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Transform DateTime into simple Date in Ruby on Rails
....to_date
NoMethodError: undefined method 'to_date' for #<DateTime: -1/2,0,2299161>
from (irb):1
>> require 'active_support/core_ext'
=> true
>> DateTime.new.to_date
=> Mon, 01 Jan -4712
share
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Border length smaller than div width?
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You can use pseudoelements. E.g.
div {
width : 200px;
height : 50px;
position: relative;
z-index : 1;
background: #eee;
}
div:before {
content : "";
position: absolute;
left : 0;
bottom : 0;
height : 1px;
width : 50%; /* or 100...
'printf' vs. 'cout' in C++
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360
I'm surprised that everyone in this question claims that std::cout is way better than printf, ev...
Search for “does-not-contain” on a DataFrame in pandas
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edited Jan 24 '19 at 20:23
cs95
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answere...
RegEx to find two or more consecutive chars
...?
– Alexander Mills
Sep 6 '18 at 21:09
16
Alexander, just to clear few things: {2} means that the...
Why (0-6) is -6 = False? [duplicate]
...is. For instance, PyPy implemented the id of integer to return itself, so (0-6) is -6 is always true even if they are "different objects" internally; it also allows you to configure whether to enable this integer caching, and even set the lower and upper bounds. But in general, objects retrieved fro...
Using port number in Windows host file
After installing TeamViewer, I have changed the wampserver port to 8080, so the address is http://localhost:8080.
10 Answe...
Struct inheritance in C++
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answered Jun 11 '09 at 3:44
Alex MartelliAlex Martelli
724k148148 gold badges11261126 silver badges13241324 bronze badges
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How to generate random number with the specific length in python
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To get a random 3-digit number:
from random import randint
randint(100, 999) # randint is inclusive at both ends
(assuming you really meant three digits, rather than "up to three digits".)
To use an arbitrary number of digits:
from random import randint
def random_with_N_digits(n):
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Calculate a Running Total in SQL Server
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Update, if you are running SQL Server 2012 see: https://stackoverflow.com/a/10309947
The problem is that the SQL Server implementation of the Over clause is somewhat limited.
Oracle (and ANSI-SQL) allow you to do things like:
SELECT somedate, somevalue,
SU...