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普通码农和CTO之间的差距，就是这7点了 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...西可以让大家多思考（希望我达到这个目的了）。
解决完一个问题后我们要经常“回头看看”，我们要学习的不是“解决具体问题的办法”而不是“解决问题的方法”。很多朋友通过网络或者同事帮助解决完一个问题之后就没...
App Inventor 2 “虚拟”屏幕：同一屏幕展示多屏内容，模拟切换屏幕 · App...
...部分需要连接的组件（比如蓝牙客户端、MQTT、BluetoothLE、Wifi、Socket等）如果跨屏幕的话，都需要重新连接，自行管理连接状态，非常不便利，且大部分场景并不是真正的需要多个屏幕才能实现，多个屏幕切换效率也会低一些，...
一分钟读懂低功耗蓝牙(BLE) MTU交换数据包 - 创客硬件开发 - 清泛IT社区，...
...p; X.25: 576
BLE: 23 => 这就是为什么WIFI 可以用于传输视频，传统蓝牙(BT)可以传输音频，而低功耗蓝牙（BTLE 或者BLE）只能够传输控制数据的原因了。
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BIO与NIO、AIO的区别(这个容易理解) - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...后才继续执行。
二、NIO
NIO本身是基于事件驱动思想来完成的，其主要想解决的是BIO的大并发问题： 在使用同步I/O的网络应用中，如果要同时处理多个客户端请求，或是在客户端要同时和多个服务器进行通讯，就必须使用多线...
JavaScript Regular Expression Email Validation [duplicate]
...mportant for mobile applications which may be contacting a server via slow Wifi or mobile networks).
– Ciaran Gallagher
Mar 24 '13 at 15:38
1
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java.net.ConnectException: localhost/127.0.0.1:8080 - Connection refused
...so it will only be accessible from devices that are on the same network so WIFI will probably work, 3G probably wont.
– skorulis
Mar 31 '11 at 5:29
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How to set up Android emulator proxy settings
...gh, it looks like I have found the solution for now: configuring that fake wifi hotspot as above to use the proxy helps even though my proxy requires the authentication, which that hotspot configuration doesn't have at all. Just URL and port helped to restore the lost connectivity immediately.
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Is there a unique Android device ID?
...er installs.
WLAN MAC Address - Hardware (needs android.permission.ACCESS_WIFI_STATE)
This could be the second best option, but you are still collecting and storing a unique identifier that comes directly from a user. This is obvious that you are collecting data.
<uses-permission android:name=...
创业公司如何实施敏捷开发 - 资讯 - 清泛网 - 专注C/C++及内核技术
...护总共需要每周4人天时间（人天指需要花1个人4天的时间完成一个事情）。其中一个新项目“项目1”大概估计120人天的开发时间，需要1个月之内开发完成。“项目2”大概估计要40人天的开发时间，需要2周开发完成。而现在的人...
Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (38)
... I had a similar issue; moved from ethernet (192.168.220.11) to wifi (192.168.220.12) but had bind-address hard-coded to ethernet IP. Changing to localhost fixed it.
– Chris G
Nov 1 '19 at 10:08
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