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What is the difference between Amazon SNS and Amazon SQS?
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The answers on this thread are a little bit outdated, so I've decided to add my two cents to it:
You can see SNS as a traditional topic which you can have multiple Subscribers. You can have heterogeneous subscribers for one given SNS topic, inclu...
How do I toggle an element's class in pure JavaScript?
...t least in FF) so for those looking to toggle classes on multiple elements read on :-) (I did not read on at first - thus my comment! )
– kev1807
Jun 15 at 15:05
add a commen...
Merge and interleave two arrays in Ruby
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@Leo, @chuck: if you read the example you will see that Chris wants to interleave the elements, not concatenate them. Essentially, he wants [a, s].transpose except that the two rows don't conform, leaving #zip as the obvious solution. And I don't...
Why does my Spring Boot App always shutdown immediately after starting?
...pring-boot:run --debug
and look for messages like -
[WARNING] error reading
/Users/sparrowmac1/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/8.5.20/tomcat-embed-core-8.5.20.jar;
invalid LOC header (bad signature) [WARNING] error reading
/Users/sparrowmac1/.m2/repository/com/f...
Detect encoding and make everything UTF-8
I'm reading out lots of texts from various RSS feeds and inserting them into my database.
24 Answers
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SVN Commit specific files
...ts printer on fire" printer-driver/*.c
You can also have the svn command read the list of files to commit from a file:
$ svn ci -m "Now works" --targets fix4711.txt
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improve this answer
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Ship an application with a database
...n uses it. (Note: You might want to run the database code in a separate thread if it uses a lot of resources.)
package android.example;
import android.app.Activity;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
/**
* @author Danny Remington - MacroSolve
*
* ...
How do I limit the number of results returned from grep?
...m 10 PATTERN [FILE]
From man grep:
-m NUM, --max-count=NUM
Stop reading a file after NUM matching lines. If the input is
standard input from a regular file, and NUM matching lines are
output, grep ensures that the standard input is positioned to
just after...
Lambda expression vs method reference [closed]
...vs an anonymous class"? And the answer is the same: when you find it more readable. There are certainly cases that are definitely one or definitely the other but there's a host of grey in the middle, and judgment must be used.
The theory behind method refs is simple: names matter. If a method ...
How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
... should go on SU... migration is certainly an option, but more programmers read questions here, so here goes).
12 Answers
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