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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...
How to check if AlarmManager already has an alarm set?
...
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 do you determine the size of a file in C?
...h would be ambiguous for an empty file. off_t is a signed type so this is possible.
If you want fsize() to print a message on error, you can use this:
#include <sys/stat.h>
#include <sys/types.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
off_t fsize(...
Clone contents of a GitHub repository (without the folder itself)
I'd like to git clone the contents of a repository I have on GitHub . When I git clone (git@github:me/name.git...) I get a folder called name/ and inside name I have my contents... How do I get JUST the contents?
...
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?
...
Import error: No module name urllib2
...ted in the urllib2 documentation:
The urllib2 module has been split across several modules in Python 3 named urllib.request and urllib.error. The 2to3 tool will automatically adapt imports when converting your sources to Python 3.
So you should instead be saying
from urllib.request import url...
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
...
XDocument or XmlDocument
...tent. For example, you can stream a large document but use LINQ to XML by positioning an XmlReader at the start of an element, reading an XElement from it and processing it, then moving on to the next element etc. There are various blog posts about this technique, here's one I found with a quick sea...
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 do I install and use curl on Windows?
...
You might already have curl
It is possible that you won't need to download anything:
If you are on Windows 10, version 1803 or later, your OS ships with a copy of curl, already set up and ready to use.
If you have Git for Windows installed (if you downloaded...