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Haversine Formula in Python (Bearing and Distance between two GPS points)
...m reading a paper. You have given me a pointer: haversine formula my first time to hear this, thank you.
– arilwan
Sep 3 '19 at 16:04
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What are the dark corners of Vim your mom never told you about? [closed]
...to how it was 15 minutes ago. Can take various arguments for the amount of time you want to roll back, and is dependent on undolevels. Can be reversed with the opposite command :later
share
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improv...
How to get a function name as a string?
...ke func_name, it works on built-in functions as well:
>>> import time
>>> time.time.func_name
Traceback (most recent call last):
File "<stdin>", line 1, in ?
AttributeError: 'builtin_function_or_method' object has no attribute 'func_name'
>>> time.time.__name__
'...
Gmail Error :The SMTP server requires a secure connection or the client was not authenticated. The s
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This generally happens when you try login from different time zone or IP Address Computer. Your production server and the mail id you have used both are in different time zone. Choose either of these two solutions:
1) Log in to production server via remote access, and sign in to g...
Can pandas automatically recognize dates?
...n, which is the most flexible way possible.
Suppose you have a column 'datetime' with your string, then:
from datetime import datetime
dateparse = lambda x: datetime.strptime(x, '%Y-%m-%d %H:%M:%S')
df = pd.read_csv(infile, parse_dates=['datetime'], date_parser=dateparse)
This way you can even com...
Difference between clustered and nonclustered index [duplicate]
...se case where data updates frequently, the SQL needs to update Index every time data is updated? And does it slow down the SQL when performing update? (of course I'm talking about huge data set)
– Krunal
Aug 7 '16 at 10:26
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Do I really have a car in my garage? [duplicate]
...a skill, and you don't have to do something else entirely -- when it comes time, they'll just use their towing skill on the trailer/boat instead of trying to start it up and drive it.
– cHao
Jul 24 '14 at 0:12
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How to quickly and conveniently create a one element arraylist [duplicate]
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@RavishBhagdev - not always. There are times when you may want to add stuff to the list later. In fact, I used exactly this answer's approach in a path-finding algorithm in graphs.
– Chthonic Project
Mar 17 '16 at 22:48
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What are the use-cases for Web Workers? [closed]
... it to hell and back. Get Back with coffee. Change a second #. Repeat many times. Click SAVE button.
The new workflow with the workers could be: Change the #. Get a status message that something is being recomputed but you can change other #s. Change more #s. When done changing, wait till status ch...
How to reference a file for variables using Bash?
...re that you quote them when needed.
Just something to keep in mind.
Real-time lookup
Another thing I like to do is to do a real-time lookup, avoiding the use of environment variables:
lookup() {
if [[ -z "$1" ]] ; then
echo ""
else
${AWK} -v "id=$1" 'BEGIN { FS = "=" } $1 == id { print $2 ;...