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YYYY-MM-DD format date in shell script
...le to use printf's built-in date formatter (part of bash) rather than the em>x m>ternal date (usually GNU date).
As such:
# put current date as yyyy-mm-dd in $date
# -1 -> em>x m>plicit current date, bash >=4.3 defaults to current time if not provided
# -2 -> start time for shell
printf -v date '%(...
Measuring the distance between two coordinates in PHP
...
Not long ago I wrote an em>x m>ample of the haversine formula, and published it on my website:
/**
* Calculates the great-circle distance between two points, with
* the Haversine formula.
* @param float $latitudeFrom Latitude of start point in [deg de...
What is “m>X m>-Content-Type-Options=nosniff”?
...specting this header, including Chrome/Chromium, Edge, IE >= 8.0, Firefom>x m> >= 50 and Opera >= 13. See :
https://blogs.msdn.com/b/ie/archive/2008/09/02/ie8-security-part-vi-beta-2-update.aspm>x m>?Redirected=true
Sending the new m>X m>-Content-Type-Options response header with the value
nosniff ...
How do you programmatically set an attribute?
Suppose I have a python object m>x m> and a string s , how do I set the attribute s on m>x m> ? So:
4 Answers
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Ruby, Difference between em>x m>ec, system and %m>x m>() or Backticks
...You have to provide the command as a string argument to this method. For em>x m>ample:
>> system("date")
Wed Sep 4 22:03:44 CEST 2013
=> true
The invoked program will use the current STDIN, STDOUT and STDERR objects of your Ruby program. In fact, the actual return value is either true, false...
Counting the Number of keywords in a dictionary in python
...ill negligible in comparison to whatever else your program is doing.
d = {m>x m>: m>x m>**2 for m>x m> in range(1000)}
len(d)
# 1000
len(d.keys())
# 1000
%timeit len(d)
# 41.9 ns ± 0.244 ns per loop (mean ± std. dev. of 7 runs, 10000000 loops each)
%timeit len(d.keys())
# 83.3 ns ± 0.41 ns per loop (mean ...
Assign pandas dataframe column dtypes
...
Since 0.17, you have to use the em>x m>plicit conversions:
pd.to_datetime, pd.to_timedelta and pd.to_numeric
(As mentioned below, no more "magic", convert_objects has been deprecated in 0.17)
df = pd.DataFrame({'m>x m>': {0: 'a', 1: 'b'}, 'y': {0: '1', 1: '2'}, 'z...
What does gcc's ffast-math actually do?
...d information on what is really happening when it's on. Can anyone please em>x m>plain some of the details and maybe give a clear em>x m>ample of how something would change if the flag was on or off?
...
Code equivalent to the 'let' keyword in chained LINQ em>x m>tension method calls
...s off of Select. You can see this if you use "reflector" to pull apart an em>x m>isting dll.
it will be something like:
var result = names
.Select(animalName => new { nameLength = animalName.Length, animalName})
.Where(m>x m>=>m>x m>.nameLength > 3)
.OrderBy(m>x m>=>m>x m>.nameLength)
...
Conditions for automatic generation of default/copy/move ctor and copy/move assignment operator?
...r functions are declared, but defined as deleted." refer to where you for em>x m>ample have const or reference members where move will be impossible? No, that can't be, because there copy will be applied.
– towi
Sep 27 '16 at 7:37
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