Page_Load as well as cmdTest_Click, and add each of the radio button controls to the Watch list so that you can walk through the code and see exactly what is happening.  Use the Blank Postback button to cause a postback to the server so you can inspect things without making any changes. The moral of the story is: if you do server-side manipulation of the Checked status of RadioButton controls, then you need to set ALL of the controls in a group whenever you want to change one.

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  • Is HR The New IT?

    - by Scott Ewart
    Is HR The New IT?  As recruitment, on-boarding and development head to the cloud and mobile devices put sophisticated tools into everyone’s hands, HR leaders are discovering that technology savvy and analytical skills are key to effective talent management. In this article by Ladan Nikravan in the September edition of Talent Management magazine, Oracle's own Chris Leone, SVP of Fusion Strategy, gives his take on how Technology trends such as social, mobile, big data and the cloud are creating a fundamental change in how employees and HR create value and relationships within the networked organization. Read the full article here: http://d27vj430nutdmd.cloudfront.net/23555/122778/122778.1.pdf

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  • Impact of changing from PHP to Java after 1 year or 6 months

    - by user62909
    I'm MCA final year student and I have very poor school record and had 2 years of gap. I'm first class with distinction in graduation and in post graduation is first class.Companies are coming for campus recruitment.I have very less companies like 4 or 5 who don't impose any criteria. there is a company who work on PHP and i have cleared its aptitude test and technical only HR remaining. I'm actually interested in Java and have knowledge about it but company work on PHP.I was fretting about If i work on PHP for 6 or 1 year can I change later to Java ? because i will also have experience of 6 or 12 months ? Will be considered an experienced employee if I apply for java developer later ? Will manager think that I worked in PHP and not allowed for Java ? Will I have to pursue java OCJP certification so i can get job even after 1 year experience of PHP ? Only 8 days are remaining for Hr round so please need help

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  • audio controls in xfce 4.8

    - by Peter
    I am seeing several questions similar to mine, but none of the answers are sufficient. I am pretty green with Ubuntu, so here goes: I was just automatically upgraded to xfce 4.8 for Ubuntu studio. The volume control no longer works in my panel. When I launch 'mixer' I don't see any settings, either. When I try to run "linux audio configuration" I get an error: JACK can only be configured with a loaded and stopped studio. Please create a new studio or load and stop an existing one. I understand that I can change the volume using command line, but I can't understand why I got upgraded to something that fails on basic features. I much less likely to recommend ubuntu to others as a result. thanks!

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  • several subdomains pointing to one folder. fasthosts problem

    - by David
    I have a asp.net website (e.g. www.website.com). The idea is that you will go to the url 'yourname.website.com' and my site will request the name from the sub domain, process it and change the content accordingly. So, I purchased my fasthosts hosting package and created a sub domain which points to a folder within my site. e.g. 'www.website.com/folder'. However, when i now go to the url 'yourname.website.com' it is immediately redirected to 'website.com/folder'. this means I cannot request the subdomain from the url because it has been lost. I have tried contacting these guys but they don't understand and keep going on about some sort of redirect script (although i don't see how any further redirects can solve my problem). Is there something I am missing here? Any suggests or help would be much appreciated!

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