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Rails.env vs RAILS_ENV
...to the docs, #Rails.env wraps RAILS_ENV:
# File vendor/rails/railties/lib/initializer.rb, line 55
def env
@_env ||= ActiveSupport::StringInquirer.new(RAILS_ENV)
end
But, look at specifically how it's wrapped, using ActiveSupport::StringInquirer:
Wrapping a string in this ...
Using the rJava package on Win7 64 bit with R
...
That is almost correct. This actually works:
install.packages('rJava', .libPaths()[1], 'http://www.rforge.net/')
Watch the punctuation! The mysterious “.libPaths()[1],” just tells R to install the package in the primary library directory. For some reason, leaving the value blank doesn’t wo...
Redefining NULL
...ss.
Nevertheless, with (heavy) modifications to the compiler and standard library, it's not impossible to have NULL be represented with an alternate bit pattern while still remaining strictly conformant to the standard library. It is not sufficient to simply change the definition of NULL itself how...
Rails how to run rake task
...
Have you tried rake reklamer:iqmedier ?
My custom rake tasks are in the lib directory, not in lib/tasks. Not sure if that matters.
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Change Bootstrap tooltip color
...: #f00;
/* Red */
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.bundle.min.js"></script>
<link href="https://stackpath.bootstrapcdn.com/bootstr...
BLE协议—广播和扫描 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...重要的一个技术点。在BLE中，扫描和广播是通信的基础，用户可以直接用扫描和广播进行数据的传输（数据量不大，功耗要求较高的情况下），也可以在广播和扫描的基础上进行连接后点对点通信。广播访问地址广播包：广播包...
API Versioning for Rails Routes
...asts - REST API Versioning. So simple. So maintainable. So effective.
Add lib/api_constraints.rb (don't even have to change vnd.example.)
class ApiConstraints
def initialize(options)
@version = options[:version]
@default = options[:default]
end
def matches?(req)
@default || req....
Is it possible to make an ASP.NET MVC route based on a subdomain?
...
I created library for subdomain routing which you can create such a route. It is working currently for a .NET Core 1.1 and .NET Framework 4.6.1 but will be updated in near future. This is how is it working:
1) Map subdomain route in S...
Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4)
...l api support which means that it is not documented for the public and the libraries may change at any time. I realize you don't want to leave the application but here's how you do it with an intent for anyone else wondering.
public void sendData(int num){
String fileString = "..."; //put the l...
Difference between open and codecs.open in Python
...later versions, including Python 3.4. See docs: http://docs.python.org/3.4/library/io.html
Now, for the original question: when reading text (including "plain text", HTML, XML and JSON) in Python 2 you should always use io.open() with an explicit encoding, or open() with an explicit encoding in Pyt...