ohac

import javax.crypto.spec.SecretKeySpec
import javax.crypto.Mac

object A {
  def main(args: Array[String]): Unit = {
    val secret = new SecretKeySpec("the_secret".getBytes, "HmacSHA1")
    val mac = Mac.getInstance("HmacSHA1")
    mac.init(secret)
    val result: Array[Byte] = mac.doFinal("foo".getBytes)
    println(result.map(_.toString).mkString(","))

coolaj86

Getting Started with NPM (as a developer)

As easy as 1, 2, 3!

Updated:

• Aug, 08, 2022 update config docs for npm 8+
• Jul 27, 2021 add private scopes
• Jul 22, 2021 add dist tags
• Jun 20, 2021 update for --access=public
• Sep 07, 2020 update docs for npm version

ramnathv

Creating a clean gh-pages branch

This is the sequence of steps to follow to create a root gh-pages branch. It is based on a question at [SO]

cd /path/to/repo-name
git symbolic-ref HEAD refs/heads/gh-pages
rm .git/index
git clean -fdx
echo "My GitHub Page" > index.html

atimb

##
# Ruby script to find top-level empty directories in a working SVN directory tree
#
# A directory is considered empty, if there are zero files reachable through this directory (excluding
# files under .svn directories). That means that a directory containing other empty directories is
# also empty (recursively). The algorithm will consolidate the output so that it only contains
# top-level empty directories, but not their sub-directories.
#
# The output of this script can be used, for example to remove non-used parts of a SVN repository:
#   ruby empty_dirs.rb | xargs svn del

4ndrej

import javax.net.ssl.SSLParameters;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
import java.io.*;

/** Establish a SSL connection to a host and port, writes a byte and
 * prints the response. See
 * http://confluence.atlassian.com/display/JIRA/Connecting+to+SSL+services
 */
public class SSLPoke {

rjames86

Last updated: 2017-03-18

Searching for Files

Find images in a directory that don't have a DateTimeOriginal

exiftool -filename -filemodifydate -createdate -r -if '(not $datetimeoriginal) and $filetype eq "JPEG"' .

###Output photos that don't have datetimeoriginal to a CSV### Note this can take a long time if you have a lot of jpgs