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• How do i execute system commands in google app engine?

  - by LoudNPossiblyRight

  I am trying to execute simple system command via my servlet on google app engine. I'm not trying anything dangerous, just looking for simple stuff grep, sed, wget, find, etc. Using java's Runtime class i keep getting access denied exceptions. Do i have to get permission from google of some kind or are shell commands banned period?

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• wpf mvvm client server application

  - by jim

  First of all i must say i am new to wpf and mvvm. I want to develop a client-server application(clients send info to the server and the serer notifies one or more of them..consider something like yahoo messenger(some user changes his status..sends info to the server and the sever notifies his friends and changes to their UI are made) My question is: does mvvm suits well with this kind of application?

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• jquery javascript module architecture on a website

  - by stephan

  I want to write a module on one html site - I will never leave the site I think about two possible concurrent basic approaches: We go into the module by use only a specific function (with specific params - everything which will happen, happen there - logic, exception handling etc) We go in by using one handler-fct, which manages some kind of action & a dataArray (depending on the action also fcts will be called - but not directly maybe for exception handling) So what you prefer?!

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• Read File/Directory properties with java

  - by Pizza

  How can I read the file information (for example size, line count, last modification, etc) from a file in the file-system or the directory content with JAVA? I need it for a linux operating system. Thanks Ps. This is my first question, althought I have user this forum for a while so please be kind :P

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• Can operations be auto-vectorized on struct's field referenced by pointer?

  - by Eonil

  This is my code. inline void inv(Vector* target) { (*target).x = -(*target).x; (*target).y = -(*target).y; (*target).z = -(*target).z; (*target).w = -(*target).w; } I'm using GCC. Can this be vectorized? PS: I'm trying some kind of optimization. Any recommendations are welcome.

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• Getting the download count of a specific S3 object

  - by phidah

  I've got a number of S3 objects that are available to my customers. Since I'd like to bill my customers by usage, I wondered if there is any smart kind of way to get the number of times a given file has been downloaded? Alternatively, I suppose I could parse the log files provided by S3, but with 10m+ fetches per customer this might be bit of a task. Any ideas?

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• Is there a built in API for handling pinch-zoom functionality in Android

  - by krise

  Hi there, I just wanted to know if there is some kind of class to use the multitouch features of android 2.1. Specifically I am trying to implement pinch-zoom and was wondering if I always have to measure the distance between two touch events and calculate the zoom level on my own? Thanks, chris

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• Mod_rewrite and redirects with training forward slash not working

  - by john williams

  I'm using the following lines of code in my .htaccess file to create redirects. The problem is, whenever I go to example.com/register/ it cant find the css files because it's looking for example.com/register/mycss.css instead of example.com/mycss.css. Redirect 301 register.php http://example.com/register RewriteRule ^register/?$ register.php How can I correct this? I'm new to any kind of htaccess/mod_rewrite functions so feel free to point me in the right direction if there are any other flaws.

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• Dojo Widget need event when everything is "ready"

  - by ArneRie

  Hi, i have an custom widget in dojo. My Problem is to check some kind of access rules wich are passed to the widget. if check the rules after the widget is fully loaded everything works fine. But i have to remove some text and buttons before it is displayed. I've tryted the startup, and postcreate hook (-: is there something like "aftercreate" ?

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• which view/widget can support zooming in android?

  - by Sephy

  Hi everybody, I think my question is fairly clear, I would like to know if every kind of view can support zoom. I know that some have built in zoom controls like the MapView and the WebView, but how about a LinearLayout with some TextViews and ImageViews? I will edit this post to have a list of the answers.

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• Can a sql server aggregate udf be passed in multiple parameters?

  - by Burg

  I am trying to write an aggregate udf for using Sql Server 2008 and C# 3.5 that implodes an aggregation of data. The kind of syntax I am looking for is: SELECT [dbo].[Implode]([Id], ',') FROM [dbo].[Table] GROUP BY [ForeignID] where the second parameter is the delimiter for the aggregate function. And example return value would be something like: 1,4,56 Is there a way to have multiple parameters in an aggregate udf?

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• How can I move all my modification to a branch

  - by michael

  Hi, I create a working repository in HG. And I have modified some files. How can i move my all my modification to a branch (a branch that I have not created)? (kind of 'git stash' and the move the stash away change to a branch. Actually, I am not sure how I can do that in git either. If you know, I appreciate if you can tell me in git as well) Thank you.

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• How does this XPATH query differentiate?

  - by Soham

  I am kind of repeating this question because mostly due to my own ignorance, I could not fully understand the innards. Given this HTML snippet <td valign=top class="tim_new"><a href="/stocks/company_info/pricechart.php?sc_did=MI42" class="tim_new">3M India</a></td> <td class="tim_new" valign=top><a href='/stocks/marketstats/indcomp.php?optex=NSE&indcode=Diversified' class=tim>Diversified</a></td> How does this XPATH //a[@class='tim_new'] differentiate between line 1 and line 2.

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• What's the difference between sound and unsound reasoning?

  - by leon

  In terms of Artificial Intelligent and Logic Knowledge, What is the difference between sound and unsound reasoning? Also, what kind of search Does ID3 algorithm use? Is it Breadth-first search? Thanks

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• How to design a grid in Android (for multi-screen)

  - by Cris

  Hello, i need to realize an app for Android using this background image: Over every cell i have to draw a TextView, but i don't know how to do it with the different screens; i have the background image with 3 resolutions (240x320, 320x480, 480x800) but i don't know what kind of layout to use; i would use GridView but i don't know if i can work with different column size. Can anyone help me? Thanks in advance

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• How To: show color option in FontDialog with no underline and strikeout options.

  - by Vijay

  Hi All, I am using FontDialog control in vb.net application. When I set its ShowColor property to true, it shows me StrikeOut, Underline and Color option under Effects group. I need only color from these three. Is there any way to hide Strikeout and underline effects, so that only Color option will be visible. Thanks in advance for any kind of help.

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• Correlation between font size in Flash and .NET/GDI+

  - by danbystrom

  I guess the title contains my whole question. How can I draw a string onto an image in Flash and .NET/GDI+ respectively and gain the same result? (I'm not a Flash programmer myself and it is rather hard to find out about what kind of unit Flash uses by googling for something like "flash font size"...) Ekeforshus

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• Are there any Design Guidelines for Documental Databases?

  - by Hugo

  Just wondering if there are any kind of guidelines for when you are designing a document-oriented db and I am talking especially about CouchDb. I know that being schemaless things can take the shape that we want but, are there any best practices? Thanks in advance! =D

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• Redirection of xml file for iphone app

  - by gotye

  Hey guys, I have a xml file on my server like the one below : www.myWebSite.com/myXmlFile.xml which is used by my iphone application. In case the address of my xml file changes to www.myOtherWebsite.com/myXmlFile.xml How can I make my app to work anyway ? What kind of PHP server-side code do I need to write ? Is NSURLConnection supporting reirections ? Thanks for any incomings ;) Gotye.

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• Exception when access inner class reflectively

  - by MikeJiang

  Hi Folk, Here is a sample java program. I wonder why the two approaches reslut different stories. Is it a bug or kind of bitter java feature? And I run the sample upon java 1.5 package test; public class TestOut{ public static void main(String[] args){ new TestIn();//it works Class.forName("test.TestOut$TestIn").newInstance();// throw IllegalAccessException } private static class TestIn{} }

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• [game] How to write ::: in cpp and ??? in c#?

  - by daveny

  These questions are a kind of game, and I did not find the solution for them. It is possible to write ::: in Cpp without using "" or anything like this and the compiler will accept it. (macro-s are prohibited too) And the same is true for C# too, but in C#, you have to write ???. I think Cpp will use the :: scope operator and C# will use '? :' , but I do not know the answers to them. Any idea?

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• After opening a mdb in a working copy

  - by John

  Hallo all, In my institute, Tortoise is employed for the purpose of version control. I find, if a mdb file which belongs to the working copy of a project reporitory is opened thru Access, the ordinary will be labelled with an explamation mark. Since the database has not been modified, I don't unterstand why Tortoise regards the opening as a kind of modification. Thanks in advance for any tips. John

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• ASP.NET Session size limitation

  - by eugeneK

  Is there some kind of Session size limitation or advisable value to not to surpass ? In my web application i create few DataTables to store user selections which are stored in session until user approves selections so i add those values to database. problem is i don't know whether session is reliable enough to keep few objects in or not ? thanks

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• Challenging question find if there is an element repeating himself n/k times

  - by gleb-pendler

  here how it's goes: You have an array size n and a constant k (whatever) you can assume the the array of int type tho it kind be of whatever type but just for the clearane let assume it's an integer. Describe an algorithm that finds if there is an element/s that repeat itself at least n/k times... if there is return one - do it in linear time running O(n) Imortent: now the catch do this algorithm or even pseuo-code using a constant usage of memory and running over the array only TWICE!!!

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• How to make a show case something like a marquee from bottom to top

  - by Bharanikumar

  Click on this link, you will be redirected to a shopping site. On the right side, there is an animated block called TOP SELLER. What kind of plugin is that? Thanks in advance!

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