Python can read a csv file but the content is wrong, but it can be opened with excel alone. How to solve it?

Convert csv file to xlsx file but cannot read it, various errors are displayed. This is when opening excel. This is read with Python. This is the error when reading with Python after changing to xlsx.

淡淡烟草味 2017-05-18 11:00:22 0  3  824

What are the advantages of partition design in kafka?

Increase concurrent writes? Disk io can only write one file at a time, right? Can concurrent reading be improved? Disk io can only read one file at a time, right? Increase single write speed? It seems to have nothing to do with partition, right? Increase single read speed? Wouldn’t it be solved with...

滿天的星座 2017-06-23 09:13:28 0  1  1162

Translate PHP script to read CSV file and return echo multiple times

I have written a radio schedule PHP script that reads a CSV file and publishes the results on a website based on time and date. However, it appears it will be released twice. The following is the script content:

P粉127901279 2023-08-06 19:24:52 0  1  614

Will Linux report an error when using mv to move files that are being read and written?

1) What will happen if you use the mv command to remove the file being read in the Linux system? For example, file 1.txt is being read by process A. If I use the mv command to move 1.txt to another directory, will process A make an error? 2) What will happen if mv removes the file being written? For...

世界只因有你 2017-05-18 10:51:33 0  2  1877

Writing to a directory like Documents folder - Stack Overflow

How to write the following directory into Documents? The actual requirement is to load a website locally. I did an experiment myself. If I put it into the Documents folder and read the index.html file in it, it can be loaded normally. So I want to write the website files to the Documents file direct...

黄舟 2017-05-17 10:06:36 0  1  777

How to merge multiple txt files in a folder in Python?

Read a txt file in the folder and record the txt file name (user ID) and write it into a new txt file. Delete the original txt file. Delete the above steps. Loop the txt file and sort by time in the content. Add user ID + original content at the beginning of each log.

漂亮男人 2017-05-18 10:54:10 0  1  1139

"Attempting to read while the reader is closed has no effect."

I'm trying to write data from mysqluinlgc# to a .txt file but I'm getting the error "Invalid read attempt while reader is closed.". The code is here: StreamWritersr_Produto=newStreamWriter(@"C:\Enzo\PAP\PAP\Ficheiros\produto.txt",true);bdcon.Open();MySqlCommandcmd=newMySqlCommand...

P粉884667022 2024-03-31 14:58:58 0  1  415

How does PHP save setting information locally?

For example, there are many forms in a PHP page, which require users to fill in some information parameters. Generally, these information parameters are saved in the database, right? The next time the user opens it, it will be read from the database and filled in automatically. What I'm thinking abo...

流年 2019-08-20 11:38:56 0  2  1097

PHP imports excel and displays the progress bar in the front desk

When php imports excel, the front desk displays a progress bar. Please give me some advice (not the progress of uploading excel files, but the progress bar of php reading excel->processing data->writing to mysql).

怪我咯 2017-05-24 11:34:21 0  3  1343

PHP implements replacement of placeholders in CSV files with actual values

I have a template CSV file which contains placeholders like {$NAME} now I want to replace all these placeholders with actual values. I'm using Laravel, but that doesn't matter. The current approach is as follows: $templateCSV=Storage::get('quote.intake.form.template.csv');//Read file content $vars=[...

P粉520204081 2023-09-16 11:51:32 0  1  1021

Upload a CSV file containing the URLs from the HTML page and use Flask to read the URLs you want to crawl

I currently need to make a web-based system that can upload a CSV file containing a list of URLs. After uploading, the system will read the URL line by line and will be used for the next step of crawling. Here, crawling requires logging into the website before crawling. I already have the source cod...

P粉799885311 2023-09-07 11:22:35 0  1  585

Create a csv file containing a large number of txt files

I'm trying to read a large txt file and save the first line as the header and the rest of the text as the content, then export to a CSV file. I'm creating an id for a CSV that is incremented by iteration, but when I get an error that I can't see in the iteration, because when it saves the contents o...

P粉287254588 2024-02-26 17:29:54 0  2  465

python writes the xth column data to the xth file

The Python crawler needs to crawl a total of 65 pages of data, and the number of columns in each page of data is uncertain. Now I can capture the data of each column, but because the number of columns is uncertain, the file name written cannot be determined. The problem is how to write the x-th colu...

漂亮男人 2017-06-12 09:23:40 0  1  783

Run python script in PHP (add to Pandas df and save file)

When the user selects an xlsx file and submits it via POST, I want to take the file, put it into pandasdf, do some data cleaning/formatting, and then send it back to the browser as a downloadable csv. I've got the python/pandas script working fine. I've been able to successfully pass a simple $PHP v...

P粉536532781 2024-03-27 21:05:37 0  1  493

Can nginx add custom headers to html?

I want nginx to read a configuration string when receiving a request, if it is a specific file, add it to the header of the html file, and return it together as a custom header. Is it possible? Or is there any other way to send the strings in the configuration file and the html file together...

漂亮男人 2017-05-16 17:20:42 0  1  477

Python pyinstaller fails to run on other computers after packaging

OS: win7 64-bit Python: 3.5.3 32-bit pyinstaller: 3.2.1 Package a program written in pyqt5 using the -Fw and -w instructions respectively. The current computer and another computer with python installed run normally. But when I sent it to others, both files showed that python35.dll failed to load, o...

某草草 2017-05-24 11:35:04 0  2  1166

Next.js 13 - Jotai's useHydrateAtoms hook causes UI mismatch

Working on Next.js13 projects using the new application directory and jotai as the global state manager. Now I try to use useHydrateAtoms hook to pass the initial state to my atoms as shown in the official documentation, but this results in a hydration error. Here's a simplified version of the code ...

P粉548512637 2023-08-29 15:28:26 0  1  683

Is there a way to convert an html file to an in-memory PDF file in Java?

I received an HTML file and want to convert it to an in-memory PDF file. During conversion I don't want to use any external location for this. All I want is to keep it in memory. So far I've tried a few Java libraries for conversion, but they always create a temporary file somewhere and then read/wr...

P粉819533564 2024-02-26 14:02:31 0  1  447

Methods of parsing MYD, MYI, and FRM files

I've read several posts on this forum and elsewhere but still can't read some MYD/MYI/FRM files that contain data that I want to import into SQLServer. I stopped the MySQL service at the client location and copied all the files (the same way we did on SQLServer). I installed the latest MySQL ODBC Co...

P粉604848588 2023-08-25 16:14:30 0  1  719