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How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
....org/pub/repos/apt/ utopic-pgdg main
Follow below commands
wget -q -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
sudo apt-get update
sudo apt-get install postgresql-9.4
sudo pg_dropcluster --stop 9.4 main
sudo /etc/init.d/postgresql start
Now we have everything, ...
Map implementation with duplicate keys
...collect.ArrayListMultimap;
import com.google.common.collect.Multimap;
or https://commons.apache.org/proper/commons-collections/download_collections.cgi
import org.apache.commons.collections.MultiMap;
import org.apache.commons.collections.map.MultiValueMap;
...
Which, if any, C++ compilers do tail-recursion optimization?
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Unable to find valid certification path to requested target - error even after cert imported
...10 has 80, while JDK 8 has 151
JDK 10 has been recently added the certs
https://dzone.com/articles/openjdk-10-now-includes-root-ca-certificates
http://openjdk.java.net/jeps/319
JDK 10
root@c339504909345:/opt/jdk-minimal/jre/lib/security # keytool -cacerts -list
Enter keystore password:
Keyst...
How to get a complete list of object's methods and attributes?
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Simple logical operators in Bash
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Difference between Lookup() and Dictionary(Of list())
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JavaScript OOP in NodeJS: how?
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Run two async tasks in parallel and collect results in .NET 4.5
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REST authentication and exposing the API key
... source. Instead, a regular browser can only load it using <script src="https://our-api.com/get-csrf-token.js?apiKey=abc123"> (or a dynamic equivalent), and will then run the code. Of course, your server should not support Cross-Origin Resource Sharing nor JSONP for the generated JavaScript.
A...