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Reduce left and right margins in matplotlib plot
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One way to automatically do this is the bbox_inches='tight' kwarg to plt.savefig.
E.g.
import matplotlib.pyplot as plt
import numpy as np
data = np.arange(3000).reshape((100,30))
plt.imshow(data)
plt.savefig('test.png', bbox_inches='tight')
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How do I write a bash script to restart a process if it dies?
...crashing on your hands. The sleep 1 takes away the strain from that.
Now all you need to do is start this bash script (asynchronously, probably), and it will monitor myserver and restart it as necessary. If you want to start the monitor on boot (making the server "survive" reboots), you can sched...
Using git repository as a database backend
...d in my case. I'd like to emphasize that this rationale might not apply to all cases, so it's up to architect to decide.
Generally, the first main point my question misses is that I'm dealing with multi-user system that work in parallel, concurrently, using my server with a thin client (i.e. just a...
Going from a framework to no-framework [closed]
...3rd-party ads/badges/videos. Already in WebKit. Likely to be at least partially implemented in Firefox 11.)
Content Security Policy (Firefox 4's new security framework, complimentary to the sandbox attribute. Now also being implemented in Chrome.)
If you're accepting HTML as input, I recommend gr...
How to delete a record in Django models?
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Note that the first one will not call the .delete() method of the object, so if you have 'cleanup' code in that method it will not be called. Generally not an issue, but worth keeping in mind.
– Matthew Schinckel
Sep 28 ...
ActiveMQ or RabbitMQ or ZeroMQ or [closed]
...velopes are quite big.
ZeroMq is a very lightweight messaging system specially designed for high throughput/low latency scenarios like the one you can find in the financial world. Zmq supports many advanced messaging scenarios but contrary to RabbitMQ, you’ll have to implement most of them yourse...
How does one make a Zip bomb?
This question about zip bombs naturally led me to the Wikipedia page on the topic. The article mentions an example of a 45.1 kb zip file that decompresses to 1.3 exabytes.
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Azure SQL Database Bacpac Local Restore
... see any errors and the data seems to be there. Somebody mentions that installing newer version of SQL Server Data Tools helped them (but they are not referring to Management Studio) social.msdn.microsoft.com/Forums/windowsazure/en-US/…
– Juha Palomäki
Oct 2...
What is the difference between pluck and collect in Rails?
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When you do:
User.first.gifts.collect(&:id)
You have objects with all fields loaded and you simply get the id thanks to the method based on Enumerable.
So:
if you only need the id with Rails 4, use ids: User.first.gifts.ids
if you only need some fields with Rails 4, use pluck: User.first...
Images can't contain alpha channels or transparencies
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AFAIK png with transparency is not allowed. use jpg OR update your png (photoshop or whatever you using to create the png) and delete the transparency areas. if you work with shadows, use jpg, that will do no headaches.
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