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• How to get the Android device's primary e-mail address

  - by Seu

  How do you get the Android's primary e-mail address (or a list of e-mail addresses)? It's my understanding that on OS 2.0+ there's support for multiple e-mail addresses, but below 2.0 you can only have one e-mail address per device.

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• Running shell scripts with sudo through my web app

  - by nfm

  I have some functionality that interfaces with the server's OS in my web application. I've written a bash script and am able to run it from within my app. However, some functionality of the script requires superuser privileges. What is the most sane way to run this script securely? It is being passed arguments from a web form, but should only be able to be called by authenticated users that I trust not to haxxor it.

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• Android sdk download/update failing

  - by tad604

  I'm trying to update and install the latest Android SDK (API 8) and keep getting the following error: Failed to fetch URL https://dl-ssl.google.com/android/repository/repository.xml, reason: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target I'm running on OS X 10.6.3 If I visit the url in a browser I'm not getting any errors about an untrusted cert.

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• Displaying a notification when bluetooth is disconnected - Android

  - by Ryan T

  I am trying to create a program that will display a notification to the user if a Blue tooth device suddenly comes out of range from my Android device. I currently have the following code but no notification is displayed. I was wondering if it was possible I shouldn't use ACTION_ACL_DISCONNECTED because I believe the bluetooth stack would be expecting packets that state a disconnect is requested. My requirements state that the bluetooth device will disconnect without warning. Thank you for any assistance! BluetoothNotification.java: //This is where the notification is created. import android.app.Activity; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.app.Activity; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.os.Bundle; public class BluetoothNotification extends Activity { public static final int NOTIFICATION_ID = 1; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); /** Define configuration for our notification */ int icon = R.drawable.logo; CharSequence tickerText = "This is a sample notification"; long when = System.currentTimeMillis(); Context context = getApplicationContext(); CharSequence contentTitle = "Sample notification"; CharSequence contentText = "This notification has been generated as a result of BT Disconnecting"; Intent notificationIntent = new Intent(this, BluetoothNotification.class); PendingIntent contentIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0); /** Initialize the Notification using the above configuration */ final Notification notification = new Notification(icon, tickerText, when); notification.setLatestEventInfo(context, contentTitle, contentText, contentIntent); /** Retrieve reference from NotificationManager */ String ns = Context.NOTIFICATION_SERVICE; final NotificationManager mNotificationManager = (NotificationManager) getSystemService(ns); mNotificationManager.notify(NOTIFICATION_ID, notification); finish(); } } Snippet from OnCreate: //Located in Controls.java IntentFilter filter1 = new IntentFilter(BluetoothDevice.ACTION_ACL_DISCONNECTED); this.registerReceiver(mReceiver, filter1); Snippet from Controls.java: private final BroadcastReceiver mReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); if (BluetoothDevice.ACTION_ACL_DISCONNECTED.equals(action)) { //Device has disconnected NotificationManager nm = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); } } };

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• How to ensure/determine that a post is coming from an specific application running on an iPhone/iTou

  - by wgpubs

  Building an iPhone OS application that will allow users to anonymously post information to a web application (in my particular case it will be a Rails based site) ... and I want to ensure that I only accept posts that originate from a specific application running on an iPhone/iTouch. How is this best accomplished? (btw, if your answer applies to Android please feel free to post it here as well as I'm curious to know if the techniques are the same or vary). Thanks

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• Counting HTML images with Python

  - by user2537246

  I need some feedback on how to count HTML images with Python 3.01 after extracting them, maybe my regular expression are used properly. Here is my code: import re, os import urllib.request def get_image(url): url = 'http://www.google.com' total = 0 try: f = urllib.request.urlopen(url) for line in f.readline(): line = re.compile('<img.*?src="(.*?)">') if total > 0: x = line.count(total) total += x print('Images total:', total) except: pass

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• Why cant I use two or more keyboards/ mouse parallely on one computer?

  - by rainbow365

  Hi, This is just a question of curiosity. Why cannot I use two keyboards parallely in windows? for eg. typing in notepad using 2 keyboards in real parallel mode. what prevents windows to accomdate such feature? is there any multitasking or parallel processing OS that can do it?

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• reset root password in mysql without access to mysql table

  - by Rik89

  I am having an issue on OS X 10.7.5 as I used to use MAMP but for .htaccess issues I am now using my own compiled local server from a long time ago, the problem is i forgot the root password for mysql. I have tried updating the password through terminal using mysql -u root, but I get this error message - ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) Thanks Ric

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• python popen command.....wait until the command is finished

  - by michele

  Hi, I have a script where I launch with popen a shell command. The problem is that the script don't wait that popen command is finished and go forward. om_points = os.popen(command, "w") ..... How can I tell to my python script to wait until the shell command has finished? Thanks.

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• Use the ASUS Express Gate Button to boot an other Operating System

  - by Ruby

  I have a ASUS U50AG Notebook, with a normal Power On and an Express Gate Power On Button. Now i will install a Windows and a Linux. To start one of the OS i will use one of the Button. Und use no Boot Manager. How can i do that?

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• Software/Batch/Something that connects to web and downloads

  - by Riccardo

  Hello, does it exists a Software/Batch/Something for Windows OS that could access the web and download a file (like a xml) in a specified folder, recursively in time (like 1 time a day)?

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• How to keep ssh-keygen from using my login and computer name in the public key?

  - by Boon

  I ran ssh-keygen on OS X and when I displayed the public key generated, I saw that my login and machine name appears in the last part of the key. Is there any way to have it use a different value or not use it at all?

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• Can GPU capabilities impact virtual machine performance?

  - by Dave White

  While this many not seem like a programming question directly, it impacts my development activities and so it seems like it belongs here. It seems that more and more developers are turning to virtual environments for development activities on their computers, SharePoint development being a prime example. Also, as a trainer, I have virtual training environments for all of the classes that I teach. I recently purchased a new Dell E6510 to travel around with. It has the i7 620M (Dual core, HyperThreaded cpu running at 2.66GHz) and 8 GB of memory. Reading the spec sheet, it sounded like it would be a great laptop to carry around and run virtual machines on. Getting the laptop though, I've been pretty disappointed with the user experience of developing in a virtual machine. Giving the Virtual Machine 4 GB of memory, it was slow and I could type complete sentences and watch the VM "catchup". My company has training laptops that we provide for our classes. They are Dell Precision M6400 Intel Core 2 Duo P8700 running at 2.54Ghz with 8 GB of memory and the experience on this laptops is night and day compared to the E6510. They are crisp and you barely aware that you are running in a virtual environment. Since the E6510 should be faster in all categories than the M6400, I couldn't understand why the new laptop was slower, so I did a component by component comparison and the only place where the E6510 is less performant than the M6400 is the graphics department. The M6400 is running a nVidia FX 2700m GPU and the E6510 is running a nVidia 3100M GPU. Looking at benchmarks of the two GPUs suggest that the FX 2700M is twice as fast as the 3100M. http://www.notebookcheck.net/Mobile-Graphics-Cards-Benchmark-List.844.0.html 3100M = 111th (E6510) FX 2700m = 47th (Precision M6400) Radeon HD 5870 = 8th (Alienware) The host OS is Windows 7 64bit as is the guest OS, running in Virtual Box 3.1.8 with Guest Additions installed on the guest. The IDE being used in the virtual environment is VS 2010 Premium. So after that long setup, my question is: Is the GPU significantly impacting the virtual machine's performance or are there other factors that I'm not looking at that I can use to boost the vm's performance? Do we now have to consider GPU performance when purchasing laptops where we expect to use virtualized development environments? Thanks in advance. Cheers, Dave

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• iphone - UIImagePicker overwritting geotagging in photo - fixed in os4?

  - by Mark Steudel

  It is my understanding that currently if you use UIImagePicker to grab a photo, it passes back back a UIImage object which doesn't include any of the geotagging information. I was wondering if it's confirmed that in OS 4 this is fixed? Or any suggestions on where to go look to see if this is fixed? Thanks, Mark

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• glCreateShaderObjectARB( GL_FRAGMENT_SHADER_ARB ); crashes !

  - by gutsblow

  Hello there, I have an iMac with ATI Radeon 2600HD which supports Fragment_shader_arb. But whenever I use that function, it crashes the program. Ironically, it works on a windows installation in the same machine without any problems. I'm running OS X 10.6.2; Can anyone please help me out! P.S. Vertex shaders work fine without any problem. Thank you!

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• Can winform C# applications run from citrix?

  - by Karthick

  Hi Can winform C# applications run from citrix? If the application is kept on Citrix server, can it be viewed in windows OS machines? Will the same be viewable via iPad? -Karthick

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• Oracle PL/SQL Import Japanese values CSV file

  - by cedric

  Hi. I am having problem with importing csv files containing values in japanese characters. When I do so it will display garbage when I query. my OS is japanese. My encoding for oracle NLS_LANG is JAPANESE_JAPAN.JA16SJISTILDE. I don't know what the problem is. When I try to import the very same file in some of my office mates' PC it just works fine

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• determing server response encoding

  - by user121196

  not java specific, but when I say OutputStream os = sock.getOutputStream(); is there a way to determine stream's encoding charset? or do I have to know encoding charset ahead of time to properly read it? This is for arbitrary socket connection.

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• Retrieve Heap memory size and its usage statistics etc...?

  - by AKN

  Lets say I open some application or process. Did some work with that. Now I closed it. Need to know whether this application caused any memory leak. i.e used up some heap memory and not cleared it properly. Can I get this statistics some how? I'm using Visual Studio (for development) under Windows OS. Even I would be interested in knowing this information for any 3rd party application.

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• Visual Studio 2010 -- how to reduce its memory footprint

  - by GregC

  I have a solution with just under 100 projects in it, a mix of C++ and C# (mostly C#). When working in VS2005, the working set of Visual Studio is considerably smaller than that of VS2010. I was wondering if there are some things that can be turned off, so I can develop in VS2010 under 32-bit OS without running out of memory.

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• Why is YAML installing to my home directory instead of its proper directory?

  - by Zack Shapiro

  I keep getting the following error when installing Ruby 1.9.3-p125: It seems your ruby installation is missing psych (for YAML output). To eliminate this warning, please install libyaml and reinstall your ruby. I've tried installing LibYAML and for some reason it's installing in my home directory on OS X Lion where the Documents, Music, Pictures, etc. folders are. Any idea how I can get rid of this error, properly install YAML and never have to deal with this again?

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• Threads on WindowsXP

  - by reonze

  If there are child threads of a parent thread running on the windows xp OS, does terminating a parent thread terminate its child thread as well?

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• What do you need to know when you want to learn computer networking (programming) ?

  - by hory.incpp

  I want to learn the following: apache - i don't know for sure what is for linux - server edition, the os of the server python - for server side scripting java - sockets, jsp, other Am I missing anything? Are there better alternatives ? How should I start? What is apache for ?

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• Cannot get xmlhttprequest.responseText from JQuery

  - by Felix Guerrero

  Hi. I got this function function verify_at_bd(){ var u = "foo"; var p = "bar"; return $.post('auth.php', { name: u, password: p, mobile: '' }, function(result){ return result; },'json'); } If I do a console.log(verify_at_bd()) I'm getting an xmlhttprequest but cannot access to responseText property. I'm using header("Content-Type: application/json") into my PHP. I'm using firefox 3.6 on OS X.

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• Best language for scripting large scale file management

  - by Dan

  The National Park Service's Natural Sounds Program collects multiple terabytes of data each year measuring soundscapes. In your opinion, what is best available scripting language to manage massive amounts of files and file types? We would like to easily design and run efficient user-friendly scripts to search for and retrieve/create copies of files that may be located in different directories according a single static hierarchy. The OS will most likely be windows. Thanks!

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