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How to check internet access on Android? InetAddress never times out
...ery fast. It needs to run in a separate task though (e.g. ScheduledExecutorService or AsyncTask).
Possible Questions
Is it really fast enough?
Yes, very fast ;-)
Is there no reliable way to check internet, other than testing something on the internet?
Not as far as I know, but let me know, and ...
Broadcast receiver for checking internet connection in android app
...xt) {
ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo netInfo = cm.getActiveNetworkInfo();
//should check null because in airplane mode it will be null
return (netInfo != null && netInfo.isConnected());
}
...
Open Redis port for remote connections
...etc/redis/redis.conf)
bind 127.0.0.1
After
bind 0.0.0.0
and run sudo service redis-server restart to restart the server. If that's not the problem, you might want to check any firewalls that might block the access.
Important: If you don't use a firewall (iptables, ufw..) to control who connec...
How to find server name of SQL Server Management Studio
...nfiguration Manager (search for it in the Start menu). Click on SQL Server Services. The instance name of SQL Server is in parenthesis inline with SQL Server service. If it says MSSQLSERVER, then it's the default instance. To connect to it in Management Studio, just type . (dot) OR (local) and clic...
How to use Class in Java?
...A framework (of sorts) I worked with required you to pass the classname of services your module depended on. I built a layer on top of that that took Class objects, as to restrict the amount of choices. Using the Class<? extends X> notation I figured I could limit it to 'service' types only. E...
Webfonts or Locally loaded fonts?
...igh-level description of their deployment.
Fonts.com
I haven't used this service, but they're a very established font vendor, and the information they've listed on their site is quite impressive. I don't have specs on their exact methods, but here's what I do know they have:
Some of the most wel...
BLE协议—广播和扫描 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...SRV_UUID = 0x15, /* 设备128bit服务UUID */
BLE_AD_TYPE_SERVICE_DATA = 0x16, /* 设备16bit服务UUID数据 */
BLE_AD_TYPE_PUBLIC_TARGET = 0x17, /* 设备公共目标地址 */
BLE_AD_TYPE_RANDOM_TARGET = 0x18, /* 设备随机目...
How to define different dependencies for different product flavors
...id.support:support-v4:22.2.0'
freeCompile 'com.google.android.gms:play-services-ads:7.5.0'
}
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Where is Erlang used and why? [closed]
... systems:
• Amazon uses Erlang to implement SimpleDB, providing database services as a part
of the Amazon Elastic Compute Cloud (EC2).
• Yahoo! uses it in its social bookmarking service, Delicious, which has more than
5 million users and 150 million bookmarked URLs.
• Facebook uses Erlang to p...
Transferring an app to another Firebase account
...ebase Console (at https://console.firebase.google.com), this is now a self-service process. See the answer to this question: How to add collaborators to a Firebase app? for a step-by-step guide.
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