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Compare two DataFrames and output their differences side-by-side
...htly edited to have a NaN in the score column):
import sys
if sys.version_info[0] < 3:
from StringIO import StringIO
else:
from io import StringIO
DF1 = StringIO("""id Name score isEnrolled Comment
111 Jack 2.17 True ...
What is the difference between a cer, pvk, and pfx file?
....pfx for a PKCS #12 file. This file can contain a variety of cryptographic information, including certificates, certificate chains, root authority certificates, and private keys. Its contents can be cryptographically protected (with passwords) to keep private keys private and preserve the integrity ...
How to set time zone of a java.util.Date?
...
Be aware that java.util.Date objects do not contain any timezone information by themselves - you cannot set the timezone on a Date object. The only thing that a Date object contains is a number of milliseconds since the "epoch" - 1 January 1970, 00:00:00 UTC.
As ZZ Coder shows, you set th...
Best way to select random rows PostgreSQL
...
Given your specifications (plus additional info in the comments),
You have a numeric ID column (integer numbers) with only few (or moderately few) gaps.
Obviously no or few write operations.
Your ID column has to be indexed! A primary key serves nicely.
The query ...
How to add an Access-Control-Allow-Origin header
...s and change content types, so maybe you'll get lucky (and post some extra info here).
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Flask-SQLalchemy update a row's information
How can I update a row's information?
5 Answers
5
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How to add a custom button state
...s it's basically useless as is. Meanwhile, the accepted answer has all the info needed.
– Ted Hopp
Jun 3 at 0:54
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class
... happening when we come across the class << self syntax.
Additional info can be found at this post about Ruby Classes.
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SOAP or REST for Web Services? [closed]
...ct, SOAP is way quicker and easier to implement. See my post here for more info: stackoverflow.com/questions/3285704/…
– Josh M.
Nov 4 '10 at 18:32
40
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Use CSS3 transitions with gradient backgrounds
...left to right.
.contener{
background-image:url('http://www.imgbase.info/images/safe-wallpapers/digital_art/3d_landscape/9655_3d_landscape.jpg'); width:300px;
height:200px;
background-size:cover;
border:solid 2px black;
}
.ed {
width: 0px;
height: 200px;
background...