我平时较少使用电子邮件和别人交流，可能这和我处的环境有关系。 一般使用email有这么三种情况： 用于在一些网站注册账户 有些APP在使用的时出现...

昨天杰哥叫我过去给他修梯子，看到他桌子上装满了一杯子烟头，桌子旁边堆满了烟盒，很是震撼。 这么多的烟头和烟盒不做清理，可能是摆在那作秀吧，不太...

ScopeFun Open Source Oscilloscope Screenshots Hunter’s comment If you love those open source hardware projects, such as Arduino and Raspberry Pi, you may also love this product - ScopeFun too. ScopeFun is an open source Oscilloscope. Especially, its software, firmware, and hardware all are open source. That’s amazing. If you want to know how it works, you can build it yourself. Because all of the sources are available for free....

SmartClean Eyewear Ultrasonic Cleaner For Home-use And Traveling Screenshots Hunter’s comment The SmartClean is perfect for cleaning dirt and stains off your eyeglasses. It uses ultrasonic vibrations to agitate the water, allowing it to gently and efficiently clean any dirt, dust, grime, oil, smudges you may have on your eyeglasses. Probably a dozen times More effective than wiping your eyeglasses with a cloth. In addition, it also can be used...

数组 （ndarray）介绍 这个数组我感觉更像是矩阵,官方文档说它是一个多维数组对象(ndarray)。 NumPy provides an N-dimensional array type, the ndarray, which describes a collection of “items...

在求循环码的生成多项式和一致性校验多项式时，需要用到模2因式分解，但是自己数学没学好，一个模2因式分解让我摸不着头脑，不知道从何下手。 幸运的...

你们以为离开的是地狱， 其实那是天堂！ 怀念在乐一的时光， 校道，食堂，宿舍， 乐一的铃声， 堆积如山的书和习题。 那些奋斗的日子， 有过惊喜和失落， 都是...

快捷键 查看快捷键 在右上角的== help->keyboard Shortcuts == 或者在命令模式按 H 常用快捷键 Command Mode (press Esc to enable) F : find and replace Enter : enter edit mode Shift-Enter : run cell, select below Ctrl-Enter : run selected cells Alt-Enter : run cell and insert below Y : change cell...

在 @coder-bts 的文章Shock! What does Facebook have on me??? | 喂！Facebook 你到底拿了我哪些信息？中介绍了如何在Facebook网站的设置功能里下载用户数据副本...

前几日在@kingwriting 的微信群里看到讨论密码管理的话题，我简单的说了下可以使用密码管理器，觉得使用密码管理器挺好，讨论完后群友总结...