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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...
In PHP, how to detect the execution is from CLI mode or through browser ? [duplicate]
I have a common script which Im including in my PHPcron files and the files which are accessing through the browser. Some part of the code, I need only for non cron files. How can I detect whether the execution is from CLI or through browser (I know it can be done by passing some arguments with the ...
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...
PHP Get Site URL Protocol - http vs https
...wered Dec 21 '10 at 19:38
profitphpprofitphp
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Submitting a multidimensional array via POST with php
I have a php form that has a known number of columns (ex. top diameter, bottom diameter, fabric, colour, quantity), but has an unknown number of rows, as users can add rows as they need.
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MySQL主从服务器数据一致性的核对与修复 - 数据库(内核) - 清泛网 - 专注C/...
...性的核对与修复我上一次遇到MySQL主从服务器数据一致性问题，想想是几年前的事情了，还依稀记得当时惊慌失措的情景，好在最后借助Maatkit解决了问题。几年...我上一次遇到MySQL主从服务器数据一致性问题，想想是几年前的事...
PHP how to get local IP of system
I need to get local IP of computer like 192.*....
Is this possible with PHP?
16 Answers
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How to convert string to boolean php
...uate to boolean true unless they have a value that's considered "empty" by PHP (taken from the documentation for empty):
"" (an empty string);
"0" (0 as a string)
If you need to set a boolean based on the text value of a string, then you'll need to check for the presence or otherwise of that val...
Remove a string from the beginning of a string
... want, where you can limit your replace to part of your string:
http://nl3.php.net/manual/en/function.substr-replace.php (This will enable you to only look at the beginning of the string.)
You could use the count parameter of str_replace ( http://nl3.php.net/manual/en/function.str-replace.php ), th...
Are PHP functions case sensitive?
...gging through some code, and I found some calls to mySQL_fetch_array . Is PHP case sensitive about function names? I recall reading this somewhere but can't seem to find any reference to it.
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