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What's the Linq to SQL equivalent to TOP or LIMIT/OFFSET?
... implements IQueryable. You may have to access that through a DataContext or some other provider.
It also assumes that Foo is a column in MyTable that gets mapped to a property name.
See http://blogs.msdn.com/vbteam/archive/2008/01/08/converting-sql-to-linq-part-7-union-top-subqueries-bill-horst....
How to access environment variable values?
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Environment variables are accessed through os.environ
import os
print(os.environ['HOME'])
Or you can see a list of all the environment variables using:
os.environ
As sometimes you might need to see a complete list!
# using get will return `None` if a key is not present rather...
How do I get the row count of a pandas DataFrame?
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You can use the .shape property or just len(DataFrame.index). However, there are notable performance differences ( len(DataFrame.index) is fastest).
Code to reproduce the plot:
import numpy as np
import pandas as pd
import perfplot
perfplot.save(
"o...
Should I check in node_modules to git when creating a node.js app on Heroku?
I followed the basic getting started instructions for node.js on Heroku here:
12 Answers
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SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu
I have been getting the following error when running a SQL to convert my data type value from varchar to datetime .
16 A...
What's a quick way to comment/uncomment lines in Vim?
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I use the NERD Commenter script. It lets you easily comment, uncomment or toggle comments in your code.
As mentioned in the comments:
for anyone who is confused by the usage, default leader is "\" so 10\cc will comment ten lines and 10\cu will uncomment those ten lines
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How can a Metro app in Windows 8 communicate with a backend desktop app on the same machine?
...on where you have the UI frontend built using the new Metro style of apps for windows 8, and would like it to communicate with a .NET application running on the desktop on the same local machine (e.g. a windows service app).
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Disable hover effects on mobile browsers
...s of the screen to light up with :hover effects (different background color, etc.) With a tablet, there's no mouse, so I don't want any hover effects.
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How to list variables declared in script in bash?
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set will output the variables, unfortunately it will also output the functions defines as well.
Luckily POSIX mode only outputs the variables:
( set -o posix ; set ) | less
Piping to less, or redirect to where you want the options.
So to get the variabl...
Adding a Google Plus (one or share) link to an email newsletter
I am trying to find a way to embed a share/+1 link for Google+ in a Newsletter, much like the Facebook share and tweeter tweet links can be embedded in a newsletter, which can be achieved with the following two urls:
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