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How can I map True/False to 1/0 in a Pandas DataFrame?
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284
A succinct way to convert a single column of boolean values to a column of integers 1 or 0:
d...
What is the fastest integer division supporting division by zero no matter what the result is?
... pushl %ebp
xorl %eax, %eax
movl %esp, %ebp
movl 12(%ebp), %edx
testl %edx, %edx
sete %al
addl %edx, %eax
movl 8(%ebp), %edx
movl %eax, %ecx
popl %ebp
movl %edx, %eax
sarl $31, %edx
idivl %ecx
ret
As this tur...
E731 do not assign a lambda expression, use a def
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236
The recommendation in PEP-8 you are running into is:
Always use a def statement instead of...
Unit tests vs Functional tests
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257
Unit Test - testing an individual unit, such as a method (function) in a class, with all depen...
How do you compare two version Strings in Java?
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28 Answers
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When should I use GET or POST method? What's the difference between them?
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267
It's not a matter of security. The HTTP protocol defines GET-type requests as being idempotent...
CSS I want a div to be on top of everything
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122
In order for z-index to work, you'll need to give the element a position:absolute or a position...
How can I combine multiple rows into a comma-delimited list in Oracle? [duplicate]
...ragg or creating a function.
create table countries ( country_name varchar2 (100));
insert into countries values ('Albania');
insert into countries values ('Andorra');
insert into countries values ('Antigua');
SELECT SUBSTR (SYS_CONNECT_BY_PATH (country_name , ','), 2) csv
FROM (SELECT c...
Check if a value is in an array (C#)
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234
Add necessary namespace
using System.Linq;
Then you can use linq Contains() method
string[...
Calculate last day of month in JavaScript
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20 Answers
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