What is the automatic locking strategy for InnoDB and Myisam in RT,MySQL, respectively? When do we need to explicitly add read-write locks? ...
MyIsam only supports table locks. Many places say that deadlocks will not occur in MyIsam. Is that so? If my two transactions query two tables and add write locks at the same time, but the locking order is not the same, will it deadlock? ...
first I install the lnmp environment using a container in docker,docker under Mac. When the user accesses, when the project gets the visitor Ip, the ip, bridged by the docker such as 172.0.0.1 will never get the client ip. Google has been unable to solv...
problem description jq s validate plug-in verifies why the error box is always there when the form loses focus the environmental background of the problems and what methods you have tried onfocusout: function(element) { $(element).valid()...
I happened to see the FSA standard and began to reflect on my design of the action structure in redux there is a bit of confusion about the description of error types in FSA according to the FSA standard, if an action triggers Error, then its struct...
there is such an application scenario: the payment center needs to push notification 4 to specify consumer; in the user group platform needs to send notification 1 to assign consumer to merchant group, 2 to assign consumer to user group, and 3 to s...
IOS 12.0 version of iPhone phone, the web project goes from one page to another, and then returns, all the events on the page are unresponsive (the ios12.0 version returns to refresh the page, but the previous version does not refresh the page.) after th...