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Search found 5245 results on 210 pages for 'confused or too stupid'.

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  • Am i passing values or adresses? [Java]

    - by Samuel
    Hello World, I am new to java and i was asking myself, if i have a class 'Example' and somewhere i make a: Example example1 = new Example(); and i add some stuff to it, lets say example1.setExampleBoolean(false); and now i make: Example example2 = example1; example2.setExampleBoolean(true); Did i say with Example example2 = example1 let example2 point to the same adress as example1? Because than i would have altered example1. In other words would, using something like: Boolean exampleBoolean = example1.getExampleBoolean(); exampleBoolean be true of false? Might be a stupid questions but for me it would change the way i'd handle problems in my programs :) Thanks in advance -Samuel

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  • HTML2PDF Conversion.

    - by piemesons
    I downloaded these Project files for converting html to pdf. but when i am trying to run any example its giving me error: Warning: Cannot modify header information - headers already sent by (output started at C:\xampp\htdocs\html2pdf\html2pdf.class.php:960) in C:\xampp\htdocs\html2pdf\_tcpdf\tcpdf.php on line 5499 TCPDF ERROR: Some data has already been output to browser, can't send PDF file I am not able to figure this out. Can anybody help me.Its just a matter of 1 min work but i m so stupid that i am not to figure this one. Actually i am trying to do this

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  • jQuery $.ajax success must be a callback function?

    - by b. e. hollenbeck
    I've created a wrapper function for jQuery's $.ajax() method so I can pass different dataTypes and post variables - like so: function doPost(dType, postData, uri){ $.ajax({ url: SITE_URL + uri, dataType: dType, data: postData, success: function(data){ return data; }); } The problem I'm having is getting the data (which is always JSON) back out. I've tried setting a var ret before the $.ajax() function call and setting it as ret = data in the success function. Am I being stupid about this? If I don't set a success function, will the $.ajax simply return the data? Or is it just success: return data? Or does success require a callback function to handle the data, which could just be return data?

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  • Calling Entity Framework function import from code

    - by Mikey Cee
    So I have a stored procedure called Spr_EventLogCreate defined in my database. I have created a function import in my data model called LogEvent with no return type, and I can see this function in the Model Browser tree at MyModel.edmx MyModel EntityContainer Function Imports LogEvent. I thought I should then be able to call the function in my code as follows: var context = new MyModelEntities(); context.LogEvent(...); But the LogEvent() method is not present. I must be being really stupid here, but how do I call my imported function? Using VS 2008 and EF 3.5.

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  • java enterprise project

    - by darko petreski
    Hi All, All the time we are hearing that java is enterprise. We have read many books about jpa, entity beans and other stuff. All this books explain this technology with some dummy examples. I have not seen a book that explains real problems with enterprise beans, java clients and security! I mean real book not some imaginated stupid examples . Is there any book that describes completely some enterprise system, Its architecture, communication, security, of course the client that uses the distributed components ? I need a book that will cover the flowing: server side components (ejb, jpa) client side java desktop application security (authentication and authorization) web services with complete authentication clustering (we can find for all of this a book, but there is no book that covers all this things in one piece. Also all the books are with dummy samples.) Or may be some project that is documented. Regards, Darko

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  • webclient and expect100continue

    - by chandra
    What is the best way to set expect100continue when using WebClient(C#.NET). I have this code below, I still see 100 continue in the header. Stupid apache still complains with 505 error. string url = "http://aaaa.com"; ServicePointManager.Expect100Continue = false; WebClient service = new WebClient(); service.Credentials = new NetworkCredential("username", "password"); service.Headers.Add("Content-Type","text/xml"); service.UploadStringCompleted += (sender, e) => CompleteCallback(BuildResponse(e)); service.UploadStringAsync(new Uri(url), "POST", query);

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  • $('<style></style>').text('css').appendTo('head') does not work in IE?

    - by powerboy
    It works fine in Firefox and Chrome, but does not work in IE8. Here is the html structure: <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> <script type="text/javascript"> $(function() { // this does not work in the stupid IE $('<style type="text/css"></style>').text('body {margin: 0;}').appendTo('head'); }); </script> </head> <body> </body> </html> And what' s the alternative to do this in IE?

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  • Active Merchant Paypal Recurring Pem Error Neither Pub Nor Priv Key

    - by Andy
    Hi, I am trying to use ActiveMerchant to make a Paypal Recurring transaction call. I used the patch here: http://blog.vuzit.com/2008/08/01/paypal-website-payments-pro-us-with-recurring-billing-and-activemerchant/ and I'm stuck on this here: ActiveMerchant::Billing::PaypalGateway.pem_file = File.read('paypal_cert.pem') I am fairly sure the pem file is correctly downloaded from paypal. The error I receive is: /Library/Ruby/Gems/1.8/gems/activemerchant-1.5.1/lib/active_merchant/lib/connection.rb:129:in initialize': Neither PUB key nor PRIV key:: nested asn1 error (OpenSSL::PKey::RSAError) from /Library/Ruby/Gems/1.8/gems/activemerchant-1.5.1/lib/active_merchant/lib/connection.rb:129:innew' from calling the commit method from line 49 of paypal_pro_recurring. I simply have 2 files - paypal_pro_recurring.rb from the tutorial and paypalTest.rb which I wrote and simply requires all files and calls the function. I hope the error isn't something stupid like I must require from an environment file or something. Thanks all!

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  • [Programming General] Advantages of using software framework

    - by ignatius
    Hello, I was reading these days about large projects implementation in python and Flex, and very often people praise the use of framework (like Cairngorm, PureMVC or others) over traditional OOP coding. I think i dont really understand the advantage of using FW, which is the strong point over classic programming? how big should be the project in order to use FW? it is intended mainly for web-applications? or can be used for desktop apps as well? hope, all these doubts dont sound stupid to you, i am not Computer engineer, just electronic, so my knowledge of sw architecture is very limited. Br

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  • C# UTF8 output keep encoded characters intact

    - by Stefan Pohl
    Hello, i have a very simple question I can't seem to get my head around. I have a properly encoded UTF8-String I parse into a JObject with Json.NET, fiddle around with some values and write it to the commandline, keeping the encoded characters intact. Everything works great except for the keeping the encoded characters intact part. Code: var json = "{roster: [[\"Tulg\u00f4r\", 990, 1055]]}"; var j = JObject.Parse(json); for (int i = 0; i < j["roster"].Count(); i++) { j["roster"][i][1] = ((int)j["roster"][i][1]) * 3; j["roster"][i][2] = ((int)j["roster"][i][2]) * 3; } Console.WriteLine(JsonConvert.SerializeObject(j, Formatting.None)); Actual Output: {"roster":[["Tulgôr",2970,3165]]} Desired Output: {"roster":[["Tulg\u00f4r",2970,3165]]} It seems like my phrasing in Google is inappropriate since nothing useful came up. I'm sure it's something uber-easy and i will feel pretty stupid afterwards. :)

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  • Difference between implementing an interface and applying an attribute in C#

    - by RemotecUk
    This might be a stupid question but Ill ask anyway, I was reading "OOP Demystified: A Self-Teaching Guide by Jim Keogh and Mario Giannini" chapter 11 which covers interfaces. The examples in this book are C++. I noticed that C++ uses ISerializable to make a class serializable which you would implement where as in C# you just attribute the class with the [Serializable] attribute. What is the key difference here? Is it that with an interface you must provide the implementation where as if you attribute something the compiler will work out the implementation for you? I guess that with the [Serializable] attribute the .Net framework uses reflection to make the serialized object from the actual object. That said is it possible in that case to have an [Disposable] attribute or using my theory above the framework wont know how to actually dispose of an object hence you have to do it yourself? Would be grateful for a clarification. Thanks.

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  • Task queue java

    - by user268515
    Hi i'm new to Task queue concepts when i referred the guide I got struck on this line queue.add( DatastoreServiceFactory.getDatastoreService().getCurrentTransaction(), TaskOptions().url("/path/to/my/worker")); what is TaskOptions() method. Is it default method are method created manually what will TaskOptions() method will return. I created a method called TaskOption() when i to return a string value its saying error as "The method url(String) is undefined for the type String" In url what i want to specify servlet are any other. My doubt may be stupid but plz clarify it. Thank you, sharun.

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  • using a php variable in the WHERE clause of a mysql query

    - by user1262890
    I'm running a very simple query that I think should work. The only thing that I haven't done before is put a php variable in the WHERE clause of the query. The variable $X is a numerical value, say 100. When I run this query, I just get a value of 0 returned. Am I doing something obviously stupid? SELECT generator_64k.n FROM generator_64k WHERE generator_64k.n<= '$X' I've looked around the web and also tried this: SELECT generator_64k.n FROM generator_64k WHERE generator_64k.n<= '" . $X . "' But this also just returns 0. Any ideas? Thanks in advance.

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  • Compile C# into objective-C

    - by Ali Shafai
    Now that monotouch is being banned, I was wondering if there is a way to translate C# (or some other modern language for that matter) into objective-C? I won't mind using apple's api as long as I don't have to declare my variables in 3-4 stages (ivar-property-synthesize-dealloc). All I want is a less wordy language to concentrate on my intent and not on the compiler syntax. unfortunately apple in its arrogance thinks objective-c is a "modern" language and if you are looking for an alternative (monotouch) it's because you are incapable of coding. also if you don't find programming in itunes; sorry, xcode enjoyable, it is not because there are better alternatives, it's because you are stupid. anyway back to my original question: can it be done?

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  • Problem creating site using Microsoft Visual Web Developer Express 2008

    - by Peter
    Hi, this is a very newbie question, sorry! I need to create an aspx website based con C# and am calling some webservices based on some DLL's I already have. Beforem purchasing Visual Studio, I decided to try Microsoft Visual Web Developer Express (is this ok?) creating a Web Application ASP.NET based on Visual C#. I created the form to enter the data which is submitted when clicking the process button. At this point I need to call stuff from the DLL, which I have added in the Solution Explorer via Add Reference, selecting the DLL from the COM list. But whenever I run the project, I always get the error "the type or namespace xxx cannot be found - maybe a using directive or assembler directive is missing" when trying to create the object. What is my stupid mistake? Thanks!

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  • Boost interprocess cached pools

    - by porgarmingduod
    I'm trying to figure out if my reading of the docs for boost interprocess allocators is correct. When using cached_adaptive_pool to allocate memory: typedef cached_adaptive_pool<int, managed_shared_memory::segment_manager> pool_allocator_t; pool_allocator_t pool_allocator(segment.get_segment_manager()); // Allocate an integer in the shared memory segment pool_allocator_t::pointer pool_allocator.allocate_one(); My understanding is that with multiple processes one can allocate and deallocate freely: That is, if I have a cached pool allocator for integers in one process, then it can deallocate integers allocated by similar pools in other processes (provided, of course, that they are working on the same shared memory segment). It may be a stupid question, but working with multiple processes and shared memory is hard enough, so I'd like to know 100% whether I got the basics right.

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  • IE Specific JavaScript

    - by Banderdash
    This feels like a stupid question, or one that could be answered with a little trial and error and some Googleing--but I assure you I have tried both and several ideas and am not getting the results I'm after. Here are my JS includes for a site: <!-- JavaScript --> <script type="text/javascript" src="http://code.jquery.com/jquery-latest.min.js"></script> <script type="text/javascript" src="js/accordian.js"></script> <!--[if IE 7]><script type="text/javascript" src="js/ie-accordian.js"></script><![endif]--> I'm simply trying to deliver the ie-accordian.js to IE 7 and accordian.js to all other browsers. Just not having any luck keeping IE 7 from using accordian.js as opposed to the one created especially for it. Any thoughts?

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  • How can I condense stand-alone characters in Perl?

    - by brydgesk
    I'm trying to identify and condense single (uppercase) characters in a string. For example: "test A B test" - "test AB test" "test A B C test" - "test ABC test" "test A B test C D E test" - "test AB test CDE test" I have it working for single occurrences (as in the first above example), but cannot figure out how to chain it for multiple occurrences. $str =~ s/ ([A-Z]) ([A-Z]) / \1\2 /g; I'll probably feel stupid when I see the solution, but I'm prepared for that. Thanks in advance.

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  • iTunes Visualizer Plugin in C# - Energy Function

    - by James D
    Hi, iTunes Visualizer plugin in C#. Easiest way to compute the "energy level" for a particular sample? I looked at this writeup on beat detection over at GameDev and have had some success with it (I'm not doing beat detection per se, but it's relevant). But ultimately I'm looking for a stupid-as-possible, quick-and-dirty approach for demo purposes. For those who aren't familiar with how iTunes structures visualization data, basically you're given this: struct VisualPluginData { /* SNIP */ RenderVisualData renderData; UInt32 renderTimeStampID; UInt8 minLevel[kVisualMaxDataChannels]; // 0-128 UInt8 maxLevel[kVisualMaxDataChannels]; // 0-128 }; struct RenderVisualData { UInt8 numWaveformChannels; UInt8 waveformData[kVisualMaxDataChannels][kVisualNumWaveformEntries]; // 512-point FFT UInt8 numSpectrumChannels; UInt8 spectrumData[kVisualMaxDataChannels][kVisualNumSpectrumEntries]; }; Ideally, I'd like an approach that a beginning programmer with little to no DSP experience could grasp and improve on. Any ideas? Thanks!

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  • NO-SQL reliable for small bussines app?

    - by mamcx
    I'm deciding between go for a NON-SQL engine or a regular SQL one for a document managment system for small bussines. I have experience with firebird/sql server and found a good track of reliability (specially with firebird). This market is full of crappy "servers" (clon-made PC, the mayority), cheap harddisk, rarely use of RAID or anything like that, some are in locations where a power-off is normal, some not have a UPS, etc... (I will include off-site auto-backup to external servers, but that no change the internal setup). (I know about end-user education about such proper setups, but is stupid depend on that, so stick to te point) From the desing point of view, a schema-less database is the way to go for my system, but, I worry if any of the actual solutions (MongoDb, Tokyo Cabinet, etc) are like firebird and survice crash, malfunctions & abuse so data corruption is very rare. The plan is store the office documents there & provide a central repository.

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  • PHP and writing clean code

    - by Pirkka
    Hello Im trying to find best practices to write PHP. I just wonder is this a bad habit. For example, processing variables. $var = 1 $var = doSomething($var); $var = doSomething2($var); $var = doSomething3($var); It looks a bit awful. Here is a example of a real code that I just did: $this->rSum = explode(",", $this->options["rSum"]); $this->rSum = array_combine(array_values($this->rSum), array_fill(0, count($this->rSum), 0)); If someone could pass me some good tutorials of writing cleaner code generally it would be nice! Its me again asking stupid questions. :)

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  • iPhone sdk, at dismissModalViewcontrollerAnimated, the parent change y origin coordinate

    - by DigitalVanilla
    Hi guys, my first post here :) I'm having a small trouble with a small but boring problem. I have a view, with a NavigationController. I load in the NC a simple view. Inside this view there's abutton where I fire the presentModalView... in the main view, not on NC, but it's parent view: ABVIEW NC NEWVIEW new attach a presentModalView... on ABVIEW, so [abview present...]; No problem till now. When it's the time to dismiss, after the temporary window (let's calls it NOTES) disappear, my ABVIEW with all the subviews change Y position from 0 to 20, the same height of the status bar. I was looking everywhere and I'm sure it's a stupid thing, but I miss a bit of knowledge here and I have no idea where to find the solution. thanks in advance!

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  • boost pool_alloc

    - by mr grumpy
    Why is the boost::fast_pool_allocator built on top of a singleton pool, and not a separate pool per allocator instance? Or to put it another way, why only provide that, and not the option of having a pool per allocator? Would having that be a bad idea? I have a class that internally uses about 10 different boost::unordered_map types. If I'd used the std::allocator then all the memory would go back to the system when it called delete, whereas now I have to call release_memory on many different allocator types at some point. Would I be stupid to roll my own allocator that uses pool instead of singleton_pool? thanks

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  • How do you handle the deletion of your model working with ViewModels and keeping them in sync ?

    - by Lisa
    Hello, these could be my entity relations: 1 Pupil has 1 Chair 1 Pupil has N Documents 1 Pupil has N Marks 1 Pupil has N IncidentReports etc... So with that sample I get 4 IEnumerable from my database put each into an ObservableCollection. Now I have 4 different Views each bound to one of those 4 collections. Lets assume I delete a single PupilViewModel in the AdministrationController which is the only View where I can delete a PupilViewModel. Now I have to inform 3 other Controller and their ObservableCollections about the one deleted PupilViewModel to keep the whole application synchronized... thats stupid somehow. Do you have any good advice on that scenario? AND it gets even worse. If I delete a schoolclass I have to sync the pupils everywhere AND the documents or incidentreports or marks... gush... o_O

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  • Storing extended IIdentity in HttpContext.Current.User (IPrinciple)

    - by UpTheCreek
    I have created an ExtendedId class which extends GenericIdentity. (This stores Id as well as name) In a httpmodule I stored this extended id in Current.User like so: HttpContext.Current.User = new GenericPrincipal(myExtendedId, roles); Problem is, later, how do I get at my ExtendedId type again? If I try this: ExtendedId eId = (ExtendedId)HttpContext.Current.User.Identity; I get a casting error. I have a feeling I'm doing something stupid here with casting, but I'm a bit foggy this morning.

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