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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...
What's the difference between a proxy server and a reverse proxy server? [closed]
...
This answer is in line with httpd.apache.org/docs/2.0/mod/mod_proxy.html#forwardreverse and helps explain it clearly
– Greg Woods
Jun 7 '13 at 8:42
7
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Use RSA private key to generate public key?
...nded by the PKCS#1 v1.5 as an alternative (second) representation. PKCS#1 v2.0 standard excludes e and d exponents from the alternative representation altogether. PKCS#1 v2.1 and v2.2 propose further changes to the alternative representation, by optionally including more CRT-related components.
To ...
What is the recommended batch size for SqlBulkCopy?
...wing) into a SQL Server 2005 database using a C# console application (.Net 2.0). As Jeremy has already pointed out, you will need to do some fine-tuning for your particular circumstances, but I would recommend you have an initial batch size of 500, and test values both above and below this.
I go...
How do I check for a network connection?
...
You can check for a network connection in .NET 2.0 using GetIsNetworkAvailable():
System.Net.NetworkInformation.NetworkInterface.GetIsNetworkAvailable()
To monitor changes in IP address or changes in network availability use the events from the NetworkChange class:
Sy...
What's the best UML diagramming tool? [closed]
...
Detailed Examples: IBM Rational Software Architect did not implement UML 2.0 all the way when it comes to realizes type relationships when creating a UML profile, but Visual Paradigm and Sparx got it right.
Ok, that was way too detailed, so a simpler example would be ArgoUML, which has no code ge...