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What is the difference between Strategy design pattern and State design pattern?
What are the differences between the Strategy design pattern and the State design pattern? I was going through quite a few articles on the web but could not make out the difference clearly.
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My docker container has no internet
....x.x, then the container will not be able to resolve the domain names into ip addresses, so ping google.com will fail.
Second thing to check is run cat /etc/resolv.conf on the host machine. Docker basically copies the host's /etc/resolv.conf to the container everytime a container is started. So if ...
How do I set up DNS for an apex domain (no www) pointing to a Heroku app?
... to point your apex domain you'd use an A record pointing to your server's IP. This solution doesn't scale and isn't viable for a cloud platform like Heroku, where multiple and frequently changing backends are responsible for responding to requests.
For subdomains (like www.example.com) you can use...
vertical align middle in
I want to keep the height of #abc div at 50px and text to align vertically in the middle of the div .
10 Answers
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Copying text outside of Vim with set mouse=a enabled
...answered Jan 5 '11 at 19:31
FrançoisFrançois
7,11022 gold badges1818 silver badges1616 bronze badges
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Format a datetime into a string with milliseconds
...nswered Dec 4 '13 at 16:50
N FayçalN Fayçal
7111 silver badge66 bronze badges
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Get city name using geolocation
...charset=UTF-8"/>
<title>Reverse Geocoding</title>
<script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?sensor=false"></script>
<script type="text/javascript">
var geocoder;
if (navigator.geolocation) {
navigator.geolocation.getCurr...
Do you get charged for a 'stopped' instance on EC2? [closed]
...ine time
Storage space (assumably you store the image on S3 [EBS])
Elastic IP addresses
Bandwidth
So... if you stop the EC2 instance you will only have to pay for the storage of the image on S3 (assuming you store an image ofcourse) and any IP addresses you've reserved.
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How to link Docker services across hosts?
Docker allows servers from multiple containers to connect to each other via links and service discovery . However, from what I can see this service discovery is host-local. I would like to implement a service that uses other services hosted on a different machine.
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how to get request path with express req object
I'm using express + node.js and I have a req object, the request in the browser is /account but when I log req.path I get '/' --- not '/account'.
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