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WCF service startup error “This collection already contains an address with scheme http”
I built a web application containing a WCF service contract and a Silverlight control which makes calls to that WCF service. On my development and test servers it works great.
...
Determining the size of an Android view at runtime
I am trying to apply an animation to a view in my Android app after my activity is created. To do this, I need to determine the current size of the view, and then set up an animation to scale from the current size to the new size. This part must be done at runtime, since the view scales to differe...
How can I specify a local gem in my Gemfile?
...is is extremely helpful if you're developing two gems or a gem and a rails app side-by-side.
Note though, that this only works when you're already using git for your dependency, for example:
# In Gemfile
gem 'rack', :github => 'rack/rack', :branch => 'master'
# In your terminal
$ bundle con...
Postgres - FATAL: database files are incompatible with server
...
and then you'll need to rake db:setup and rake db:migrate from your Rails app to get setup again.
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Is file append atomic in UNIX?
In general, what can we take for granted when we append to a file in UNIX from multiple processes? Is it possible to lose data (one process overwriting the other's changes)? Is it possible for data to get mangled? (For example, each process is appending one line per append to a log file, is it po...
Docker can't connect to docker daemon
...s
See: Get started with Docker Machine and a local VM.
Install Docker.app on macOS
Alternatively to above solution, you can install a Docker app by:
brew cask install docker
Check this post for more details. See also: Cannot connect to the Docker daemon on macOS
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“Invalid signature file” when attempting to run a .jar
...ar as
is and just add it as a dependency in the manifest file for your
application jar file.
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ActionController::InvalidAuthenticityToken
Below is an error, caused by a form in my Rails application:
24 Answers
24
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How to run function in AngularJS controller on document ready?
...n simply attach the callback in the controller like so:
angular.module('MyApp', [])
.controller('MyCtrl', [function() {
angular.element(document).ready(function () {
document.getElementById('msg').innerHTML = 'Hello';
});
}]);
http://jsfiddle.net/jgentes/stwyvq38/1/
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hadoop No FileSystem for scheme: file
...is a typical case of the maven-assembly plugin breaking things.
Why this happened to us
Different JARs (hadoop-commons for LocalFileSystem, hadoop-hdfs for DistributedFileSystem) each contain a different file called org.apache.hadoop.fs.FileSystem in their META-INFO/services directory. This file l...