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Can't stop rails server
I am new to rails and I am using an ubuntu machine and the rubymine IDE. The problem is that I am unable to stop the rails server. I tried to stop the server by killing the rails process. But, when I run pgrep -l rails , no such process is found. So, I am only able to kill ruby processes, but, the ...
Converting a Pandas GroupBy output from Series to DataFrame
...taFrame. It has a hierarchical index, though:
In [19]: type(g1)
Out[19]: pandas.core.frame.DataFrame
In [20]: g1.index
Out[20]:
MultiIndex([('Alice', 'Seattle'), ('Bob', 'Seattle'), ('Mallory', 'Portland'),
('Mallory', 'Seattle')], dtype=object)
Perhaps you want something like this?
In ...
Convert MySQL to SQlite [closed]
...
The script just pulls arguments from the command line and passes them to mysqldump, so you can find out about configuring custom ports, etc with man mysql or man mysqldump
– Devin Howard
Oct 27 '15 at 4:47
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Django import error - no module named django.conf.urls.defaults
... party app, graphite. The issue has been fixed in graphite's master branch and version 0.9.14+.
In Django 1.8+ you can remove patterns from the import, and use a list of url()s instead.
from django.conf.urls import url, include
...
Convert String to Calendar Object in Java
... is online timestamp converter. The value which is calculated by java code and this online convert gets differ. Why?? Can u pls go through this. Thanks :)
– Sachin J
Oct 5 '12 at 9:47
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Vim: Move window left/right?
...
Ctrl w gives you the "windows command mode", allowing the following modifiers:
Ctrl w + R - To rotate windows up/left.
Ctrl w + r - To rotate windows down/right.
You can also use the "windows command mode" with navigation keys to change a window's positio...
What is the main difference between Inheritance and Polymorphism?
... was presented with this question in an end of module open book exam today and found myself lost. I was reading Head first Java and both definitions seemed to be exactly the same. I was just wondering what the MAIN difference was for my own piece of mind. I know there are a number of similar questi...
CSS Background Opacity [duplicate]
...
Children inherit opacity. It'd be weird and inconvenient if they didn't.
You can use a translucent PNG file for your background image, or use an RGBa (a for alpha) color for your background color.
Example, 50% faded black background:
<div style="backgroun...
Cannot change column used in a foreign key constraint
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The type and definition of foreign key field and reference must be equal.
This means your foreign key disallows changing the type of your field.
One solution would be this:
LOCK TABLES
favorite_food WRITE,
person WRITE;
AL...
html tables: thead vs th
...HTML table.
The thead element should be used in conjunction with the tbody and tfoot elements.
More : thead
You use <thead> to encapsulate an entire row (or rows) to designate them as the Table Header.
According to the spec,
"This division enables user agents to
support scrolling o...