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How to check if command line tools is installed
... sphinx-doc dependency: python
Warning: Building python from source:
The bottle needs the Apple Command Line Tools to be installed.
You can install them, if desired, with:
xcode-select --install
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What is the best way to implement nested dictionaries?
...', 'plumbers'): 3,
('new jersey', 'mercer county', 'programmers'): 81,
('new jersey', 'middlesex county', 'programmers'): 81,
('new jersey', 'middlesex county', 'salesmen'): 62,
('new york', 'queens county', 'plumbers'): 9,
('new york', 'queens county', 'sales...
Execute command on all files in a directory
...r closing the file descriptor associated with the file. This will become a bottle-neck on your performance for running large iterations. Recommended suggestion would be to move it outside the loop.
Extending the above code with this fixes, you could do
( shopt -s nullglob; printf '%s\0' ./* ) | w...
How to get the difference between two arrays of objects in JavaScript
...tive JS, something like this will work:
a = [{ value:"4a55eff3-1e0d-4a81-9105-3ddd7521d642", display:"Jamsheer"}, { value:"644838b3-604d-4899-8b78-09e4799f586f", display:"Muhammed"}, { value:"b6ee537a-375c-45bd-b9d4-4dd84a75041d", display:"Ravi"}, { value:"e97339e1-939d-47ab-974c-1b68c9cfb536",...
Most efficient conversion of ResultSet to JSON?
...s is pretty slim as is.
Somehow I doubt this code is actually a critical bottle neck for memory or performance. Do you have any real reason to try to optimize it?
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What is self-documenting code and can it replace well documented code? [closed]
...s look at some actual code. Compare this typical code:
float a, b, c; a=9.81; b=5; c= .5*a*(b^2);
To this self-documenting code, which shows what is being done:
const float gravitationalForce = 9.81;
float timeInSeconds = 5;
float displacement = (1 / 2) * gravitationalForce * (timeInSeconds ^ 2)...
Passing enum or object through an intent (the best solution)
... Those extra options are in case that you have a case where there may be a bottle neck, like if you are deserialising millions of records (hope not). Use what you see fit...
– pablisco
Jun 27 '19 at 7:04
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Python: print a generator expression?
...t;>> sorted(x*x for x in range(10))
[0, 1, 4, 9, 16, 25, 36, 49, 64, 81]
Basically all the other comprehensions available in Python 3 and Python 2.7 is just syntactic sugar around a generator expression. Set comprehensions:
>>> {x*x for x in range(10)}
{0, 1, 4, 81, 64, 9, 16, 49, ...
How to parse XML to R data frame
...
latitude longitude start_valid_time hourly_temperature
1 29.81 -82.42 2013-06-19T16:00:00-04:00 91
2 29.81 -82.42 2013-06-19T17:00:00-04:00 90
3 29.81 -82.42 2013-06-19T18:00:00-04:00 89
4 29.81 -82.42 2013-06-19T19:...
How to select a CRAN mirror in R
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Oops, do chooseCRANmirror(81) and it brings up a prompt for you to enter a number. All in the console.
– Jared
Apr 4 '13 at 3:09
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