create different ssh key according the article Mac Set-Up Git
$ ssh-keygen -t rsa -C "your_email@youremail.com"
# Ways to execute a shell script in Ruby | |
# Example Script - Joseph Pecoraro | |
cmd = "echo 'hi'" # Sample string that can be used | |
# 1. Kernel#` - commonly called backticks - `cmd` | |
# This is like many other languages, including bash, PHP, and Perl | |
# Synchronous (blocking) | |
# Returns the output of the shell command | |
# Docs: http://ruby-doc.org/core/classes/Kernel.html#M001111 |
create different ssh key according the article Mac Set-Up Git
$ ssh-keygen -t rsa -C "your_email@youremail.com"
-- show running queries (pre 9.2) | |
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query | |
FROM pg_stat_activity | |
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' | |
ORDER BY query_start desc; | |
-- show running queries (9.2) | |
SELECT pid, age(clock_timestamp(), query_start), usename, query | |
FROM pg_stat_activity | |
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' |
@echo off | |
SET st3Path=C:\Program Files\Sublime Text 3\sublime_text.exe | |
rem add it for all file types | |
@reg add "HKEY_CLASSES_ROOT\*\shell\Open with Sublime Text 3" /t REG_SZ /v "" /d "Open with Sublime Text 3" /f | |
@reg add "HKEY_CLASSES_ROOT\*\shell\Open with Sublime Text 3" /t REG_EXPAND_SZ /v "Icon" /d "%st3Path%,0" /f | |
@reg add "HKEY_CLASSES_ROOT\*\shell\Open with Sublime Text 3\command" /t REG_SZ /v "" /d "%st3Path% \"%%1\"" /f | |
rem add it for folders | |
@reg add "HKEY_CLASSES_ROOT\Folder\shell\Open with Sublime Text 3" /t REG_SZ /v "" /d "Open with Sublime Text 3" /f |
$: (Dollar Colon) is basically a shorthand version of $LOAD_PATH. $: contains an array of paths that your script will search through when using require. | |
$0 (Dollar Zero) contains the name of the ruby program being run. This is typically the script name. | |
$* (Dollar Splat) is basically shorthand for ARGV. $* contains the command line arguments that were passed to the script. | |
$? (Dollar Question Mark) returns the exit status of the last child process to finish. | |
$$ (Dollar Dollar) returns the process number of the program currently being ran. | |
$~ (Dollar Tilde) contains the MatchData from the previous successful pattern match. | |
$1, $2, $3, $4 etc represent the content of the previous successful pattern match. | |
$& (Dollar Ampersand) contains the matched string from the previous successful pattern match. | |
$+ (Dollar Plus) contains the last match from the previous successful pattern match. | |
$` (Dollar Backtick) contains the string before the actual matched string of the previous successful pattern match. |
export let months = ['Jan', 'Feb', 'Mar','Apr', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
export const MODULES_BECAME_STANDARD_YEAR = 2015;
export function sayHi() { ... }