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PHP: Storing 'objects' inside the $_SESSION
... is made, the class declaration/definition has already been encountered by PHP or can be found by an already-installed autoloader. otherwise it would not be able to deserialize the object from the session store.
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“Adobe Flash Player因过期而遭到阻止”的内幕起因和解决办法 - 更多技术 ...
...情况。随后我尝试电脑里第二浏览器maxthon时并未出现此问题，此时，我大概猜到是怎么回事了……
◆起因
大家先听我慢慢道来，这跟前不久我们跟踪报道的Hacking Team（以下简称HT）400GB内部资料泄露事件有莫大联系。如果说...
Memcached下一站：HandlerSocket！ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...形中让Memcached成为故障的根源：
Memcached数据一致性的问题：当MySQL数据变化后，如果不能及时有效的清理掉过期的数据，就会造成数据不一致。这在强调即时性的Web2.0时代，不可取。
Memcached崩溃后的雪崩效应：作为缓存的Memc...
Mixing a PHP variable with a string literal
...ake a look to the Variable parsing - Complex (curly) syntax section of the PHP manual.
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Delete directory with files in it?
...ainly useful for explode()ing a path taken from the OS. alanhogan.com/tips/php/directory-separator-not-necessary
– ReactiveRaven
Jul 16 '12 at 23:47
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Converting string to Date and DateTime
If I have a PHP string in the format of mm-dd-YYYY (for example, 10-16-2003), how do I properly convert that to a Date and then a DateTime in the format of YYYY-mm-dd ? The only reason I ask for both Date and DateTime is because I need one in one spot, and the other in a different spot.
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How to calculate the bounding box for a given lat/lng location?
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Here is a PHP implementation from the specification found at JanMatuschek.de: github.com/anthonymartin/GeoLocation.class.php
– Anthony Martin
Dec 3 '12 at 14:10
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C语言面试那些事儿──一道指针与数组问题 - c++1y / stl - 清泛IT社区，为创新赋能！
...言指针较晦涩和难懂的地方。
理解了这两点的话，上述问题则十分简单：a + 1：现在把a看作一个指针，指针+1操作，根据C语言语义，实际增加偏移量的是指针指向类型的长度，即32位机器下的int型，即4字节，故a+1就是&a[1]，...
Which MySQL datatype to use for an IP address? [duplicate]
...Pv6 addresses you could use a BINARY instead:
`ipv6` BINARY(16)
And use PHP’s inet_pton and inet_ntop for conversion:
'INSERT INTO `table` (`ipv6`) VALUES ("'.mysqli_real_escape_string(inet_pton('2001:4860:a005::68')).'")'
'SELECT `ipv6` FROM `table`'
$ipv6 = inet_pton($row['ipv6']);
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大数据不是万能的 - 资讯 - 清泛网 - 专注C/C++及内核技术
...地方。我们认为，大数据其实面对的不是99%的机构面对的问题，这个说法跟市场上很多的说法不大一样。
我们看一下，把这个额度分配到一万到十万区域。在这个领域从事信贷服务的，大家马上想到的是信用卡，也可能想到某...