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Call Go functions from C
...unction that performs a pretty heavy task: It reads a list of files from a USB device. This can take a while, so we want our app to be notified of its progress. We can do this by passing in a function pointer that we defined in our program. It simply displays some progress info to the user whenever ...
Is calculating an MD5 hash less CPU intensive than SHA family functions?
...ider that a recent hard disk will run at about 100 MB/s, and anything over USB will top below 60 MB/s. Even though SHA-256 appears "slow" here, it is fast enough for most purposes.
Note that OpenSSL includes a 32-bit implementation of SHA-512 which is quite faster than my code (but not as fast as t...
一个自媒体的运营手记：我做公众号已经两年多了 - 资讯 - 清泛网 - 专注C/C...
...个会损失很多的用户，所以就否了这个方案。如果发关注链接呢，又不能群发，大家都知道，微信公众号的推荐功能只能发给单个好友，一个一个发太累了，对于我来说，必定会耗费更的时间。最后，想到了图片，就是发个图片...
What is the difference between a port and a socket?
...ical connection point for peripheral devices such as serial, parallel, and USB ports. The term port also refers to certain Ethernet connection points, such as those on a hub, switch, or router.
ref http://compnetworking.about.com/od/basicnetworkingconcepts/l/bldef_port.htm
ref http://compnetworkin...
【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛，有思想、有深度
...待相关事件，及事件处理，例如收到主机发来的数据，被链接等等。
蓝牙主机
相关硬件和基础服务初始化设置扫描参数。设置连接参数。设置绑定管理参数（可选）启动协议栈，开始运行。等待相关事件，及事件处理，例如...
Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...而全的语言手册，一方面是因为已经有了（见本文后面的链接），重要的原因是，因为大篇幅的文章会挫败人的学习热情，我始终觉得好的文章读起来就像拉大便一样，能一口气很流畅地搞完，才会让人爽（这也是我为什么不想...
What is the purpose of the -m switch?
...leHTTPServer. Really handy when I need to share some files without using a usb flash drive.
– arifwn
Sep 30 '11 at 12:18
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Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...进入后台（或者前台关屏）时，先用几次最小心跳维持长链接。然后进入后台自适应心跳计算。这样做的目的是尽量选择用户不活跃的时间段，来减少心跳计算可能产生的消息不及时收取影响。
2、后台自适应心跳选择区间：
...
Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
... types of hardware. Serial ports aren't as common as they used to be, but USB chips which emulate serial ports are pretty popular in the design of specialized hardware. Characters from such things are handled at the application level, since the OS will have no way of knowing that a sequence of inp...
将Linux代码移植到Windows的简单方法 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...直到能编译通过为止。 三：第二个目标，使得代码能够链接过（Link）
完成了第一个目标之后，就会有大量的link错误。原因是前面引入了很多外部函数，外部全局常量只有定义而没有实体，于是就会产生link错误。现在需要的是...