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Lisp in the real world
...lisp-lang.org/success/
and a list of current companies using Common Lisp: https://github.com/azzamsa/awesome-lisp-companies
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Specifying rails version to use when creating a new application
...ew Rails 4.2.9 projects the steps are:
mkdir myapp
cd myapp
echo "source 'https://rubygems.org'" > Gemfile
echo "gem 'rails', '4.2.9'" >> Gemfile
bundle install
bundle exec rails new . --force --skip-bundle
bundle update
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An error occurred while signing: SignTool.exe not found
...amework 4. You would need to uninstall this prerelease product from ARP.
https://blogs.msdn.microsoft.com/vsnetsetup/2013/11/18/an-error-occurred-while-signing-signtool-exe-not-found/
Lastly you might want to install the customer preview instead of being on the developer preview
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Possible reason for NGINX 499 error codes
...y timeout...or fixing the list so it's only size 1, see above :)
See also: https://serverfault.com/a/783624/27813
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How to map a composite key with JPA and Hibernate?
...quals(that.getName()). The first will fail, if that is a proxy.
http://www.laliluna.de/jpa-hibernate-guide/ch06s06.html
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Convert python datetime to epoch with strftime
...dar.timegm(time.gmtime())
1504917998
Just following the official docs...
https://docs.python.org/2/library/time.html#module-time
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Java: notify() vs. notifyAll() all over again
... such an application, you don't care which thread gets woken up.
source: https://docs.oracle.com/javase/tutorial/essential/concurrency/guardmeth.html
Compare notify() with notifyAll() in the above described situation: a massively parallel application where threads are doing the same thing. If you...
Android adding simple animations while setvisibility(view.Gone)
...g in the animation listener.
The source code of the project is on GitHub:
https://github.com/jiahaoliuliu/ViewsAnimated
Happy coding!
Update: For any listener attached to the views, it should be removed after the animation ends. This is done by using
view.animate().setListener(null);
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What does “yield break;” do in C#?
...
Here http://www.alteridem.net/2007/08/22/the-yield-statement-in-c/ is very good example:
public static IEnumerable<int> Range( int min, int max )
{
while ( true )
{
if ( min >= max )
{
yield break;
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How to automatically generate a stacktrace when my program crashes
...to the article where I learned the details for this implementation:
http://www.linuxjournal.com/article/6391
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