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Detect whether there is an Internet connection available on Android [duplicate]
...ows...
private boolean haveNetworkConnection() {
boolean haveConnectedWifi = false;
boolean haveConnectedMobile = false;
ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo[] netInfo = cm.getAllNetworkInfo();
for (NetworkIn...
windbg 备忘 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...码，得到各种调试事件的通知（例如，异常，加载/卸载模块，启动/退出线程，等等）。Visual Studio也可以做到这些，并提供更友好的用户界面。另外，每个进程每次只能被一个调试器附上。这是否意味着如果我们用Visual Studio调...
八成网友：“提速降费”没诚意，运营商：委屈 - 资讯 - 清泛网 - 专注C/C++...
...网友说三家都没诚意
“谁大半夜上网啊，而且在家都有WiFi好吗？”
不过，网友们显然觉得三大运营商“割肉”不够多。在某网站9万多人参与的随机调查中，超过八成的网友说不满意，近八成的网友觉得三家都没诚意。
运营...
Finding local IP addresses using Python's stdlib
...alhost, etc), see this answer.
If you are behind a NAT firewall like your wifi box at home, then this will not show your public NAT IP, but instead your private IP on the local network which has a default route to your local WIFI router; getting your wifi router's external IP would either require r...
Detect the Internet connection is offline?
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Worked for me in HTML 5, JavaScript, in mac book (using wifi) even worked in mobile. but issue is- when wifi on it returns TRUE each time even I off wifi vice-versa.
– S.Yadav
Jun 19 '17 at 11:47
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iPhone Data Usage Tracking/Monitoring
... pdp_ip0 is your WWAN interface.
There is no good way to get information wifi/cellular network data since, particular date-time!
Data statistic (ifa_data->ifi_obytes and ifa_data->ifi_ibytes) are stored from previous device reboot.
I don't know why, but ifi_opackets and ifi_ipackets are...
PDO MySQL扩展模块 检测通不过？ - PHP - 清泛IT论坛，有思想、有深度
php.in中下面两行已经放开注释：
extension=pdo.so
extension=pdo_mysql.so
PDO检测仍然通不过。
终极解决方案：
php编译时加上如下参数，重新编译安装php：
--with-pdo-mysql
php编译安装完整参数请参见：http://www.tsingfun.com/html/2015/env_0826...
BLE 模块 透传问题 - 创客硬件开发 - 清泛IT社区，为创新赋能！
问一下老师 1.这个蓝牙传输一次，是一个多字节包？还是单一个字节？
2.我想传文件，是否要先设变量读进数据？有哪位老师给讲一下。
根据 ble ...
[解决] 注册DLL时报错：模块已加载，但对DllRegisterServer的调用失败，错...
错误代码0x80070005是没有使用管理员权限进行注册。
因此，使用管理员权限注册DLL即可解决，步骤如下：
Win键，搜索cmd，右键“以管理员身份运行”：
cd /d “dll所在的目录”
regsvr32.exe /i xxx.dll
Error message 'java.net.SocketException: socket failed: EACCES (Permission denied)'
...K_STATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
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