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ActiveRecord: List columns in table from console
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This will list the column_names from a table
Model.column_names
e.g. User.column_names
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Plot smooth line with PyPlot
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You could use scipy.interpolate.spline to smooth out your data yourself:
from scipy.interpolate import spline
# 300 represents number of points to make between T.min and T.max
xnew = np.linspace(T.min(), T.max(), 300)
power_smooth = spline(T, power, xnew)
plt.plot(xnew,power_smooth)
plt.show(...
Node.js + Nginx - What now?
... res.writeHead(200, {'Content-Type': 'text/plain'});
res.end('Hello from app1!\n');
}).listen(3000, "127.0.0.1");
console.log('Server running at http://127.0.0.1:3000/');
node app2.js
var http = require('http');
http.createServer(function (req, res) {
res.writeHead(200, {'Content-Type'...
What does HTTP/1.1 302 mean exactly?
Some article I read once said that it means jumping (from one URI to another), but I detected this "302" even when there was actually no jumping at all!
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How to stop app that node.js express 'npm start'
...ners, which are usually quite restrictive to how you manipulate processes. From my very personal perspective - that is most elegant approach.
– Der Zinger
May 11 '18 at 10:08
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Save An Image To Application Documents Folder From UIView On IOS
...esentation(image);
This pulls out PNG data of the image you've captured. From here, you can write it to a file:
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsPath = [paths objectAtIndex:0]; //Get the docs directory
NSString...
HttpClient.GetAsync(…) never returns when using await/async
...can do some parallel processing if necessary (borrowing additional threads from the thread pool), but only one thread would have the request context (the additional threads do not have the request context).
This is managed by the ASP.NET SynchronizationContext.
By default, when you await a Task, t...
How to get rid of punctuation using NLTK tokenizer?
...arting to use NLTK and I don't quite understand how to get a list of words from text. If I use nltk.word_tokenize() , I get a list of words and punctuation. I need only the words instead. How can I get rid of punctuation? Also word_tokenize doesn't work with multiple sentences: dots are added to ...
What exactly is Python multiprocessing Module's .join() Method Doing?
Learning about Python Multiprocessing (from a PMOTW article ) and would love some clarification on what exactly the join() method is doing.
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Why use 'virtual' for class properties in Entity Framework model definitions?
...rtual in your base class POCOs. It literally creates new types that derive from your POCO types. So your POCO is acting as a base type for the Entity Framework's dynamically created subclasses. That's what I meant by "create a proxy around".
The dynamically created subclasses that the Entity Framew...