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• Non-SQL API for SQL Server?

  - by David Lively

  Is there any sort of non-SQL API for talking to SQL Server? I'm curious if there is a more direct way to retrieve table or view data. (I don't have a problem with SQL, just curious if any of the layer between the SQL parser and the underlying data store is exposed.)

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• C++ MIDI file reading library

  - by Raceimaztion

  I'm trying to write some software to read a MIDI file into an internal data format and use it to control 3D simulated instruments. My biggest problem is reading the MIDI data in from a file, and I'd like to avoid writing all the import code. Does anyone know of a free (preferably Open Source), cross-platform MIDI file reading library? What features does it have? Can it import other note-based music formats?

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• Django Form field initial value on failed validation

  - by John

  Hi, how do I set the value of a field element after a form has been submitted but has failed validation? e.g. if form.is_valid(): form.save() else: form.data['my_field'] = 'some different data' I don't really want to put it in the view though and would rather have it as part of the form class. Thanks

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• pfc_Validation event coding example

  - by Brani

  Could you give me an example of the way I should code into the pfc_Validation event? This is an event that I have never used. For example here is something I have coded in the ue_itemchanged event. if dwo.name = 'theme' then This.Setitem(row,"theme",wf_clean_up_text(data)) end if if dwo.name = 'Comments' then This.Setitem(row,"Comments",wf_clean_up_text(data)) end if Which is the proper way of coding those validations in the pfc_Validation event , so that they are performed only on save-time?

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• Can MVVM Usercontrols have property defined in codebehind ?

  - by Anish

  Hi, I have a WPF user control ...which is in MVVM. The user control(which contains a listview) need data from the page (where it is included). I have to set a property to get this data input. Will this comply with MVVM...if not, what is the way for the same?

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• I want to display the missing (non-matching) records

  - by Eric

  Is there a way to program the following SQL query SELECT dbo.Assets_Master.Serial_Number, dbo.Assets_Master.Account_Ident, dbo.Assets_Master.Disposition_Ident FROM dbo.Assets_Master LEFT OUTER JOIN dbo.Assets ON dbo.Assets_Master.Serial_Number = dbo.Assets.Serial_Number WHERE (dbo.Assets.Serial_Number IS NULL) in c# .net code using dataviews or data relation or something else? I have a spreadsheet of about 4k rows and a data table that should have the same records but if not I want to display the missing (non-matching) records from the table. Thanks, Eric

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• Maintenance window and recovery for a large database

  - by NYSystemsAnalyst

  One of our teams is developing a database that will be somewhat large (~500GB) and grow from there (I know 500 Gigs may seem small to many of you, but it will be one of the larger databases in our shop). One of the issues they are grappling with is backing up and restoring the database. Basically, the database will have several "data" tables and one table used for storing images / documents. We need to accomplish the following: Be able to quickly backup and restore only the data tables (sans images) to our test server for debugging and testing purposes. In the event of a catastrophic database failure, restore the data tables only to get most of the application up and running ASAP. Then, restore the images table when possible. Backup the database within the allotted nightly time window (a few hours). My questions are: Is it possible to accomplish the first two goals while still having the images stored in the same database? If so, would we use filegroups, filestream, or something else? How do other shops backup their databases in a reasonable time window while maintaining high availability? Do you replicate to a second server and backup from there?

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• How to host 50 domains/sites with common Django code base

  - by Off Rhoden

  I have 50 different websites that use the same layout and code base, but mostly non-overlapping data (regional support sites, not link farm). Is there a way to have a single installation of the code and run all 50 at the same time? When I have a bug to fix (or deploy new feature), I want to deploy ONE time + 1 restart and be done with it. Also: Code needs to know what domain the request is coming to so the appropriate data is displayed.

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• How to identify whether the objects are just reference or just copied? .net Memory Management

  - by NLV

  Hello I'm confused to find whether an object is either copied or the reference of the object is held while equating it to some other objects. Examples int i =5; int j = i; Reference or copy of data? DataSet ds = dsOtherDataSet.Copy(); Reference or copy of data? DataView dvTemp = dsTestDataSet.Copy().DefaultView; What happens here? Regards NLV

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• Is it possible to use pure Encrypting and Decrypting keys in asymmetric cryptography instead of priv

  - by macropas

  Is it possible to use pure Encrypting and Decrypting keys instead of private and public keys? As I know in .Net asymmetric RSA implementation private key RSAParameters parameters = (new RSACryptoServiceProvider()).ExportParameters(true) is a superset of public key. And using private key we can both encrypt and decrypt our data. But I need key only for decrypting data. How to do it? I experimented on nulling RSAParameters fields, but RSACryptoServiceProvider object can't import such parameters.

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• What is the funniest bug you've ever experienced?

  - by friol

  I remember testing a geographical data normalizer written in Java that had concurrency problems. So, when you tried to normalize a city (say "Rome") and another guy did that too (say "New york"), you would get the other guy's data normalized ("NEW YORK") instead of your query. What's the bug that mostly made you smile in your career?

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• Get the inserts

  - by Endrigo

  Hi there, I want to know if I can get all the INSERTs that are inserted at my database, from once. Writing just once ... I want that shows me all the inserts with the data and everything that was inserted in the moment of insertion. Not just the data, but everything including the INSERTs, is this possible? I'm using SQL server 2008, regards to everyone

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• Do I need to install ODP.Net? I am using .NET 3.5.

  - by Arpita

  I am using .NET 3.5. I want to use Oracle Data provider in Data Access Application Block of Enterprise Library. Do I need to install ODP.NET? I am using oracle 10g client.

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• Do I need to recompile PHP to make use of CURL API?

  - by amn

  I have both Apache and PHP set up manually, albeit the latter without CURL. There is this jungle of instructions and explanations on extensions for PHP. I have a very straightforward question - what do I need to do to enable CURL in a more dynamic way. I resent the idea of static linking, in fact I hate and avoid static linking like the plague. Is it possible to have my Apache and PHP understand that there is CURL in town? I can compile CURL if necessary. Package management may be out of the question, because I built PHP myself - I am on Ubuntu, and it does not provide PHP without Suhosin and a a whole lot of time, so I removed it and built PHP myself. The whole slew of related questions simply propse installing "php5-curl" package, which is exactly one thing I CANNOT do since it installs it in a completely unrelated directory, which my PHP does not even seem to bother linking to.

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• SQL Server 2005 Convert Ascii to Unicode (UTF-8 -> nvarchar)

  - by Guazz

  I have data in an nvarchar field with data in ascii format: "Zard Frères Guesta" How do I convert it to a readable(unicode) format in t-sql?

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• What .NET serializers have fixed size output for a given class?

  - by Jader Dias

  XML based serializers have variable size output for a given class. I can't use them to append data to my Memcached list, since I won't be able to retrieve that information later. But if I knew my serializer produced a fixed size output (N bytes), I could retrieve my data by splitting my list in N bytes chunks and then deserializing those chunks individually. I have created my own serializer for my class, but what other serializers I could use?

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• Mysql / Django - Begin auto increment to 1

  - by ark

  Hi, I have a django script which loads data, the beginning of the script deletes all datas in database. So when I execute 1st time this script, the auto increment primary keys begin to 1 to 15 (if 15 objects) and if I want to reload data, I reexecute the script. My issue is when I execute it again, pks numbers begin to 16 (for 2nd launch), I would like each time auto_increment begins to 1, is it possible whitout regenerating tables structure each time ? Thanks

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• INSERT DELAYED on locked tables blocks PHP processes to continue

  - by sw0x2A

  Our webservers write some tracking information into a MySQL database (using INSERT DELAYED into MyISAM table). When a huge SELECT query is executed on this table or when it is locked for another reason, the webserver processes (with INSERT DELAYED) are waiting for the database and in some cases the MaxServer limit is reached in Apaches, so they will stop serving requests. We use INSERT DELAYED because The DELAYED option for the INSERT statement is a MySQL extension to standard SQL that is very useful if you have clients that cannot or need not wait for the INSERT to complete. This is a common situation when you use MySQL for logging and you also periodically run SELECT and UPDATE statements that take a long time to complete. Quote from MySQL documentation. I am wondering why the Apache processes are waiting for the INSERT DELAYED to finish. And what can I do to just send the data and forget about it. (Since this is logging data, I do not care if we lose some entries.) Even when the table is locked the PHP script should just go on and should not wait for an answer of MySQL. (We do not want to setup Master-slave for this table but we are thinking about move this data to some NoSQL database. But for now I would like to know why INSERT DELAYED is not working as expected.)

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• difference between '>>' and '>' in Perl?

  - by Karandeep Singh

  What is the difference between these two code snippets? open (MYFILE, '>>data.txt'); open (MYFILE, '>data.txt');

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• HTML5 applicationCache in local development

  - by jesper

  I'm experimenting with application cache based on this example: http://html5demos.com/html5demo.manifest This example works fine in ff, but when I create analogous site (almost identical) I get only status "UNCACHED (numeric value 0) -- The ApplicationCache object's cache host is not associated with an application cache at this time." I work on xampp and I've set correct mime-type. When the page is loading ff "is asking to store data on your computer for offline use" and when I show Tools - Options - Advanced - Network - Offline data there is localhost but with 0B size.

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• Securing a WCF ASP.NET web service

  - by harekam_taj

  Hey Guys, I have a asp.net website and I am accessing that web service from my iPhone app to get data. The WCF web service produces data as JSON. I want to put some kind of authentication on the WCF. What you you guys recommend? Thanks

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• Accessing Google Account Id /username via Android (pre 2.0)

  - by KawBoy

  How do you access the user's Google Account Id / username in code (pre-2.0)? I am building an application that will call a web service to store data and I want to identify the identity of the person sumitting the data. If no user identity information available (pre 2.0) how about the ability to access phone identity (pre 2.0). Thanks in advance.

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• How do I create an empty Django formset using modelformset_factory?

  - by nbolton

  I'm creating a formset, but it seems to populate it with all of the existing data in the table for that object. I can't figure out how to start with a blank formset; the only way seems to be to delete all of the data from the table, but clearly this isn't an option. I will post code if necessary (but there's lots of it, so knowing what is relevant is tricky).

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• Flex DataGrid with row number column

  - by philcruz

  I want to extend the DataGrid component so that there is a (read-only) column for the row number like you see in spreadsheets. I came across this article http://www.cflex.net/showFileDetails.cfm?ObjectID=735 but it depends on the data being unique for each row so that it can index into the array. If the data is not unique (like for an empty grid) it doesn't work. How can I implement that?

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• Database schema for simple stats project

  - by Bubnoff

  Backdrop: I have a file hierarchy of cvs files for multiple locations named by dates they cover ...by month specifically. Each cvs file in the folder is named after the location. eg', folder name: 2010-feb contains: location1.csv location2.csv Each CSV file holds records like this: 2010-06-28, 20:30:00 , 0 2010-06-29, 08:30:00 , 0 2010-06-29, 09:30:00 , 0 2010-06-29, 10:30:00 , 0 2010-06-29, 11:30:00 , 0 meaning of record columns ( column names ): Date, time, # of sessions I have a perl script that pulls the data from this mess and originally I was going to store it as json files, but am thinking a database might be more appropriate long term ...comparing year to year trends ...fun stuff like that. Pt 2 - My question/problem: So I now have a REST service that coughs up json with a test database. My question is [ I suck at db design ], how best to design a database backend for this? I am thinking the following tables would suffice and keep it simple: Location: (PK)location_code, name session: (PK)id, (FK)location_code, month, hour, num_sessions I need to be able to average sessions (plus min and max) for each hour across days of week in addition to days of week in a given month or months. I've been using perl hashes to do this and am trying to decide how best to implement this with a database. Do you think stored procedures should be used? As to the database, depending on info gathered here, it will be postgresql or sqlite. If there is no compelling reason for postgresql I'll stick with sqlite. How and where should I compare the data to hours of operation. I am storing the hours of operation in a yaml file. I currently 'match' the hour in the data to a hash from the yaml to do this. Would a database open simpler methods? I am thinking I would do this comparison as I do now then insert the data. Can be recalled with: SELECT hour, num_sessions FROM session WHERE location_code=LOC1 Since only hours of operation are present, I do not need to worry about it. Should I calculate all results as I do now then store as a stats table for different 'reports'? This, rather than processing on demand? How would this look? Anyway ...I ramble. Thanks for reading! Bubnoff

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