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How to check if an email address exists without sending an email?
...anization with many internal departments with their own mail servers. The border server might not even know all accounts within.
– David Mårtensson
Feb 27 '11 at 21:25
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nginx error connect to php5-fpm.sock failed (13: Permission denied)
... socket, if one is used. In Linux, read/write
; permissions must be set in order to allow connections from a web server. Many
; BSD-derived systems allow connections regardless of permissions.
; Default Values: user and group are set as the running user
; mode is set to 0660
;listen...
Serializing PHP object to JSON
So I was wandering around php.net for information about serializing PHP objects to JSON, when I stumbled across the new JsonSerializable Interface . It's only PHP >= 5.4 though, and I'm running in a 5.3.x environment.
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How do I get the last inserted ID of a MySQL table in PHP?
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mysql_(...) is deprecated in PHP >= 5.5 version.
– Iago
Oct 30 '14 at 2:12
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How to convert PascalCase to pascal_case?
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$output = strtolower(preg_replace('/(?<!^)[A-Z]/', '_$0', $input));
PHP Demo |
Regex Demo
Note that cases like SimpleXML will be converted to simple_x_m_l using the above solution. That can also be considered a wrong usage of camel case notation (correct would be SimpleXml) rather than a b...
How to make PDF file downloadable in HTML link?
...nking to the .PDF file, instead do something like
<a href="pdf_server.php?file=pdffilename">Download my eBook</a>
which outputs a custom header, opens the PDF (binary safe) and prints the data to the user's browser, then they can choose to save the PDF despite their browser settings....
mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
...ion:
NOTE The mysql_ functions are deprecated and have been removed in php version 7.
Check $result before passing it to mysql_fetch_array. You'll find that it's false because the query failed. See the mysql_query documentation for possible return values and suggestions for how to deal with th...
PHP, get file name without file extension
... very useful, especially when you don't need to know the file extension in order to extract it.
– Vahid Amiri
Sep 2 '16 at 17:47
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How to do a GitHub pull request
...y, a true business news organization would know, and there is an e-note in order to replace pull-replace by 'e-note':
So if your reposotory needs a e-note... ask Fox Business. They are in the know.
</humour>
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内存调试技巧：C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术
...管理的重要性
存在内存错误的 C 和 C++ 程序会导致各种问题。如果它们泄漏内存，则运行速度会逐渐变慢，并最终停止运行；如果覆盖内存，则会变得非常脆弱，很容易受到恶意用户的攻击。从 1988 年著名的莫里斯蠕虫 攻击到...