db4o 7.2 (.NET branch)


 
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Old 02-26-2008
db4o 7.2 (.NET branch)

Image db4o is an object database available for Java and for .NET, including CompactFramework and Mono. Features include ACID transactions, automatic class schema recognition, query-by-example, S.O.D.A. object querying API, callback methods, memory files, cascade-on-delete, multi-threaded access, and Java Webstart and servlet support. License: GNU General Public License (GPL) Changes:
This release comes with an optimized implementation of LINQ (Language INtegrated Queries). Solution files for Visual Studio 2008 are provided along with the sources. The latest work on Transparent Activation (TA) and Transparent Persistence (TP) is included. Db4oTool was improved to make optimization for Native Queries and for TA/TP easier. Optimizations can also be called with msbuild.Image

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NETROM(4)						     Linux Programmer's Manual							 NETROM(4)

NAME
AF_NETROM - NET/ROM amateur packet radio protocol family DESCRIPTION
NET/ROM is a protocol used extensively by radio amateurs. The Linux NET/ROM protocol family permits access to these protocols via the stan- dard networking socket metaphor. The NET/ROM protocol layer only supports connected mode. IP traffic may be stacked on top of NET/ROM frames using a non-standard extension to the NET/ROM protocol. The only mode of operation is connected mode which is the mode used for a socket of type SOCK_SEQPACKET (stream sockets are not available in NET/ROM). This requires that the user ensures output data is suitably packetised, and that input data is read a packet at a time into a buffer of suitable size. NET/ROM addresses consist of 6 ascii characters and a number called the SSID. These are encoded into a sockaddr_ax25 structure which is provided to the relevant system calls. NET/ROM has some unusual properties. Notably in a multi-user system an AX.25 address is often associated with a user, and some users may not have such an association. a set of ioctl calls are provided to manage an association table. NET/ROM supports the following socket options for SOL_NETROM. NETROM_T1 is the T1 timer in 1/10ths of a second, NETROM_T2 is the T2 timer in 1/10ths of a second. NETROM_N2, the retry counter is also configurable. There is no 'infinite retry' option supported however. It is possible for an application to request that the NET/ROM layer return the NET/ROM header as well as the application data, this is done via the NETROM_HDRINCL socket option. SEE ALSO
call(1), socket(2), setsockopt(2), getsockopt(2), nrbroadcast(5), nrports(5), netromd(8), noderest(8), nodesave(8), nrparms(8). AUTHOR
Jonathan Naylor G4KLX <g4klx@g4klx.demon.co.uk> Linux 25 July 1996 NETROM(4)