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How to run a shell script at startup
... this a crucial directory Linux needs to start up? It's just missing an my OS seems to run fine. Do I have to create it? I see a bunch of similarly named files like "rc1.d" all the way to "rc5.d"
– OKGimmeMoney
Feb 13 '15 at 21:12
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What is the most efficient way to store tags in a database?
...y website similar to one stackoverflow uses, my question is - what is the most effective way to store tags so that they may be searched and filtered?
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Unix command-line JSON parser? [closed]
Can anyone recommend a Unix (choose your flavor) JSON parser that could be used to introspect values from a JSON response in a pipeline?
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ERROR: permission denied for sequence cities_id_seq using Postgres
I'm new at postgres (and at database info systems all in all). I ran following sql script on my database:
4 Answers
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How to check if AlarmManager already has an alarm set?
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Following up on the comment ron posted, here is the detailed solution. Let's say you have registered a repeating alarm with a pending intent like this:
Intent intent = new Intent("com.my.package.MY_UNIQUE_ACTION");
PendingIntent pendingIntent = PendingInte...
How to make pipes work with Runtime.exec()?
...n.readLine()) != null) {
System.out.println(line);
}
in.close();
} catch (Exception ex) {
ex.printStackTrace();
}
As to why the String array works with pipe, while a single string does not... it's one of the mysteries of the universe (especially if you haven't read the source ...
Difference between android.app.Fragment and android.support.v4.app.Fragment
...ices running API 11 or above, you can use android.app.Fragment.
Edit: the OS-contained android.app.Fragment is now deprecated (as of API level 28), and everyone should move to using the support library implementations.
shar...
How can I get a favicon to show up in my django app?
...tting favicons working when you don't really have other static content to host.
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Message Queue vs Message Bus — what are the differences?
... as you describe.
The BUS vs. QUEUE is indeed somewhat a legacy concept, most recently stemming from systems like IBM MQ and Tibco Rendezvous. MQ was originally a 1:1 system, indeed a queue to decouple various systems.
Tibco by contrast was (sold as a) messaging backbone, where you could have mul...
NSNotificationCenter addObserver in Swift
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Swift 4.0 & Xcode 9.0+:
Send(Post) Notification:
NotificationCenter.default.post(name: Notification.Name("NotificationIdentifier"), object: nil)
OR
NotificationCenter.default.post(name: Notification.Name("NotificationIdentifier"), object: nil, userInf...