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How do I remove  from the beginning of a file?
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Three words for you:
Byte Order Mark (BOM)
That's the representation for the UTF-8 BOM in ISO-8859-1. You have to tell your editor to not use BOMs or use a different editor to strip them out.
To automatize the BOM's removal you can use awk as shown ...
How to properly URL encode a string in PHP?
... web page includes a mailto link that lets them do that.
PHP code
// The order system generates some opaque token
$token = 'w%a&!e#"^2(^@azW';
// Here is a URL to redeem that token
$redeemUrl = 'https://httpbin.org/get?token=' . urlencode($token);
// Actual contents we want for the email
$su...
Proper Repository Pattern Design in PHP?
...nterface. This will define the "contract" that repositories must follow in order to be used by my controller. Remember, my controller will not know where the data is actually stored.
Note that my repositories will only every contain these three methods. The save() method is responsible for both cre...
PHP mail function doesn't complete sending of e-mail
...If your call to mail() does not have the correct parameters in the correct order it will also fail.
Check the server's mail logs
Your web server should be logging all attempts to send emails through it. The location of these logs will vary (you may need to ask your server administrator where they ...
BLE数据收发 20个字节的限制问题 - 创客硬件开发 - 清泛IT社区，为创新赋能！
请问BLE插件只支持20个字节的数据接收与发送吗，我尝试超过20个字节就会自动忽略掉后面的字节RequestMTU – 为 BluetoothLE 连接请求新的最大传输单元 (MTU)。此功能仅在两个设备都支持蓝牙 4.2 或更高版本时才受支持。如果 MTU 更改...
Submit HTML form on self page
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How to Free Inode Usage?
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I used this variant of your command in order to print the numbers on the same line: for i in /usr/src/*; do echo -en "$i\t"; find $i 2>/dev/null |wc -l; done
– cscracker
Feb 4 '19 at 13:13
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How to encrypt/decrypt data in php?
... = openssl_random_pseudo_bytes(openssl_cipher_iv_length("AES-256-CBC")) in order to indicate the link between iv's size to use with the cipher used. You could also expand a bit on the need (or not) of pkcs7_pad()/pkcs7_unpad(), or just simplify the post by getting rid of them and use "aes-256-ctr". ...
解决MFC使用ShowWindow(SW_MAXIMIZE)任务栏被遮住的问题 - C/C++ - 清泛网 ...
解决MFC使用ShowWindow(SW_MAXIMIZE)任务栏被遮住的问题重载OnGetMinMaxInfo消息处理函数解决，代码如下：BEGIN_MESSAGE_MAP(CxxxDlg, CDialogEx)...ON_WM_GETMINMAXINFO()END_MESSAGE_MAP()...a...重载OnGetMinMaxInfo消息处理函数解决，代码如下：
BEGIN_MESSAGE_MAP(Cx...
解决IIS发布时global_asax的dll 的CS0433冲突问题 - 环境配置 - 清泛IT社区，为创新赋能！
...obal.asax ；
PrecompiledApp.config 文件拷贝到网站根目录下；
问题解决。