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• How to utilize network for p2p file sharing on Android Platform?

  - by CSharperWithJava

  I'm working on some apps for the android platform and I have two problems that I'm not quite sure how to approach, and both are closely related. How can I send a relatively small data file from one android device to another (preferably over the internet or directly through wireless network)? Is it possible to create a temporary p2p live data stream from one android device to another? An example application would be to stream low-res video from phone A's camera to phone B, or audio. I would much appreciate being pointed in the right direction on either issue (File transfer or real time data transfer).

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• How to implement dynamic changing password for this scenario?

  - by Mike108

  What is the Best practice of dynamic changing password for this scenario? The scenario is: There are three web apps using ASP.NET. App1 checks the passwords of app2/app3 to authenticate the identity, and if app2/app3 is authenticated then app1 is allowed to receive information from App2 and App3. And app1 has to change the passwords of app2/app3 every two hour for security reason. Is it possible that there is a way to implement this scenario without app1 saving the passwords of app2/app3 for security reason? Or is there any best practice for dynamic changing password scenario?

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• Multiple .NET processes memory footprint

  - by mr.b

  I am developing an application suite that consists of several applications which user can run as needed (they can run all at the same time, or only several..). My concern is in physical memory footprint of each process, as shown in task manager. I am aware that Framework does memory management behind the curtains in terms that it devotes parts of memory for certain things that are not directly related to my application. The question. Does .NET Framework has some way of minimizing memory footprint of processes it runs when there are several processes running at the same time? (Noobish guess ahead) Like, if System.dll is already loaded by one process, does framework load it for each process, or it has some way of sharing it between processes? I am in no way striving to write as small (resource-wise) apps as possible (if I were, I probably wouldn't be using .NET Framework in the first place), but if there's something I can do something about over-using resources, I'd like to know about it.

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• Related objects in reportingviewer 10.0.0.0 give #error

  - by Bart-Jan Poirot

  In my VB.net apps i make use of Linq2SQL and Reportviewer with RDLC reports. With Visual Studio 2010 they upgraded this reportviewer component so you can use the newer RDL specification from 2008. Now I've a problem to show related objects. For example assume you provide an order to the datasource of the report and then you can show something like Fields!Customer.Value.Name where Customer is a related entity. I also got the error in my immediate window: *Warning: The Value expression for the textrun ‘Name_1.Paragraphs[0].TextRuns[0]’ contains an error: The specified operation is not valid. (rsRuntimeErrorInExpression)*

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• how to run existing symfony 1.4.18 project in localhost

  - by nickleefly

  I have all the symfony 1.4.18 source file in a folder called symfony. And I have the database. under this symfony folder it has apps, cache, config, data, lib, log, plugins, test, web, .gitignore, symfony what all i need to do to make it work in another shared host server? how can i make it run in localhost ? the config file is the following Under the config folder, vhost.conf file DocumentRoot /var/www/vhosts/example.com/httpdocs/web <Directory /var/www/vhosts/example.com/httpdocs/web> Options +FollowSymlinks php_admin_value open_basedir "/var/www/vhosts/example.com/httpdocs:/tmp:/usr/local/php:/usr/share/pear" </Directory> properties.ini file [prod] host=youripaddress port=22 user=yourusername dir=/var/www/vhosts/example.com/httpdocs/ type=rsync password=yourpassword databases.yml all: doctrine: class: sfDoctrineDatabase param: dsn: 'mysql:host=localhost;dbname=yourdbname' username: yourdbusername password: yourdbpassword attributes: default_table_type: InnoDB default_table_collate: utf8_unicode_ci default_table_charset: utf8 use_dql_callbacks: true

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• How to fix the header and first row in a UITableView

  - by Arturo Guzman

  I´m new trying to make some apps using objective c, so I´ve an idea using uitableview but I don't imagine how can I get this. I´m trying to do something like you do in a spreadsheet where you have a fixed header and the first column too So when scroll the uitableview vertically the header will stay visible at top of the table and rows will change And finally when you scroll in horizontal direction the first cell of the row will stay visible and will change the header depending of how you scroll the uitableview I hope you could give me an idea how to get this, because I don't imagine how to do this, also I don´t have a lot of experience with this programming language. Thanks!

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• Rails - building an absolute url in a model's virtual attribute without url helper

  - by Nick

  I have a model that has paperclip attachments. The model might be used in multiple rails apps I need to return a full (non-relative) url to the attachment as part of a JSON API being consumed elsewhere. I'd like to abstract the paperclip aspect and have a simple virtual attribute like this: def thumbnail_url self.photo.url(:thumb) end This however only gives me the relative path. Since it's in the model I can't use the URL helper methods, right? What would be a good approach to prepending the application root url since I don't have helper support? I would like to avoid hardcoding something or adding code to the controller method that assembles my JSON. Thank you

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• Alternative to BerkeleyDB?

  - by John

  I'm looking for a dbm-like library that I can use in place of Berkeley DB, which I'm currently using. My main reason for switching is the licensing fees for BDB are pretty high (free for open source apps, but my employer does not want to open source this particular app for various reasons). I've looked briefly at qdbm but it doesn't look like it will fill my needs -- lots of keys (several million) and large data items ( 1-5 megabytes). Before I continue my search I figured I'd ask because it seems there are tons of dbm-like libraries out there.

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• Choosing MooTools over Google closure?

  - by Shekhar

  I am in a process to select javascript library for our new web application. This app is not very UI heavy but has forms, reports, search, calendars, tabs and target multiple countries like most web apps. We are a tiny team. Biggest concern is maintainability and readability of the code. We are Python programmers. After evaluating many other javascript frameworks we have narrowed down to mootools and google-closure. We loved mootools syntax. It took us no time to learn. It's like Python. On other hand we were stumped seeing private/public in google closure. It's tempting to go for mootools however, I would love to hear from you about specific advantages these frameworks offer over each other.

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• Programmitically accessing internal storage (not SD card) on Verizon HTC Droid Incredible (Android)

  - by tliebeck

  Hello, I'm trying to find information on how to programmatically access the HTC Droid Incredible's supposed 8GB of internal storage. To determine the external storage (SD Card) location, I'm using android.os.Environment.getExternalStorageDirectory(). I've not been able to find any corollary for internal phone storage. In examining HTC/Google Nexus One, Motorola Droid, and HTC Dream/G1 phones, there (as would be expected) does not appear to be any mount point for such arbitrary internal storage. On these phones the internal storage is divided amongst /data, /system, and /cache partitions. The Incredible's internal storage is certainly not going to be located in /system. /cache is also unlikely given that it is globally non-readable/non-executable. I'd read in reviews that the phone will still be limited to 512MB or so for apps, suggesting that it is not simply a subdirectory of /data. Any suggestions would be greatly appreciated. I do not have access to a Droid Incredible unit myself, of course.

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• Facebook proxy email not arriving -- do I need permissions?

  - by Felix

  I'm building a website that allows user to connect using Facebook Connect. So far I'm able to log the user in and fetch data about them (name, email, pic, etc.). If I fetch the email (using Users.getInfo) I get a proxied email ([email protected]), which is absolutely great. Problem is, that email doesn't work. I've tried sending an email to it and I never received it. There are two reasons I see that could cause this: I don't have enough permissions. Ok, I can understand that, but if I don't have enough permissions then why are they returning an email at all? The email has to be somehow sent from the application itself (I've tried sending it from my Gmail account) -- but how would Facebook know that the email is coming from the application? So which is it? Or is it something else?

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• Mac OS X: How to change word separator characters?

  - by avetis.kazarian

  Depending on your system, the word separator characters change the way you can select/delete a word (e.g. by double clicking on it or using a key combination with your keyboard). The fact is that I hate the default behavior of OSX. For example: Take the following line of code: obj.attr1.innerAttr. If my cursor is at the end of the line and I press alt + backspace, it will delete everything and not just innerAttr. I only found some apps (like iTerm) which let you change the word separator characters. Is there a way to change it for the whole system?

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• Super Cam iphone app how do they make it possible?

  - by Silent

  there is an iphone app called supercam and you can get it through the app store free. This app features a way to connect your webcam or dv cam that is connected on the internet, you could set up the ip address and enter the data on the app and it will connect to your online camera. the thing is that they have the video stream and it looks like they embedded the video in a uiview or webview at the bottom they have buttons to choose from all the cameras you have set up. so this is different from other video streaming apps because it does not play the video from the full screen mode (MPMediaPlayer API) would there be any tutorials about this or somehow take reverse engineer this?

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• iPhone SDK - How is data shared in a universal app

  - by norskben

  Stack overflow I want to make a universal version of my app available, but I am wondering how is data managed between the iPad and the iPhone versions? -Are they completely independent? or if I have a plist in the iPad app, does it also appear in the iPhone app. If so, is there any syncing etc etc. I have a few months experience with single iPad or iPhone apps, but never a universal. Thanks again. UPDATE: I was interested in the files in the /Documents folder, does this automatically update on itunes syncing at all?

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• What should I know to begin Developing Applications with smart card

  - by Muhammad Nour

  I am using .Net 2.0 C# The Reader is ACR83 which can be found hxxp://www.acs.com.hk/index.php?pid=product&id=ACR83 and for the Card it self I am using ACOS3-32 also from the same company hxxp://www.acs.com.hk/index.php?pid=product&id=ACOS3 Also I have a .net wrapping for the local winscard api from the vendor SDK ok, this is my first time developing apps with smart card I need to Know what should I know to begin developing applications using smart card for now I need to use the smart card for authentication in a login process in a simple login form what should I put on the card and how should I read the contents from it also I need to encrypt the contents

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• How to refresh an activity? Map View refresh fails

  - by poeschlorn

  Hi Guys, after implementing some Android Apps, including several Map activities, I try to refresh the activity when the GPS listener's onLocationChanged() mehtod is called. I have no idea how to tell the map activity to refresh on its own and display the new coords... the coords to store will have to be in global values, so that the location listener will have access to it. In my sample GPS-class (see code below) I just changed the text of a text view....but how to do that in map view? private class MyLocationListener implements LocationListener { @Override public void onLocationChanged(Location loc) { final TextView tv = (TextView) findViewById(R.id.myTextView); if (loc != null) { tv.setText("Location changed : Lat: " + loc.getLatitude() + " Lng: " + loc.getLongitude()); } } I think the solution of this Problem won't be very difficult, but I just need the beginning ;-) This whole app shall work like a really simple navigation system. It would be great if someone could help me a little bit further :) nice greetings, Poeschlorn

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• Where should I set generatePublisherEvidence to false in an asp.net app?

  - by Quintin Par

  To reduce the loading time this blog suggests we set generatePublisherEvidence to false in the app.config for executables. <configuration> <runtime> <generatePublisherEvidence enabled="false"/> </runtime> </configuration> Where do I set it for web apps? The blog suggests that this does not go to the web.config. Where else should I put it?

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• How do I convert a windows forms app from C# to VB ?

  - by SLC

  I've been converting all kinds of other things, classes, interfaces, ASP.NET MVC apps, and WPF applications, but I am stumped as to how to convert a windows forms application, as the whole structure seems to be different. Does anyone have any advice on how to tackle this problem? I see essentially that you have two files, Form1.cs and Form1.Designer.cs. Literally translating them from C# to VB doesn't work because of some intricacies or other of how Visual Basic works. I think you /might/ be able to convert Form1.cs in this way, as it's just a constructor plus event handlers, but the designer contains the references to the controls etc. and I am not sure how to go about doing that. I am using Visual Studio 2010 Beta 2.

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• iPhone App Crash - Error ?

  - by Skinkemus

  Hi there.. Im new im making in making iPhone apps so i have no idea what this error means ? I saw another post with this error but i couldn't figure out how to get it right.. i get this error: Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[ setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key ImageView.' and i have no clue what this means ? 0.o can some help me here ? Thanks!

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• Determining a location's side of the road position with MapKit

  - by idStar

  Is there a way to use MapKit in iOS7 to not only get geocoding for an address, but determine what side of the road it is on? I'm not trying to build a full function navigation app, but similar to navigation apps that tell you things like "Your destination is in 100 feet on the right", I'd like to be able to obtain this information. Does MapKit give one a way to do this? Do I need to adopt routing privileges to access such, or is this just not available in the SDK period? If not available in the iOS7 SDK, knowing what options exist as services, would be a helpful pointer.

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• How can I avoid Windows 8.1 resetting my font size?

  - by Michael Tsang

  I am using Windows 8.1 on my laptop, which has a 15.6" screen with resolution 1366x768. I measured the screen with a ruler and calculated its DPI, which is 101. Therefore, I have set the scaling to 105%. However, when I change to an external monitor, which is a huge one with resolution 1920x1080 and DPI 93, I need to change the scaling to 97% but when I change the DPI back and forth, my font sizes have get resetted. I prefer using font sizes 14 on my title bars, message boxes and icons and font sizes 13 on my palette titles, menus and tooltips. However, as my laptop screen is too small, in order to make my apps fit on screen, I use font sizes 12 on my title bars, message boxes and icons and font sizes 11 on my palette titles, menus and tooltips. I don't know why I can't resize the window to make it larger than my screen in Windows (but it is possible in Kubuntu), therefore, some parts of my apps cannot be shown with my preferred font size. I have tried changing both the DPI and the font size by using .reg files. Before switching to my laptop screen, I apply the following: Windows Registry Editor Version 5.00 [HKEY_CURRENT_USER\Control Panel\Desktop] "LogPixels"=dword:00000065 [HKEY_CURRENT_USER\Control Panel\Desktop\WindowMetrics] "CaptionFont"=hex:ef,ff,ff,ff,00,00,00,00,00,00,00,00,00,00,00,00,bc,02,00,00,\ 00,00,00,01,00,00,05,00,53,00,65,00,67,00,6f,00,65,00,20,00,55,00,49,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00 "SmCaptionFont"=hex:f0,ff,ff,ff,00,00,00,00,00,00,00,00,00,00,00,00,bc,02,00,\ 00,00,00,00,01,00,00,05,00,53,00,65,00,67,00,6f,00,65,00,20,00,55,00,49,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00 "MenuFont"=hex:f0,ff,ff,ff,00,00,00,00,00,00,00,00,00,00,00,00,90,01,00,00,00,\ 00,00,01,00,00,05,00,53,00,65,00,67,00,6f,00,65,00,20,00,55,00,49,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00 "StatusFont"=hex:f0,ff,ff,ff,00,00,00,00,00,00,00,00,00,00,00,00,90,01,00,00,\ 00,00,00,01,00,00,05,00,53,00,65,00,67,00,6f,00,65,00,20,00,55,00,49,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00 "MessageFont"=hex:ef,ff,ff,ff,00,00,00,00,00,00,00,00,00,00,00,00,90,01,00,00,\ 00,00,00,01,00,00,05,00,53,00,65,00,67,00,6f,00,65,00,20,00,55,00,49,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00 "IconFont"=hex:ef,ff,ff,ff,00,00,00,00,00,00,00,00,00,00,00,00,90,01,00,00,00,\ 00,00,01,00,00,05,00,53,00,65,00,67,00,6f,00,65,00,20,00,55,00,49,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00 "AppliedDPI"=dword:00000065 Before switching to my external display, I apply this: Windows Registry Editor Version 5.00 [HKEY_CURRENT_USER\Control Panel\Desktop] "LogPixels"=dword:0000005d [HKEY_CURRENT_USER\Control Panel\Desktop\WindowMetrics] "CaptionFont"=hex:ed,ff,ff,ff,00,00,00,00,00,00,00,00,00,00,00,00,bc,02,00,00,\ 00,00,00,01,00,00,05,00,53,00,65,00,67,00,6f,00,65,00,20,00,55,00,49,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00 "SmCaptionFont"=hex:ee,ff,ff,ff,00,00,00,00,00,00,00,00,00,00,00,00,bc,02,00,\ 00,00,00,00,01,00,00,05,00,53,00,65,00,67,00,6f,00,65,00,20,00,55,00,49,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00 "MenuFont"=hex:ef,ff,ff,ff,00,00,00,00,00,00,00,00,00,00,00,00,90,01,00,00,00,\ 00,00,01,00,00,05,00,53,00,65,00,67,00,6f,00,65,00,20,00,55,00,49,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00 "StatusFont"=hex:ef,ff,ff,ff,00,00,00,00,00,00,00,00,00,00,00,00,90,01,00,00,\ 00,00,00,01,00,00,05,00,53,00,65,00,67,00,6f,00,65,00,20,00,55,00,49,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00 "MessageFont"=hex:ed,ff,ff,ff,00,00,00,00,00,00,00,00,00,00,00,00,90,01,00,00,\ 00,00,00,01,00,00,05,00,53,00,65,00,67,00,6f,00,65,00,20,00,55,00,49,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00 "IconFont"=hex:ed,ff,ff,ff,00,00,00,00,00,00,00,00,00,00,00,00,90,01,00,00,00,\ 00,00,01,00,00,05,00,53,00,65,00,67,00,6f,00,65,00,20,00,55,00,49,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,\ 00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00 "AppliedDPI"=dword:0000005d I expect after applying the file, the DPI settings and the font sizes take effect at the next sign in. However, on my laptop screen, after I applied the file, signed out and in, the DPI setting changed, but the font sizes were resetted to tiny, and I had to apply the same file, signed out and in again to get the correct font size. The situation is even worse on my external monitor. After I applied the file, signed out and in, both the DPI setting and the font sizes were resetted to their default values, which were 96 DPI (the physical DPI as measured by dividing the resolution by the physical size is 93) and font size 9, which is totally unacceptable. How can I write the .reg files such that the settings can be correctly applied with a single sign in?

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• send keystrokes from iphone to PC

  - by Matt Facer

  hi guys. I'm looking to create a simple app which will send keystrokes from an iphone to a PC. I understand that I will need to have a program on my PC "listening"... I've been looking in to AsyncSocket and NSStream, but there are no tutorials which really make it clear to understand. Does anyone know if this is right? I basically want to interact with a program on my PC which listens for keystrokes to control it. Does anyone know of a tutorial or place where I could start to learn this? (I've written iphone apps before, but I am new to networking)

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• Codeigniter - form not rendering on live server?

  - by pingu

  hi guys, I've written a small website with CI, which is all working fine on dev. However, when I copy the files over for live, everything works except for my form which is not being rendered. I am using <?php echo form_open('home'); ?> and <?php echo form_close(); ?> The form fields within the form, which I'm generating as follows are being rendered fine, but there is simply no form around them?! <?php $data = array( 'name'=> 'name', 'id'=> 'name', 'class'=>'textfield', 'value' => set_value('name') ); echo form_input($data); ?> Any ideas - I've used CI on a few apps, and this is the first time I've come across this issue. I've got all the helpers etc called correctly, as this is working perfectly in the development environment.

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• 3-legged-oauth and Google ContactsClient problem

  - by PanosJee

  Hi I am using 3-legged-oauth to import a users' Google contacts in my app. I did not find the ContactsClient library but i was using only the ContacsService and i was fetching the ContactsFeed but that resulted to not having a lot of data. After the user allows my apps i store the auth_token key and secret so i can run a cron task to fetch contacts' updates I am using this code atm: google = gdata.contacts.service.ContactsService(source=GOOGLE_OAUTH_SETTINGS['APP_NAME']) google.SetOAuthInputParameters(GOOGLE_OAUTH_SETTINGS['SIG_METHOD'], GOOGLE_OAUTH_SETTINGS['CONSUMER_KEY'], consumer_secret=GOOGLE_OAUTH_SETTINGS['CONSUMER_SECRET']) access_token = gdata.auth.OAuthToken(user_oauth_token, user_oauth_secret) access_token.oauth_input_params = google.GetOAuthInputParameters() google.SetOAuthToken(access_token) feed = google.GetContactsFeed() When i try to use the contacts client contacts_client = gdata.contacts.client.ContactsClient( source=GOOGLE_OAUTH_SETTINGS['APP_NAME']) feed2 = contacts_client.GetContacts(auth_token = access_token) I get the following error (please note that the access_token is the same as above and I user 3-legged-oauth HMAC) Actual results: File "/Library/Python/2.5/site-packages/atom/client.py", line 108, in request auth_token.modify_request(http_request)

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• geographic location uri scheme

  - by diciu

  I'd like to use a URI scheme to enable the users of one of my apps to share geographic locations. I don't want to invent my own URI scheme and "geo" seems the most appropriate but there are only two Internet Drafts on the subject (draft-mayrhofer-geo-uri-01, draft-mayrhofer-geo-uri-02), both expired and wildly different in the way they approach the standard. Is there an URI that's suited for encoding latitude and longitude and that made it as an RFC? Should I use a generic URI such as the tag URI scheme?

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