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• django templating system inheritance issue

  - by Suhail

  hi, i am having issues with my django templating system, i have a base.html file, which contains the content which will be common on all the web pages of the web site, the base.html file fetches some dynamic content, like the categories and the archives, which are passed to it by a python file, which fetches the categories and the archives data from a mysql database. the issue when i inherit this base.html file in other html files like index.html: {% extends "base.html" %} and when when i call the main index URL for ex: http://mywebsite.com/index/ the index page gets loaded, but the categories and the archives data that should get loaded from the base.html file does not. what am i doing wrong, please help.

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• INSERT INTO temporary table from sp_executsql

  - by gotqn

  Generally, I am bulding dynamic SQL statement that is executing using sp_executsql like this: EXEC sp_executesql @TempSQLStatement I need to insert the return result row set in something (table variable or temporary table), but I am getting the following error: Msg 208, Level 16, State 0, Line 1746 Invalid object name '#TempTable'. after executing this: INSERT INTO #TempTable EXEC sp_executesql @TempSQLStatement From what I have read, I believe the issue is caused because I am not specifying the columns of the temporary table, but I am not able to do this because the return columns count varies. I have read that I can use global temporary tables, but I have done this before and wonder is there an other way to do that.

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• Function call within XAML code?

  - by Matt H.

  I'd like to set a style on all my TextBox controls that does the following when it receives keyboard focus: 1) Change the background color 2) Call .SelectAll() to highlight all text I have this so far: <Style TargetType="TextBox"> <Style.Triggers> <Trigger Property="IsKeyboardFocusWithin" Value="True"> <Setter Property="Background"> <Setter.Value> <SolidColorBrush Color="#FFFFD1D9"/> </Setter.Value> </Setter> </Trigger> </Style.Triggers> </Style> Is there a way to also call .SelectAll() ? Thanks.

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• How to show multiple screens with right/left slide Gesture

  - by ajay sahu

  I am having an application in which i have a ListView .List is populated from an array list . On selection of each item it show the detail description for that item in a seperate screen populated data from another array list . A single screen is used to display details of all the items.it loads data from dynamically. Can anyone please tell me how can i display all details on same screen using right/left slide gesture. Screen with ListView -itemList Screen to display detail -detail listView on next and previous gesture it should dynamic data on screen 2detail list view from arraylist

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• Redirects in RoR: Which one to use?

  - by scrr

  Hello, we are making a website that takes a generated incoming link and forwards the user who is clicking on it to another website while saving a record of the action in our DB. I guess it's basically what ad-services like AdSense do. However, what is the best way to redirect the user? I think html-meta-tag-redirects are out of question. So what other options are there? head :moved_permanently, :location => "http://www.domain.com/" This one is a 301-redirect. The next one is a 302: redirect_to "http://www.domain.com" Are there any others? And which is best to use for our case? The links are highly-dynamic and change all the time. We want to make sure we don't violate any existing standards and of course we don't want search-engines to tag us as spammers (which we are not, btw). Thanks!

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• Watin testing of FckEditor

  - by Iyyengar

  I have been working on the integration testing of a webapp using watin. The webapp uses fckeditor as one of the richtext controls. Here is the piece of html of the viewsource of my webapp that includes fckeditor iframe id="ctl00_HeaderMain_txtSafetyNetDescription___Frame" src="/FCKEditor/editor/fckeditor.html?InstanceName=ctl00_HeaderMain_txtSafetyNetDescription&Toolbar=myApp" width="100%" height="200px" frameborder="no" scrolling="no" /iframe By using the watin script ... i am able to get the frame object with the following code. Frame frame = ie.Frame(Find.ById("ctl00_HeaderMain_txtSafetyNetDescription___Frame")) ; Now I want to write some text to the fckeditor. But i am not sure how to write to the fckeditor as it is a frame -- can someone help me on this. Thanks. Iyyengar.

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• I am not able to drop foreign key in mysql Error 150. Please help

  - by Shantanu Gupta

  i am trying to create a foreign key in my table. But when i executes my query it shows me error 150 Error Code : 1005 Can't create table '.\vts#sql-6ec_1.frm' (errno: 150) (0 ms taken) My Queries are Query to create a foreign Key alter table `vts`.`tblguardian` add constraint `FK_tblguardian` FOREIGN KEY (`GuardianPickPointId`) REFERENCES `tblpickpoint` (`PickPointId`) EDIT: Now I am trying to drop this constraint But it fails again and shows me same error as it was giving when i was trying to create foreign key. alter table `vts`.`tblguardian` drop index `FK_tblguardian` Primary Key table CREATE TABLE `tblpickpoint` ( `PickPointId` int(4) NOT NULL auto_increment, `PickPointName` varchar(500) default NULL, `PickPointLabel` varchar(500) default NULL, `PickPointLatLong` varchar(100) NOT NULL, PRIMARY KEY (`PickPointId`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 CHECKSUM=1 DELAY_KEY_WRITE=1 ROW_FORMAT=DYNAMIC Foreign Key Table CREATE TABLE `tblguardian` ( `GuardianId` int(4) NOT NULL auto_increment, `GuardianName` varchar(500) default NULL, `GuardianAddress` varchar(500) default NULL, `GuardianMobilePrimary` varchar(15) NOT NULL, `GuardianMobileSecondary` varchar(15) default NULL, `GuardianPickPointId` int(4) default NULL, PRIMARY KEY (`GuardianId`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1

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• CAN Controller DLL with Java Application. Unable to open CAN port.

  - by Joseph Lim

  I am creating a Java application that controls a Controller Area Network (CAN) controller via a vendor-supplied can.dll file. can.dll contains a function bool openPort(DWORD memAddr) that allows the application to establish connection with the CAN controller. I wrote a C++ test application, loaded can.dll via LoadLibrary and found this function to be working as it should, i.e. it returns true. However, in my Java application, calling this via JNI or JNA returns false. I hope someone can help me with this problem as I have been trying to fix this problem for more than a week. Thanks :) JL

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• How to increse performance of raster scrolling on Mac ?

  - by Max

  I have a game with a big raster map Now we are using jpeg (4900x4200) And durring the game we need to scroll through this map. We use the following: Class Map extends mx.containers.Canvas and mx.controls.Image on it In constructor we have: public function Map() { super(); image.source = ResourceManager.interactiveManager.map;//big image addChild(image); ...... } for scrolling we are use: if(parentAsCanvas==null){ parentAsCanvas = (parent as Canvas); } parentAsCanvas.verticalScrollPosition = newX; parentAsCanvas.horizontalScrollPosition = newY; In windows, we have very good performance. In Linux and Mac in flashplayer we have a good performance too. But in browsers performance is quite slow! What can we do to resolve it?

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• How to deny payment via PayPal IPN?

  - by Nick

  Hello all, I need to create dynamic 'Pay Now' buttons on my site, and PayPal says the way to do this is via an HTML FORM with preset variables for the price, currency, and item of the purchase. I use PayPal IPN to notify me when a payment has complete. However, what's to stop someone from modifying the query parameters of the Pay Now button to change the price? Some people have told me to redirect the button through a PHP file that sends you to a PayPal payment page with the parameters in place, but the price could just as easily be manipulated in the Web browser's address bar. My question is, how can I deny a payment if the information I receive from PayPal's IPN service is invalid (if the price doesn't match our records)? I'm quite confused and couldn't find any documentation on what I'm looking for. Hopefully, you guys can help. Thanks!

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• Python/Tkinter Audio Player

  - by Nicholas Quirk

  Hey everyone reading this, I've recently got into doing GUI development with Python. Tkinter seems like the easiest and most logical choice starting out. I did a little with wxPython but it was more sophisticated than what I needed. Anyway, I'm developing a media player. Right now it's a simple window with a button to load .wav files. The problem is I would like to implement a pause button now. But, when playing a audio file the GUI isn't accessible again (no buttons can be pushed) till the file is done playing. How can I make the GUI dynamic while an audio file is playing? I was thinking this maybe be because I'm using PyAudio, and their implementation doesn't allow this. Anyway, thanks for any advice before hand.

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• Excel > Microsoft Query > SQL Server > Multiple Parameters

  - by pojomx

  Hi, Im relatively new to sql server and excel/microsoft query, I have a query like this Select ...[data]...B1.b,B2.b,B3.b From TABLEA Inner join ( SELECT ---[data]...sum(...) as b From TABLEB WHERE Date between [startdate] and [enddate] ) as B1 Inner join ( SELECT ---[data]...sum(...) as b From TABLEB WHERE Date between [startdate-1week] and [enddate] ) as B2 Inner join ( SELECT ---[data]...sum(...) as b From TABLEB WHERE Date between [startdate-2weeks] and [enddate] ) as B3 Where Date between [startdate] and [enddate] It works, when i introduce the dates manually, but i need them to be "Dynamic" (introduced from excel) but, when I put the "?" (for parameters) on all the dates, it throws an error. "Invalid Parameter Number" :D How can i make this work, within excel? Im using SQL Server and Microsoft Query Connection Data.

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• Semantic stuff (RDF, OWL) on mobile phones - is it possible?

  - by Brian Schimmel

  I'm thinking about using semantic (web) technogies like RDF and OWL in an application on mobile devices. Currently I'm targeting android, but I'd also be interested in the possibilities on the iPhone and on J2ME. I would like to use a lib instead of implementing everything from scratch. I know that there are some libraries and frameworks like Jena, Redland, Protégé but they don't state on which platforms they are known to work. Having a dynamic object model and parsing from and to XML are must-haves for me. I'd also like to use reasoning, but I've been told it was rather computing-intensive, so that's only a nice-to-have. For all platforms mentioned, the question can be interpreted as Is it possible in theory (especially for J2ME I'm not sure) Are there libs that are known to work on those platforms? Is the performance on a mobile platform good enough for real world usage?

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• Ramifications of CheckForIllegalCrossThreadCalls=false

  - by Ron Skufca

  I recently updated an application from VS2003 to VS2008 and I knew I would be dealing with a host of "Cross-thread operation not valid: Control 'myControl' accessed from a thread other than the thread it was created on" I am handling this in what I beleive is the correct way (see code sample below). I am running into numerous controls that are going to need a similar fix. Not wanting to have similar code for every label, textbox etc.. that are being accessed by a non UI thread. What are the ramifications of just setting the CheckForIllegalCrossThreadCalls = false for the entire app? I found a CodeProject article with various workarounds and a warning at the bottom to NOT set the property. I am looking for other opinions/experiences on this issue. private void ShowStatus(string szStatus) { try { if (this.statusBar1.InvokeRequired) { BeginInvoke(new MethodInvoker(delegate() { ShowStatus(szStatus); })); } else { statusBar1.Panels[0].Text = szStatus; } } catch (Exception ex) { LogStatus.WriteErrorLog(ex, "Error", "frmMNI.ShowStatus()"); } }

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• Best Way to transfer data From one page to another In asp.net.

  - by Anish Karunakaran

  In my scenario am using java script popup that popups another form Which is an address Entry form of merely 20 Controls in it. Now am retrieving data from address page to main page by using a session variable which stores a data table of values. Two different Session variables are this way used for permanent and temporary addresses.. Using session variable degrades the performance i know.. What is the best way to transfer value from one page to another. Regards anish.

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• Variable height UIViews and labels

  - by Bob Spryn

  Ok so I'm not in a table cell at this point. (I've seen a lot of threads regarding the height of cells.) I have a detail view with a title and description at the top of the view, followed by a tableView below it. If the description is going to vary in length, how do I get the tableView to adjust with it accordingly so it always starts directly below it? I see apple doing this in the app store application. If you look at an application description (as if you were going to buy it), they have an application description, and wherever that ends a scrolling pane of screenshots follow. How do they do the varying height on the text description like that? Are they doing this all programmatically or can I use the layout controls in IB to do the same thing?

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• is there some PHP social crm, plugins, or frameworks?

  - by garcon1986

  Hello, What i need to do: I'm trying to realize social networking graph for companies, employees in CRM. They could have many complex relationships. A company can have its network like inverstors, partners, competitors and customers etc. I want to realize a dynamic social networking graph for it. And it has to be implemented by php. Right now, i know SugarCRM and vTigerCRM are php open source CRMs. And SugarCRM provides some social functions. And there are a lot of other CRMs, while i'm not sure if they are realized by php, such as: ACT!, Microsoft Dynamics, Oracle Siebel Social CRM, Salesforce, BatchBlue, Buzzient etc. Do you know any other php CRMs, especially php social CRMs? Thanks

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• calculate distance with linq or subsonic C# MVC

  - by minus4

  i have this MySQL statement from a search page, the user enters there postcode and it finds the nearest stiocklist within 15 MIles of the entered postcode. SELECT * , ( ( ACOS( SIN( "+SENTLNG +" * PI( ) /180 ) * SIN( s_lat * PI( ) /180 ) + COS( " + SENTLNG +" * PI( ) /180 ) * COS( s_lat * PI( ) /180 ) * COS( ( " + SENTLANG + " - s_lng ) * PI( ) /180 ) ) *180 / PI( ) ) *60 * 1.1515 ) AS distance_miles FROM new_stockists WHERE s_lat IS NOT NULL HAVING distance_miles <15 ORDER BY distance_miles ASC LIMIT 0 , 15 but now i am using linq and subsonic and not got a clue how do do this in linq or subsonic your help would be much appreciated, please also not that i have to sent in a dynamic from address, thats the postcode mentioned at the top of the page, i do a call to google to get then lng and lat from them for the postcode given.

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• Online Image Slideshow Question. File Access Problems.

  - by msandbot

  Hi, I have a flash .swf file that I embed on my webpage. On my server I have the .swf file and multiple image folders. I would like to load every file in one of those folders into the flash slideshow. How should I go about doing this? I tried used Air but it doesn't work on my system as an application so I doubt it will work online. Eventually I plan on making a menu where you can select different folders to display and since they are of different sizes, a foreach loop would be optimal. Keeping a txt file with the number of images is also possible if theres a way to read that in, but I would prefer the more dynamic approach. I am working towards using php for the website if that helps find a solution. Thanks, -Mike Also my slideshow works great online currently but i have to hardcode in the number of files.

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• Taming the malloc/free beast -- tips & tricks

  - by roufamatic

  I've been using C on some projects for a master's degree but have never built production software with it. (.NET & Javascript are my bread and butter.) Obviously, the need to free() memory that you malloc() is critical in C. This is fine, well and good if you can do both in one routine. But as programs grow, and structs deepen, keeping track of what's been malloc'd where and what's appropriate to free gets harder and harder. I've looked around on the interwebs and only found a few generic recommendations for this. What I suspect is that some of you long-time C coders have come up with your own patterns and practices to simplify this process and keep the evil in front of you. So: how do you recommend structuring your C programs to keep dynamic allocations from becoming memory leaks?

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• Reverting CoreData data

  - by ndg

  I have an NSTableView which is populated via a CoreData-backed NSArrayController. Users are able to edit any field they choose within the NSTableView. When they select the rows that they have modified and press a button, the data is sent to a third-party webservice. Provided the webservice accepts the updated values, I want to commit those values to my persistent store. If, however, the webservice returns an error (or simply fails to return), I want the edited fields to revert to their original values. To complicate matters, I have a number of other editable controls, backed by CoreData, which do not need to resort to this behaviour. I believe the solution to this problem revolves around the creation of a secondary Managed Object context, which I would use only for values edited within that particularly NSTableView. But I'm confused as to how the two MOC would interact with each other. What's the best solution to this problem?

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• How do I easily change hardcoded links to a file in Excel?

  - by phan

  I have a project where I maintain a list of all my students and their information in an Excel file labeled "BigList.xlsx". Then, I have about 40-50 other separate ancillary excel files that link to BigList by using vLookup. For example, in cell A1 of an ancillary file you might see a formula that looks like this: =Vlookup(B3, 'c:\documents and settings\user\desktop[BigList.xlsx]Sheet1'!$a$1:$b$10000,2,false). The vlookup link above references BigList.xlsx. However, I just realized that I need to change that file name to something else, like MasterDatabase.xlsm (notice the different extension). Is there an easy way to do this without having to manually go through all 40-50 files and doing a find & replace? I think the basic idea is to change a hardcoded link into a dynamic one where I can change the filename of BigList.xlsx anytime, and not have to go back through all 40-50 files to update their links.

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• How to check whether the form has any ShowDialog() forms open?

  - by kornelijepetak

  I have a form MainForm with several properties/methods that are accessed from another thread. At some point I might open a form AuxForm with ShowDialog() and then while that modal form is open, the other thread still modifies the MainForm's properties. This is all desired. In one of the methods accessed from another thread I need to execute some code, but only if the modal AuxForm is not open. Is there any way to check this (by using .NET WF Form properties) or I need to use a flag variable? NOTE: None of these properties/methods modify the controls (so no Invoke is required).

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• iphone facebook friend status.

  - by Syed Faraz Haider Zaidi

  NSMutableDictionary * params = [[NSMutableDictionary alloc] init]; [params setValue:@"100000********" forKey:@"uid"]; [params setValue:@"1500" forKey:@"limit"]; [params setValue:@"results" forKey:@"callback"]; when im using this coding im getting my friend status... but when im using a dynamic value like this : [params setValue:[NSString stringWithFormat:@"%@", a] forKey:@"uid"]; im getting this error The operation couldn’t be completed. (facebookErrDomain error 10000.) looking forward for your help guys....

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• jquery tabIndex fix

  - by Victor

  On my pages(ASP.NET 3.5) where all input controls have tab order set whenever next input control is not enabled or hidden it goes to the address bar and then to next available control. To fix this behavior, i.e. make it land to the next available control w/o going to address bar I am trying to use jQuery: $(':text,textarea,select').blur(function() { $(this).next(':text, textarea, select').filter(':enabled:visible').focus(); }); But it still goes to the adress bar in some cases. What do I need to correct here?

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