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Can I set background image and opacity in the same property?

I can see in CSS references how to set image transparency and how to set a background image . But how can I combine these two in order to set a transparent background image? ...
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how to log in to mysql and query the database from linux terminal

...om linux terminal? It depends. Red Hat based distros have the service command: service mysqld stop Other distros require to call the init script directly: /etc/init.d/mysqld stop 3. How I start the mysql server from linux terminal? Same as #2, but with start. 4. How do I get mysql prompt in...
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How can I upgrade specific packages using pip and a requirements file?

...ngo projects. I'm trying to upgrade some packages, notably Django itself, and I'm getting an error about source code conflicts: ...
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How to architect an Ember.js application

...een difficult to keep up with the evolution of Ember JS as its approached (and reached!) version 1.0.0. Tutorials and documentation have come and gone, leading to a lot of confusion about best practices and the intent of the original developers. ...
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How to get item's position in a list?

I am iterating over a list and I want to print out the index of the item if it meets a certain condition. How would I do this? ...
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How to toggle a value in Python

What is the most efficient way to toggle between 0 and 1 ? 17 Answers 17 ...
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How to deploy correctly when using Composer's develop / production switch?

...be installed in production (on the live server). This is (in theory) very handy for scripts that only make sense in development, like tests, fake-data-tools, debugger, etc. ...
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How can I test https connections with Django as easily as I can non-https connections using 'runserv

I have an application that uses "secure" cookies and want to test it's functionality without needing to set up a complicated SSL enabled development server. Is there any way to do this as simply as I can test non-encrypted requests using ./manage.py runserver ? ...
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How to return a string value from a Bash function

... There is no better way I know of. Bash knows only status codes (integers) and strings written to the stdout. share | improve this answer | follow | ...
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.prop() vs .attr()

...dation to prefer attr(). Original answer If you've only ever used jQuery and not the DOM directly, this could be a confusing change, although it is definitely an improvement conceptually. Not so good for the bazillions of sites using jQuery that will break as a result of this change though. I'll ...