... max_allowed_packet is set in mysql config, not on php side [mysqld] max_allowed_packet=16M You can see it's curent value in mysql like this: SHOW VARIABLES LIKE 'max_allowed_packet'; You can try to change it like this, but it's unlikely this will work on shared hostin...

...r methods', which is a simple implementation of the Observer pattern. Basically, the handler methods (callables) are stored in an array and are each called when the event 'fires'. Publish-Subscribe The disadvantage of Observer event systems is that you can only register the handlers on the actual Ev...

...们发誓要推出一款革命性的智能应用。 虽然由一个简单问题出发，Uber却代表了更深层次的转型：通过无处不在的智能手机平台，重新整合信息与服务、劳动力与服务需求者，直至改变未来世界商业的许多方面。 没有哪个公司...

...m assuming no password for the keys (which is bad). Generate an RSA pair All the following methods give an RSA key pair in the same format With openssl (man genrsa) openssl genrsa -out dummy-genrsa.pem 2048 In OpenSSL v1.0.1 genrsa is superseded by genpkey so this is the new way to do it (man...

...下，我们在运营中看到可以获得有效数据的原始数据不是问题，去除无效和虚假的数据才是关键。 相信做发行的同行都知道，在实践中，会遇到通过某些渠道或者是CPS，或者是广告渠道，他们一定会有大量的虚假的数据在里面...

...se of Google Analytics. Only problem is that I am sure that it is counting all my development work as hits. Seeing as I probably see some of those pages a hundred times a day it will really skew my readings. Is there a way to turn it off from a particular IP address or is this something that should ...

... (SELECT @curRank := 0) r ORDER BY age; The (SELECT @curRank := 0) part allows the variable initialization without requiring a separate SET command. Test case: CREATE TABLE person (id int, first_name varchar(20), age int, gender char(1)); INSERT INTO person VALUES (1, 'Bob', 25, 'M'); INSERT I...

...n if the recursive function is tail recursive (the last line is recursive call). Tail recursion should be recognized by the compiler and optimized to its iterative counterpart (while maintaining the concise, clear implementation you have in your code). I would write the algorithm in the way that m...

...oop, then you need to prepend an ampersand to your enumeration variable to allow write access. – FreeAsInBeer Jul 30 '12 at 21:20 1 ...

... PHP-CS-Fixer phan Lower-level analyzers include: PHP_Parser token_get_all (primitive function) Runtime analyzers, which are more useful for some things due to PHPs dynamic nature, include: Xdebug has code coverage and function traces. My PHP Tracer Tool uses a combined static/dynamic approa...