java cooperated with opencv to write a small monitoring software based on usb camera under windows system. saved on disk in the form of 8 photos per second, resulting in too many fragmented files. it takes too long to delete using the normal delete com...
PHP business interface, you need to write a detection script. Executing the script in the monitoring system can self-check, but the parameters of the interface are not fixed. How to deal with this generally? for example, the interface of an order, the ID...
it doesn t seem to work like this. 1D represents the increment of the past 24 hours, not from zero today. sum(increase(sms_count[1d])) also, how can this query be written to display increments according to the range selected by grafana s time range?...
what happens now is that if I delete the CSS style file on the server side, the running project will report an error that the CSS file cannot be found, but the HTML content will still be displayed, but the styles will all be messed up. I also know tha...
demo code written by myself: : : : what s going on? For the first time with the help of video.js, God, thank you. another: vertical volume bar, set, also can not achieve vertical display, is there a problem with my code? ...
related codes String newContent = ": r n" + "1. r n" + ""; DocumentBuilder builer = null; DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance(); documentBuilderFactory.setIgnoringElement...
problem description can webpack merge and compile only js and css without adding any additional code to the js file Webpack-related elements do not appear in code, and code variable names do not compress and replace ...
what is the side effect code? does CSS count? why can t css be packaged after using tree shake? it is necessary to configure siderEffect to package css files ...