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How do I insert NULL values using PDO?
...akes a variable, to reference, and doesn't pull in a value at the time of calling bindParam. I found this in a comment on the php docs:
bindValue(':param', null, PDO::PARAM_INT);
EDIT: P.S. You may be tempted to do this bindValue(':param', null, PDO::PARAM_NULL); but it did not work for everybody...
TCP 的那些事儿（下） - 更多技术 - 清泛网 - 专注C/C++及内核技术
... 算法
但是上面的这个算法在重传的时候会出有一个终极问题——你是用第一次发数据的时间和ack回来的时间做RTT样本值，还是用重传的时间和ACK回来的时间做RTT样本值？
这个问题无论你选那头都是按下葫芦起了瓢。 如下图所...
How to display HTML tags as plain text [duplicate]
I have an input form on my website where HTML is allowed and I'm trying to add instructions about the use of HTML tags. I'd like the text to
...
Path of assets in CSS files in Symfony 2
...ge in /web/bundles/mynicebundle/images/devil.png
I have made a test with ALL possible (sane) combinations of the following:
@notation, relative notation
Parse with cssrewrite, without it
CSS image background vs direct <img> tag src= to the very same image than CSS
CSS parsed with assetic a...
拉里佩奇23条箴言帮你度过创业低谷 - 资讯 - 清泛网 - 专注C/C++及内核技术
...事物一直在改变，如果你的事业是稳定的，那你可能是有问题的。
编者注：或许你不知道拉里·佩奇，但一定知道谷歌。他说“你可能觉得谷歌很好用，但我仍觉得它烂透了。”你永远不会相信，就是这个人，一手缔造了谷歌...
How to make MySQL handle UTF-8 properly
... My understanding is that utf8 within MySQL only refers to a small subset of full Unicode. You should use utf8mb4 instead to force full support. See mathiasbynens.be/notes/mysql-utf8mb4 "For a long time, I was using MySQL’s utf8 charset for databases, tables, and columns, assuming i...
On delete cascade with doctrine2
...ple in order to learn how to delete a row from a parent table and automatically delete the matching rows in the child table using Doctrine2.
...
为什么一般逆时针旋转是拧松？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...恢复常态，闪过长达1秒钟的不好意思，就突然好奇这个问题了。
为什么是“逆时针→开，顺时针→关”？和左右手有关吗？和人体构造有关吗？
// 搜了搜原来这种无聊的问题还真的有人问过，中英文都有
右旋螺纹与右...
How to set a cookie for another domain
...get b.com to set the cookie. If a.com redirect the user to b.com/setcookie.php?c=value
The setcookie script could contain the following to set the cookie and redirect to the correct page on b.com
<?php
setcookie('a', $_GET['c']);
header("Location: b.com/landingpage.php");
?>
...
Is there a PHP function that can escape regex patterns before they are applied?
...our regex, commonly a forward slash (/) - will not be escaped. You will usually want to pass whatever delimiter you are using with your regex as the $delimiter argument.
Example - using preg_match to find occurrences of a given URL surrounded by whitespace:
$url = 'http://stackoverflow.com/questio...