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Add Keypair to existing EC2 instance
...ces. These steps were originally posted by Utkarsh Sengar (aka. @zengr) at http://utkarshsengar.com/2011/01/manage-multiple-accounts-on-1-amazon-ec2-instance/. I've made only a few small changes.
Step 1: login by default “ubuntu” user:
$ ssh -i my_orig_key.pem ubuntu@111.111.11.111
Step 2: ...
Why are arrays of references illegal?
...omment to your edit:
Better solution is std::reference_wrapper.
Details:
http://www.cplusplus.com/reference/functional/reference_wrapper/
Example:
#include <iostream>
#include <functional>
using namespace std;
int main() {
int a=1,b=2,c=3,d=4;
using intlink = std::reference_...
Add primary key to existing table
I have an existing table called Persion . In this table I have 5 columns:
10 Answers
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Oracle “Partition By” Keyword
Can someone please explain what the partition by keyword does and give a simple example of it in action, as well as why one would want to use it? I have a SQL query written by someone else and I'm trying to figure out what it does.
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How do I handle too long index names in a Ruby on Rails ActiveRecord migration?
I am trying to add an unique index that gets created from the foreign keys of four associated tables:
9 Answers
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How to enumerate an enum with String type?
For example, how can I do something like:
42 Answers
42
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Converting between java.time.LocalDateTime and java.util.Date
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Everything is here : http://blog.progs.be/542/date-to-java-time
The answer with "round-tripping" is not exact : when you do
LocalDateTime ldt = LocalDateTime.ofInstant(instant, ZoneOffset.UTC);
if your system timezone is not UTC/GMT, you cha...
Why would an Enum implement an Interface?
I just found out that Java allows enums to implement an interface. What would be a good use case for that?
16 Answers
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How to get index using LINQ? [duplicate]
Given a datasource like that:
7 Answers
7
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Run a Docker image as a container
...b.
After you run these images, you can then access the WebDAV instance at http://localhost:8888/webdav. Internally the folder /var/webdav is used as the WebDAV root.
You can run this container in the following way:
$ docker run -d -e USERNAME=test -e PASSWORD=test -p 8888:80 morrisjobke/webdav
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