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• VirtualBox serial port, limit of two?

  - by Evan Carroll

  Using VirtualBox, Is there a limit of two serial ports per VM? I'm currently engaging in a task that requires more than two, but less than or equal to four ports. I'm at a loss of what to do to get COM3 and COM4 up? How do I do it if the Virtual Box GUI doesn't currently support more than two serial host devices? Can I configure them external to the GUI? Is there a hard-cap on two devices? And, if so, for the love of god, please entertain me with the reasoning? I know Windows and Linux don't impose such a limit, it would seem awkward to impose it in virtualization layer. This is for cheap dial-in project with proprietary Windows tools. I'm using a Quatech serial multiport adapter to provide the ports to multimodems.

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• Roles / Permissions framework for c#?

  - by mark smith

  Hi there, Does anyone know of a good framework to allow me design permission and roles against users. Basically allowing me to automatically check a user can do a certain thing, and then disabling or enabling menu items etc I am not really looking for asp.net security ... as i need to use it in my own service layer and clients both WEB and WPF will use it. I was hoping for something that allows me to create new roles and groups against users and then check what type of permissions a user has or a group has Any help really appreciated.. I am sure some kind of open source framework is available, well i was hoping not having to create my own Thanks

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• Windows Server 2008 Antivirus Software with an API

  - by Dave Jellison

  I'm looking for an Antivirus package that is compliant with Windows Server 2008. That's not the hard part. What I need is an API layer on the Antivirus that i can call from managed .net code. For example: I am developing an Asp.Net (C#) website that allows users to upload files to the web server which the web site resides on. We have full control of the server so there are no security/rights issues on the server. I need to be able to run the antivirus algorithm on the newly uploaded files without (hopefully) shelling out to a command-ilne version of the software. Does anyone know of such a package?

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• Insert multiple values using INSERT INTO

  - by Ben McCormack

  In SQL Server 2005, I'm trying to figure out why I'm not able to insert multiple fields into a table. The following query, which inserts one record, works fine: INSERT INTO [MyDB].[dbo].[MyTable] ([FieldID] ,[Description]) VALUES (1000,N'test') However, the following query, which specifies more than one value, fails: INSERT INTO [MyDB].[dbo].[MyTable] ([FieldID] ,[Description]) VALUES (1000,N'test'),(1001,N'test2') I get this message: Msg 102, Level 15, State 1, Line 5 Incorrect syntax near ','. When I looked up the help for INSERT in SQL Sever Management Studio, one of their examples showed using the "Values" syntax that I used (with groups of values in parentheses and separated by commas). The help documentation I found in SQL Server Management Studio looks like it's for SQL Server 2008, so perhaps that's the reason that the insert doesn't work. Either way, I can't figure out why it won't work.

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• What guides or standards do you use for CVS in your team ?

  - by PaulHurleyuk

  I'm starting to do a small amount of development within my company. I'm intending to use Git for CVS, and I'm interested to see what guidelines or standards people are using around CVS in their groups, similar to coding standards are often written within the group for the group. I'm assuming there will be things like; Commit often (at least every day/week/meeting etc) Release builds are always made from the master branch Prior to release, a new branch will be created for Testing and tagged as such. only bug fixes from this point onwards. The final release of this will be tagged as such and the bug fixes merged back into the trunk Each developer will have a public repo New features should get their own branch Obviously a lot of this will depend on what cvs you're using and how you've structured it. Similar Questions; http://stackoverflow.com/questions/273695/git-branch-naming-best-practices http://stackoverflow.com/questions/2006265/is-there-an-standard-naming-convention-for-git-tags

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• Can I configure mod_proxy to use different parameters based on HTTP Method?

  - by Graham Lea

  I'm using mod_proxy as a failover proxy with two balance members. While mod_proxy marks dead nodes as dead, it still routes one request per minute to each dead node and, if it's still dead, will either return 503 to the client (if maxattempts=0) or retry on another node (if it's 0). The backends are serving a REST web service. Currently I have set maxattempts=0 because I don't want to retry POSTs and DELETEs. This means that when one node is dead, each minute a random client will receive a 503. Unfortunately, most of our clients are interpreting codes like 503 as "everything is dead" rather than "that didnt work but please try that again". In order to program some kind of automatic retry for safe requests at the proxy layer, I'd like to configure mod_proxy to use maxattempts=1 for GET and HEAD requests and maxattempts=0 for all other HTTP Methods. Is this possible? (And how? :)

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• how to get obj2.name via obj1.categories(), thanks (gae python)

  - by zjm1126

  i using google-app-engine webapp ,code is : class Post(db.Model): title = db.StringProperty(required=True) def categories(self): return (x.category for x in self.postcategory_set) class Category(db.Model): name = db.StringProperty() class PostCategory(db.Model): post = db.ReferenceProperty(Post) category = db.ReferenceProperty(Category) class sss(webapp.RequestHandler): def get(self): obj1 = Post(title='hhaa') #obj1.title = 'haha' obj1.put() obj2 = Category() obj2.name='haha-kao' obj2.put() obj3=PostCategory() obj3.post=obj1 obj3.category=obj2 obj3.put() self.response.out.write(obj1.categories().get().name) the error is : Traceback (most recent call last): File "D:\Program Files\Google\google_appengine\google\appengine\ext\webapp\__init__.py", line 511, in __call__ handler.get(*groups) File "D:\zjm_code\helloworld\a.py", line 131, in get self.response.out.write(obj1.categories().get().name) AttributeError: 'generator' object has no attribute 'get' so how to get the obj2.name via obj1's method thanks

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• Restore Partioned database into multiple filegroups

  - by Renju

  does anyone have any query to restore partioned db that having multiple file groups,In the restore option in the SSME i need to edit manually all the path of the filegroups restore as option it little bit tedious as it having more than 150 filegroups eg:USE master GO -- First determine the number and names of the files in the backup. RESTORE FILELISTONLY FROM MyNwind_1 -- Restore the files for MyNwind. RESTORE DATABASE MyNwind FROM MyNwind_1 WITH NORECOVERY, MOVE 'MyNwind_data_1' TO 'D:\MyData\MyNwind_data_1.mdf', MOVE 'MyNwind_data_2' TO 'D:\MyData\MyNwind_data_2.ndf' GO -- Apply the first transaction log backup. RESTORE LOG MyNwind FROM MyNwind_log1 WITH NORECOVERY GO -- Apply the last transaction log backup. RESTORE LOG MyNwind FROM MyNwind_log2 WITH RECOVERY GO Here i need to specify multiple MOVE command for all my filegroups,this is a tedious task when having more than 100s of filegroups MOVE 'MyNwind_data_1' TO 'D:\MyData\MyNwind_data_1.mdf', MOVE 'MyNwind_data_2' TO 'D:\MyData\MyNwind_data_2.ndf' I need to move the files into the path i provided as a parameter.Please help. Regards Renju http://blog.renjucool.com

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• gae error when i login.

  - by zjm1126

  i am using http://code.google.com/p/gaema/source/browse/#hg/demos/webapp, and this is my traceback: Traceback (most recent call last): File "D:\Program Files\Google\google_appengine\google\appengine\ext\webapp\__init__.py", line 510, in __call__ handler.get(*groups) File "D:\gaema\demos\webapp\main.py", line 31, in get google_auth.get_authenticated_user(self._on_auth) File "D:\gaema\demos\webapp\gaema\auth.py", line 641, in get_authenticated_user OpenIdMixin.get_authenticated_user(self, callback) File "D:\gaema\demos\webapp\gaema\auth.py", line 83, in get_authenticated_user url = self._OPENID_ENDPOINT + "?" + urllib.urlencode(args) File "D:\Python25\lib\urllib.py", line 1250, in urlencode v = quote_plus(str(v)) UnicodeEncodeError: 'ascii' codec can't encode characters in position 0-1: ordinal not in range(128) how to do this thanks ??????????????? ???????? ??????????? ?????????????? ???????

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• In an ExpandableListView, how can I show one additional line at the end of the child results?

  - by fiXedd

  I have created a custom ExpandableListAdapter and everything works properly. What I'd like to be able to do is in each of the groups add a different type of child to the end. I have tried adding 1 to the getChildrenCount() number and then testing isLastChild in the getChildView() method, but that doesn't seem to work. If a group has three children what I have working looks like this: Group NormalChild NormalChild NormalChild But I'd really like something like this: Group NormalChild NormalChild NormalChild AlternateChild The idea being that the AlternateChild could be a link to more info about the group. Any Ideas? EDIT: ListView has addFooterView() which will allow you to add a footer to a whole ListView... wonder how to add them to the ExpandableListView's children, or if it's even possible

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• TTTabItem in three20 icon not working?

  - by Frank

  I have been trying to get TTTabItem to work with images. And I dug up that you can set the icon to an image file. This is my implemenation: TTTabItem *tab1 = [[[TTTabItem alloc] initWithTitle:@"Item 1"] autorelease]; tab1.icon = @"bundle://icon_eat_min.png"; filterBar.tabItems = [NSArray arrayWithObjects: tab1, nil]; [scrollView addSubview:filterBar]; However, my icon doesn't even appear. I even search through this group: http://groups.google.com/group/three20/browse_thread/thread/f879f6643... and override the rounded style. But I am just contemplating why would you have an something you can set and not have it work? or am i doing this badly

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• Reading Windows ACLs from Java

  - by Matt Sheppard

  From within a Java program, I want to be able to list out the Windows users and groups who have permission to read a given file. Obviously Java has no built-in ability to read the Windows ACL information out, so I'm looking for other solutions. Are there any third party libraries available which can provide direct access to the ACL information for a Windows file? Failing that, maybe running cacls and capturing and then processing the output would be a reasonable temporary solution - Is the output format of cacls thoroughly documented anywhere, and is it likely to change between versions of Windows?

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• Requirements of an issue/bug tracker

  - by James Brooks

  I've been looking at various issue/bug trackers available on the net. There are some very good ones, but I'm unable to use them as my server does not support Perl/Ruby (for example), I'm not too bothered however because I am able to write code in PHP and as such would prefer something in that language. So I've taken it upon myself to write a custom issue tracker system. As of now it's in early planning stages, and before I continue, I'd like to find out what people need from such an application. My current list of things to add include: Creating/Editing/Deleting issues - both on user and admin level Related issues (similar to that of STO) Admins will be able to create builds/milestones and version control of projects Admins will be able to assign users/groups to a project Roadmap of projects Possible SVN integration with Git? What do you think? There are a couple more things I'd like to add, but I'm sure you'll think of a better way of adding such feature. What would you like to see from an issue tracker?

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• Determine if a url matches a Route, and pull out the terms if it does

  - by Kevin Montrose

  I've got a big old log file I'm trying to break down in terms of routes. Essentially, I'm getting input of a path (/questions/31415 for example) and a list of all the registered Routes. What I want out is a Route and the parameters specified in the route (so in, /questions/{id}/{answer} I'd get id and answers out). I've got a working solution that basically generates a nasty bit of regex on the fly with named groups to do matching and parsing all-in-one. My gut tells me this is a brittle way to do it, and frankly there has to be a better way, right?

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• Controlling JIRA via Liferay

  - by Shayan

  I am trying to integrate JIRA into Liferay as a portlet. It seems to be that the best way to do that is using the IFrame portlet. However, there are a few additional things that I need to control. I am trying to model a workflow in JIRA, so depending on what happens within the Liferay portal, Liferay will need to be able to advance the status of tasks in JIRA. In addition, when a task is completed in JIRA, it needs to be able to call back to Liferay and create new users or groups if necessary. Is there some way to integrate JIRA and Liferay so that they can call each others APIs? Thanks.

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• Virtualization deployment for datacenter

  - by bogha

  Hi, my company is going to deploy an IT Infrastructure on a virtual platform, can you please help me with the following: 1- which one do you recommend, Cisco Unified computing system ( cisco + emc + vmware )or HP Blades( virtualization solution + HP Storage )? 2- i Need to install a DNS Server, Web server, cpanel for managing hosting packages and Microsoft layer of product for usingg in the corporate infrastructur ( active directory, Local DNS, Exchange server, DHCP, Global catalog ) what is the minimum requirments for these servers ( in terms of CPU and Memory ) . 3- what is the best way to implement a redundant solution in a virtual environment. thank you

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• Inserting multiple types into an SQLite database with Python

  - by mankoff

  I'm trying to create an SQLite 3 database from Python. I have a few types I'd like to insert into each record: A float, and then 3 groups of n floats, currently a tuple but could be an array or list.. I'm not well-enough versed in Python to understand all the differences. My problem is the INSERT statement. DAS = 12345 lats = (42,43,44,45) lons = (10,11,12,13) times = (1,2,3,4,5,6,7,8,9) import sqlite3 connection = sqlite3.connect("test.db") cursor = connection.cursor() cursor.execute( "create table foo(DAS LONG PRIMARY KEY,lats real(4),lons real(4), times real(9) )" ) I'm not sure what comes next. Something along the lines of: cmd = 'INSERT into foo values (?,?,?,?), ..." cursor.execute(cmd) How should I best build the SQL insert command given this data?

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• Will SQL Server Partitioning increase performance without changing filegroups

  - by Tom

  Scenario I have a 10 million row table. I partition it into 10 partitions, which results in 1 million rows per partition but I do not do anything else (like move the partitions to different file groups or spindles) Will I see a performance increase? Is this in effect like creating 10 smaller tables? If I have queries that perform key lookups or scans, will the performance increase as if they were operating against a much smaller table? I'm trying to understand how partitioning is different from just having a well indexed table, and where it can be used to improve performance. Would a better scenario be to move the old data (using partition switching) out of the primary table to a read only archive table? Is having a table with a 1 million row partition and a 9 million row partition analagous (performance wise) to moving the 9 million rows to another table and leaving only 1 million rows in the original table?

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• Incremental backup services with change only charges?

  - by wowowewah

  I'm looking for online backup services that provide incremental, change-only backups. I'm looking to transfer as little data as possible and would like to find a service that provides full backups every week along with incremental backups every day. Are there any specialist companies that deal with this or do I just use standard backup ones? Any recommendation appreciated. To expand on this Im looking for software/services which work on Unix. I guess Linux is fine aswell as FreeBSDs Linux compatibility layer should run it. Oh and command line would be ideal and not require the use of X Window. Thanks.

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• Stripping Non-Text from a Scanned, OCRd PDF

  - by Daniel S.

  I have a PDF created from a scanned document. OCR was used to recognize text. In Acrobat, if I select text, and click 'copy with formatting', I can paste the formatted text into Word, so it seems that fonts and colors are also embedded in the document in addition to just plain text and possibly the size. Is there any way to use this information to create a PDF that just contains the formatted OCRd text, without the scanned image. Currently, my document only shows the scanned image, and the text is on an invisible layer. I would like to create a PDF document that removes the image that was scanned, and displays the formatted text that is currently hidden. The following post has a section on "How can we make the invisible text visible?" PDF has an extra blank in all words after running through Ghostscript However, doing this does not show the correct text formatting (that is retained when pasting in Word), and I also would like to remove the scanned image so that the final PDF just contains formatted (color, font, size) vector fonts, and no images.

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• Expandable listview with selectall checkbox : group itemclick and scrolling bug

  - by Samet

  I have an ExpandableListView with a checkbox next to group name and when expanded, child items with checkbox as well. Let's suppose I have 4 groups with 50 childs. When a group is expanded, and I click on select all checkbox, everything works fine, all checkbox are selected and keep their state if I scroll. But if I scroll untill the last child of the list, scrolling gets buggy after that ( scrolling to the top and then touching the screen to stop the scrolling doesn't work anymore), clicking on group doesn't work anymore too, untill I click on selectall checkbox again. Clicking on a child checkbox does nothing, I must click on selectall checkbox for everything to work. I changed Focusable state of the child checkbox, group checkbox and tried many ways, but I can not find a solution to this. Do you have an idea of where it is coming from?

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• The Best solution to sending emails to group members in a social network.

  - by praveen

  I'm developing a social network in php. There is a feature to create custom groups by members and i want to enable the owner of the group to send emails in bulk to all group members. And most importantly i want to make sure that most mails are not going to end up in users' SPAM list. I'm using PHPMailer in my website What should be the best and affordable approach? These are the solutions i came up with. Pls include your own if possible. Using my servers' (hostgator.com) given SMTP server to send emails in bulk Using google apps SMTP (i have even setup SPF for this) Using a third-party to handle my outgoing messages (i.e: mailChimp, iContact ? do they provide APIs ? this is just my idea) Thanks in advance

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• Java bytecode compiler benchmarks

  - by Dave Jarvis

  Q.1. What free compiler produces the fastest executable Java bytecode? Q.2. What free virtual machine executes Java bytecode the fastest (on 64-bit multi-core CPUs)? Q.3. What other (currently active) compiler projects are missing from this list: http://www.ibm.com/developerworks/java/jdk/ http://gcc.gnu.org/java/ http://openjdk.java.net/groups/compiler/ http://java.sun.com/javase/downloads/ http://download.eclipse.org/eclipse/downloads/ Q.4. What performance improvements can compilers do that JITs cannot (or do not)? Q.5. Where are some recent benchmarks, comparisons, or shoot-outs (for Q1 or Q2)? Thank you!

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• How do I get a linq to sql group by query into the asp.net mvc view?

  - by Brad Wetli

  Sorry for the newbie question, but I have the following query that groups parking spaces by their garage, but I can't figure out how to iterate the data in the view. I guess I should strongly type the view but am a newbie and having lots of problems figuring this out. Any help would be appreciated. Public Function FindAllSpaces() Implements ISpaceRepository.FindAllSpaces Dim query = _ From s In db.spaces _ Order By s.name Ascending _ Group By s.garageid Into spaces = Group _ Order By garageid Ascending Return query End Function The controller is taking the query object as is and putting it into the viewdata.model and as stated the view is not currently strongly typed as I haven't been able to figure out how to do this. I have run the query successfully in linqpad.

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• scheduled task or windows service

  - by czuroski

  Hello, I have to create an app that will read in some info from a db, process the data, write changes back to the db, and then send an email with these changes to some users or groups. I will be writing this in c#, and this process must be run once a week at a particular time. This will be running on a Windows 2008 Server. In the past, I would always go the route of creating a windows service with a timer and setting the time/day for it to be run in the app.config file so that it can be changed and only have to be restarted to catch the update. Recently, though, I have seen blog posts and such that recommend writing a console application and then using a scheduled task to execute it. I have read many posts talking to this very issue, but have not seen a definitive answer about which process is better. What do any of you think? Thanks for any thoughts.

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