want to show a powerful chart dashboard, and need to support R language for later statistical analysis. Now there are two kinds of solutions: one is: the front end to build their own framework, echarts, plotly and other frameworks to use, advantages: mor...
Hello everyone, I would like to ask a question, I use electron in the process of program execution using the template engine to create different html files, and use BrowserWindow.loadURL to load, there is no problem when debugging under Ubuntu, but after...
problem description because the horizontal center of flex is used, but the picture in my grandson element cannot be centered horizontally the environmental background of the problems and what methods you have tried margin,pannding and so on are mo...
since the company installed the php5.6 version before, I want to upgrade to php7 . After compiling and installing php7 , it is shown in the following figure: phpinfo5.6php7 ...
Server An is old, with php + apache + mysql applications Server B s application wants to use A s mysql data is there a simple way, except for server A to write api ...
1. If the Description field in param is left empty, an error will be reported as shown in the figure . function insertData (data) { var values=[]; async.map(data,function(item,cb){ _getNewSN({ query:{category : "ProjectOID_&...