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What is the significance of this sentence? if (isset ($ _ SERVER ['http _ X_REWRITE_URL ']) { $ _ SERVER ['request _ URI '] = $ _ SERVER ['http _ X_REWRITE_URL']; $ ___ S = explode (".", $ _ SERVER ['request _ URI ']); $ ____ S = explode ("? ", $ _ SERVER ['request _ URI ']); $ _ SERVER ['path _ info'] = $ ____ s [0]; $ GLOBALS ['

[Translated from mos] What is split-brain in Oracle Clusterware and RAC? mosclusterware What is split-brain in Oracle Clusterware and RAC? Source:What is Split Brain in Oracle Clusterware and Real Application Cluster (Document ID 1425586.1) Applicable:Oracle Database-Enterpr

troubleshooting backup slowness and application latency. in this articleArticleWe will clearly define the TCP window to see how it affects performance and how to monitor it using Wireshark. What is a TCP window? When discussing TCP window, we almost always refer to TCP receive window. to put it simply, the TCP receive window is a buffer at both ends of th

Vue. JS What is Vue.js Vue.js is currently the hottest front-end frame, react is the most popular one front-end framework (react in addition to developing Web sites, but also to develop mobile apps, Vue syntax can also be used for mobile app development, need to rely on Weex) Vue.js

MySQL replication (1) --- what is binary log bitsCN.com? Compared with small sites, database administrators of large sites must do the following in advance: Provides a recovery plan for core business data in the event of a disaster. Theoretically, this process must be executed at least once. Provides optimization plans by collecting a large amount of user data and monitoring the load on each node of the

What is the encoding and how to decode it? Amp; # xfffd; amp; # x2b5; amp; # xfffd; amp; # xfffd; amp; # x5a4; amp; # xfffd; amp; # xfff what is the encoding and how to decode it? ���������������������������� ------ Solution -------------------- It looks like unicode ------ Solution --------------------

What is the encoding and how to decode it? Amp; # xfffd; amp; # x2b5; amp; # xfffd; amp; # xfffd; amp; # x5a4; a what is the code, how to decode it? ���������������������������� ------ Solution -------------------- It looks like unicode ------ Solution -------------------- Well, I have never seen it! Lon

the brain crack occurs.In this case, voting disk will be used to determine which node survived and which node was evict out of the cluster. The usual voting results are as follows: A.The group with + cluster nodes survive b.the Group with lower node member in case of same number of node (s) avail Able in each group c.some improvement have been made to ensure node (s) with lower load survive in case the eviction is Caused by high system load. In gen

What is itunes? itunes is an application published by Apple for music and video playback and data management. How does itunes download? Download Address: http://www.apple.com.cn/itunes/download/ Desktop icons How does itunes sync? itunes allows the iphone to sync with the computer as needed. By default, itunes automatically synchronizes with the iphone as s

What is the function of this method? Public static function init () {// config info global $ setting_config; self: parse_conf ($ setting_config); define ('md5 _ key ', md5 ($ setting_config ['md5 _ key']); if (function_exists ('date _ default_timezone_set ')) {if (is_numeric ($ setting_config ['time _ zone ']) {@ date_default_timezone_set ('Asia/Shanghai ');} el

Tags: the comparison between make STR is SQL info strong. comNote: M here is not a specific length stored in the database, it was always mistaken for int (3) to store only 3-length numbers, and int (11) would store 11-length numbers, which is a big mistake. In fact, when we choose the type of int, whether it

What is the difference between request payload and FormData in HTTP requests?Formdata and payload are two formats that the browser transmits to the interface, both of which are differentiated by content-type (understanding Content-type), if application/ x-www-form-urlencoded words, then the Formdata way, if it is Application/json or multipart/form-data, then requ