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Android notification is not showing
...Text);
mNotificationManager =
(NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE);
// === Removed some obsoletes
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
{
String channelId = "Your_channel_id";
NotificationChannel channel = new NotificationChanne...
Storing Images in PostgreSQL
...near the same. Separating database is the best way for a "unified image webservice".
use bytea (BYTE Array): for caching thumbnail images. Cache the little images to send it fast to the web-browser (to avoiding rendering problems) and reduce server processing. Cache also essential metadata, like wi...
What is a stack trace, and how can I use it to debug my application errors?
...MyServlet.doPost(MyServlet.java:169)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler$C...
When should one use a 'www' subdomain?
...in a hyperlink, after all it's just a domain name.. Who says there's a web service there? Who says the reference to that domain is a reference to its web service?
What would you rather write/type/say.. "www." (4 chars) or "http://" (7 chars) ??
"www." is an established shorthand way of unambiguou...
How to publish a website made by Node.js to Github Pages?
...ides instructions for setting up with Vercel which appears to be a hosting service for node.js apps similar to github pages. I have not tried this though and so cannot speak to how well it works.
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How can I get the application's path in a .NET console application?
... the taskmgr cmdline column sort of backs up what I'm saying. A few system services with just the exe name. Never mind. What I'm trying to say is that when developing a console application there is no need to make things more complicated than they need to be. Especially when we already have the info...
Why does pattern matching in Scala not work with variables?
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What is an OS kernel ? How does it differ from an operating system? [closed]
...f the seed is the core of the operating system, providing operating system services to applications programs, which is surrounded by the "shell" of the seed that is what users see from the outside.
Some people want to tie "kernel" (and, indeed, "shell") down to be more specific than that. But in t...
MISCONF Redis is configured to save RDB snapshots
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Restart your redis server.
macOS (brew): brew services restart redis.
Linux: sudo service redis restart / sudo systemctl restart redis
Windows: Windows + R -> Type services.msc, Enter -> Search for Redis then click on restart.
I personally had this issue after u...
Set variable in jinja
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