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node.js - Express-session implements cookie issues in login verification

The current situation is that there is a cookie on the browser side, the name is config.session.key('myblog'),...

From [MongoDBdiscussion group] 2017-05-02 09:26:17 0  1  999

mongodb - 如何查詢所有時(shí)間落在某個(gè)月份上面

1，需要查詢某個(gè)表中的數(shù)據(jù)為某個(gè)月份的時(shí)間。2，比如說 要查詢活動(dòng)表中所有9月份的活動(dòng)。所有年份都可以。只取落在9月份的活動(dòng)3，使用的是springdatamongo.用criteria如何組裝這種條件。4，聚合函數(shù)暫時(shí)...

From [MongoDBdiscussion group] 2017-05-02 09:22:22 0  1  998

嵌套文檔修改 - mongodb第三級(jí)嵌套數(shù)組修改問題

現(xiàn)在的數(shù)據(jù)結(jié)構(gòu)是這樣的 {代碼...} 要想修改knowledge.name，修改語句該怎么寫？之前在修改chapter.name時(shí)我是這樣寫的 {代碼...} 不知道在修改第三級(jí)嵌套文檔時(shí)，$定位符改怎么使用。

From [MongoDBdiscussion group] 2017-04-24 15:59:39 0  1  997

nginx - lua的mongodb庫auth驗(yàn)證方法耗費(fèi)時(shí)間占請(qǐng)求的三分之二！請(qǐng)問大神怎么優(yōu)化下呢

驗(yàn)證的方法代碼： {代碼...} 完整文件github的地址：https://github.com/LuaDist2/l...

From [MongoDBdiscussion group] 2017-05-02 09:22:19 0  3  996

pymongo - mongodb 的find()耗時(shí)太長(zhǎng)，應(yīng)該怎樣優(yōu)化？

目的： 在超過10萬條數(shù)據(jù) 隨機(jī) 選取一條數(shù)據(jù)。我的方法： data=db[item].find().skip(random_num).limit()遇到問題： 耗費(fèi)時(shí)間很長(zhǎng)才能隨機(jī)找到數(shù)據(jù)。根據(jù)profile測(cè)試，是因...

From [MongoDBdiscussion group] 2017-04-28 09:04:33 0  3  996

postgresql - MongoDB和PostGIS的Geohash是怎么計(jì)算的？

像0101000020E610000098E9F4A131405C40BBA1265A25B53740這種編碼過后的經(jīng)緯度，是怎么計(jì)算的。嘗試過去看postgis和mongodb的源碼，無奈沒找到（不懂啊……）

From [MongoDBdiscussion group] 2017-04-24 16:00:26 0  1  996

javascript - The problem of using MongoDb to store session data in Node and Express development. According to the book, the following questions appeared. I have been searching for a long time and cannot find the answer. I would like to ask everyone for advice.

Error code for using MongoDb to store session data: // Using mongoDb to store session data {code...} An error ...

From [MongoDBdiscussion group] 2017-06-10 09:48:01 0  2  990

mongodb: no reachable servers

OS X 環(huán)境下用 brew 安裝 mongodb 之后按照官方文檔上的教程 import 一個(gè) json 文件輸入： {代碼...} 過程中 出現(xiàn)報(bào)錯(cuò) {代碼...} 求解決方案 已經(jīng)嘗試過的解決方案：1.mongoi...

From [MongoDBdiscussion group] 2017-05-02 09:18:05 0  2  990

mongodb - mongo存儲(chǔ)空間問題

本人剛?cè)胄惺钟畏?wù)端開發(fā)，目前在跟一個(gè)項(xiàng)目，里面主要用到mongo db來存儲(chǔ)數(shù)據(jù)，這兩天糾結(jié)于mongo存儲(chǔ)空間的問題：使用數(shù)組格式來存儲(chǔ)數(shù)據(jù)和使用記錄類型格式來存儲(chǔ)數(shù)據(jù)，哪一種存儲(chǔ)更加節(jié)省空間？ 記錄類型格...

From [MongoDBdiscussion group] 2017-04-28 09:04:14 0  4  990

mongoengine - MongoDB怎么設(shè)計(jì)多級(jí)分類好？

文章以及課程模型需要定義所屬分類，該分類是多級(jí)的，MongoDB中怎么設(shè)計(jì)比較合理？如果直接定義在文檔里，擔(dān)心一致性的問題！

From [MongoDBdiscussion group] 2017-04-22 08:59:46 0  6  988

python3.x - Use python to operate mongodb, which one should be installed on pypi?

I am a newbie and have never used mongodb before. Please help. Thank you.

From [MongoDBdiscussion group] 2017-05-17 10:02:59 0  1  986

mongodb hot backup and cold backup

Does mongodb hot backup refer to operations implemented using mongodump, etc.? What about cold backup?

From [MongoDBdiscussion group] 2017-05-17 10:02:47 0  1  985

How to use mongodb to do rbac in yii2

Please tell me, how to use mongodb for RBAC permission control in yii2?

From [MongoDBdiscussion group] 2017-05-02 09:23:46 0  0  984

The mongodb installation encounters difficulties. How to uninstall and reinstall?

Install mongodb through the online installation method, then execute brew update, and then execute brew instal...

From [MongoDBdiscussion group] 2017-05-02 09:26:22 0  1  982

Are there any mongodb hosts similar to mlab.com in China?

As title. Thank you.

From [MongoDBdiscussion group] 2017-05-02 09:24:22 0  2  981