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He is assisting in the development of a number of prototype solar electric systems , a passive solar tracker , and a process for producing low cost photovoltaic cells . He also wrote a chapter on it for the Programmer 's Guide.Jan also contributed a second procedural language , PL / pgSQL , to go with the original PL / pgTCL procedural language he contributed last release.We have optional multiple-byte character set support from Tatsuo Iishi to complement our existing locale support.Client / server communications has been cleaned up , with better support for asynchronous messages and interrupts thanks to Tom Lane.The parser will now perform automatic type coersion to match arguments to available operators and functions , and to match columns and expressions with target columns . IEEE-USA recommends policies and implements programs specifically intended to serve and benefit the members , the profession , and the public in the United States in appropriate professional areas of economic , ethical , legislative , social and technology policy concern . They aided British Army Engineers in restoring power to the critical port in Umm Qasr so humanitarian supplies could begin to flow into the country ; repaired the power plant at Baghdad International Airport and restored power there ; restored power to the Green Zone , including the Iraqi Forum ( now seat of the Interim Iraqi Government ) and the Palace of the Four Seasons ( initially the location of the Office of Reconstruction and Humanitarian Assistance , then headquarters of Paul Bremer ’ s Coalition Provisional Authority , now the US Embassy in Iraq ) ; and saved the gigantic Hadithah Hydroelectric Dam from being destroyed by sabotage . This week , as we celebrate the role of engineers in making the world a better place , Engineers Without Borders stands as a shining example of social responsibility , humanitarian outreach , and global good will . So , this level emulates serial transaction execution , as if transactions would be executed one after another , serially , rather than concurrently . Goldilocks walked into the next room ; almost tripping on the automatic vacuum cleaner which was roaming around on the floor .