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• Cross domain AJAX requests using YQL

  - by nav

  Hi , I need to query a locations WOEID and grab the WOEID value from the xml returned. So the user would type e.g. London, UK and I need to load the query as below: http://query.yahooapis.com/v1/public/yql?q=select%20woeid%20from%20geo.places%20where%20text%20%3D%20%22London%2C%20UK%2C%20UK%22&format=xml After which I need to grab the WOEID…

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• How to optimize my PageRank calculation?

  - by asmaier

  In the book Programming Collective Intelligence I found the following function to compute the PageRank: def calculatepagerank(self,iterations=20): # clear out the current PageRank tables self.con.execute("drop table if exists pagerank") self.con.execute("create table pagerank(urlid primary key,score)") self.con.execute("create…

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• EXC_BAD_INSTRUCTION (SIGILL) at random during use of app. Bug in AppKit?

  - by Ger Teunis

  I'm currently testing a new version of an app of mine on OSX 10.5 An user reported some weird crashes during use of the application, sadly not reproducible by me. At first sight it seems to happen randomly, once he had the crash while opening an NSOpenPanel and once during focusing an NSTextField and once during NSView switch in a parent view.…

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• Android Map Performance poor because of many Overlays?

  - by Dave

  Hi, I have a map in my android application that shows many markers (~20-50). But the app performs very poor when i try to scroll/zoom (in Google Android Maps i did a sample search for pizza and there were also some 20-50 results found and i didn't notice any particular performance problems when zooming/scrolling through the map). Here is my…

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• How do I translate this Matlab bsxfun call to R?

  - by claytontstanley

  I would also (fingers crossed) like the solution to work with R Sparse Matrices in the Matrix package. >> A = [1,2,3,4,5] A = 1 2 3 4 5 >> B = [1;2;3;4;5] B = 1 2 3 4 5 >> bsxfun(@times, A, B) ans = 1 2 3 4 5 2 4 6 8 10 3 …

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• SQL DATEDIFF Not working!?

  - by James

  Hi all, I am running a simple DATEDIFF query but it doesn't seem to calculate the days properly or i'm doing something wrong. If I run PRINT DATEDIFF(Day, 2010-01-20, 2010-01-01) RETURN 19 Which is correct. If i change the month in the first date to Feb (02) I get something strange. PRINT DATEDIFF(Day, 2010-02-20, 2010-01-01) RETURN 20 …

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• Scale a Visual Brush Background WPF

  - by user279244

  Hello, I have a Item called MiniMap in my xaml. I have set the background of it to a visual brush representting a canvas Item. Now, I want to scale the background to a ratio 0.7 . How can I do it? Thanks in advance <local:MiniMap Width="201" Height="134" x:Name="MiniMapItem" MinHeight="100" MinWidth="100" Opacity="1"…

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• C++ floating point precision

  - by Davinel

  double a = 0.3; std::cout.precision(20); std::cout << a << std::endl; result: 0.2999999999999999889 double a, b; a = 0.3; b = 0; for (char i = 1; i <= 50; i++) { b = b + a; }; std::cout.precision(20); std::cout << b << std::endl; result: 15.000000000000014211 So.. 'a' is smaller than it…

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• WCF Service Error

  - by Sanjeev K B

  Hi, I have a WCF service deployed on a windows 2003 server. We are using a WPF application to consume this service. The trouble is if we deploy a new version of WCF service or leave the IIS and WPF application idle for sometime and then try to execute a functionality, we are get the following exception: The content…

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• R: NA/NaN/Inf in foreign function call (arg 1)

  - by Ma Changchen

  When i use a package named HydroMe to fit a model, some data groups will return the following errors: Error in qr.default(.swts * attr(rhs, "gradient")) : NA/NaN/Inf in foreign function call (arg 1) Actually,there is no missing value in the data groups. the codes are as followed: library(HydroMe)…

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• Choice of a deleted element at ListBox control

  - by Neir0

  Hi I have created a listbox control with following DataTemplate <DataTemplate x:Key="lb_Itemtemplate"> <DockPanel> <TextBlock Text="{Binding}" DockPanel.Dock="Left" /> <Button DockPanel.Dock="Right" Template="{StaticResource ButtonTemplate }" …

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• Intent and OnActivityResult causing Activity to get restart Actuomatically : Require to solve this issues

  - by Parth Dani

  i am having 20 imageview and i am having 20 button for them when i click any 1 button it gives me option to select image from gallery or camera when i select any option for example galley it will take me to the gallery and let me select image from their and let me display those images on my imageview…

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• Simplify CASE in VB.net code

  - by StealthRT

  Hey all, i am looking here to see if anyone would have a better way to acomplish this task below in less code. Select Case mainMenu.theNumOpened Case 1 Me.Text = "NBMsg1" Me.SetDesktopLocation(My.Computer.Screen.WorkingArea.Width - 302, 5) Case…

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• CodeIgniter crop() without maintain_ration

  - by Mango

  I have this function above witch even maintain_ration set false, cutting with this proportion. I just want crop without ratio. function do_crop() { $config = array( 'image_library' => 'gd2', 'source_image' => realpath(APPPATH . '../upload_img/solg6.jpg'), 'new_image' =>…

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• Why the CCLayer can't use a for loop in draw method??

  - by Tattat

  I have a CClayer, that have a draw method, every second, it will call the draw method 60 times. So, I have method like this: -(void)draw{ glEnable(GL_LINE_SMOOTH); glColor4f(0.0f, 1.0f, 0.0f, 1.0f); glLineWidth(5.0f); ccDrawLine(ccp(300,20), CGPointZero); } I work great. but…

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• Django South Foreign Keys referring to pks with Custom Fields

  - by Rory Hart

  I'm working with a legacy database which uses the MySQL big int so I setup a simple custom model field to handle this: class BigAutoField(models.AutoField): def get_internal_type(self): return "BigAutoField" def db_type(self): return 'bigint AUTO_INCREMENT' # Note this…

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• Cron syntax with Java EE 5?

  - by marabol

  Timer Tasks in Java EE are not very comfortable. Is there any util, to configure timer with cron syntax like "0 20 20 * * "? I wonder, if it would be a good way to use Quartzinside (clustered) JEE application. According to http://www.prozesse-und-systeme.de/serverClustering.html (german page)…

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• Working with expression AST:s

  - by Marcus

  Hi, Is there any best practice when working with AST:s? I have a parsed expression AST. ConstantExpression, BinaryExpression etc. I want to populate a GUI-dialog with information from the AST, and it's here where I get kinda confused because my code gets pretty messy. Example: expression =…

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• PHP and regular expressions question?

  - by php

  What does the $/i mean in the following php code? preg_match ('/^[A-Z \'.-]{2,20}$/i')

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• Diophantine Equation

  - by lakshmi

  Show that it is possible to buy exactly 50, 51, 52, 53, 54, and 55 McNuggets, by finding solutions to the Diophantine equation. You can solve this in your head, using paper and pencil, or writing a program. However you chose to solve this problem, list the combinations of 6, 9 and 20 packs of…

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• Slow Execution of an ASP.NET Web Page

  - by Sweta Jha

  I have a web page which brings 13K+ records in 20 seconds. There is a menu on the page, clicking on which navigates me to another page which is very lightweight. Displaying the data (13K+) took only 20 seconds whereas navigating from that page took much longer, more than 2 mins. Can you tell…

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• t-sql i am transforming data

  - by João Pedro Portelinha

  I am transforming data from this legacy table: MovTime (IdMov INT, IdPerson NVARCHAR(20), Date1 datetime, Type1 nvarchar(30) ) IdMov IdPerson Date1 Type ----------- -------------------- ----------------------- ------------------------------ 1 …

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• Web Safe Area (optimal resolution) for web app design

  - by M.A.X

  I'm in the process of designing a new web app and I'm wondering for what 'web safe area' should I optimize the app layout and design. I did some investigation and thinking on my own but wanted to share this to see what the general opinion is. Here is what I found: Optimal Display…

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• Date Picker Blue

  - by Matt Winters

  I'm successfully setting a date-picker with an initial date from a plist, but I see some unwanted blue values in the month, day, and year components, presumably corresponding to current date. So if today is April 18, 2010 and initial date being set is March 19, 2008, it looks like…

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• zf2 \Zend\Db\Sql\Sql using predicate in where condition

  - by RomanKonz

  i really don't get the point how to use predicates in zend framework 2. this is what i got: $sql->select() ->columns(array('GroupedColum' ,'minValue' => new Expression('min(ValueColumn)'))) ->from('ValueTable') …

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