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Explanation of the UML arrows
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Here's some explanations from the Visual Studio 2015 docs:
UML Class Diagrams: Reference: https://msdn.microsoft.com/library/dd409437%28VS.140%29.aspx
5: Association: A relationship between the members of two classifiers.
5a: Aggregation: An associ...
Converting NumPy array into Python List structure?
...,6]]).tolist()
[[1, 2, 3], [4, 5, 6]]
Note that this converts the values from whatever numpy type they may have (e.g. np.int32 or np.float32) to the "nearest compatible Python type" (in a list). If you want to preserve the numpy data types, you could call list() on your array instead, and you'll e...
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...
Bash array with spaces in elements
I'm trying to construct an array in bash of the filenames from my camera:
10 Answers
1...
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...
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:
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Dealing with “java.lang.OutOfMemoryError: PermGen space” error
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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
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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 ...
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.
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How do I step out of a loop with Ruby Pry?
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To exit Pry unconditionally, type
exit-program
Edit from @Nick's comment: Also works:
!!!
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