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How does the Brainfuck Hello World actually work?
...
+100
1. Basics
To understand Brainfuck you must imagine infinite array of cells initialized by 0 each.
...[0][0][0][0][0]...
When bra...
How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
...lly strange question. The interviewer asked me how can I compute 1+2+3+...+1000 just using compiler features. This means that I am not allowed to write a program and execute it, but I should just write a program that could drive the compiler to compute this sum while compilation and print the result...
Define variable to use with IN operator (T-SQL)
...bo].[list_to_table] (@list varchar(4000))
returns @tab table (item varchar(100))
begin
if CHARINDEX(',',@list) = 0 or CHARINDEX(',',@list) is null
begin
insert into @tab (item) values (@list);
return;
end
declare @c_pos int;
declare @n_pos int;
declare @l_pos int;
set @c_pos = 0;
set @n_...
When to use RSpec let()?
...ew }. Here's an example of how I use it: github.com/myronmarston/vcr/blob/v1.7.0/spec/vcr/util/…
– Myron Marston
Mar 19 '11 at 5:38
...
Efficiently updating database using SQLAlchemy ORM
...r me. But the problem is its slow. It needs a good piece of time for a few 100k data records. Is there maybe a faster method?
– baermathias
Dec 23 '16 at 18:16
...
jQuery table sort
...><td>Argentina</td><td>2005-04-04</td><td>100</td></tr>
<tr><td>USA</td><td></td><td>-6</td></tr>
</table>
** Update: 2018
For those that are interested, I've provided an ES6 Plain Javas...
How do I check that multiple keys are in a dict in a single pass?
...imer
>>> setup='''from random import randint as R;d=dict((str(R(0,1000000)),R(0,1000000)) for i in range(D));q=dict((str(R(0,1000000)),R(0,1000000)) for i in range(Q));print("looking for %s items in %s"%(len(q),len(d)))'''
>>> Timer('set(q) <= set(d)','D=1000000;Q=100;'+setup)....
What do the python file extensions, .pyc .pyd .pyo stand for?
...*x*x*x); return x; import timeit; print(timeit.repeat("for x in range(100): f(x)", "from __main__ import f", number=10000));
– Jorge Leitao
Feb 21 '15 at 20:33
...
range() for floats
...his could produce unpredictable results like:
>>> list(frange(0, 100, 0.1))[-1]
99.9999999999986
To get the expected result, you can use one of the other answers in this question, or as @Tadhg mentioned, you can use decimal.Decimal as the jump argument. Make sure to initialize it with a ...
Is it .yaml or .yml?
...e Google search counts for YML and YAML were approximately 6,000,000 and 4,100,000 (to two digits of precision). Furthermore, the "YAML" count was unfairly high because it included mention of the language by name, beyond its use as an extension.
As of July, 2018, the Google's search counts for YML ...