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How to drop columns using Rails migration
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And make sure to do this inside up and down methods, not change, as explained in the answer by @Powers.
– XåpplI'-I0llwlg'I -
Aug 30 '13 at 5:32
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How to set Bullet colors in UL/LI html lists via CSS without using any images or span tags [duplicat
...et/leaverou/ytH5P/
Will work in all browsers, including IE from version 8 and up.
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MongoDB with redis
...n anyone give example use cases of when you would benefit from using Redis and MongoDB in conjunction with each other?
3 An...
combinations between two lists?
It’s been a while and I’m having trouble wrapping my head around a algorithm I’m try to make. Basically, I have two lists and want to get all the combinations of the two lists.
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Use HTML5 to resize an image before upload
I have found a few different posts and even questions on stackoverflow answering this question. I am basically implementing this same thing as this post .
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Using node.js as a simple web server
...pm install http-server -g
Now you can run a server via the following commands:
$ cd MyApp
$ http-server
If you're using NPM 5.2.0 or newer, you can use http-server without installing it with npx. This isn't recommended for use in production but is a great way to quickly get a server running ...
Do I need a content-type header for HTTP GET requests?
...e.
It means that the Content-Type HTTP header should be set only for PUT and POST requests.
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How can you diff two pipelines in Bash?
...two pipelines without using temporary files in Bash? Say you have two command pipelines:
3 Answers
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How can I put the current running linux process in background? [closed]
I have a command that uploads files using git to a remote server from the Linux shell and it will take many hours to finish.
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Python memory leaks [closed]
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I tried out most options mentioned previously but found this small and intuitive package to be the best: pympler
It's quite straight forward to trace objects that were not garbage-collected, check this small example:
install package via pip install pympler
from pympler.tracker import Summ...