Can you explain what this line of code means? Why can it be written like this? Why should it be written like this? fun log(tag: String) = fun(target: OutputStream) = fun(message: Any?) = target.write("[$tag] $messa...
divdiv here is the code (some of the css code has been ignored) template code <template> <div> <div class="follow_contents_wrap" v-for="(list,index) in follow_contents" ...
recently encountered some problems in the process of learning react.js. Go to the code diagram first: inputonChangestate,stateinputvalue. consolestateinputvalue,... state,,,. this picture, which obtains the real-time value, fetched by input directl...
the first step to use Wechat jssdk is to inject permissions through the config API to verify the configuration. because the company does not separate the front and back end to obtain data through the interface, or the old front end writes the page to th...
...
recently I tried to use SpringBoot + JPA + H2 database. In application.properties, I configured the database connection spring.datasource.url=jdbc:h2:tcp: localhost D: H2DataBase DB test;AUTO_SERVER=TRUE;DB_CLOSE_ON_EXIT=FALSE but after starting the ...