karimkawambwa

<?php

function post_exists_by_title($title) {
    global $wpdb;
    $query = $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_title = %s AND post_type = 'post' AND post_status = 'publish' LIMIT 1", $title);
    return $wpdb->get_var($query);
}

function set_featured_image($post_id, $image_url) {
    if (empty($image_url)) return;

karimkawambwa

<?php

function post_exists_by_title($title) {
    global $wpdb;
    $query = $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_title = %s AND post_type = 'post' AND post_status = 'publish' LIMIT 1", $title);
    return $wpdb->get_var($query);
}

function set_featured_image($post_id, $image_url) {
    if (empty($image_url)) return;

karimkawambwa

// From https://bitbucket.org/atlassian/atlaskit-mk-2/raw/4ad0e56649c3e6c973e226b7efaeb28cb240ccb0/packages/core/select/src/data/countries.js
export const countries = [
  { code: "AD", label: "Andorra", phone: "376" },
  { code: "AE", label: "United Arab Emirates", phone: "971" },
  { code: "AF", label: "Afghanistan", phone: "93" },
  { code: "AG", label: "Antigua and Barbuda", phone: "1-268" },
  { code: "AI", label: "Anguilla", phone: "1-264" },
  { code: "AL", label: "Albania", phone: "355" },
  { code: "AM", label: "Armenia", phone: "374" },
  { code: "AO", label: "Angola", phone: "244" },

karimkawambwa

Semantic Commit Messages

See how a minor change to your commit message style can make you a better programmer.

Format: <type>(<scope>): <subject>

<scope> is optional

Example

karimkawambwa

    useSofa({
      schema,
      basePath: "/rest",
      context: ({ req }) => {
        // console.log(req.url, req.originalUrl);
        // console.log("Here");
      },
      execute: ({ source, variableValues }) => {
        return keystone.executeGraphQL({
          query: source,

karimkawambwa

Backup:
docker exec -t -u postgres your-db-container pg_dumpall -c > dump_`date +%d-%m-%Y"_"%H_%M_%S`.sql

Restore:
cat your_dump.sql | docker exec -i your-db-container psql -Upostgres

karimkawambwa

Getting an Alpine shell

Often usefull for in-cluster debugging.

$ kubectl run --generator=run-pod/v1 --image=alpine:3.5 -it alpine-shell -- /bin/sh

detach (without killing the container):

karimkawambwa

karimkawambwa

Kubectl output options

Let's look at some basic kubectl output options.

Our intention is to list nodes (with their AWS InstanceId) and Pods (sorted by node).

We can start with:

kubectl get no

karimkawambwa

{
    "100": {
        "brief": "Continue",
        "extended": "The server has received the request headers, and the client should proceed to send the request body"
    },
    "101": {
        "brief": "Switching Protocols",
        "extended": "The requester has asked the server to switch protocols"
    },
    "103": {