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  • Crazy TableView (Or more likely me being just a jerk) ;-)

    - by Miky Mike
    Hi guy, I'm going crazy with all that objective C. I went to bed at 1.30 pm today, spending the night on my app but I love it... Well that's not the point anyway... My question is .... I have a table view which evaluates a statement when it displays its data : it goes like this : - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"CustomCell"; cell = ((MainCell *)[self.tableView dequeueReusableCellWithIdentifier:CellIdentifier]); if (cell == nil) { [[NSBundle mainBundle] loadNibNamed:@"MainCell" owner:self options:nil]; } Entry *entry = [fetchedResultsController objectAtIndexPath:indexPath]; cell.topLabel.text = [@"* " stringByAppendingString: entry.entryname]; cell.bottomLabel.text = entry.textbody; if ([entry.active boolValue] == YES) { cell.cellImageView.image = [UIImage imageNamed:@"check.png"]; } else { cell.cellImageView.image = nil; cell.accessoryType = UITableViewCellAccessoryDetailDisclosureButton; } return cell; } The problem is that the first time it displays the data, the conditions are met when I scroll down the tableview but when I scroll up, sometimes, I get my "check.png" image and the accessory as well, which is not possible normally. Am I going crazy or is it the tableview ? Could you help me with that please, I can't figure out why it doesn't work... :-(( Thanks a lot in advance. Mike

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  • Freezes for unknown reasons, causing fan to go crazy on a Portege laptop

    - by Sünnje
    I have recently installed Natty on a new Toshiba Portege laptop. I find it extremely irritating that the system freezes frequently, about every other time I use the computer. Then the fan goes crazy and I have to force-shutdown. It seems to happen no matter what I do; I encountered this problem when using Firefox, LibreOffice, Adobe Reader - probably when using only terminals too, but I'm not certain. It may be fan-related, because the computer seems to get heated up compared compared to earlier, but I am not sure about that. Any ideas why this could be happening?

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  • Unit Testing DateTime – The Crazy Way

    - by João Angelo
    We all know that the process of unit testing code that depends on DateTime, particularly the current time provided through the static properties (Now, UtcNow and Today), it’s a PITA. If you go ask how to unit test DateTime.Now on stackoverflow I’ll bet that you’ll get two kind of answers: Encapsulate the current time in your own interface and use a standard mocking framework; Pull out the big guns like Typemock Isolator, JustMock or Microsoft Moles/Fakes and mock the static property directly. Now each alternative has is pros and cons and I would have to say that I glean more to the second approach because the first adds a layer of abstraction just for the sake of testability. However, the second approach depends on commercial tools that not every shop wants to buy or in the not so friendly Microsoft Moles. (Sidenote: Moles is now named Fakes and it will ship with VS 2012) This tends to leave people without an acceptable and simple solution so after reading another of these types of questions in SO I came up with yet another alternative, one based on the first alternative that I presented here but tries really hard to not get in your way with yet another layer of abstraction. So, without further dues, I present you, the Tardis. The Tardis is single section of conditionally compiled code that overrides the meaning of the DateTime expression inside a single class. You still get the normal coding experience of using DateTime all over the place, but in a DEBUG compilation your tests will be able to mock every static method or property of the DateTime class. An example follows, while the full Tardis code can be downloaded from GitHub: using System; using NSubstitute; using NUnit.Framework; using Tardis; public class Example { public Example() : this(string.Empty) { } public Example(string title) { #if DEBUG this.DateTime = DateTimeProvider.Default; this.Initialize(title); } internal IDateTimeProvider DateTime { get; set; } internal Example(string title, IDateTimeProvider provider) { this.DateTime = provider; #endif this.Initialize(title); } private void Initialize(string title) { this.Title = title; this.CreatedAt = DateTime.UtcNow; } private string title; public string Title { get { return this.title; } set { this.title = value; this.UpdatedAt = DateTime.UtcNow; } } public DateTime CreatedAt { get; private set; } public DateTime UpdatedAt { get; private set; } } public class TExample { public void T001() { // Arrange var tardis = Substitute.For<IDateTimeProvider>(); tardis.UtcNow.Returns(new DateTime(2000, 1, 1, 6, 6, 6)); // Act var sut = new Example("Title", tardis); // Assert Assert.That(sut.CreatedAt, Is.EqualTo(tardis.UtcNow)); } public void T002() { // Arrange var tardis = Substitute.For<IDateTimeProvider>(); var sut = new Example("Title", tardis); tardis.UtcNow.Returns(new DateTime(2000, 1, 1, 6, 6, 6)); // Act sut.Title = "Updated"; // Assert Assert.That(sut.UpdatedAt, Is.EqualTo(tardis.UtcNow)); } } This approach is also suitable for other similar classes with commonly used static methods or properties like the ConfigurationManager class.

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  • SPRoleAssignment Crazy Caviats

    - by MOSSLover
    I’m not sure if this bug exists on any other environment, but here are a few issues I ran into when trying to use SPRoleAssignment and SPGroup: When trying to use Web.Groups[“GroupName”] it basically told me the group did not exist, so I had to change the code to use Web.SiteGroups[“GroupName”]. I could not add the Role Assignment to the Web and run a Web.Update() without adding an additional Web.AllowUnsafeUpdates= true; , however on my virtual machine I could do a Web.Update() without the extra piece of code.  I kept receiving an error in my browser stating that I should hit the back button and update my permissions. So after fixing those two issues I was able to copy the permissions from a page item into a Site for my migration.  Hopefully, one of you can learn from my error messages if you have any issues in the future. Technorati Tags: SPRoleAssignment,MOSS,SPGroup

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  • Crazy Linq: performing System.ComponentModel.DataAnnotations validation in a single statement

    - by Daniel Cazzulino
    public static IEnumerable&lt;ValidationResult&gt; Validate(object component) { return from descriptor in TypeDescriptor.GetProperties(component).Cast&lt;PropertyDescriptor&gt;() from validation in descriptor.Attributes.OfType&lt;System.ComponentModel.DataAnnotations.ValidationAttribute&gt;() where !validation.IsValid(descriptor.GetValue(component)) select new ValidationResult( validation.ErrorMessage ?? string.Format(CultureInfo.CurrentUICulture, "{0} validation failed.", validation.GetType().Name), new[] { descriptor.Name }); } ...Read full article

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  • Rhythmbox goes crazy if I change keyboard layout

    - by krokoziabla
    Not so trivial to explain but I'll try. Launch Rhythmbox Insert a CD in the CD-ROM The CD is not automatically identified (it's of a not very famous Russian band) I'm manually setting track names and... Magic, black magic! If I change the keyboard layout (RU <- EN) during editing then Rhythmbox kicks me out of the editing. So if a track name contains both Russian and English words I'm compelled to write one part, press Enter (so that the changes are not lost), change layout, click on the track name, write another part in the opposite layout. In some tricky names I have to do this several times. By the way, I use Alt+Shift to change layout. Any ideas?

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  • For On Page SEO, This Works Like Crazy

    When it comes to the search engines we need to be making sure that our website tells the search engines exactly what it is and what the content contained within is about. Once we have this right, which will come from the on page optimization and content, we need to build backlinks to our website which increases the popularity of our website in the search engines eyes and lifts us up through the rankings.

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  • CPU on ubuntu goes crazy

    - by n179911
    Hi, I am running ubuntu 9.10. At the sudden the CPU goes crazy and when I do top, it is used by a command called 'dd' and it is run by USER 'root'. It keeps going to for 15 minutes. Can you please tell what is it doing? and if I can kill it by reboot my machine? Thank you.

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  • Multi Monitor setup goes crazy after locking/unlocking Vista machine

    - by Mark Henderson
    My Vista Business machine, running Ultramon, has three monitors attached. When I lock the machine, the monitor layout stays correct. When I unlock it, I watch as all my screens flicker (as they are being re-configured), and Vista chooses some crazy layout for the monitors. The most recent one is below, but it's never consistent. Any ideas what might cause this? It's Vista Business, with UltraMon 3.0 (exiting Ultramon makes no difference).

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  • Windows 7 System process reading/writing like crazy

    - by Mats Ekberg
    I have a problem that my windows 7 computer sometimes starts accessing the disk like crazy for maybe 10 minutes at a time. The process in question is the "system" process. I have disabled superfetch and hibernation on my computer, if that makes any difference. I disabled those to see if they were the cause of the problems, but no change. I have 6 GB of RAM and only the web browser was started when I took the screenshot, so I don't think it was thrashing due to page faults. Any ideas on how to find the cause of this?

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  • Multi Monitor setup goes crazy after locking/unlocking Vista machine

    - by Farseeker
    Give me a 10-blade quad-processor quad-core Opteron centre and ask me to configure failover/load balancing and I'd be happy to, but the following problem has got me completely stumped. My Vista Business Professional machine, running Ultramon, has three monitors attached. When I lock the machine (to go to the delicious cafe around the corner), the monitor layout stays correct. When I unlock it, I watch as all my screens flicker (as they are being re-configured), and Vista chooses some crazy layout for the monitors. The most recent one is below, but it's never consistant. Any ideas what might cause this? It's Vista Business, with UltraMon 3.0 (exiting Ultramon makes no difference).

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  • Javascript crazy idea finding a node

    - by Louis
    I had a crazy (but so crazy that it just might work) idea where every element on a page is created in javascript but given an ID which is a hash of its path in the DOM. So instead of searching through the DOM to find an element, you hash the path and then getElementById() with that hash. Problem with this is getting the path might be more expensive than searching the DOM in the first place. Any ideas how this could be done or if it is just plain stupid?

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  • Help me clean up this crazy lambda with the out keyword

    - by Sarah Vessels
    My code looks ugly, and I know there's got to be a better way of doing what I'm doing: private delegate string doStuff( PasswordEncrypter encrypter, RSAPublicKey publicKey, string privateKey, out string salt ); private bool tryEncryptPassword( doStuff encryptPassword, out string errorMessage ) { ...get some variables... string encryptedPassword = encryptPassword(encrypter, publicKey, privateKey, out salt); ... } This stuff so far doesn't bother me. It's how I'm calling tryEncryptPassword that looks so ugly, and has duplication because I call it from two methods: public bool method1(out string errorMessage) { string rawPassword = "foo"; return tryEncryptPassword( (PasswordEncrypter encrypter, RSAPublicKey publicKey, string privateKey, out string salt) => encrypter.EncryptPasswordAndDoStuff( // Overload 1 rawPassword, publicKey, privateKey, out salt ), out errorMessage ); } public bool method2(SecureString unencryptedPassword, out string errorMessage) { return tryEncryptPassword( (PasswordEncrypter encrypter, RSAPublicKey publicKey, string privateKey, out string salt) => encrypter.EncryptPasswordAndDoStuff( // Overload 2 unencryptedPassword, publicKey, privateKey, out salt ), out errorMessage ); } Two parts to the ugliness: I have to explicitly list all the parameter types in the lambda expression because of the single out parameter. The two overloads of EncryptPasswordAndDoStuff take all the same parameters except for the first parameter, which can either be a string or a SecureString. So method1 and method2 are pretty much identical, they just call different overloads of EncryptPasswordAndDoStuff. Any suggestions? Edit: if I apply Jeff's suggestions, I do the following call in method1: return tryEncryptPassword( (encrypter, publicKey, privateKey) => { var result = new EncryptionResult(); string salt; result.EncryptedValue = encrypter.EncryptPasswordAndDoStuff( rawPassword, publicKey, privateKey, out salt ); result.Salt = salt; return result; }, out errorMessage ); Much the same call is made in method2, just with a different first value to EncryptPasswordAndDoStuff. This is an improvement, but it still seems like a lot of duplicated code.

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  • Objective C Insanity -- simple assignement to a single float variable results in {{{CRAZY}}} values

    - by morgancodes
    memberA is defined in the header of ClassA. memberB is defined in the header of ClassB. ClassB is a subclass of ClassA Inside an instance of ClassB, setting memberA via simple assignment: memberA = 0.05 ...also changes memberB, but to a crazy number -- 1028443341. Additionally, assigning 0.05 to memberA results in memberA showing up in the debugger as 5.33083531e-38. Both variables are floats, neither is a pointer. I'm almost certianly making some noob mistake, but I don't have any clue what it might be. What sort of screw-up might make it so assigning a value to one variable results in crazy values appearing in two variables? I can give more details or real code, but figured I'd keep it simple to start with in case it's an obvious problem/solution.

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  • Survey: How's Your Economy?

    - by andyleonard
    Another quick survey question, slightly off-topic: How's your economy? Have things picked up for you recently? Slowed down? Remained static? :{> Andy Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!...(read more)

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  • Crazy problem with Nginx, PHP5-FPM on Ubuntu

    - by Emmanuel
    I've been trying to get a domain from shared hosting to my new VPS. Everything was working just 100% fine, and then all of a sudden rewrites stopped working, pictures that should work started returning 404s. I've got no idea why, but for some reason on my site: http://www.onlythebible.com/ only the home page works, all the other pages depend on rewrites which were working perfectly fine at one stage, but all of a sudden stopped working. Some of the pictures like this url: http://www.onlythebible.com/bgsPreview/Matthew-8.10.jpg which doesn't use a rewrite throws a 404? I almost certain it was nothing to do with the nginx configuration. I've got suspicions that it could be something to do with php5-fpm? The funny thing is, all of a sudden it started working again. And then an hour or so later it broke again and has now gone back to only displaying the home-page and all of the links (and some of the pictures) are just showing 404s. Does anyone have an idea of what the problem might be? I'm pretty new to the whole Linux VPS thing, but this just seems very strange. *edit Here's a line from the error log which might shed some light on the problem: 2011/02/06 03:04:59 [error] 2873#0: *220 open() "/usr/local/nginx/html/bgsPreview/Matthew-8.10.jpg" failed (2: No such file or directory), client: 114.77.115.211, server: onlythebible.com, request: "GET /bgsPreview/Matthew-8.10.jpg HTTP/1.1", host: "www.onlythebible.com", referrer: "http://www.onlythebible.com/" I wonder why it's trying to find the file in /usr/local/nginx/html instead of the proper root which is /var/www/ etc... Oh, and for some reason it's just started working again... for how long I don't know. Another thing that was a bit weird, is that the pages on my website are pulled from a database. But when I edited the database, the pages didn't change... It's almost like they've been cached or something.

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  • Zabbix machine is going crazy with HD writes!

    - by gshankar
    I recently installed Zabbix on a Ubuntu box I had sitting around. It's only monitoring 2 servers but I've noticed that it's continuously smashing the HD with writes. I don't remember Zabbix being this resource heavy when I've used it in the past... Any ideas on why this is happening and what I can do about it? Running iotop gives me this: 1710 be/4 mysql 0.00 B/s 102.12 K/s 0.00 % 0.00 % mysqld --basedir=/usr --datadir=/var/lib/mysql --user=mysql --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/run/mysqld/mysqld.sock --port=3306 1723 be/4 mysql 0.00 B/s 0.00 B/s 0.00 % 0.00 % mysqld --basedir=/usr --datadir=/var/lib/mysql --user=mysql --pid-file=/var/run/mysqld/mysqld I'm pretty sure it's Zabbix that's causing all that mysql activity as it's the only thing which uses mysql which is running on the box...

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  • Crazy VM clock drift

    - by SimonJGreen
    This is taken from an Ubuntu 10.10 VM running on ESX5: Nov 3 21:58:50 server1 ntpd[21169]: adjusting local clock by 31.187370s Nov 3 22:02:36 server1 ntpd[21169]: adjusting local clock by 31.159808s Nov 3 22:05:18 server1 ntpd[21169]: adjusting local clock by 31.067579s Nov 3 22:07:59 server1 ntpd[21169]: adjusting local clock by 30.952187s Nov 3 22:11:38 server1 ntpd[21169]: adjusting local clock by 30.890147s According to the VMWare KB no kernel tweaks should be needed for Ubuntu 10.10 to maintain time to their standards. What's especially odd is the drift seems fairly consistent. Any help appreciated on this one!

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  • windows 7 goes crazy after multiple rdp sessions

    - by rphilli5
    On several different windows 7 machines after using multiple rdp sessions, the local computer begins to act like a function key is locked on. Windows will start opening and closing windows as I type and only a few of the characters will show up normally. The solution to get rid of this issue is to depress the windows key and than num lock, to return to normal keyboard operation. A reboot will also fix the issue. Does anyone know what causes this and how to prevent it from occurring in the first place?

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  • windows 7 numlock issues with rdp causes machine to go crazy

    - by rphilli5
    After going through a few rdp sessions to xp machines, when I come back to my local machine it appears some setting has been tripped so every key I type is registered as one of the function/alt keys plus the key I type, causing windows to open and close windows randomly and other erratic behavior. Pressing windows key and numlock returns everything to normal. Any ideas what causes this. I have experienced this on multiple win 7 machines, but never in vista or xp.

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  • Windows 7, going crazy with environment variables

    - by roymustang86
    So, I am trying to learn java. I installed the JDK and proceeded to write a few programs. Each time, I have to give the path to javac.exe to compile the .java file. SO, I decided to tweak the %PATH% variable. And no matter what I change it to, it doesn't work. when I do an echo %PATH%, I get 'Program' is not recognized as an internal or external command, operable program or batch file. This is my Path variable contents : C:\app\product\11.1.0\client_1\bin;%CommonProgramFiles%\Microsoft Shared\Windows Live;%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;%SYSTEMROOT%\System32\WindowsPowerShell\v1.0\;"C:\Program Files (x86)\Common Files\Roxio Shared\DLLShared\";"C:\Program Files\Broadcom\Broadcom 802.11";"C:\Program Files (x86)\Common Files\Roxio Shared\OEM\DLLShared\";"C:\Program Files (x86)\Common Files\Roxio Shared\OEM\DLLShared\";"C:\Program Files (x86)\Common Files\Roxio Shared\OEM\12.0\DLLShared\";"C:\Program Files (x86)\Roxio\OEM\AudioCore\";"C:\Program Files (x86)\Intel\Services\IPT\" How do I work around this? the double quotes were not there before, I added it thinking the space was the problem.

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  • WCF 405 Method Not Allowed Crazy Error Help!

    - by devmania
    hi, i am going crazy i have read like 10s of articles also on stackoverflow about that i am calling webservice in restful way and should enable this in service and in webconfig, so i did that but as soon as i add the [WebGet()] Attribute i get this crazy error if i remove it then the service get called seamlessly i am using VS 2010 RC 1 IIS 7 Windows 7 here is my code [ServiceContract(Namespace = "")] [AspNetCompatibilityRequirements(RequirementsMode =AspNetCompatibilityRequirementsMode.Allowed)] public class Service2 { [OperationContract] [WebGet()] public List<Table1> GetCustomers(string numberToFetch) { using (DataClassesDataContext context = new DataClassesDataContext()) { return context.Table1s.Take(numberToFetch).ToList( ); } } } and my ASPX page Code <body xmlns:sys="javascript:Sys" xmlns:dataview="javascript:Sys.UI.DataView"> <div id="CustomerView" class="sys-template" sys:attach="dataview" dataview:autofetch="true" dataview:dataprovider="Service2.svc" dataview:fetchParameters="{{ {numberToFetch: 2} }}" dataview:fetchoperation="GetCustomers"> <ul> <li>{{name}}</li> </ul> </div> and my Web.config code <system.serviceModel> <behaviors> <endpointBehaviors> <behavior name="Service2AspNetAjaxBehavior"> <enableWebScript /> </behavior> </endpointBehaviors> </behaviors> <serviceHostingEnvironment aspNetCompatibilityEnabled="true" multipleSiteBindingsEnabled="true" /> <services> <service name="Service2"> <endpoint address="" behaviorConfiguration="Service2AspNetAjaxBehavior" binding="webHttpBinding" contract="Service2" /> </service> </services> </system.serviceModel> totally appreciate the help

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  • Visual studio has gone crazy trying to create files

    - by zachary
    I downloaded Process Monitor and began monitoring my project directory that I am writing code in. I see endless entries every couple seconds of: Operation: Create File C:\Inetpub\wwwroot\csharp C:\Inetpub\wwwroot\code C:\Inetpub\wwwroot\web and so on for the rest of the templates Then it says the result is PATH NOT FOUND. What is happening? Has Visual Studio GONE CRAZY?!?!?!?!?!?!?!

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  • Crazy interview question

    - by benjamin button
    I was asked this crazy question. I was out of my wits. Can a method in base class which is declared as virtual be called using the base class pointer which is pointing to a derived class object? Is this possible?

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