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How to setup your own CA with OpenSSL

For educational reasons I've decided to create my own CA. Here is what I learned.

First things first

Lets get some context first.

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*2vec papers

1. word2vec https://arxiv.org/abs/1310.4546
2. sentence2vec, paragraph2vec, doc2vec http://arxiv.org/abs/1405.4053
3. tweet2vec http://arxiv.org/abs/1605.03481
4. tweet2vec https://arxiv.org/abs/1607.07514
5. author2vec http://dl.acm.org/citation.cfm?id=2889382
6. item2vec http://arxiv.org/abs/1603.04259
7. lda2vec https://arxiv.org/abs/1605.02019
8. illustration2vec http://dl.acm.org/citation.cfm?id=2820907

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How to Change Open Files Limit on OS X and macOS

This text is the section about OS X Yosemite (which also works for macOS Sierra) from https://docs.basho.com/riak/kv/2.1.4/using/performance/open-files-limit/#mac-os-x

The last time i visited this link it was dead (403), so I cloned it here from the latest snapshot in Archive.org's Wayback Machine https://web.archive.org/web/20170523131633/https://docs.basho.com/riak/kv/2.1.4/using/performance/open-files-limit/

Mac OS X

To check the current limits on your Mac OS X system, run:

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# See https://github.com/facebookresearch/fastText/blob/master/pretrained-vectors.md

for (( i=1; i<=$#; i++ )); do
    wget -c "https://s3-us-west-1.amazonaws.com/fasttext-vectors/wiki.${!i}.zip"
done

# For example:
# ./download.sh bg el ka hy ru fa es fr de it pt ar tr pl ko

# If stopped it will not re-start automatically, but if re-started it will continue from where it stopped.

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Previous versions used homebrew to install the various versions. As suggested in the comments, it's better to use pyenv instead. If you are looking for the previous version of this document, see the revision history.

$ brew update
$ brew install pyenv
$ pyenv install 3.5.0
$ pyenv install 3.4.3
$ pyenv install 3.3.6
$ pyenv install 3.2.6
$ pyenv install 2.7.10

$ pyenv install 2.6.9

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|----------------------------------------------------------------------------------------|--------------------|
|                                    Object Header (64 bits)                             |        State       |
|-------------------------------------------------------|--------------------------------|--------------------|
|                  Mark Word (32 bits)                  |      Klass Word (32 bits)      |                    |
|-------------------------------------------------------|--------------------------------|--------------------|
| identity_hashcode:25 | age:4 | biased_lock:1 | lock:2 |      OOP to metadata object    |       Normal       |
|-------------------------------------------------------|--------------------------------|--------------------|
|  thread:23 | epoch:2 | age:4 | biased_lock:1 | lock:2 |      OOP to metadata object    |       Biased       |
|-------------------------------------------------------|--------------------------------|--------------------|
|               

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These instructions will explain how to install tensorflow on mac with cuda enabled GPU suport. I assume you know what tensorflow is and why you would want to have a deep learning framework running on your computer.

Prerequisites

Make sure to update your homebrew formulas

brew update

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// The following code is from http://www.academicpub.org/PaperInfo.aspx?PaperID=14496 .
import java.math.BigInteger;
import java.security.*;
import java.security.spec.*;
import javax.crypto.KeyAgreement;

public class ECCKeyAgreement {
  public static void main(String[] args) throws Exception {
    KeyPairGenerator kpg;
    kpg = KeyPairGenerator.getInstance("EC","SunEC");

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_wifi.h"
#include "esp_event.h"
#include "lwip/inet.h"
#include "lwip/ip4_addr.h"
#include "lwip/dns.h"

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package selly.spring.data.convert;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.springframework.beans.factory.config.BeanDefinition;