question 1: is the reference count for the object or the memory where the data is stored? if it points to an object. But when decorated with Strong. I increased the reference count of T2 = t0 _ 0 _ t0 _ 0 _ T _ 1 ~ T _ 3 by 1 to 3, indicating that it i...
as shown in the figure, using memory analysis tools, you can see that the program takes up a lot of memory in both the java and native layers, especially in the native layer, which is increasing all the time. I don t know how to solve it, and I can t...
RT, in a 64-bit system, assuming that the actual memory is 3GB, what happens if the program requests 6GB memory and writes to the requested memory? ...
as shown in the picture, just opening the impression note takes up so much memory, what is it doing? ...
The example on memory Management of MDN mentions that JavaScript may decide not to allocate memory and does not know how to understand it: var s = "azerty"; var s2 = s.substr(0, 3); s2 JavaScript [0-3] var a = ["ouais ...
We usually new an object, and the process of requesting memory is completed by operator new, so how does allocator in stl take over operator new to complete the memory request? How is the memory request right of an object transferred? I don t think oper...
encountered a small problem when practicing: videouseruseriduseridavatar,videouser: then res.send () will execute before User.findOne () . how can I execute res.send () after User.findOne () ? the newcomer at the front end understands Pr...
1. I think using iframe to layout can do local refresh, the page experience is better, why this is not good. 2. Why is it better to use div for layout? With DIV layout, each click of a menu button refreshes the entire page. If the menu bar data on the...
Hello, everyone. I have a question. I have a logic like this. Loop a list to determine whether each value of the list is within a variable string. If 1 is not returned, a specific value will not be returned. The sample code is shown in the figure. Now ...
in Vuex State document : when a component needs to acquire multiple states, declaring these states as computational properties can be repetitive and redundant. To solve this problem, we can use the mapState helper function to help us generate computa...
is to open two pipes in pipeline, insert data in mongodb, determine how to remove duplicates and not download files. If not, insert database and download files this is to use a download pipeline to insert a database insert pipeline first check the da...