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不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...机A ,B有两个可用路由要实现主备切换,当主防火墙出现问题的时候,可以自动切换到备防火墙上。第一台设备 ASG 425 支持OSPF...拓扑如下 主机A ,B有两个可用路由要实现主备切换,当主防火墙出现问题的时候,可以自动切换...
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Create or write/append in text file

...s: $txt = "user id date"; $myfile = file_put_contents('logs.txt', $txt.PHP_EOL , FILE_APPEND | LOCK_EX); share | improve this answer | follow | ...
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AJAX Mailchimp signup form integration

...mp account. The following is an updated version of this answer which uses PHP: The PHP files are "secured" on the server where the user never sees them yet the jQuery can still access & use. 1) Download the PHP 5 jQuery example here... http://apidocs.mailchimp.com/downloads/mcapi-simple-sub...
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How to list the contents of a package using YUM?

... rpm -ql [packageName] Example # rpm -ql php-fpm /etc/php-fpm.conf /etc/php-fpm.d /etc/php-fpm.d/www.conf /etc/sysconfig/php-fpm ... /run/php-fpm /usr/lib/systemd/system/php-fpm.service /usr/sbin/php-fpm /usr/share/doc/php-fpm-5.6.0 /usr/share/man/man8/php-fpm.8.gz...
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is_null($x) vs $x === null in PHP [duplicate]

PHP has two (that I know of, and three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically design...
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PDO Prepared Inserts multiple rows in single query

...ame answer as Mr. Balagtas, slightly clearer... Recent versions MySQL and PHP PDO do support multi-row INSERT statements. SQL Overview The SQL will look something like this, assuming a 3-column table you'd like to INSERT to. INSERT INTO tbl_name (colA, colB, colC) VALUES (?, ?, ...
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家政O2O百家争鸣后的卡位战:烧钱补贴并非良药 - 资讯 - 清泛网 - 专注IT技能提升

...少业内人士表示,今年或将迎来真正的家政O2O大战,那么问题来了,怎么战?融资后的钱是否仅有补贴一道? 未来存活率仅有5% 国内巨大的家政需求吸引着一系列创业者的关注,根据“云家政”去年年底发布的北上广深四地家...
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家政O2O百家争鸣后的卡位战:烧钱补贴并非良药 - 资讯 - 清泛网 - 专注IT技能提升

...少业内人士表示,今年或将迎来真正的家政O2O大战,那么问题来了,怎么战?融资后的钱是否仅有补贴一道? 未来存活率仅有5% 国内巨大的家政需求吸引着一系列创业者的关注,根据“云家政”去年年底发布的北上广深四地家...
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家政O2O百家争鸣后的卡位战:烧钱补贴并非良药 - 资讯 - 清泛网 - 专注IT技能提升

...少业内人士表示,今年或将迎来真正的家政O2O大战,那么问题来了,怎么战?融资后的钱是否仅有补贴一道? 未来存活率仅有5% 国内巨大的家政需求吸引着一系列创业者的关注,根据“云家政”去年年底发布的北上广深四地家...
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家政O2O百家争鸣后的卡位战:烧钱补贴并非良药 - 资讯 - 清泛网 - 专注IT技能提升

...少业内人士表示,今年或将迎来真正的家政O2O大战,那么问题来了,怎么战?融资后的钱是否仅有补贴一道? 未来存活率仅有5% 国内巨大的家政需求吸引着一系列创业者的关注,根据“云家政”去年年底发布的北上广深四地家...