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  • How do you access country/state/province polygons in google maps api?

    - by wmh1108
    I have fairly large map overlay that I am displaying over the google maps data but would still like to see the country/state/province lines through my overlay (so the lines would essentially be on top of my overlay). As I understand, these lines are simply polygons drawn over the maps. Is there any way to access these? If so, how do I get them to show up through my overlay images?

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  • Network bandwidth bottleneck for sorting of mapreduce intermediate keys?

    - by Zubair
    I have been learning the mapreduce algorithm and how it can potentially scale to millions of machines, but I don't understand how the sorting of the intermediate keys after the map phase can scale, as there will be: 1,000,000 x 1,000,000 : potential machines communicating small key / value pairs of the intermediate results with each other? Isn't this a bottleneck?

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  • How do I provide basic configuration for a Scala application?

    - by Dave
    I am working on a small GUI application written in Scala. There are a few settings that the user will set in the GUI and I want them to persist between program executions. Basically I want a scala.collections.mutable.Map that automatically persists to a file when modified. This seems like it must be a common problem, but I have been unable to find a lightweight solution. How is this problem typically solved?

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  • Sql Server query performance

    - by Macros
    I have a stored procedure on a busy database which constantly come out top in the list of expensive queries (by some way). The query is very simple, it takes a single parameter (@ID, int) which is the primary key of the table, and selects the record that matches that ID. The primary key is an identity field with a clustered index, so I am stumped as to how to optimise this any further? The query is as follows CREATE PROCEDURE [dbo].[P_Call_Get] @ID int = null AS select ID, AppID, AgentID, AgentLogin, Ext, VDN, VDNName, Skill, SkillName, CallFrom, TelNoFrom, ParentCallID, CallStart, ACWStart, CallEnd, Outcome, StageID, TxTo, TxSuccess, ServiceID, DiallerID, CRC, TSCallID, CallDirection, [Manual], CallBackAgent, CallBackDateTime, Notes from P_Call where (ID = @ID or @ID is null) Not sure the best way to post the execution plan - all it shows is that 100% of the operation is taken up by the clustered index scan

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  • Changing the block size of a dfs file in Hadoop

    - by Sam
    I found that my map tasks is currently inefficient when parsing one particular set of files (total 2 TB). I'd like to change the block size of files in the Hadoop dfs (from 64MB to 128 MB). I can't find how to do it in the documentation for only one set of files and not the entire cluster, does anyone know the command that would change the block size when I upload it (ie copy from local to the dfs)? Thanks!

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  • SQL insert default value

    - by Stan
    Say if I have a table like CREATE TABLE [Message] ( [MessageIdx] [int] IDENTITY (1, 1) NOT NULL , [Message] [varchar] (1024) COLLATE Latin1_General_CI_AS NOT NULL , [ValidUntil] [datetime] NULL , CONSTRAINT [PK_Message] PRIMARY KEY CLUSTERED ( [MessageIdx] ) WITH FILLFACTOR = 90 ON [PRIMARY] ) ON [PRIMARY] GO I am trying to insert value without specify column names explicitly. Below statement causes error. How can I do that? Thanks. set identity_insert caconfig..fxmessage on; insert into message values (DEFAULT,'blah',DEFAULT); set identity_insert caconfig..fxmessage off;

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  • rspec nested ( has many resource ) no route found error

    - by Surya
    My calendar resource is a nested resource under profile map.resources :profiles, :has_many=>[:calendar] I am trying to write a rspec spec for calendarcontroller it "should use supplied date" do get :show , :month = '09' , :year = '2010' end But i get an error stating No route matches {:month="09", :year="2010", :controller="calendar", :action="show"} Any idea how i could get around this ?

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  • level of control of the os on the phone hardware

    - by gurnisht
    Hello. I am new to Android and mobile phones development. I want to develop an application that needs to have a total control over the "phone" of the smartphone, i.e. controlling all the communication of the GSM chip with the cellular system, accessing the SIM card identity that it sends (encrypted) to the cellular system, disabling the cellular antenna and resuming it back, and more of that kind... Can it be done with Android? Does the software (OS) have control over all of the phone components in a smartphone, or there are some parts that are done in the hardware level only? (I guess that the Android API won't enable me to do everything i want, but even theoretically is it possible if I recompile the OS after making the changes there?) Thanks!

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  • Alternative to Plist file(iphone) in blackberry application

    - by user336058
    Hi, I have a iphone application developed, and now i want to replicate the same iphone application on blackberry. In the existing application iphone application, we have the plist file, where we maintain certain values like server address, map url etc. All default values are saved in plist. Please can you give me an alternative similar to plist in blackberry.

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  • How Would you Mimic an Arbitrary Directory Structure with Rails Routes?

    - by viatropos
    I want to be able to map Google Docs' folder system to urls in my application and am just wondering how I can say "route, I want you to match an arbitrary set of nodes, and the last one is the file (or possibly a directory, I can check in the controller)". So I could do things like: www.mysite.com/documents/folder1/childfolderA/document www.mysite.com/documents/root-level-doc Can the routes.rb file do something like this?

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  • R programming function without ()

    - by Mark Kennedy
    So, I Have the following very simple map.r file. I'm trying to have the user type "click" in interactive mode and then have the function . Since it's a function, the user has to type "click()" how can I make it so that they only have to the word (w/o parentheses), and then have that function do something with the img. So the user types: mydist("image.pnm") click //And then the function click does what it's supposed to mydist <- function(mapfile) { img <- read.pnm(mapfile) plot(img) } click <- function() { //Prompt user to click on img }

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  • Python: How can I read in the characters from a line in a file and convert them to floats and strs, depending on if they are numbers or letters?

    - by user1467577
    I have a file that looks like: 1 1 C C 1.9873 2.347 3.88776 1 2 C Si 4.887 9.009 1.21 I would like to read in the contents of the file, line-by-line. When I only had numbers on the lines I used: for line in readlines(file): data = map(float, line.split) But this only works when all the elements of line.split are numbers. How can I make it store the letters as strings and the numbers as floats?

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  • Confused about distinct/aggregate queries with (N)Hibernate

    - by nw
    I'm not sure how to approach queries that don't map 1:1 to my persistent entities - in other words, distinct and aggregate queries. For example, I need to retrieve a distinct list of property values for populating a drop-down list. Should I write a class and a mapping for the "entities" that are returned by this query? Or should I just use the native DB provider and work with native data sets instead?

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  • Problems when trying to submit iphone app

    - by ryug
    I'm a fairly new developer. When I try to submit my iphone app with xcode, I've got error as follows; Code Sign error: The identity 'iPhone Distribution' doesn't match any valid, non-expired certificate/private key pair in the default keychain After searching, I found out that I have to create a Distribution Provisioning Profile. However, my distribution provisioning profile doesn't work, even though my Development Provisioning Profile works perfectly. Could someone please help me with this problem? I'm stuck all day... and please forgive me that my English is not great. Thank you in advance.

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  • Why is [date] + [time] non-deterministic in SQL Server 2008?

    - by John Gietzen
    I'm trying to do the following for my IIS logs table: ALTER TABLE [W3CLog] ADD [LogTime] AS [date] + ([time] - '1900-01-01') PERSISTED However, SQL Server 2008 tells me: Computed column 'LogTime' in table 'W3CLog' cannot be persisted because the column is non-deterministic. The table has this definition: CREATE TABLE [dbo].[W3CLog]( [Id] [bigint] IDENTITY(1,1) NOT NULL, ... [date] [datetime] NULL, [time] [datetime] NULL, ... ) Why is that non-deterministic? I really need to index that field. The table currently has 1598170 rows, and it is a pain to query if we can't do an index seek on the full time. Since this is being UNION'd with some other log formats, we can't very easily just use the two columns separately.

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