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Gerber Viewer (gerbv) is a viewer for Gerber files. Gerber files are generated from PCB CAD system and sent to PCB manufacturers as basis for the manufacturing process. The standard supported by gerbv is RS-274X. The basic difference between RS-274D (the old standard) and RS-274X is basically the addition of apertures in RS-274X. It might be possible to make an RS-274X file out of an RS-274D file and an aperture list. gerbv also supports drill files. The format supported are known under names as NC-drill or Excellon. The format is a bit undefined and different EDA-vendors implement it different. But basically you need to have the tools definition in the file, then the parser is quite tolerant. The different holes are shown as dots in the (scaled) correct size. The different layers of the PCB are separated into different files. gerbv can load all files at the same time and display them "on top of each other". You can independently turn them on and off.

你是不是有 X Windows 不认识的 TrueType 字体？可能是因为这个字体使用的编码不 是 Unicde！Open Type Organizer (oTo) 可以显示你的字体信息并通过翻译原始的 字体来添加新的“name”和“cmap”表。

HamFax is a Qt/X11 application for sending and receiving facsimiles. It is licensed under the GNU General Public License (GPL), see the file COPYING for the complete text. If you have questions or comments please send them to me (cschmitt@users.sourceforge.net). I would like to have some feedback.

Geographic Resources Analysis Support System (GRASS GIS) An open source Geographical Information System (GIS) with raster, topological vector, image processing, and graphics production functionality that operates on various platforms through a graphical user interface and shell in X-Windows. It is released under GNU General Public License (GPL).

pyodbc is a Python module that allows you to use ODBC to connect to almost any database from Windows, Linux, OS/X, and more. It implements the Python Database API Specification v2.0, but additional features have been added to simplify database programming even more.

PlopFolio is a free clone of Serence's excellent KlipFolio application. PlopFolio supports Klips available from KlipFarm. PlopFolio is developped using the Objective-C language and works well with GNUstep (on Linux, FreeBSD, and more) and Cocoa on Mac OS X. LICENSE: GPL2 or later

This library is designed to allow seamless, high-fidelity encoding and decoding of arbitrary data in application/x-www-form-urlencoded format and as url.Values. It is intended to be useful primarily in dealing with web forms and URI query strings, both of which natively employ said format.

Google's framework for writing C++ tests on a variety of platforms (Linux, Mac OS X, Windows, Cygwin, Windows CE, and Symbian). Based on the xUnit architecture. Supports automatic test discovery, a rich set of assertions, user-defined assertions, death tests, fatal and non-fatal failures, type-parameterized tests, various options for running the tests, and XML test report generation.

This is a user space caching library, currently used by FreeBSD and Mac OS X to improve performance of NTFS-3G (sysutils/fusefs-ntfs port), because these systems don't have a block device cache, giving a very slow read/write rate. Note that libublio is _not_ thread safe.

Normally, if you try to call a method that there's no handler for, you get an error: Can't locate object method "flork" via package "X". But for classes that inherit from Class::BlackHole, unhandled methods become just no-operations.