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Pros and cons to use Celery vs. RQ [closed]
Currently I'm working on python project that requires implement some background jobs (mostly for email sending and heavily database updates). I use Redis for task broker. So in this point I have two candidates: Celery and RQ . I had some experience with these job queues, but I want to ask you guy...
Error in plot.new() : figure margins too large, Scatter plot
I've looked in different questions for a solution and I've tried what was suggested but I have not found a solution to make it work.
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Is it possible to set a custom font for entire of application?
I need to use certain font for my entire application. I have .ttf file for the same.
Is it possible to set this as default font, at application start up and then use it elsewhere in the application? When set, how do I use it in my layout XMLs?
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Polymorphism: Why use “List list = new ArrayList” instead of “ArrayList list = new ArrayList”? [dupl
...witch between different implementations of the List interface with ease.
For instance, say you were writing a fairly large 3rd party library, and say that you decided to implement the core of your library with a LinkedList. If your library relies heavily on accessing elements in these lists, then e...
What is the difference between “screen” and “only screen” in media queries?
... your examples one by one.
@media (max-width:632px)
This one is saying for a window with a max-width of 632px that you want to apply these styles. At that size you would be talking about anything smaller than a desktop screen in most cases.
@media screen and (max-width:632px)
This one is sayi...
Difference between DOM parentNode and parentElement
...t is new to Firefox 9 and to DOM4, but it has been present in all other major browsers for ages.
In most cases, it is the same as parentNode. The only difference comes when a node's parentNode is not an element. If so, parentElement is null.
As an example:
document.body.parentNode; // the <htm...
What's the difference between := and = in Makefile?
For variable assignment in Make, I see := and = operator. What's the difference between them?
3 Answers
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Mixing a PHP variable with a string literal
...ity when interpolating variables directly in strings.
Also, this doesn't work with single quotes. So:
echo '{$test}y';
will output
{$test}y
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How do you express binary literals in Python?
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For reference—future Python possibilities:
Starting with Python 2.6 you can express binary literals using the prefix 0b or 0B:
>>> 0b101111
47
You can also use the new bin function to get the binary representatio...
How do I turn on SQL debug logging for ActiveRecord in RSpec tests?
I have some RSpec tests for my models and I would like to turn on SQL ActiveRecord logging just like I see in the Rails server mode. How to do that?
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