ffmpeg stream specifiers
2024年7月24日A video file ususally not only contains a video stream but also an audio stream. We use a stream specifier to select a stream from an input file. Stre […]
A video file ususally not only contains a video stream but also an audio stream. We use a stream specifier to select a stream from an input file. Stre […]
微信 微信是中国人必不可少的手机软件。重装手机时微信首当其冲。 趁还处于登录状态，备份聊天记录。 回忆密码，退出微信账号，测试密码是否正确。 更新微信版本。测试在最新版（或将要安装的版本）中能否登录。 微信聊天记录很难采取3-2-1备份原则。第一，微信备份要求电脑与手机处于同一wifi，这不符合“异 […]
与《我用的Chrome扩展程序大公开（2020年推荐）》基本相同。 已不推荐“Vimium C – 全键盘操作浏览器”，改为原始版Vimum。因为“Vimium C的作者特别爱国。 已不推荐Tampermonkey，改为violentmonkey。因为Tampermonkey is closed s […]
In a shell, if I type a-command-to-run, how does Linux find this program? Exit code Z Shell has an option print_exit_value. If you set it, Z Shell wil […]
從經濟角度講，假設我足夠有錢，我每次買兩袋米，一袋倒河裡，另一袋自己吃。這樣超市庫存減少，會造成價格上漲。逐漸會令農民的食物售價增加，導致農民變富。 與此同時，其他職業的人的消費能力下降，如採礦工人，他們買不起漲價了的米，他們的工資也沒漲。 所以，在我玩弄食物、浪費食物的時候氣急敗壞的人，他們一定不 […]
Enable edit Right to Arm. Set Armed Forces of Constitution to Professional Soldiers. Set work mode of Weapons Factory to Supply Military. Set work mod […]
The Fibonacci numbers, commonly denoted F(n) form a sequence, called the Fibonacci sequence, such that each number is the sum of the two preceding one […]
Tropicans Tropicans (citizen in tropico) don’t have to walk along roads. They walk in the wilderness. In extreme circumstances, tropicans can sw […]
In Tropico 6, Happiness is the average of Food, Healthcare, Fun, Faith, Housing, Job, Liberty, and Crime Safety. Crime Safety Crime Safety is the aver […]
Campaigns Easy Normal Hard Foreign Aid Plenty Fair None Caribbean Happiness Weak Average Strong Political Forgiving Fair Aggressive Opposition Friendl […]