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...
A recursive word cannot be written in the work. Ask the master for help and accept a reward. Thank you. Thanks Thanks () has the following data . [{ id: 1 , name: 1 , items: [ { id: 2 , name: 2 , items: [ ...
@ Component public class StatusListener implements ServletContextAware { final ReentrantLock lock = new ReentrantLock(); @Override public void setServletContext(ServletContext servletContext) { Runnable runnable = new Runnable() { public v...
execute cnpm install locally after downloading the project. The git clone error folder already exists and is not empty when installing Lodash [125 128] Installing lodash.restparam@^3.0.0fatal: destination path D: Documents-and-setings Administrator...
@ CachePut public Result updateUser (User user) { } @ Cacheable public Result getUserList () { } query the (getUserList) of all users and store it in the cache. After modifying the individual user information (updateUser), how to update the cache o...
I want to find the source address of the video from the web page. This is the code on the web page. How can I analyze the source address from here? <embed name="prism-player-4F5FF2FD-7BD8-4E9D-A852-C1B400332904" src=" g.alicdn.com de...