there is a volatile attribute in the netty internal logging framework InternalLoggerFactory that defaultFactory, does not understand why the volatile keyword is added, and if it is to implement a singleton, why not add the getDefaultFactory method in th...
public class TestClass { int i = 0; volatile boolean tmpvo = false; public void one() { i = 1; tmpvo = true; } public void two() { if(tmpvo) { int j = i; ...... } } } suppose that after the one () metho...
for unprotected multithreads, it is uncertain when some data is modified in one thread and when it is submitted to main memory, and the values used by other threads are not necessarily up-to-date. in the case of volatile modification, it is guaranteed t...
vuePC debugging is OK, open and click event with mobile phone is invalid, what is the reason, put it to my online address amoy592.xin open and enter console with computer, switch to mobile device everything is normal, click event is invalid after openi...
I have learned some knowledge about the internal structure of the execution context before, and I probably know that there are variable objects VO AO, this, scope chain Scope and other properties inside the execution context. Today I read the ...
how do I use the npm command to run script, in webpack on the command line to pass parameters to the webpack configuration file on the command line? At present, we know a way to pass npm run create-app=test-router=1-store=1, but it is too troublesome, i...
br > 11:49:07-log: Pulling recent changes from git repo "git: github.com brunch dead-simple.git " to " home i .brunch skeletons c76c330b8d54d134fca1e696f29bfc30993e5fd1 ". 11:49:13-log: Pulled master into " home i .brunch skeletons c76c330b8d54d13...
Wechat s official account obtains the picture and text material and wants to get the cover picture of the picture and text material. Go to thumb_media_id to call the permanent material API "errcode ": 40007, "errmsg ": "invalid media_id hint tempor...