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mindcrime / ch02_ex239.py
Last active June 3, 2023 23:24
Exploring Exercise 2.39 in "Math for Programmers" by P. Orland
'''
Created on Jun 3, 2023
@author: prhodes
'''
from ch02.vector_drawing import *
from math import sqrt, pi, cos, sin, tan, asin, acos, atan, atan2, isclose
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mindcrime / gist:aeac89aa32d94366068a292fd2b527fd
Created May 1, 2022 21:16
Build ejabberd from source on Fedora 35
#!/bin/bash
dnf -y install automake autoconf
dnf -y install erlang-rebar erlang-rebar3 erlang-relx
dnf -y install erlang-amf erlang-bear erlang-cache_tab erlang-compiler erlang-debugger erlang-doc erlang-eimp
dnf -y install zlib zlib-devel
dnf -y install openssl openssl-devel
dnf -y install libyaml libyaml-devel
dnf -y install gcc-c++ gcc
dnf -y install expat expat-devel
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mindcrime / chapter1.pl
Created July 5, 2018 23:11
Prolog samples from Chapter 1 of Clocksin & Mellish
diff(X,Y) :- X \== Y.
male(albert).
male(edward).
female(alice).
female(victoria).
parents(edward, victoria, albert ).
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mindcrime / httpClientSample.java
Last active June 26, 2018 16:09
Sample use of HTTP GET with Commons HttpClient
CloseableHttpClient httpclient = HttpClients.createDefault();
HttpGet httpget = new HttpGet("http://localhost/");
CloseableHttpResponse response = httpclient.execute(httpget);
try
{
<...>
}
finally
{
response.close();
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mindcrime / pom.xml
Created August 19, 2017 00:38 — forked from martensjostrand/pom.xml
Empty 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.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>groupId</groupId>
<artifactId>artifactid</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<name>projectName</name>
com.fasterxml.jackson.core.JsonFactory
com.fasterxml.jackson.core.ObjectCodec
com.fasterxml.jackson.databind.Module
com.sun.jersey.spi.container.ContainerProvider
com.sun.jersey.spi.container.ContainerRequestFilter
com.sun.jersey.spi.container.ResourceMethodCustomInvokerDispatchProvider
com.sun.jersey.spi.container.ResourceMethodDispatchProvider
com.sun.jersey.spi.container.WebApplicationProvider
com.sun.jersey.spi.HeaderDelegateProvider
com.sun.jersey.spi.inject.InjectableProvider
<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.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.fogbeam.dl4j</groupId>
<artifactId>dl4j-spark</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>dl4j-spark</name>
<description>dl4j-spark</description>
<properties>
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mindcrime / gist:1f16788a8330b746fbf187d332f932bf
Created February 26, 2017 20:28
manual invocation of the preprocessor
JavaRDD<DataSet> unscaledData = rdd.map(new DataVecDataSetFunction(1,10, false, null, null ));
JavaRDD<DataSet> trainingData = unscaledData.map( new Function<DataSet,DataSet>() {
DataNormalization scaler = new ImagePreProcessingScaler(0,1);
@Override
public DataSet call(DataSet v1) throws Exception {
DataSet newDS = new DataSet( v1.getFeatures(), v1.getLabels());
scaler.preProcess(newDS);
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mindcrime / gist:b440cc83fde2a4cf7735fd37b31a23d8
Created February 26, 2017 19:23
call() method in DataSetDavaVecFunction
public DataSet call(List<Writable> currList) throws Exception {
//allow people to specify label index as -1 and infer the last possible label
int labelIndex = this.labelIndex;
if (numPossibleLabels >= 1 && labelIndex < 0) {
labelIndex = currList.size() - 1;
}
INDArray label = null;
INDArray featureVector = null;
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mindcrime / gist:f30b6641a58ecf6f059db9380a865f86
Created February 26, 2017 18:59
Complete example where values seem to not get scaled.
package org.fogbeam.dl4j.spark;
import java.io.File;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.TimeUnit;
import org.apache.spark.SparkConf;
import org.apache.spark.api.java.JavaPairRDD;
import org.apache.spark.api.java.JavaRDD;