摘要:
.crx文件是google chrome 的扩展, 将开发的BB程序打成.crx,就可以在chrome浏览器中使用程序,而不需要BB手机。.crx可以直接下载安装并更新,当不能正常安装的时候,.crx 可以改成.rar 后缀,然后按普通的文件解压缩,然后打开chrome://settings/extensions,点击上方的“载入正在开发的扩展程序”,选中你刚刚解压出来的那一整个文件夹(不要选里面的子文件夹)然后点确定,就直接安装成功了!具体操作如下:Click 'Customize and control google chrome'->Tools->Extens 阅读全文
摘要:
From http://en.wikipedia.org/wiki/MapnikMapnik is an open source mapping toolkit, written in C++ and useful for both desktop- and server-based map rendering. One of its many users is the OpenStreetMap project (OSM) which uses it in combination with an Apache Web Server module (mod_tile) to render ti 阅读全文