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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...
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 do I put the image on the right side of the text in a UIButton?
...view if I can avoid it. I want a UIButton with a background image, text, and an image in it. Right now, when I do that, the image is on the left side of the text. The background image, text, and image all have different highlight states.
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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
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There is no better way I know of. Bash knows only status codes (integers) and strings written to the stdout.
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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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.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 ...
Extract elements of list at odd positions
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Solution
Yes, you can:
l = L[1::2]
And this is all. The result will contain the elements placed on the following positions (0-based, so first element is at position 0, second at 1 etc.):
1, 3, 5
so the result (actual numbers) will be:
2, 4, 6
Explanation...