generally use sqoop-1.4.7.bin__hadoop-2.6.0.tar.gz as a compressed package so I would like to ask the master: where is sqoop-1.4.7.tar.gz commonly used? What scene? what s the difference between sqoop-1.4.7.bin__hadoop-2.6.0.tar.gz and sqoop-1.4...
location ~ ^ new (. +) (. +) { proxy_pass nodejs; } The effect of above is that if you visit http: localhost new 25 9, give it to nodejs for processing. But now there is a http: localhost news 25 9. I hope this news can be automatically conve...
my environment is windows. With py2.7, installed, I installed the virtual environment of py3.6 with virtualenv. The installation of PyQt5, in this virtual environment was successful, but many of the related modules could not be found. Run the code (or i...
public static function create($title, $content, $label_ids){ self::$db->action(function($db){ $db->insert( articles , [ title => $title, content => $content, created_at => self...
similar to Meituan search nearby merchants, if the merchants have their own distribution range, the longitude, latitude and distribution range of the merchants are stored in MongoDB when the search scope is larger than the distribution scope, when...
I haven t used redis, before and ask everyone to give me a good plan requirements are as follows: redis maintains the serial number of the game vote. Before inserting the redis, you need to determine whether the serial number exists, and cannot inse...