Is there any kind of open equivalent to OLE, for use with ODF? Or equivalent functionality in some other format (e.g., OLE for DocBook XML) - complete with open-source protocol infrastructure?
Related
I find that there's very little documentation on how to extract SAP tables into R.
I'm not talking about SAP HANA.
Currently, it's very troublesome that I need to manually extract SAP tables using a GUI interface, export them into tabular format. Then only I can import them using my R script.
The current solution I'm exploring is to have my SAP colleagues to export those SAP tables into SQL database, then I can query the tables from R.
Ideally I want to cut this seemingly unnecessary step of having the SAP tables exported into a database.
For SAP R/3 systems (or what you call ECC), your best bet would be executing remote function calls (i.e. RFC).
Normally these would be supported by open source interfaces for at least the more recent versions (e.g. 4.6 or above).
However, they are fairly scarce and I know only of one such implementation in R - this is the RSAP. You'd also need to download NW RFC SDK, and there may be further requirements based on your OS (e.g. what Visual C++ you'd need for Windows, etc.).
There's also a slightly more widely recognised equivalent in Python, the PyRFC.
On the other hand, you may try Robotic Process Automation (RPA) to interact with GUI in an automated way. One of the options is UiPath but there are others. This way you could configure the automation of table extraction - at the same time you can also call R scripts directly from the RPA.
Overall - to be honest - the solution with extracting tables into a separate database does seem to be the best alternative (compared to what I've described above).
Note: The above presumes that - for any reason, usually security - you cannot access the database underlying ECC directly through ODBC calls - otherwise the instructions for connecting and calling SQL from R are the same as for HANA or similar.
Consider using RODBC. This package allows adding different ODBC sources and use them in R Studio.
Follow this article and don't bug to word "HANA", this approach allows using any database, not only HANA.
I have a client with salesforce enterprise edition. I need to connect to and extract the salesforce data using Base SAS (SAS/Access for ODBC is licensed).
How can this be achieved? Is it possible to map a libname using an ODBC engine, or is it necessary to use the web APIs?
Don't know about Salesforce support for ODBC, but certainly it is possible to map a libname using ODBC.
http://support.sas.com/documentation/onlinedoc/91pdf/sasdoc_91/access_odbc_7365.pdf
has examples - basically it is
libname <name> odbc <connection options>;
Salesforce specific SAS product:
http://support.sas.com/documentation/cdl/en/bidsag/61236/HTML/default/viewer.htm#a003279102.htm
That requires more than base SAS, of course, but if SAS BI is an option it seems pretty easy to configure.
Another option that is not free (well, it seems to be free for 15 days):
http://blogs.datadirect.com/2012/02/sas-access-to-salesforce-crm-for-superior-odbc-integration-with-sas.html
It doesn't seem like there is a free ODBC driver for Salesforce, though, unless something's changed - example, http://success.salesforce.com/ideaView?id=08730000000Bqqu seems to suggest it's something desired but not available.
So for free solution you may want to use the Web API...
Why is ODBC slow? What is the underlying architecture? Can somebody throw more light on the same>
In general (and I really mean GENERAL) the ODBC driver adds another layer into the mix. It has to take your query and translate it to the native query language (where the native language ins't SQL, or its full implementation). That translation/interpretation adds a performance overhead which is worse for some data sources than others.
Check out this short Microsoft blurb for a bit of the ODBC Driver Architecture:
ODBC Architecture
ODBC Driver Architecture
Are there any MIDP implementation of SQLite db available for use of sqlite db within a MIDlet, rather than using RMS. Of course, there are Floggy and OpenBaseMovil, however they are based on RMS, but are there any implementations that allows to perform operations in an sqlite db file?
There are 2 ways of doing something like that:
take the open source code of SQLite (written in C) and write something similar in JavaME. nobody has done that yet. There is an ongoing effort to write a version of SQLite in C# for windows mobile but you have got to wonder what impact a move to an interpreted language with no control over the performance of file system access will have.
define and implement a JavaME API that accesses the native SQLite via something like JNI. This is usually extremely complicated if you are not the phone manufacturer or one of its very close partners. I suspect Android does that so you could look at its sources in that area but it won't be MIDP-compliant. There are no official JSR for an SQLite-like API yet.
J2ME spec does not define JNI. Being an ISV and trying to write native bindings is out of question. Sun's reference implementation does define something called KNI - but then you have to be an OEM to be able to do that and ship the VM with the phone.
I would like to do some japanese text to speech on my dedicated windows 2003 x64 server with .net framework, using c#
I found something on google, but requires to install a lot of files on the server... i don't like, for stability issues: there is another option, like a linked dll or something?
You can use Microsoft Speech SDK. It's a set of COM APIs containing TTS and SR engines. I'm not sure if it contains Japanese TTS though.
What you most likely want is the Microsoft Speech Server especially if your webite is going to encounter any decent load or volume.
From the site:
"A speech platform, MSS contains all
the server components for deploying
telephony (voice-only) and multimodal
(voice/visual) applications. MSS
combines Web technologies,
speech-processing services, and
telephony capabilities into a single
system. "
There is also a dedicated Microsft Speech community which will likely help you get started in this realm. Also, I'm not sure what the latest version is...2004 R2?
This article has a decent diagram outlining the various components. Looks like a good fit for integration with an ASP Web Application.
using SAPI in an ASP.NET website, is impossible: the sound will be reproduced on the server :S
It seems that there is the need of Microsoft Speech Server
...
Or not? With asp.net is possible to run a commandline exe on the server to save an mp3, then stream that mp3, right? (how to do that? i will try to figure it)
I will go this way, i let you know the result :)
edit: this is how i solved:
How to save text-to-speech as a wav with Microsoft SAPI?
I save the generated voice in a wav file, then i embed it on the page, playing it in a flash player
COOL!!
Use Microsoft Speech Library and see this article Text to Speech with the Microsoft Speech Library and SDK version 5.1 in CodeProject. Also see Giving Computers a Voice in Coding4Fun
The System.Speech.Synthesis namespace has been part of the framework since .NET 3.0. However, it has internal dependencies on the Speech SDK COM libraries (it chooses the correct version depending on the host OS), so I would recommend prototyping the work before you jump in.
The class you should probably look at first is System.Speech.Synthesis.SpeechSynthesizer (whitepaper and example code)
Warning: I have personally experienced issues using the speech APIs in an ASP.NET environment whereby the request that returned the audio data never returned. Despite heavy debugging I was never able to resolve the issue and the feature was dropped. I have had an unresolved support case with Microsoft for 12 months now.