wilbur.yu

求蓄水池抽样算法

1

给定一个数据流，数据流长度N很大，且N直到处理完所有数据之前都不可知，请问如何在只遍历一遍数据（O(N)）的情况下，能够随机选取出m个不重复的数据。

Is it possible to support font type files?

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使用octane, 导出功能报错

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- Laravel Version: 9.5.1 - PHP Version: 8.0.16 - Dcat Admin Version: 2.2.0-beta 在grid中启用export ```php function (Grid $grid) { $grid->export()->xlsx(); $grid = $this->filter( $grid, ['student', 'items', 'items.lesson', 'items.sku', 'ski'], );...

```bash 16:32:59 in ~/GithubProject took 25s ➜ uname -a 'c. [email protected] ,xNMM. ---------------------- .OMMMMo OS: macOS 12.1 21C52 x86_64 OMMM0, Host: MacBookPro11,4 .;loddo:' loolloddol;. Kernel: 21.2.0 cKMMMMMMMMMMNWMMMMMMMMMM0: Uptime: 3 days,...

源文件hyperf/resource/src/Concerns/ConditionallyLoadsAttributes.php ```php protected function whenLoaded(string $relationship, $value = null, $default = null) { if (func_num_args() < 3) { $default = new MissingValue(); } if (! $this->resource->relationLoaded($relationship)) { return value($default); }...

Cannot pass symfony/polyfill-intl-idn under PHP 7.4

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php version: 7.4.14 ```bash php artisan opcache:compile --force=true PHP Parse error: syntax error, unexpected '|', expecting '{' in /Users/wilbur.yu/MyCode/Work/qingyan/vendor/symfony/polyfill-intl-normalizer/bootstrap80.php on line 18 Parse error: syntax error, unexpected '|', expecting '{'...

是否可以支持微信发票相关

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个人感觉, 发票也是支付中一个部分. 所以做为支付工具类库, 是否考虑接入发票服务.

Laravel version 7.6.2 cannot installl, The dependency conflicts

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artisan -V --ansi Laravel Framework 7.6.2 composer why-not php-pm/php-pm 2.0.3 -t -r php-pm/php-pm 2.0.2 PHP-PM is a process manager, supercharger and load balancer for PHP applications. ├──php-pm/php-pm 2.0.3 (requires symfony/error-handler...

Lumen 8 DB:listen 重复记录 sql 日志

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QueryLoggerServiceProvider.php ```php DB::listen(function (QueryExecuted $query) { if ($query->time < $this->app['config']->get('logging.query.slower_than', 0)) { return; } $sqlWithPlaceholders = str_replace(['%', '?'], ['%%', '%s'], $query->sql); $bindings = $query->connection->prepareBindings($query->bindings); $pdo = $query->connection->getPdo(); $realSql = $sqlWithPlaceholders;...

Lumen 8 使用 Easywechat 组件无法获取 access_token

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laravel/lumen-framework: 8.2.1 overtrue/laravel-wechat: 6.0.0 huang-yi/shadowfax: 2.10.3 获取 easywechat 实例 ```php $wechat = app('wechat.mini_program.default') $wechat->auth->session($code); // 报错为: access_token null $wechat = Factory::miniProgram(config('wechat.mini_program.default')); $wechat->auth->session($code); // 报错: access_token null ``` 切换为 php-fpm 后,...