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socket.error: [Errno 48] Address already in use
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You already have a process bound to the default port (8000). If you already ran the same module before, it is most likely that process still bound to the port. Try and locate the other process first:
$ ps -fA | grep python
501 81651 12648 0 9:53PM ttys000 0:00.16 p...
Why not be dependently typed?
...ming a dependently-typed language". The implication seems to be that with more and more language extensions, Haskell is drifting in that general direction, but isn't there yet.
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File path to resource in our war/WEB-INF folder?
... you can read a file from there in a servlet context. I don't know how to form the path to the resource though:
3 Answers
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How to design RESTful search/filtering? [closed]
... a search. You do not have to literally create something in a database in order to use a POST.
For example:
Accept: application/json
Content-Type: application/json
POST http://example.com/people/searches
{
"terms": {
"ssn": "123456789"
},
"order": { ... },
...
}
You are creating a...
How to check if a URL is valid
...module distributed with Ruby:
require 'uri'
if url =~ URI::regexp
# Correct URL
end
Like Alexander Günther said in the comments, it checks if a string contains a URL.
To check if the string is a URL, use:
url =~ /\A#{URI::regexp}\z/
If you only want to check for web URLs (http or https)...
'Specified condition “$(PackageAsSingleFile)” evaluates to “” instead of a boolean?
The visual studio 2012 on my PC get the following error message when preview in the "Public Web". I need to restart VS to get rid of the error message.
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“Unknown provider: aProvider
...ough UglifyJS) version of my AngularJS application, I get the following error in the console:
9 Answers
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Why is it bad practice to call System.gc()?
After answering a question about how to force-free objects in Java (the guy was clearing a 1.5GB HashMap) with System.gc() , I was told it's bad practice to call System.gc() manually, but the comments were not entirely convincing. In addition, no one seemed to dare to upvote, nor downvote my ...
How do I find the number of arguments passed to a Bash script?
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The number of arguments is $#
Search for it on this page to learn more:
http://tldp.org/LDP/abs/html/internalvariables.html#ARGLIST
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iOS (iPhone, iPad, iPodTouch) view real-time console log terminal
...cumented by Apple in Technical Q&A QA1747 Debugging Deployed iOS Apps for Xcode 6 is:
Choose Window -> Devices from the Xcode menu.
Choose the device in the left column.
Click the up-triangle at the bottom left of the right hand panel to show the device console.
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