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How do I find out which DOM element has the focus?

...o tab onto the element. If you click on it then neither the jquery :focus selector nor the document.activeElement succeeds in returning what you clicked on (returning undefined and document body element respectively). PS I can't believe this thread is 2 years old and there are still regression pro...
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Django: ImproperlyConfigured: The SECRET_KEY setting must not be empty

... I had the same error and it turned out to be a circular dependency between a module or class loaded by the settings and the settings module itself. In my case it was a middleware class which was named in the settings which itself tried to load th...
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Copy folder recursively in node.js

Is there an easier way to copy a folder and all its content without manually doing a sequence of fs.readir , fs.readfile , fs.writefile recursively ? ...
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how to prevent “directory already exists error” in a makefile when using mkdir

I need to generate a directory in my makefile and I would like to not get the "directory already exists error" over and over even though I can easily ignore it. ...
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npm global path prefix

...Homebrew). So: npm config set prefix /usr/local if it's something else, and Don't use sudo with npm! According to the jslint docs, you should just be able to npm install it. If you installed npm as sudo (sudo brew install), try reinstalling it with plain ol' brew install. Homebrew is supposed t...
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Is System.nanoTime() completely useless?

...ventov's answer offers a more up-to-date perspective. That post is wrong, and nanoTime is safe. There's a comment on the post which links to a blog post by David Holmes, a realtime and concurrency guy at Sun. It says: System.nanoTime() is implemented using the QueryPerformanceCounter/QueryPerfo...
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grant remote access of MySQL database from any IP address

...ERNAME & PASSWORD for remote access. You can check final outcome by: SELECT * from information_schema.user_privileges where grantee like "'USERNAME'%"; Finally, you may also need to run: mysql> FLUSH PRIVILEGES; Test Connection From terminal/command-line: mysql -h HOST -u USERNAME -p...
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Why does running the Flask dev server run itself twice?

I'm using Flask for developing a website and while in development I run flask using the following file: 6 Answers ...
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How do I find which rpm package supplies a file I'm looking for?

... : base Matched from: Filename : /bin/grep You may prefer the output and speed of the repoquery tool, available in the yum-utils package. sudo yum install yum-utils repoquery --whatprovides '*bin/grep' grep-0:2.5.1-55.el5.x86_64 grep-0:2.5.1-55.el5.x86_64 repoquery can do other queries such...
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Continuous Integration for Ruby on Rails? [closed]

...udson. It is designed for use with Java projects although there is a great selection of plug-ins available including support for Ruby and Rake. It has a very useful web interface and supports email notifications as well as many others (like twitter, or giant bear lamps). The community is also ver...