mongodb - mongodump无法导出数据

用mongodump导出位于服务器上的数据，然后用mongorestore到本地上作调试用，但是用mongodump怎么也无法导出数据，命令如下：mongodump -h localhost:27017 -d xxx -c xx,运行命令后可以看到在当前路径下生成了一...

phpcn_u1582 2017-05-02 09:22:24 0  2  704

phpexcel imports data expressed in scientific notation

Recently, there has been a problem with using phpexcel to import an excel table (excel2007). If the numbers in the table are too long, excel will sometimes express them in scientific notation. During the import, the data table will also store the data in scientific notation. If the number of the cel...

習慣沉默 2017-05-24 11:33:34 0  2  1432

mongodb > 3.0.0导入数据特别慢

使用mongodump导出后,v3.x 相比 v2.6.6 mongorestore导入速度慢了不止一个数量级 大概200万的数据(2GB) 总共只需要5分钟的样子 v3.x不知道是不是因为使用了身份验证的原因导入只有3MB/S

过去多啦不再A梦 2017-05-02 09:18:22 0  2  781

MongoDB无法查询数据

MongoDB批量插入数据时，执行查询无法查询到数据，插入完成后才查询到数据

PHP中文网 2017-04-25 09:02:03 0  2  830

python - Query data with flask+sqlalchemy

After I log in and it is included in the main page, will the data on the main page be received using a form? I don’t know how to put the found data on the page. Is there any information you can recommend or some guidance?

怪我咯 2017-05-18 10:59:39 0  3  938

python - xlwt insert table data horizontally

There is data: [(1,),(2,),(3,)],[('a',),('b',),('c',)],[('e', ),('f',),('g',)] respectively represent the values ​​of three different columns. The requirement is: write table records horizontally: My program is as follows, it can only achieve sequence insertion. I don’t know how to modify the order ...

phpcn_u1582 2017-05-18 10:50:46 0  2  754

php data acquisition?

php data acquisition? php data acquisition? php data acquisition?

Mr.V 2017-07-27 21:56:28 0  4  2256

Why can't I query the data after adding the where statement?

Why can’t I query the data after adding the where statement?

HZz 2018-03-31 14:57:59 0  5  1659

Java - When inserting data with empty value into the database, it says that my data is too long.

When inserting null data into the database, the error Data truncation: Data too long for column 'REPLY_TYPE' at row 1 is reported. This field is set to varchar(20). The character set of the program and table is utf_8.

漂亮男人 2017-05-25 15:08:09 0  2  715

python爬虫 - mongodb 存入了pymongo传入的多个数据之后怎么提取有用的数据

有多条这样类似的数据 {代码...} 我想在上面的数据当中获得能够匹配：『诛魂记』 的连接以及后面的文本数据，例如 {代码...} 这样，同时把得查询到的结构存到另外一个表中，以及得到 {代码...} 中的连接 http://t...

过去多啦不再A梦 2017-05-02 09:17:52 0  1  645

SimpleXML not loading GML data

I have the following sample XML data that I want to parse to SimpleXML using PHP: <?xmlversion="1.0"encoding="utf-8"?><ogr:FeatureCollectionxmlns:xsi="http://www.w3.org /2001/XMLSchema-instance"xsi:schemaLocati

P粉718165540 2024-04-04 10:04:41 0  1  531

javascript - If a page has no data and has data, different content will be displayed. What should the front end do?

Question 1: For example, it is an order page. When I do not have an order, I display a picture to guide the user to choose the product of their choice. The content will only appear here after the user places an order and pays. I am using Vue to write the page, so I make virtual json data and then te...

巴扎黑 2017-05-19 10:22:17 0  2  391

PHP provides data to the app through the number of pages

I merged two two-dimensional arrays into one array using array_merge, and then did paging. Then the app sent me the page number, and I gave him the corresponding data, but why is there only one page of data, and it doesn’t matter how many pages there are on the app. Every page has data. I also tried...

大家讲道理 2017-05-16 13:00:25 0  1  785

Data import issues

How to import the teach_manger.sql data table file into the database?

不着铅华 2018-11-27 16:40:21 0  1  1227

Can't get data, but can insert normally

In the controller, I output $data through print_r, and the data in the result is empty. However, after submission, the data can be seen in the database. What's going on? ? Ask for answers

驱魔鮔 2019-01-05 13:07:03 0  0  1167

symfony - Unique Constraint How to determine that the same data already exists before saving?

{Code...} I only check whether there is already the same data in the current database, but there are already several data that are the same in the data being inserted. So during the insertion operation, the following information is given: An exception occurred while executing ' INSERT INTO workflow ...

大家讲道理 2017-05-16 16:44:44 0  2  791

Ensure the security of React variable import

Will it cause security issues if I import an object in a React file to use some of its values? For example, if I have an object like this: vardata={'name':'Adam','id':12345,'secret':98765} and I import it like this: import{data}from'db.js ';functionIndex(){return(<>{data.name}{data.id}</>...

P粉610028841 2023-09-16 15:11:12 0  1  926

Display json type data in blade

Displaying json type data in blade I have a table in my database which stores data and one of the data is of json type, everything is going fine but when I want to display these json in blade the problem starts which is My json data type [![Enter image description here][1]][1] In my blade I use php ...

P粉064448449 2024-03-22 12:05:15 0  1  374

javascript - VUE2.0 switches details page data

Clicking on the details on the list page can switch the detail content list page normally according to the id: the click function adds this.$router.push({ name: 'detail', params: { id: id }}); the details receive the passed id this. $route.params.id, the right column of the list page has a navigatio...

学习ing 2017-07-05 10:47:46 0  1  1152

Entering words results in NaN errors for data points

When I type a word, this shows me an error with NaN in the alert. The success message shows the correct value, but the alert shows a NaN error. points and totalPoints are declared outside the function scope varwordList=["jalapeno","nopal","jalap","paeon","...

P粉043295337 2024-04-01 16:24:49 0  1  476