tailieunhanh - wiley Hacking Firefox ™ More Than 150 Hacks, Mods, and Customizations phần 2

Web để giúp bạn đo lường sự kết hợp hiệu quả nhất của các yếu tố để bạn có thể tăng doanh thu từ trang chủ của bạn. Trước khi bạn bắt đầu bất kỳ dự án tối ưu, hãy chắc chắn để ghi lại các chỉ số hoạt động quan trọng của số liệu chính (KPIs). KPIs minh họa tốt như thế nào | 20 Part I Basic Hacking The foundation for these settings is a JavaScript call to user_pref with a key and a value. The basic format of this call is as follows user_pref SystemPreference MyValue The preference key is Systempreference and the key s associated value is file may contain a small number of preference entries or quite a few if you have customized several browser options or installed any extensions. Figure 2-3 shows the file open in a standard text editor. Figure 2-3 Default created with a new profile Customized variables from the are populated only once when the browser starts up and are saved only when Firefox is completely shut down. Keep this in mind because manually modifying the file while Firefox is open will nullify your hacking efforts. This is because the file is overwritten with what Firefox has in memory when it shuts down. Each customized preference entry is stored one per line in this file. In the case of a browser crash any recent preferences changes are lost. Firefox has built-in default values which are used if a preference setting is not explicitly included or modified in the file. Here is a basic example of how to modify the file. In the about config search example illustrated in the previous section you found as the Preference Name when searching for throbber. The throbber is your activity indicator it is the moving status icon on the top-right side of the browser window. The throbber URL or web page loads if you click on the throbber at any point. Please note this is different from your homepage which is associated with your startup page new window and so on. Chapter 2 Hacking Around Manually 21 Keeping in mind that you have to close out all your Firefox browser windows you can now drill into the UserPath and Profiles directory structure to find and open the file. The basic format that you want to use is to mimic the name

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