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Redirecting from HTTP to HTTPS with PHP
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关于 __VA_ARGS__ 宽字符版本的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
关于 __VA_ARGS__ 宽字符版本的问题在写一个可变参数的记录日志函数，考虑到宽字符（Unicode版本）时：#define WIDEN2(x) L ## x#define WIDEN(x) WIDEN2(x)#define __...在写一个可变参数的记录日志函数，考虑到宽字符（Unicode版本）时：
#defin...
解决WaitForSingleObject阻塞UI线程的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
解决WaitForSingleObject阻塞UI线程的问题WaitForSingleObjec 等待线程结束时会阻塞UI线程，导致界面不响应鼠标操作。解决原理：等待过程中对消息队列中消息进行转发处理。代码如下...WaitForSingleObjec 等待线程结束时会阻塞UI线程，导致...
__declspec(dllexport) 导出符号解决链接失败问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
__declspec(dllexport) 导出符号解决链接失败问题特别注意：dllexport、dllimport导出、导入的方式仅针对dll动态库，而lib静态库无需任何申明，宏全部替换成空即可。error LNK2019: 无法解析的外部符号 "public: __thiscall CBtt::CBtt(void)" (??0CBtt@@Q...
How do you Encrypt and Decrypt a PHP String?
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To implement authenticated encryption, you want to Encrypt then MAC. The order of encryption and authentication is very important! One of the existing answers to this question made this mistake; as do many cryptography libraries written in PHP.
You should avoid implementing your own cryptography, ...
Find nearest latitude/longitude with an SQL query
...S(latitude / 57.3), 2)) AS distance
FROM TableName HAVING distance < 25 ORDER BY distance;
where [starlat] and [startlng] is the position where to start measuring the distance.
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Reference — What does this symbol mean in PHP?
...nd y have the same key/value pairs
in the same order and of the same types
x !== y Non-identity True if x is not identical to y
++ x Pre-increment Increments x by one, then returns x
x ++ Post-increment Returns x, then increments x by one
-- x Pr...
Synchronous request in Node.js
If I need to call 3 http API in sequential order, what would be a better alternative to the following code:
18 Answers
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“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP
...hough PHP does not require a variable declaration, it does recommend it in order to avoid some security vulnerabilities or bugs where one would forget to give a value to a variable that will be used later in the script. What PHP does in the case of undeclared variables is issue a very low level erro...
Deprecated: mysql_connect()
...arning isn't ideal but it should still be done to keep the code in working order. A good developer will still keep track of deprecated code and schedule it for a future update.
– sturrockad
Jan 8 '15 at 11:23
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