topic description while learning the knowledge of multithreading, the result of the following code is not the same as expected. I can t see what the problem is. Please take a look at it . sources of topics and their own ideas what I think is that ...
when you see unsafe object publishing in Concurrency Practice, there is a publication that publishes an internal class instance. The code is as follows: public class ThisEscape{ public ThisEscape(EventSource source){ source.registerListener...
I use docker to run redis, on Ubuntu in the virtual machine to refer to other people s ideas. I create a redis directory that contains a data directory and a redis.conf configuration file, as shown in figure: redis.confbind 127.0.0.1 daemonize no ...
the width of the parent element is stretched out by the child element, but when it reaches the position in figure 1, it becomes possible to scroll the size of the child element is irregular can you do it with pure css? can you do that twice when I ...
there is a new requirement that needs to add a field X to the table TABlE_A. Suppose X has values of 0 and 1, but for historical data, the value of this field is NULL,. What do you prefer to do at this time? data revision. Brush over the historical d...
the web side is developed with vue, and then a preview page needs to be converted to rem for mobile use. How to configure webpack? `function generateLoaders (loader, loaderOptions) { const loaders = options.usePostCSS ? [cssLoader, postcssLoader, px2r...
the time display is correct in Wechat s development tools, and iphone5,6,7 is OK, but the picture description is not correct on the real machine ...