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• Migration of virtual Maschines

  - by Friedrich

  I wonder if there are tools for migrating from one virtual machine type to another. E.g let's say I have some Xen virtual maschine and like to make it run under KVM. I know that e.g in qeumu are tools which can be used to "migrate" such machines but how about e.g Xen - Kvm Kvm - Xen Xen - Vmware (server?)

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• Sending confirmation SMS automatically

  - by agentxy

  I hope this gets a response. Say Person A sends an SMS to a shortcode in a certain syntax. How could a confirmation SMS be sent to Person A's mobile phone automatically ("Your message has been received successfully!"), after determining that the SMS received from Person A is in the correct syntax? I'm a total newbie when it comes to SMS - so if anyone could describe the entire end-to-end process/architecture that could make this happen, I'd be grateful!

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• sms using bluetooth com port connection guidance

  - by user287745

  Mobile phone AT & T guidance? i connect my china/ and nokia phone using bluetooth COM PORT CONNECTION it say com at 5, i would like to use this connection to send and receive sms using c#. please guide, resources, example code. thank you

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• How to set icc color profile in Java and change colorspace

  - by Patriarch24

  First, I would like to say I'm not an image processing specialist. I would like to convert image colorspace from one to another, and change icc color profile at the same time. I managed to do it using JMagick (the ImageMagick Java port), but no way in pure Java (even using JAI).

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• C# Get Process API Usage

  - by Dremation

  Is there a method to detect what APIs are being called? Say I wanted to detect any application that uses the ReadProcessMemory API for instance. How doable is this in C#?

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• Foreign key,local key?

  - by user198729

  CREATE TABLE products ( id integer unsigned auto_increment primary key ) ENGINE=INNODB; CREATE TABLE orders ( id integer PRIMARY KEY auto_increment, product_id integer unsigned, quantity integer, INDEX product_id_idx (product_id), FOREIGN KEY (product_id) REFERENCES products (id) ) ENGINE=INNODB; Here the products and orders obviously have some kind of relation--foreign key relation. Also a coin has two sides,so I'm doubting how do we say which table is the foreign key side or local key side?

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• video processing with opencv

  - by mithila

  i'm trying to detect car in a video file.i can do background subtraction and the moving cars are visible as foreground object. but i can't draw rectangle around the car. how can i do it? or how can i say in a particular area of the frame there is a car/or there is no car now.please help.

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• What ASP.NET MVC Route controls the appearance of hashes in URIs?

  - by rasx

  I have integrated a Silverlight Navigation Application in an ASP.NET MVC web. However when Silverlight calls for its default page, say, IndexPage ASP.NET MVC displays the route as: http://localhost/#/IndexPage I have tried to get ASP.NET MVC to respond to this route: http://localhost/#IndexPage but I am unable to find a configuration that works with this. Does ASP.NET MVC routes respond to hashes in general?

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• Operation is not valid when the DataGridView control is in virtual mode?

  - by monkey_boys

  When i add new row in datagrid that say: dataGridViewX1.Rows.Add(new string[] { "Parker", "Seattle" }); it error Operation is not valid when the DataGridView control is in virtual mode?

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• how to validate the radio button group? in flex

  - by kumar1425

  iam new to flex , can any one say ,how to validate the radio button is selected or not in flex 3 if my question is wrong ,plz suggest me any thing regarding the validation of radio group plz help me ...........

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• Hidden WCF endpoints

  - by Matt

  For the sake of arguement, lets say that I've got a basicHttp WCF service. Besides implementing authentication (login/logout methods), what is stopping someone from just cracking open Visual Studio, adding a web reference to my website's service, and then playing playing around with my service? I'm not familiar with a method of stopping someone from doing this. The idea of someone downloading all of my Data/Operation contracts and then start playing around is keeping me up at night, and I like my sleep!

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• How can I use the Google App engine bulkloader to back up all my data?

  - by dfrankow

  The docs say appcfg.py --dump --app_id=<app-id> \ --url=http://<appname>.appspot.com/remote_api \ --filename=<data-filename> The thing itself barfs: Usage: appcfg.py [options] <action> appcfg.py: error: no such option: --dump $ cat /usr/local/share/google_appengine/VERSION release: "1.3.4" Thoughts?

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• Do you have any tips for commenting code?

  - by Rob Wells

  G'day, I've read both of Steve McConnell's excellent Code Complete books "Code Complete" and "Code Complete 2" and was wondering if people have any other suggestions for commenting code.co My commenting mantra could be summed up by the basic idea of expressing "what the code below cannot say". While enjoying this interesting blog post by Jeff about commenting I was still left wondering "When coding, when do you feel a comment is required?"

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• Sharing assemblies between .Net 4 and Silverlight 4

  - by chris

  At the last PDC (can't remember which talk it was) they gave us the information that it will be possible to share assemblies between regular .Net 4 and Silverlight 4. Unfortunately I can't find anything on this. Was this feature dropped? What options/limitations are there? (There are similar questions on SO but they don't say if they apply to SL3 or 4.)

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• Loading Accessory callout view for mkannotationview

  - by Zap

  I have a map annotation view that contains a rightcallout button which loads an accessory view which is a UIViewController class. I am using resuable annotations, but am wondering how I can pass updated information to my UIViewController class. Let's say I have 2 string values which map to 2 UILabels on my view. How can I update those values after the initial accessory view has already been loaded into memory as a resusable view? Any help would be appreciated.

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• Total stack sizes of threads in one process

  - by David

  I use pthreads_attr_getthreadsizes() to get default stack size of one thread, 8MB on my machine. But when I create 8 threads and allocate a very large stack size to them, say hundreds of MB, the program crash. So, I guess, shall ("Number of threads" x "stack size of per thread") shall less than a value(virtual memory size)?

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• Count times ID appears in a table and return in row.

  - by Tyler

  SELECT Boats.id, Boats.date, Boats.section, Boats.raft, river_company.company, river_section.section AS river FROM Boats INNER JOIN river_company ON Boats.raft = river_company.id INNER JOIN river_section ON Boats.section = river_section.id ORDER BY Boats.date DESC, river, river_company.company Returns everything I need. But how would I add a [Photos] table and count how many times Boats.id occurs in it and add that to the returned rows. So if there are 5 photos for boat #17 I want the record for boat #17 to say PhotoCount = 5

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• how do you implement Async Operations in C# and MVVM?

  - by Oscar Cabrero

  hi what is the easiest way to implement asynch operations on WPF and MVVM, lets say if user if user hits enter when on a field i want to launch a command and then return back while a thread will do some search operations and then come back and update the properties so notification can update the bindings. thanks!

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• Python - integer to byte

  - by quano

  Say I've got an integer, 13941412, that I wish to separate into bytes (the number is actually a color in the form 0x00bbggrr). How would you do that? In c, you'd cast the number to a BYTE and then shift the bits. How do you cast to byte in Python?

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• Returning PHP Multi-Dimension Array to Javascript/AJAX

  - by GregH

  My understanding is that in order to return a complex PHP variable to Javascript, it should be done via AJAX and json_encode. Could somebody give me an actual example (both PHP and Javascript code) of this? Lets say we have the two-dim array in PHP: $twoDArr = array( array('Greg', 44, 'Owner'), array('Joe', 23, 'Renter'), array('Susan', 39, 'Owner'), array('John', 32, 'Renter) ); How would we return this to an analogous two dimensional array in javascript using json_encode?

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• voice recognition for command line interface?

  - by fayer

  i wonder if there is a good software that will run commands with voice recognition? eg. if i say "delete temporary folder" it will delete that folder. thanks

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• select similar values from mysql database

  - by mathew

  Hi I have several data s in MySQL database. In my table there is a column called rank. what I want is when some one enter a rank say 25 then the result should display names on similar(+ or -) ranks LIMIT to 10 from table. example mathew - 25 john - 26 joe - 25 stewart - 27 kelly - 24 brandon -23 magy - 22 .......etc. Thanks Mathew

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• Android - store .txt filenames in array

  - by JustMe

  Hello! I would like to store only .txt filenames from a specific dir (let's say: /sdcard/docs/) into an String array. Example: In /sdcard/docs/ there are 5 files: 'foo.txt', 'bar.jpg', 'foofoo.txt', 'loool.png' and 'foobar.txt'. I would like to get array with contents: "foo.txt", "foofoo.txt", "foobar.txt" How could I do it? Thanks =)

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• monitor table in data base

  - by hatem gamil

  hi all i want to make a web site to act as a monitor to a certain table in data base or act as a listenter on that table eg lets say i have table employees i want to make a web page that listen to changes occurs on that table (all DML operations) whenever a record is inserted i want this page alert me that a "1 row is inserted in table employee",or updated i want to get an alert " row number xx is updated" and so on so what is the best practise to do so thnx

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• Using jQuery live() to initialize plugins?

  - by cxfx

  Using jQuery, what's the best way to automatically initialize a plugin on all current and future elements of a specific class? For example, say I want all <input type="text" class="datepicker" /> elements to have the jQuery UI Datepicker plugin, including any I might create at runtime. Essentially, I want to do something like this: $('.datepicker').live('create', function() { $(this).datepicker(); }); But, of course, there isn't a create event I can use.

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