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How does the Windows Command Interpreter (CMD.EXE) parse scripts?
...e special characters & | < or >, split the line at this point in order to handle pipes, command concatenation, and redirection.
In the case of a pipe (|), each side is a separate command (or command block) that gets special handling in phase 5.3
In the case of &, &&, or || co...
Finding all possible permutations of a given string in python
...ing. I want to generate all permutations from that string, by changing the order of characters in it. For example, say:
24 ...
Easiest way to activate PHP and MySQL on Mac OS 10.6 (Snow Leopard), 10.7 (Lion), 10.8 (Mountain Lio
...extMate, but the free TextWrangler or vi or nano will do too), and open:
/etc/apache2/httpd.conf
Find the line:
"#LoadModule php5_module libexec/apache2/libphp5.so"
And uncomment it (remove the #).
Download and install the latest MySQL version from mysql.com. Choose the x86_64 version...
How to see indexes for a database or table in MySQL?
...ABLE_SCHEMA = 'mydb'
AND INDEX_NAME != 'primary'
GROUP BY TABLE_NAME
ORDER BY COUNT(1) DESC;
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How to create a custom attribute in C#
...just data. However, using reflection, one can leverage those attributes in order to create functionality.
So, for instance, let's look at the Validation Application Block, from Microsoft's Enterprise Library. If you look at a code example, you'll see:
/// <summary>
/// blah blah code...
Flattening a shallow list in Python [duplicate]
... to do nested list comprehensions is to put the for statements in the same order as they would go in regular nested for statements.
Thus, this
for inner_list in outer_list:
for item in inner_list:
...
corresponds to
[... for inner_list in outer_list for item in inner_list]
So you ...
How can mixed data types (int, float, char, etc) be stored in an array?
... it has many names (kind of like dictionaries, hashes, associative arrays, etc.).
– Barmar
Sep 2 '13 at 17:40
...
How do I exchange keys with values in a dictionary?
... Are really values() and keys() guaranteed to have the same ordering?
– Lennart Regebro
Jul 6 '09 at 16:28
1
...
How do I parallelize a simple Python loop?
...y parallelizing: {sum(output2) - (finish-start)}')
print(f'returned in order given: {repr(output3)}')
if __name__ == '__main__':
main()
And here's the output:
$ python3 -m futuretest
original inputs: [0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0]
total time to execute 33 = sum([0, 3,...
Are there any worse sorting algorithms than Bogosort (a.k.a Monkey Sort)? [closed]
...ription
The probability of the original input list being in the exact order
it's in is 1/(n!). There is such a small likelihood of this that it's
clearly absurd to say that this happened by chance, so it must have
been consciously put in that order by an intelligent Sorter. Therefore
it...