db.weapon.update({"name":"虚无之刃"},{$unset:{"attack":""}}); Save:方法通过传入的文档来替换已有文档 db.weapon.save({ "_id" : ObjectId("5d03352d4cb87ff7d914c5f6"), "name" : "虚无之刃","type":"暴击" }); 注意:MongoDB 不支持 ACID 所以得自己处理。防止并发访问导致问题的思路...
/** @var SessionToken $token The SessionToken of this command; this is part of my programming approach */ protected $token; /** @var PDO $dbh The PDO handler to the database */ protected $dbh; /** @var $savePath Where sessions are stored */ protected $savePath; /** @var $...
New command: A new /token method has been added for short link functionality. This command generates a token for using monetization features. Configuration: To use this feature, you must configure the API key and URL for your short link provider. Fill in the AD_API (API key) and WEBSITE...
A simple CLI game made in python. You guess the number from a min/max range. There are options for a simple AI to play and see the statistics for any number range. gameaicommand-linepython3filesave UpdatedApr 2, 2024 Python SaveMate lets you effortlessly save shared files and text direc...
I'm trying to connect to MongoDB Atlas from my ASP.NET Core 3.1 application: And I'm getting the following error: I have tried to whitelist all ip addresses in Atlas, but it didn't help. My drivers: I...Update Flask code with new code generated by Swagger I recently started using...
golang唯一索引mongo唯一索引 默认索引对于每一个集合(除了capped集合),默认会在_id字段上创建索引,而且这个特别的索引不能删除。_id字段是强制唯一的,由数据库维护。嵌套关键字在MongoDB中,甚至能够在一个嵌入的文档上(embedded)建立索引.> db.things.ensureIndex({"address.city":1}) 文档作为索引任何类型,包括文...
First of all we are inserting only occasionally, so that would fail the insert command 99% of the time. Second of all we may only be updating a single column within a single row, so that implies we would need to know the entire row up front when we have to insert or replace the ro...
This allows progress bar information to be visible to the user on the console, while not being written to the log file. -v This option will make logsave to be more verbose in its output to the user.EXAMPLESExample-1:To save the output of the find command to a file called file.txt...
mongodb 批量导入json文件遇到的坑 转载:https://www.cnblogs.com/ls1016421/p/7601478.html 使用mongoimport命令导入外部json文件时,发现一直报错 报错结果如下: json数据格式完全正确如下: 经过再三确认格式最终找到解决方案,原来用cmd导入数据时json { }包含的数据必须在同一行 更改格式之后再次使用同样命令,即可导入...
How to check email address already exist in MongoDB database ? How to check for duplicate? How to check for same value in collection of objects How to check if a window.locaton.href is successful loaded? How to check if form authentication cookie has expired in your custom authorize How ...