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  • COde improvement

    - by eric
    Could you write this 'cleaner' ? Just a simple question from a beginner:) if(isset($_GET['tid']) && trim($_GET['tid'])!==""){ $act = 'tid'; $tid = trim($_GET['tid']); }elseif(isset($_GET['fid']) && trim($_GET['fid'])!==""){ $act = 'fid'; $fid = trim($_GET['fid']); }elseif(isset($_GET['mid']) && trim($_GET['mid'])!==""){ $act = 'mid'; }elseif(isset($_GET['act']) && trim($_GET['act'])!==""){ $act = trim($_GET['act']); }else{ $act = ""; }

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  • Declare global variables for a batch of execution statements - sql server 2005

    - by Shrewd Demon
    hi, i have an SQL statement wherein i am trying to update the table on the client's machine. the sql statement is as follows: BEGIN TRANSACTION DECLARE @CreatedBy INT SELECT @CreatedBy = [User_Id] FROM Users WHERE UserName = 'Administrator' --//////////////////////////////////////////////////////////////////// --//////////////////////////////////////////////////////////////////// PRINT @CreatedBy --(Works fine here and shows me the output) PRINT N'Rebuilding [dbo].[Some_Master]' ALTER TABLE [dbo].[Some_Master] ADD [CreatedBy] [BIGINT] NULL, [Reason] [VARCHAR](200) NULL GO PRINT @CreatedBy --(does not work here and throws me an error) PRINT N'Updating data in [Some_Master] table' UPDATE Some_Master SET CreatedBy = @CreatedBy COMMIT TRANSACTION but i am getting the following error: Must declare the scalar variable "@CreatedBy". Now i have observed if i write the Print statement above the alter command it works fine and shows me its value, but if i try to print the value after the Alter command it throws me the error i specified above. I dont know why ?? please help! Thank you

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  • How do i change Object to String in a class which extends AsyncTask?

    - by Filip V.
    I'm learning from Google's Android developing tutorial and i came across a problem. On this link https://developer.android.com/training/basics/network-ops/connecting.html#AsyncTask it says to create a class that extends AsyncTask. So when i write the class it automatically implements the method as follows: private Object doInBackground(Object... args) {..} //it's fine but when i try writing just as it says in the tutorial: private String doInBackground(String... args) {..} //it gives an error and the error says: The method doInBackground(String...) of type MainActivity.DownloadWebpageText must override a superclass method. So how do i change Object to String without getting an error there?

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  • How to transition from PHP to Python Django?

    - by ggfan
    Here's my background: Decent experience with PHP/MySql. Beginner's experience with OOP Why I want to learn Python Django? I gave in, based on many searches on SO and reading over some of the answers, Python is a great, clean, and structured language to learn. And with the framework Django, it's easier to write codes that are shorter than with PHP Questions Can i do everything in Django as in PHP? Is Django a "big" hit in web development as PHP? I know Python is a great general-purpose language but I'm focused on web development and would like to know how Django ranks in terms of web development.

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  • How to read from USB without any driver ?

    - by YouKnowWho
    We are creating small system which has GPS receiver and PC. We want to test my GPS receiver, We do not want to go for a driver on the first go. First I would like to test my circuit works or nor. GPS IC has been set to output NMEA sentence. We want a program which just reads data from USB port and print it on the screen. Can we write something like this easily ? Do we have any open source tool which will achieve this purpose ? Platform : Windows 7

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  • using Eval in vb.net

    - by Bin_Zain
    hiii evryone.... i have small problem with my code in vb.net that i want to use (Eval) in my project so i write this code : <asp:Label ID="Label1" runat="server" Text='<%#Eval("PAG_PAGES") == null ? "" : ((PostAgenciesModel.PAG_PAGES)(Eval("PAG_PAGES"))).PAGE_TITLE_AR %>'></asp:Label> and this code i used in my C# project .... all want to show the (Label1) in insied my GridView.... ("PAG_PAGES") is the name of table.. PostAgenciesModel is the edmx... PAGE_TITLE_AR is the colum in ("PAG_PAGES") that i want to show it can anyone help plzzz thanxx

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  • Where is Python support for PEM + RSA + DES3?

    - by jasonjs
    I need a Python library that supports PEM files and both RSA signing and DES3 encryption. pycrypto doesn't seem to support PEM, and its mechanism for loading existing keys is undocumented and cryptic. m2crypto doesn't seem to support DES/DES3, oddly. I've been running an openssl subprocess, but I'd rather have something built in and preferably fast. Does this exist? (Failing that, I hesitate to ask, but are there high-level enough C apis available for this that I could write a special-purpose extension without killing myself/introducing vulns?)

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  • Highlight multiple rows using jQuery

    - by cf_PhillipSenn
    I'm putting together a succinct jQuery matrix because I'm having a hard time navigating around on the jQuery site, and the cheat sheets don't seem to provide me what I want either. Here's how I highlight the rows: $('.eq').hover(function() { $('.eq').toggleClass('highlight'); }); $('.is').hover(function() { $('.is').toggleClass('highlight'); }); Q: How can I write a function that says "toggle everything in the same class as what is being hovered over"? Something like: function toggle(that){ $(that.className).toggleClass('highlight'); }

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  • SQL Query, return value from table with no join

    - by jdenomme19
    I'm hoping for an idea on the best way to approach what I'm trying to do. I have a table with a list of transactions. Each transactions has a PostDate in DateTime format. I have another table holding the fiscal period values. This table has the following columns; FiscalYear, FiscalMonth, StartDate, EndDate. I'm trying to write a query that will return all values from my transactions table, along with the FiscalYear and FiscalMonth of the PostDate. So I guess I'm just trying to return the FiscalYear and FiscalMonth values when the PostDate falls between the StartDate and EndDate. I've tried using a Subbuery, but I have little experience with them and kept returning an error message that the subquery was returning more than 1 value. Help would be appreciated SELECT Transactions.PostDate, Transactions.TranKey, Transactions.CustKey, (SELECT FiscalPeriod.FiscPer FROM FiscalPeriod WHERE (Transactions.PostDate > CONVERT(Datetime, FiscalPeriod.StartDate, 102)) AND (Transactions.PostDate < CONVERT(DATETIME, FiscalPeriod.EndDate, 102))) AS FisPer FROM Transactions

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  • Programatically determining file "size on disk" in advance

    - by porkchop
    I need to know how big a given in-memory buffer will be as an on-disk (usb stick) file before I write it. I know that unless the size falls on the block size boundary, its likely to get rounded up, e.g. a 1 byte file takes up 4096 bytes on-disk. I'm currently doing this using GetDiskFreeSpace() to work out the disk block size, then using this to calculate the on-disk size like this: GetDiskFreeSpace(szDrive, &dwSectorsPerCluster, &dwBytesPerSector, NULL, NULL); dwBlockSize = dwSectorsPerCuster * dwBytesPerSector; if (dwInMemorySize % dwBlockSize != 0) { dwSizeOnDisk = ((dwInMemorySize / dwBlockSize) * dwBlockSize) + dwBlockSize; } else { dwSizeOnDisk = dwInMemorySize; } Which seems to work fine, BUT GetDiskFreeSpace() only works on disks up to 2GB according to MSDN. GetDiskFreeSpaceEx() doesn't return the same information, so my question is, how else can I calculate this information for drives 2GB? Is there an API call I've missed? Can I assume some hard values depending on the overall disk size?

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  • Silverlight debugging, no list element view

    - by Snake
    When I'm debugging my Silverlight Appliction and I'm using a list internally I cannot hover over the list and see the items inside the list. I just see the RAW view of the list. If I want to see the items I have to write my own code which is tedious. Is this something normal to Silverlight? I DO have the correct list view when debugging in normal Console/WPF/... applications. Example: Silverlight: (link: click) See how there is no 'list view in the first example? And there in this one: And for non Silverlight: (link: click)

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  • XCode iPhone OS Deployment Target Tool

    - by Trah Divad
    Problem I'm currently stuck trying to figure out what "iPhone OS Deployment Target" setting to use. I do not want to write conditional code right now, so I'd like the lowest version that runs my application fine. At first I thought it would be 2.0 as I wasn't using any 3.0 features, but then i realized that AVAudioRecorder is a 3.0 API. I don't want to be manually checking EVERY function I use in the documentation. Question Is there a tool that will check the OS availability of each functions you call in your code to figure out what the Deployment Target should be? That tool could be a good old compiler, but the latest version of the iPhone SDK does not come with the PRE-3.0 SDKs.

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  • Javascript Animation Toogle

    - by user1507270
    I am new to JavaScript (I had some lessons in school but those were basically basics of all basics :) ) and I am seeking for help with this animation made from scratch. Here is a code that I wrote: http://jsfiddle.net/bPZeH/1/. What it basically does is that it animates height of one div. What I would like to know is, how to write the function startAnimation(), so that if I click on the div while it is being animated, it will reverse animation (for instance: instead of animating height from 150px to 400px it will stop at the current value and then animate back to 150px). I basically want to make toogle from one value to the other. It would also be okay if it were able to toogle only after the animation has finished, but I would prefer the first option. Thanky you very much.

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  • What is wrong with my version of strchr?

    - by Eduard Saakashvili
    My assignment is to write my own version of strchr, yet it doesn't seem to work. Any advice would be much appreciated. Here it is: char *strchr (const char *s, int c) //we are looking for c on the string s { int dog; //This is the index on the string, initialized as 0 dog = 0; int point; //this is the pointer to the location given by the index point = &s[dog]; while ((s[dog] != c) && (s[dog] != '\0')) { //it keeps adding to dog until it stumbles upon either c or '\0' dog++; } if (s[dog]==c) { return point; //at this point, if this value is equal to c it returns the pointer to that location } else { return NULL; //if not, this means that c is not on the string } }

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  • how to link static cells to Outlet/Actions - E.G tap the call cell to call the number

    - by holtii
    The code I have. By the way, I can't get Call to work and Website does not open either! - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { NSString *urlToOpen = @""; if( indexPath.section == 0 ){ // call number urlToOpen = @"tel:442074036933"; } else if( indexPath.section == 1 ){ // open website urlToOpen = @"http://www.designmuseum.org"; } else { // open address urlToOpen = @"http://maps.apple.com/maps?daddr=Design+Museum+London"; } [[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlToOpen]]; NSString *destinationAddress = [NSString stringWithFormat:@"%@+%@+%@", [address street], [address city], [address country]]; NSString *sourceAddress = [LocalizedCurrentLocation currentLocationStringForCurrentLanguage]; NSString *url = [NSString stringWithFormat:@"http://maps.apple.com/maps?saddr=%@&daddr=%@", [sourceAddress stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding], [destinationAddress stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]; [[UIApplication sharedApplication] openURL:[NSURL URLWithString:url]]; I need to add destination address which for my App is = 28 Shad Thames, London, United Kingdom. Which format to write it in? because I cant get it to work and really need to sort this problem of my app real quick

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  • How to print size_t variable portably?

    - by ArunSaha
    I have a variable of type size_t, and I want to print it using printf(). What format specifier do I use to print it portably? In 32-bit machine, %u seems right. I compiled with g++ -g -W -Wall -Werror -ansi -pedantic, and there was no warning. But when I compile that code in 64-bit machine, it produces warning. size_t x = <something>; printf( "size = %u\n", x ); warning: format '%u' expects type 'unsigned int', but argument 2 has type 'long unsigned int' The warning goes away, as expected, if I change that to %lu. The question is, how can I write the code, so that it compiles warning free on both 32- and 64- bit machines? Edit: I guess one answer might be to "cast" the variable into an unsigned long, and print using %lu. That would work in both cases. I am looking if there is any other idea. (C, C++)

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  • What motivates people to learn a new programming language?

    - by szabgab
    There are plenty of question asking Which Programming Language Should I Learn? but I have not found an answer yet to the question what really motivates people to learn a specific new language?. There are the people who think they should learn a new language every year for educational purpose. How do they decide on the languages to be learned? Then I guess there are people who learn a new language because people around them told it is a fun language and they can build nice things with it. Of course if the current job requires it people would learn a new language but I think if the language seems to have a potential to earn money (e.g. There are plenty of jobs in Java or ObjectiveC can be used to write apps for the iPhone and make money). So why are you learning a new language or why have you learned the languages you know?

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  • Does HTML5 only replace the video aspects of Flash/Silverlight?

    - by John
    I see a lot of talk how HTML5 video tag will kill Flash. But while video is the most widely used part of Flash/SL, it's only a small part of their technical abilities. For instance you can write a game using full 3D graphics and socket connections in Flex, and serious business applications, etc. Is the thinking that Javascript will kill those parts of Flash/Flex/SL? Because while that seems feasible now for even quite rich web-apps, what about any kind of high-performance app like real-time graphics?

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  • how to Calling JavaScript in a WebBrowser control from C# in such a situation

    - by weahappy
    sorry, my poor English,my question is as following: Calling JavaScript in a WebBrowser control from C# in ordinary way: JavaScript function showMe() { ... } C# webBrowser1.Document.InvokeScript("showMe"); that is ok! but how to call in such situation: html: <a href="javascript:void(0);" onclick="App.followcancel('1880161672',this,'0','A','B');return false;">hello</a> c#: webBrowser1.Document.InvokeScript(????????) I don't know how to write the correct paremeter to achieve the onclick's javascript anyone help me,thanks a lot

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  • Automatic images translation to 3d model

    - by farrakhov-bulat
    I'm quite interested in automatic images translation to 3d models. Not really for commercial product, but from the point of possible academic research and implementation. What I'd like to achieve is almost transparent for user process of transformation series of images (fewer is better) to 3d model which might be shown in flash/silverlight/javafx or similar. Consider online furniture store with 3d models of all items in stock. Kinda cool to have ability to see the product in 3d before purchasing it. I managed to find a few pieces of software, like insight3d, but it couldn't be used in my case I guess. So, are there any similar projects or tips for me? If it would require to write that piece of software - I'd really love to dig into research on this field.

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  • Django: do I need to do HttpResponseRedirect to render a simple string after a POST?

    - by AP257
    I've got a mobile app that makes POST requests to a Django site. I want to return a simple string (not a template-based page) after the app makes the POST request, saying 'Success' or 'Failure' as appropriate. However I know that after a POST request in Django you're supposed to do a HttpResponseRedirect. But, do I really need to redirect to another page and write a new function to handle it, all to output a string? And if so, how do I pass the success/failure status of the app in the HttpResponseRedirect, since it's only supposed to take one argument? Thanks!

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  • one query instead of four - is it possible?

    - by Syom
    i must get data from four tables. i wrote the script with four queries, but i use it in ajax, and i wan't to do it by one query. here is queries... $query1 = "SELECT `id`,`name_ar` FROM `tour_type` ORDER BY `order`"; $query2 = "SELECT `id`,`name_ar` FROM `hotel_type` ORDER BY `order`"; $query3 = "SELECT `id`,`name_ar` FROM `food_type` ORDER BY `order`"; $query4 = "SELECT `id`,`name_ar` FROM `cities` WHERE `id_parrent` = '$id_parrent' ORDER BY `name_ar`"; is it possible to write in one query? thanks

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  • MVC 2 ViewContenxt. Writer doesn't exist in MVC 1?

    - by DaveDev
    I had the following code in an ASP.NET MVC 2 application. internal TextWriter _writer; // some stuff _writer = _viewContext.Writer; _writer.Write(_tag.ToString(TagRenderMode.EndTag)); I tried to move it to MVC 1 & now it doesn't build any more. I'm getting this error: 'System.Web.Mvc.ViewContext' does not contain a definition for 'Writer' Can someone point out how I can resolve this? Thanks.

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  • Django: Staff Decorator

    - by Mark
    I'm trying to write a "staff only" decorator for Django, but I can't seem to get it to work: def staff_only(error='Only staff may view this page.'): def _dec(view_func): def _view(request, *args, **kwargs): u = request.user if u.is_authenticated() and u.is_staff: return view_func(request, *args, **kwargs) messages.error(request, error) return HttpResponseRedirect(request.META.get('HTTP_REFERER', reverse('home'))) _view.__name__ = view_func.__name__ _view.__dict__ = view_func.__dict__ _view.__doc__ = view_func.__doc__ return _view return _dec Trying to follow lead from here. I'm getting: 'WSGIRequest' object has no attribute '__name__' But if I take those 3 lines out, I just get a useless "Internal Server Error". What am I doing wrong here?

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  • Get file size of BufferedImage before writing the data

    - by David
    I'm working on a Java program that needs to send an image (preferably in PNG format, though I could perhaps use another format if necessary) over the network. The logical way to do this is, of course, to first send the length of the PNG image data, then the data itself. Problem: I don't see any method in ImageIO or anywhere else that will give me the length of the image data. Does this exist somewhere in the Java 1.6 standard library? I know I could just write it to a ByteArrayOutputStream and get the length of the resulting array, but before resorting that I wanted to make sure I'm not missing something built in. And besides, that makes an extra copy of the image data, which I'd rather not do if it's not necessary.

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