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Zero-pad digits in string
...nBhut No. I’m 100% sure that it works. The documentation says so. I even tested it just for you: gist.github.com/klmr/e1319f6d921a382e86296cce06eb7dbd
– Konrad Rudolph
Feb 1 '18 at 12:07
...
Gesture recognizer and button actions
... For broader use, consider some variant on Ramesh's or flypig's test clauses. In my case, for example, I ended up with the line: if ( [touch.view isKindOfClass:[UIControl class]] || [[touch.view superview] isKindOfClass:[UITableViewCell class]] ) {... Note that tableview cells get "touche...
Why doesn't django's model.save() call full_clean()?
...nforced both from forms and from other calling code, the command line, and tests. Without this, there is (AFAICT) no way to write a test that ensures that a model has a FK relation to a specifically chosen (not default) other model.
class Payer(models.Model):
name = models.CharField(blank=True...
Access-Control-Allow-Origin wildcard subdomains, ports and protocols
... "http(s)?://(.+\.)?(othersite\.com|mywebsite\.com)(:\d{1,5})?$" CORS=$0
Testing After deploying:
The following curl response should have the "Access-Control-Allow-Origin" header after the change.
curl -X GET -H "Origin: http://examplesite1.com" --verbose http://examplesite2.com/query
...
How big is too big for a PostgreSQL table?
...olume of data on the table. Your lucky you know how much data will exist, test it for your volume and see what you get. Testing one table with 90 million rows may be as easy as:
select x,1 as c2,2 as c3
from generate_series(1,90000000) x;
https://wiki.postgresql.org/wiki/FAQ
Limit Value
Max...
Create JSON object dynamically via JavaScript (Without concate strings)
...
JavaScript
var myObj = {
id: "c001",
name: "Hello Test"
}
Result(JSON)
{
"id": "c001",
"name": "Hello Test"
}
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A regex to match a substring that isn't followed by a certain other substring
...
Try:
/(?!.*bar)(?=.*foo)^(\w+)$/
Tests:
blahfooblah # pass
blahfooblahbarfail # fail
somethingfoo # pass
shouldbarfooshouldfail # fail
barfoofail # fail
Regular expression explanation
NODE EXPLANAT...
How should I structure a Python package that contains Cython code
...
http://docs.cython.org/en/latest/src/userguide/source_files_and_compilation.html#distributing-cython-modules
It is strongly recommended that you distribute the generated .c files as well as your Cython sources, so that users can install your module wit...
pandas dataframe columns scaling with sklearn
...import MinMaxScaler
>>> scaler = MinMaxScaler()
>>> dfTest = pd.DataFrame({'A':[14.00,90.20,90.95,96.27,91.21],
'B':[103.02,107.26,110.35,114.23,114.68],
'C':['big','small','big','small','small']})
>>> dfTest[['A', ...
multi-layer perceptron (MLP) architecture: criteria for choosing number of hidden layers and size of
...ng the number of neurons in the Hidden Layer:
During your model building, test obsessively; testing will reveal the signatures of "incorrect" network architecture. For instance, if you begin with an MLP having a hidden layer comprised of a small number of nodes (which you will gradually increase as...