1.sqlalchemy query data, sort according to the data in the field (Chinese) to Pinyin (ascending order) 2. It is known that there are func.convert and sql.func.CONVERT methods in sqlalchemy, and the import method is . from sqlalchemy import func from sq...
when mongodb uses an index query, whether to put the data index into memory when the data is created, or whether the index is loaded into memory when the query is made, and whether the index in memory will not be automatically cleared? how to estimate t...
there is a piece of php code that simulates the hook mechanism class Ball{ public $people; public function down(){ echo "ball is downing "; $this->people=new Hook();...
the company s computer is submitted and pushed directly, and the remote code warehouse is updated immediately. The same operation of the computer at home is not good. It needs to be pushed again before it will be updated. What is the reason and how to s...
Click the black area, the tab and the black mask disappear, now I click on the tab area to trigger the function, my understanding is caused by the event bubble, but the event trigger function is written on the black mask div, plus .stop does not work, h...
as shown in the figure, the content takes up 1.6 gigabytes and begins with hundreds of megabytes. When writing code for hot updates, it will get bigger and bigger. what is the reason for this? ...