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What does the “at” (@) symbol do in Python?
...he @ sign.
First sighting
The microframework Flask introduces decorators from the very beginning in the following format:
from flask import Flask
app = Flask(__name__)
@app.route("/")
def hello():
return "Hello World!"
This in turn translates to:
rule = "/"
view_func = hello
# They g...
SonarQube Exclude a directory
I am trying to exclude a directory from being analyzed by Sonar. I have the following properties defined in my sonar-project.properties file:
...
Python csv string to array
... to a file object using io.StringIO and then pass that to the csv module:
from io import StringIO
import csv
scsv = """text,with,Polish,non-Latin,letters
1,2,3,4,5,6
a,b,c,d,e,f
gęś,zółty,wąż,idzie,wąską,dróżką,
"""
f = StringIO(scsv)
reader = csv.reader(f, delimiter=',')
for row in re...
remove all variables except functions
...side note, I'll be darned if I can figure the difference between those two from their documentation).
– Josh O'Brien
Nov 29 '11 at 17:04
...
offsetting an html anchor to adjust for fixed header [duplicate]
... (I hope that makes sense). I need a way to offset the anchor by the 25px from the height of the header. I would prefer HTML or CSS, but Javascript would be acceptable as well.
...
How to call Base Class's __init__ method from the child class? [duplicate]
If I have a python class as:
4 Answers
4
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Add leading zeroes/0's to existing Excel values to certain length
...uestions and quality answers on SO regarding how to prevent leading zeroes from getting stripped when importing to or exporting from Excel. However, I already have a spreadsheet that has values in it that were truncated as numbers when, in fact, they should have been handled as strings. I need to ...
Dealing with “java.lang.OutOfMemoryError: PermGen space” error
...
On tomcat 6.0.29 startup, from my catalina.out logfile: "Please use CMSClassUnloadingEnabled in place of CMSPermGenSweepingEnabled in the future"
– knb
Jul 27 '11 at 11:59
...
logger configuration to log to file and print to stdout
...e done only once near the beginning of the script. You can use the logging from all other places in the codebase later like this:
logging.info('Useful message')
logging.error('Something bad happened')
...
Note: If it doesn't work, someone else has probably already initialized the logging system d...
Is there an alternative to bastard injection? (AKA poor man's injection via default constructor)
..." library
BTW, the terminology used here is based on the pattern language from my book.
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