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How does RewriteBase work in .htaccess
...explanation I found was not in the current 2.4 apache docs, but in version 2.0.
# /abc/def/.htaccess -- per-dir config file for directory /abc/def
# Remember: /abc/def is the physical path of /xyz, i.e., the server
# has a 'Alias /xyz /abc/def' directive e.g.
RewriteEngine On
# let ...
Rails find_or_create_by more than one attribute?
... official Rails 4.2 documentation for the usage: guides.rubyonrails.org/v4.2.0/…
– CodeExpress
Jan 6 '15 at 23:49
...
Get the generated SQL statement from a SqlCommand object?
...nd added table value parameters. It's all up on GitHub and a .Net Standard 2.0 Nuget package github.com/jphellemons/CommandAsSql Thank you Flapper! Can I add you as collaborator?
– JP Hellemons
Aug 25 '17 at 14:27
...
Simplest way to detect a mobile device in PHP
...et" is creating me a problem on some IE8 (PC) headers that have "Tablet PC 2.0" in response
– Mladen Janjetovic
Oct 29 '13 at 15:55
...
LINQ .Any VS .Exists - What's the difference?
...he conditions defined by the specified predicate.
This exists since .NET 2.0, so before LINQ. Meant to be used with the Predicate delegate, but lambda expressions are backward compatible. Also, just List has this (not even IList)
IEnumerable.Any (Extension method - MSDN)
Determines whether...
log4j logging hierarchy order
... for more information about log levels :
https://logging.apache.org/log4j/2.0/manual/architecture.html
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iPhone App Minus App Store?
...her details on this method, see Craig Hockenberry's Beta testing on iPhone 2.0 article
Jailbroken iPhone
For jailbroken iPhones, you can use the following method which I have personally tested using the AccelerometerGraph sample app on iPhone OS 3.0.
Create Self-Signed Certificate
First you'll n...
What is the canonical way to determine commandline vs. http execution of a PHP script?
...['argc'] , but it turns out this is populated, even when using the 'Apache 2.0 Handler' server API.
5 Answers
...
adding noise to a signal in python
...), dtype=float)
print(clean_signal)
"""
print output:
A B
0 1.0 2.0
1 3.0 4.0
"""
import numpy as np
mu, sigma = 0, 0.1
# creating a noise with the same dimension as the dataset (2,2)
noise = np.random.normal(mu, sigma, [2,2])
print(noise)
"""
print output:
array([[-0.11114313, 0...
When to use Hadoop, HBase, Hive and Pig?
...f Hadoop
There are two versions of Hadoop available :
Hadoop 1.0
Hadoop 2.0
Hadoop 1.0
It has two main parts :
1. Data Storage Framework
It is a general-purpose file system called Hadoop Distributed File System (HDFS).
HDFS is schema-less
It simply stores data files and these data files ca...