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Safely remove migration In Laravel

... I accidentally created a migration with a bad name (command: php artisan migrate:make). I did not run (php artisan migrate) the migration, so I decided to remove it. My steps: Manually delete the migration file under app/database/migrations/my_migration_file_name.php Reset the compos...
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大数据不是万能的 - 资讯 - 清泛网 - 专注C/C++及内核技术

...地方。我们认为,大数据其实面对的不是99%的机构面对的问题,这个说法跟市场上很多的说法不大一样。 我们看一下,把这个额度分配到一万到十万区域。在这个领域从事信贷服务的,大家马上想到的是信用卡,也可能想到某...
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Converting string to Date and DateTime

If I have a PHP string in the format of mm-dd-YYYY (for example, 10-16-2003), how do I properly convert that to a Date and then a DateTime in the format of YYYY-mm-dd ? The only reason I ask for both Date and DateTime is because I need one in one spot, and the other in a different spot. ...
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Best XML Parser for PHP [duplicate]

... C, and is very fast. But second, the parsed document takes the form of a PHP object. So you can "query" like $root->myElement. share | improve this answer | follow ...
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Delete directory with files in it?

...ainly useful for explode()ing a path taken from the OS. alanhogan.com/tips/php/directory-separator-not-necessary – ReactiveRaven Jul 16 '12 at 23:47 ...
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AsciiConversion 拓展问题:字母开头的会出现“C2”非预期字符 - App Inven...

做TCP通讯时遇到的问题,主要问题是:列表如果是字母开头就会出问题 发送这个列表 字母开头的都有这个问题,文本显示没有问题。 上面那个是程序 ,下面这个是测试工具 测试了一下: 1、ClientSocket拓展默认...
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一文讲透区块链技术原理 - 资讯 - 清泛网 - 专注C/C++及内核技术

...定是可信的。 区块链技术原理的来源可归纳为一个数学问题:拜占庭将军问题。拜占庭将军问题延伸到互联网生活中来,其内涵可概括为:在互联网大背景下,当需要与不熟悉的对手方进行价值交换活动时,人们如何才能防止...
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深入浅出计算机字符集编码 - C/C++ - 清泛网 - 专注C/C++及内核技术

...入浅出计算机字符集编码通过解决一个实际工作中的编码问题,深入研究调查了下计算机的字符编码原理,掌握编码的基本原理后,相关的问题都可轻松解决,希望能给大家带来一定帮助。问题缘由:前面页面编码方式统一为UTF...
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PHP - Debugging Curl

...PT_STDERR. curl_setopt($handle, CURLOPT_VERBOSE, true); $verbose = fopen('php://temp', 'w+'); curl_setopt($handle, CURLOPT_STDERR, $verbose); You can then read it after curl has done the request: $result = curl_exec($handle); if ($result === FALSE) { printf("cUrl error (#%d): %s<br>\n"...
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Best way to use PHP to encrypt and decrypt passwords? [duplicate]

...bcrypt. This answer explains how to properly implement password hashing in PHP. Still, here is how you would encrypt/decrypt: $key = 'password to (en/de)crypt'; $string = ' string to be encrypted '; // note the spaces To Encrypt: $iv = mcrypt_create_iv( mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128...