I'm pulling out some conversations from my database. They are being grouped by the user_from column. As of now, it outputs the oldest message. I want it to show the newest message. What is the most simple way of doing this? SELECT * FROM (`mail`) JOIN `users` ON `users`.`id` = `mail`.`user_from` JOIN `users_info` ON `users_info`.`user_id` = `mail`.`user_from` WHERE `user_to` = '1' GRO
我正在从我的数据库中抽出一些对话。 它们正在被user_from列分组。 到目前为止,它输出最旧的消息。 我希望它显示最新的消息。 做这件事最简单的方法是什么? SELECT * FROM (`mail`) JOIN `users` ON `users`.`id` = `mail`.`user_from` JOIN `users_info` ON `users_info`.`user_id` = `mail`.`user_from` WHERE `user_to` = '1' GROUP BY `user_from` ORDER BY `mail`.`date` desc 邮件表 用户表(片段) 这是当
i've been following this guide and as it mentions I did the following request to get the access_token using php 7.1.7 and curl function httpRequest($url, $auth_header, $method, $body = NULL){ if (!$method){$method = "GET";} $curl = curl_init(); curl_setopt($curl, CURLOPT_URL, $url); curl_setopt($curl, CURLOPT_HEADER, 0); curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
我一直在遵循这个指南,因为它提到我做了下面的请求,以获得access_token使用PHP 7.1.7和卷曲 function httpRequest($url, $auth_header, $method, $body = NULL){ if (!$method){$method = "GET";} $curl = curl_init(); curl_setopt($curl, CURLOPT_URL, $url); curl_setopt($curl, CURLOPT_HEADER, 0); curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); curl_setopt($curl, CURLOPT_HTTPHEADER,
I'm trying to obtain my "long lived access token" using CURL/PHP but I'm receiving the error "Missing parameters for client_id, client_secret, code, grant_type, redirect_uri". The URL I'm calling is where you can clearly see the parameters I'm trying to pass in! https://api.surveymonkey.net/oauth/token?client_secret='.urlencode($client_secret).'&
我试图使用CURL / PHP来获得我的“长期存取令牌”,但我收到错误“客户端id,客户端密码,代码,grant_type,redirect_uri缺少参数”。 我打电话的网址是您可以清楚地看到我想要传入的参数! https://api.surveymonkey.net/oauth/token?client_secret='.urlencode($client_secret).'&code='.urlencode($short_token).'&redirect_uri='.urlencode($redirect_url).'&client_id=” .urlencode(
I am trying to encrypt a string in iOS and decrypt it with PHP. In iOS I have the following code, based on the information in this link AES-128 encryption in iOS and Decryption in PHP - (void)testCrypto { NSString *password = @"1234567891234567"; NSString *plaintext = @"This is a test"; NSString *encrypted = [plaintext AES128EncryptWithKey:password]; dispatch_queue_t jsonParsi
我试图在iOS中加密一个字符串并用PHP解密。 在iOS中,我有以下代码,基于此链接中的信息iOS中的AES-128加密和PHP中的解密 - (void)testCrypto { NSString *password = @"1234567891234567"; NSString *plaintext = @"This is a test"; NSString *encrypted = [plaintext AES128EncryptWithKey:password]; dispatch_queue_t jsonParsingQueue = dispatch_queue_create("jsonParsingQueue", NULL); dispatc
I'm using RNCryptor for cryptography in an iOS project. The app decrypts JSON strings sent from a server. On the server, the strings are encrypted using unmodified versions of the PHP functions found in the RNCryptor repo. Using the same password for encrypting all strings, the returned base64 data is sometimes invalid for different JSON strings I pass in to the RNCryptor PHP encrypt func
我在iOS项目中使用RNCryptor进行加密。 该应用程序解密从服务器发送的JSON字符串。 在服务器上,字符串使用RNCryptor回购库中未修改的PHP函数进行加密。 使用相同的密码加密所有字符串,返回的base64数据有时对于我传递给RNCryptor PHP加密函数的不同JSON字符串无效。 在应用程序中,当试图解密来自服务器的数据时,我看到这个错误: “操作无法完成(net.robnapier.RNCryptManager错误-4301。)” 为了向您展示一些示例,
I have a standard html page that has a few img tags, each of these are pointing to a php file on our server. When the php file is loaded, it saves some data to the session before then generating an image. This data in the session from each of the scripts is then used in other script further in our application. The php file to generate the image starts with session_start and when using the na
我有一个标准的HTML页面,有几个img标签,每个标签都指向我们服务器上的一个php文件。 当php文件被加载时,它会在生成图像之前将一些数据保存到会话中。 来自每个脚本的会话中的这些数据将在我们的应用程序中进一步用于其他脚本中。 生成图像的php文件以session_start开始,当使用本地PHP会话处理程序时,似乎都很好。 每个执行都正确完成,可以检索完整的会话数据。 如果我启用memcache来保存会话,则会出现问题。 看
I'm working with a couple of Web Servers behind a Load Balancer and I can enable Sticky Sessions to hold a user to the one specific Web Servers - this will work. I have been reading about PHP Sessions & MemCache. I must say what I've read is a touch confusing as some pages say its a good idea and others the opposite. Questions: is it possible to keep php sessions in memcache?
我正在使用负载平衡器后面的几个Web服务器,并且我可以启用粘滞会话来让用户访问特定的Web服务器 - 这将起作用。 我一直在阅读关于PHP会话和MemCache。 我必须说,我读过的东西是一种混淆,因为一些页面说它是一个好主意,而另一些则相反。 问题: 是否有可能保持php会话在memcache? 通过memcache使用粘性会话更好吗? memcache中的php会话有什么问题 - 注意:我可以获得足够的缓存(亚马逊,因此它的可扩展性)。
有什么方法在PHP中截取网站截图,然后将其保存到文件中? LAST EDIT : after 7 years im still getting upvote fot this answer, but I guess this one is now much more accurate. Sure you can, but you'll need to render the page with something. If you really want to only use php, i suggest you HTMLTOPS, wich render the page and output it in a ps file (ghostscript), then, convert it in a .jpg, .png, .
有什么方法在PHP中截取网站截图,然后将其保存到文件中? 最后编辑 :7年后,我仍然得到upvote fot这个答案,但我想这一个现在更准确。 当然你可以,但你需要用某种东西来渲染页面。 如果你真的只想使用PHP,我建议你HTMLTOPS,将页面渲染并输出到ps文件(ghostscript),然后将它转换为.jpg,.png,.pdf ..可以慢一点复杂的页面(并且不支持所有的CSS)。 否则,您可以使用wkhtmltopdf以pdf,jpg,whaterver格式输出html页
I have an exam application where for the user to create an exam they have to go through these pages: create_session.php QandATable.php indivdiualmarks.php penalty.php complete.php Now what I am worried about is the user can complete some of these pages but then either abandonded creating the exam by leaving out the other pages or they start creating an exam going trough some of the pa
我有一个考试应用程序供用户创建考试,他们必须通过这些网页: create_session.php QandATable.php indivdiualmarks.php penalty.php complete.php 现在我担心的是用户可以完成其中的一些页面,但之后要么放弃创建考试,要么忽略其他页面,要么开始通过上面的一些页面创建考试,然后能够重新开始前一页或上一页或通过输入即将提供的其他页面的URL来跳过页面。 所以我的问题是,有什么方法可以阻止用户跳过页面或返
I'm currently working with an old database that has column names containing accents. When I try to execute this query in Codeigniter (PHP): SELECT * FROM [empresas] [em] LEFT JOIN [clientes] [cl] ON [em].[empresa] = [cl].[Código] The system throws the error "Invalid column name 'Código'". (the column name is 'Código') I've tried using COLLATE function wit
我目前正在处理一个旧的数据库,它的列名包含重音符。 当我尝试在Codeigniter(PHP)中执行此查询时: SELECT * FROM [empresas] [em] LEFT JOIN [clientes] [cl] ON [em].[empresa] = [cl].[Código] 系统抛出错误 “无效的列名'Código'”。 (列名是'Código') 我试过使用COLLATE函数没有成功。 MS SQL Server数据库默认排序规则是Modern_Spanish_CI_AI ,列排序SQL_Latin1_General_CP1_CI_AS是SQL_Lat