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Self Joins
- Cross Join example
- Inner Join example
joins can be inefficent - they can require moving lots of data around and increase the data process from n to n * n
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| <h1>Answered Questions</h1> | |
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| <div class="pieID--micro-skills pie-chart--wrapper"> | |
| <h2>Micro-Skills</h2> | |
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| <ul class="pie-chart__legend"> | |
| <li><em>Additive</em><span>642</span></li> | |
| <li><em>Multiplicative</em><span>358</span></li> |
| ➜ Homestead git:(eb7477d) vagrant destroy && vagrant up | |
| homestead-7: Are you sure you want to destroy the 'homestead-7' VM? [y/N] y | |
| ==> homestead-7: Destroying VM and associated drives... | |
| ==> homestead-7: Pruning invalid NFS exports. Administrator privileges will be required... | |
| Password: | |
| Bringing machine 'homestead-7' up with 'virtualbox' provider... | |
| ==> homestead-7: Importing base box 'laravel/homestead'... | |
| ==> homestead-7: Matching MAC address for NAT networking... | |
| ==> homestead-7: Checking if box 'laravel/homestead' is up to date... | |
| ==> homestead-7: Setting the name of the VM: homestead-7 |
| find * | egrep "\.env$" | xargs grep INDEX | |
| # thanks jonastanz |
| # Start within ssh | |
| dbexport | |
| logout | |
| homestead halt | |
| vagrant box update | |
| vagrant destory | |
| vagrant up | |
| homestead ssh | |
| dbimport |
| # Set the root path (that's our variable not Nginx variable) to the landing page template file | |
| set $rootPath "/map.php"; | |
| set $crawlerPath "/map.html"; | |
| if ($http_user_agent ~ "Ask Jeeves/Teoma|AdsBot-Google|exabot|Mediapartners-Google|GoogleToolbar|Google Web Preview|googlebot|yahoo|bingbot|baiduspider|facebookexternalhit|twitterbot|rogerbot|linkedinbot|msnbot|embedly|quora link preview|showyoubot|outbrain|pinterest|slackbot|vkShare|W3C_Validator|WebCrawler|Screaming Frog SEO Spider|Slackbot-LinkExpanding|robot|crawler") { | |
| set $isCrawler 1; | |
| rewrite ^ $crawlerPath; | |
| } | |
| if ($isCrawler = 0) { | |
| rewrite ^ $rootPath; |
| –ctrl a c -> create new window | |
| –ctrl a A -> set window name | |
| –ctrl a w -> show all window | |
| –ctrl a 1|2|3|… -> switch to window n | |
| –ctrl a ” -> choose window | |
| –ctrl a ctrl a -> switch between window | |
| –ctrl a d -> detach window | |
| –ctrl a ? -> help | |
| –ctrl a [ -> start copy, move cursor to the copy location, press ENTER, select the chars, press ENTER to copy the selected characters to the buffer | |
| –ctrl a ] -> paste from buffer |
| function cart_notice() { | |
| $free_shipping_settings = get_option( 'woocommerce_free_shipping_settings' ); | |
| $maximum = $free_shipping_settings['min_amount']; | |
| $current = WC()->cart->subtotal; | |
| if ( $current < $maximum ) { | |
| echo '<div class="woocommerce-message">Get free shipping if you order $ ' . ($maximum - $current) . ' more!</div>'; | |
| } | |
| } | |
| add_action( 'woocommerce_before_cart', 'cart_notice' ); |