Google搜索技巧几种：
❶ 双引号：搜索精确字串匹配。示例："精确字串匹配"
❷ 减号：去除带有某些匹配的搜索结果。示例：海豚 -海豚湾
❸ 波浪号：模糊搜索。示例：音乐 ~网课
❹ site关键词：搜索特定网站内的结果。示例：音乐 site:tumblr.com
❺ 竖号：搜索匹配A或匹配B的结果。示例：海豚 | 海豹
❻ 两个点：搜索数字范围的匹配。示例：电影 1980..2000
❼ filetype关键词：搜索特定文件类型。示例：拜登 filetype:pdf source
BY 程序员之家
In many cases, the content resembled that of the marketplaces found on the dark web, a group of hidden websites that are popular among hackers and accessed using specific anonymising software.“We have recently been witnessing a 100 per cent-plus rise in Telegram usage by cybercriminals,” said Tal Samra, cyber threat analyst at Cyberint.The rise in nefarious activity comes as users flocked to the encrypted chat app earlier this year after changes to the privacy policy of Facebook-owned rival WhatsApp prompted many to seek out alternatives.
The S&P 500 slumped 1.8% on Monday and Tuesday, thanks to China Evergrande, the Chinese property company that looks like it is ready to default on its more-than $300 billion in debt. Cries of the next Lehman Brothers—or maybe the next Silverado?—echoed through the canyons of Wall Street as investors prepared for the worst.
【程序员之家】软件项目百例 from fr