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How to configure Ruby on Rails with no database?
...
For Rails 3 and Rails 4:
Use -O(Capital 'O') or --skip-activerecord option to generate an application without a database.
rails new myApp -O
or
rails new myApp --skip-activerecord
This Answer is reshared from here
For Rails 5:
Use --skip-active-r...
CURL alternative in Python
...le example using urllib2 that does a basic authentication against GitHub's API.
import urllib2
u='username'
p='userpass'
url='https://api.github.com/users/username'
# simple wrapper function to encode the username & pass
def encodeUserData(user, password):
return "Basic " + (user + ":" + ...
Access to private inherited fields via reflection in Java
...er. @seanizer Vector is not that old, and it'a a member of the collection API
– benzen
Aug 25 '10 at 17:53
"As of the...
JSONDecodeError: Expecting value: line 1 column 1 (char 0)
...() method can handle UTF8 encoded data natively.
pycurl has a very archaic API. Unless you have a specific requirement for using it, there are better choices.
requests offers the most friendly API, including JSON support. If you can, replace your call with:
import requests
return requests.get(ur...
When do I need to use AtomicBoolean in Java?
...f threads are
running through your code that uses
these atomic concurrency API, they
will scale much better than code
which uses Object level
monitors/synchronization. Since,
Java's synchronization mechanisms
makes code wait, when there are lots
of threads running through your
critical sections, a s...
Limit a stream by a predicate
...allelize such an operation, as you have to look at elements in order.
The API doesn't provide an easy way to do it, but what's probably the simplest way is to take Stream.iterator(), wrap the Iterator to have a "take-while" implementation, and then go back to a Spliterator and then a Stream. Or --...
How do sessions work in Express.js with Node.js?
... that could be altered to whatever storage form implements the appropriate API.
So if you want to check things without a specific req request object, like you said, you need to just access that same storage. On the bottom of the first documentation page, it details required methods the storage nee...
How to add an Access-Control-Allow-Origin header
...ud-control-panel" --header "X-Auth-User: your-cloud-username" https://auth.api.rackspacecloud.com/v1.0
From the results returned, extract the values for X-Auth-Token and X-Storage-Url
curl -X POST \
-H "Content-Type: font/woff" \
--header "X-Auth-Token: returned-x-auth-token" returned-x-stora...
Case objects vs Enumerations in Scala
...nknownCurrency being of type Currency can now sneak into other parts of an API.
It's advisable to push that case outside Enumeration and make the client deal with an Option[Currency] type that would clearly indicate there is really a matching problem and "encourage" the user of the API to sort it ou...
What is the meaning of addToBackStack with null parameter?
...ic abstract FragmentTransaction addToBackStack (String name)
Added in API level 11
Add this transaction to the back stack. This means that the transaction will be remembered after it is committed, and will reverse its operation when later popped off the stack.
Parameters
name A...