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What is the best django model field to use to represent a US dollar amount?
...u want to represent the national debt, in which case max_digits has to be > 20
– Bron Davies
Aug 17 '16 at 14:44
4
...
How to exclude a file extension from IntelliJ IDEA search?
... file by package managers), here's what I had to do for that:
Goto File >> Project Structure (or just press Command+;)
Select Modules under Project Settings
Add a pattern or file names to the Exclude files text-box, in this case: *.lock;package-lock.json and hit Apply, and then ok.
...
MongoDB vs. Cassandra [closed]
...arly scalable (amortized constant time reads & writes) dynamo/google bigtable hybrid that features fast writes regardless of data size. It's feature set is minimalistic, little beyond that of an ordered key value store. MongoDB is a heavily featured (and fast) document store at the cost of durab...
How persistent is localStorage?
...zilla implements it like cookies:
DOM Storage can be cleared via "Tools -> Clear Recent History -> Cookies" when Time range is "Everything" (via nsICookieManager::removeAll)
https://developer.mozilla.org/en/DOM/Storage
In DOM Storage it is not possible to specify an expiration period for any ...
What is the best way to insert source code examples into a Microsoft Word document?
...om/a/2653406/931265
Creating an object solved all of my problems.
Insert > Object > Opendocument Text
This will open a document window, paste your text, format it how you want, and close it.
The result is a figure. Right click the object, and select 'add a caption'.
You can now make cross ...
mongodb/mongoose findMany - find all documents with IDs listed in array
...se with callback:
Model.find().where('_id').in(ids).exec((err, records) => {});
Using Mongoose with async function:
records = await Model.find().where('_id').in(ids).exec();
Don't forget to change Model with your actual model.
...
Why does Eclipse Java Package Explorer show question mark on some classes?
...d by the Git team
provider. Here only the preference settings under Team -> Ignored
Resources and the "derived" flag are relevant. The .gitignore file is
not taken into account.
dirty - The resource has changes in the
working tree that are neither in the index nor in the repository.
staged - The...
Matplotlib discrete colorbar
...r. I like having the ticks in the middle of the color so that the number -> color mapping is more clear. You can solve this problem by changing the limits of the matshow call:
import matplotlib.pyplot as plt
import numpy as np
def discrete_matshow(data):
#get discrete colormap
cmap = pl...
Analyze audio using Fast Fourier Transform
...r all frequencies. The rest of your coefficients will count up from 0 in multiples of 172 Hz until you get to 128. In an FFT, you only can measure frequencies up to half your sample points. Read these links on the Nyquist Frequency and Nyquist-Shannon Sampling Theorem if you are a glutton for punish...
C# Equivalent of SQL Server DataTypes
... var index = Array.IndexOf(SqlServerTypes, typeName);
return index > -1
? CSharpTypes[index]
: "object";
}
public string ConvertCSharpFormatToSqlServer(string typeName)
{
var index = Array.IndexOf(CSharpTypes, typeName);
return index > -1
? SqlServerTyp...