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Difference between Pig and Hive? Why have both? [closed]
... by analysts comfortable with SQL as well as by data miners programming in Python. SQL compatibility efforts in Pig have been abandoned AFAIK - so the difference between the two projects is very clear.
Supporting SQL syntax also means that it's possible to integrate with existing BI tools like Micr...
Java HTTPS client certificate authentication
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Maven pom.xml:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven...
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
... findContours), approx to get the corners.
This is my result:
The Python code(Python 3.5 + OpenCV 3.3):
#!/usr/bin/python3
# 2017.12.20 10:47:28 CST
# 2017.12.20 11:29:30 CST
import cv2
import numpy as np
##(1) read into bgr-space
img = cv2.imread("test2.jpg")
##(2) convert to hsv-spac...
Postgresql aggregate array
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This post also helped me a lot: "Group By" in SQL and Python Pandas.
It basically says that it is more convenient to use only SQL when possible, but that Python Pandas can be useful to achieve extra functionalities in the filtering process.
I hope it helps
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Convert unix time to readable date in pandas dataframe
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This solution gives me OverflowError: Python int too large to convert to C long.
– if __name__ is None
Sep 15 '15 at 7:20
2
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What does this mean: Failure [INSTALL_FAILED_CONTAINER_ERROR]?
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into
android:installLocation="auto"
in your project's AndroidManifest.xml.
share
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How can I capitalize the first letter of each word in a string?
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Great answer, and comments highlight that in python not everything behaves the way you need it to, but there's always convenient ways to make it so. The most convenient way is often importing a purpose-built library, such as python-titlecase
– Aaro...
Numpy: Get random set of rows from 2D array
...a similar answer to the one Hezi Rasheff provided, but simplified so newer python users understand what's going on (I noticed many new datascience students fetch random samples in the weirdest ways because they don't know what they are doing in python).
You can get a number of random indices from y...
How do I get whole and fractional parts from double in JSP/Java?
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The confusion here is because some languages, such as Python, use % to mean modulo (-3.25 % 1 == 0.75) and others, such as Java, Fortran, C, and C++, use % to mean remainder (-3.25 % 1 == -0.25). WindRider may have typed it into a Python REPL for expediency, but that answer is ...
JSTL in JSF2 Facelets… makes sense?
...u should immediately stop and consider using JSTL instead. As JSTL is also XML based, the code needed to dynamically create JSF components will become so much better readable and maintainable.
Important to know is that Mojarra versions older than 2.1.18 had a bug in partial state saving when refere...