when node.js connects to mongodb and executes MongoClient.connect (), it is very fast in the local environment, but very slow to get online, which takes more than 1 second, as shown below: var express = require( express ); var router = express.Router...
function searchData(){ NodeInfo.find({}, function(err, res){ if(err) { console.log("Error:" + err); } console.log(JSON.stringify(res,null,2)); 1 return res; }) } let a = searchData(); conso...
simulate a scenario: A single-node backup of MongoDB is done at 11:00, and the backup ends at 11:10, and the backup data at this time is 11:10. accidentally delete data at 11:20 in this case, we can restore the data to 11:10 through the backup data ...
question: at present, what images are stored in mongodb is only a relative drive, so how to provide a complete image path to the server when returning to the front end? in the database: products img1.png actual returned data: http: xxx.xxx.xxx.xx...
2018-06-01T21:50:27.381+1000 I STORAGE [initandlisten] WiredTiger message [1527853827:381260][6025:0x7fffb1251380], txn-recover: Recovering log 88 through 89 2018-06-01T21:50:27.448+1000 I STORAGE [initandlisten] WiredTiger message [1527853827:448472][...
linux system starts after installing MongoDB: . bin mongod: error while loading shared libraries: libssl.so.10: cannot open shared object file: No such file or directory ...
the bin directory was not found on the server. How to use the command mongodump-h for database backup. Thank you ...
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I want to update the data of a field in the mongodb database in batches. The database is as follows. Use https: www.baidu.com to 127.0.0.1 in the database. { "_id" : ObjectId("5aaf69069c49ac25b89903b5"), "title" :...
the computer is a WIN 10 system I follow this tutorial to install mongoDB, http: www.runoob.com mongodb. but as soon as you enter the mongo link. Just report this error has been reinstalled several times, but it has not been solved. also chan...
want to match how to write regular for non-hello admin under hello .* in apache. url looks like this: hello www index.php hello admin ^hello ([^admin].*)$ hello (?:[^admin].*) Why not all of the above ...
for example, PHP has a command line way to quickly start the service: php -S localhost:8888 is there a similar way for node to quickly start a service? < hr > nodeJS does not have the command to open the service directly, so it seems that there is n...
premise : The project is packaged into apk using cordova , and the plug-in cordova-plugin-splashscreen is used to do the app startup animation. This step has been implemented. Target: effect 1: I have seen a lot of app, such as NetEase ...
option = { xAxis: { type: category , data: [ Mon , Tue , Wed , Thu , Fri , Sat , Sun ] }, yAxis: { type: value }, series: [{ data: [820, 932, 901, 934, 1290, 1330, 1320], type: line , markLine: ...
I started a development server with webpack-dev-middleware. I want to know where the server stores pages and js Deng resources, and how to find them ...