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tags
bug fun

Crash Gitlab Pipeline by Deleting an Empty Line.

In the CI process, there are some lines about setting configuration files like this:

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Coder Creed

• Trust nothing before testing.
• Only pick the proper part to use.

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<?php

function parseSOAP(string $response): array
{
  $content = preg_replace("/(<\/?)(\w+):([^>]*>)/", "$1$2$3", $response);
  $xml = new SimpleXMLElement($content);
  $body = $xml->xpath('//sBody')[0]; // 'sBody' is from '<s:Body>', the body tag in your xml file.
  $json = json_encode((array)$body, JSON_THROW_ON_ERROR);
  $data = json_decode($json, true, 512, JSON_THROW_ON_ERROR);
  

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use information_schema;
select ROUND(SUM(data_length + index_length) / 1024 / 1024, 1) "DB size in MB" from tables;

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机器学习、数据挖掘及人工智能的关系

目前人工智能很热门，但是很多人容易将人工智能与机器学习混淆。此外，数据挖掘、人工智能和机器学习之间的关系也容易被混淆。

从本质上看，数据科学的目标是通过处理各种数据促进人们的决策，机器学习的主要任务是使机器模仿人类的学习，从而获得知识。而人工智能借助机器学习和推理最终是形成具体的智能行为。机器学习与其他领域之间的关系如下图（此处是简图，文末还有详图）所示。

简图：机器学习、数据挖掘及人工智能三者间的关系

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// User .length to do so.
if ($('#id').length) {
  // do something.
}

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/usr/bin/php /var/www/public/vendor/phpunit/phpunit/phpunit --bootstrap vendor/silverstripe/framework/tests/bootstrap.php account/tests/CorporateTaxManagerUploaderTest.php flush=1

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<?php
  
$arr = ['123-123-123', '111-111-111'];
$a = 123;

var_dump(in_array($a, $arr)); // true
var_dump(in_array($a, $arr, true)); // false

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<?php
$token = bin2hex(random_bytes(16));

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if (performance.getEntriesByType("navigation")[0].type === 'back_forward') {
  // do something.
}