hlapidez

package main

import (
	"flag"
	"fmt"
	"log"
	"os"
	"os/signal"
	"syscall"
)

hlapidez

Punctuations, US-ASCII

/[!"#$%&()*+,\-.\/:;<=>?@\[\]^_`{|}~]/

Punctuations, include Unicode ones (\u2000-\u206F: general punctuations, \u2E00-\u2E7F: supplemental punctuations)

/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,\-.\/:;<=>?@\[\]^_`{|}~]/

Chinese characters

hlapidez

-- https://stackoverflow.com/questions/2341278/how-to-get-primary-key-of-table

select
	kcu.column_name,
	kcu.table_name
from
	information_schema.table_constraints tc
join information_schema.key_column_usage kcu
		using(constraint_name,
	table_schema,

hlapidez

#! perl -slw
use strict;

( my $input = do{ local $/; <DATA> } ) =~ tr[\n][]d;

my $tab = 0;
$input =~ s[([()])]{
    $tab-- if $1 eq ')';
    my $modified = "\n" . ( "    " x $tab ) . $1;
    $tab++ if $1 eq '(';

hlapidez

README

Services declared as oneshot are expected to take some action and exit immediatelly (thus, they are not really services, no running processes remain). A common pattern for these type of service is to be defined by a setup and a teardown action.

Let's create a example foo service that when started creates a file, and when stopped it deletes it.

Define setup/teardown actions

Create executable file /opt/foo/setup-foo.sh:

hlapidez

1. Clone your fork:

git clone git@github.com:YOUR-USERNAME/YOUR-FORKED-REPO.git

2. Add remote from original repository in your forked repository:

cd into/cloned/fork-repo
git remote add upstream git://github.com/ORIGINAL-DEV-USERNAME/REPO-YOU-FORKED-FROM.git
git fetch upstream

hlapidez

# ----------------------------------------------------------------------------
# How to check if a string begins with some value in bash
#
# more cool examples here:  https://www.cyberciti.biz/faq/bash-check-if-string-starts-with-character-such-as/
# ----------------------------------------------------------------------------
#
# Let us define a shell variable called vech as follows:
vech="Bus"

# To check if string “Bus” stored in $vech starts with “B”, run:

hlapidez

package main

import (
    "fmt"
    "log"
    "net"
    "net/mail"
    "net/smtp"
    "crypto/tls"
)

hlapidez

MySQL: Data Types

The following is a list of datatypes available in MySQL, which includes string, numeric, date/time, and large object datatypes.

String Datatypes

The following are the String Datatypes in MySQL:

Data Type Syntax	Maximum Size	Explanation

hlapidez

buildscript {
    repositories {
        jcenter()
    }

    dependencies {
        classpath 'org.asciidoctor:asciidoctor-gradle-plugin:1.5.8'
    	classpath group: 'org.asciidoctor', name: 'asciidoctorj-diagram', version: '1.5.9'
    	classpath group: 'org.asciidoctor', name: 'asciidoctorj-pdf', version: '1.5.0-alpha.16'
    }