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  811

The right way to achieve component decoupling

I'm dealing with communication between two components (using Vue2), one of which is a button, which can have states like initial, loading and completion (success or failure), for each state of the button I may display different text, Different icons (loading: spin icon, successful completion: tick, ...

P粉476475551 2023-09-14 10:57:11 0  1  574

javascript - How to determine whether the value of src is empty?

{Code...} The src of img is read from the background, and the img is hidden when no image is uploaded in the background. But in the case of src=" ", the content of the value is the path of the current web page. How to change this judgment?

ringa_lee 2017-07-05 10:51:08 0  2  995

How to change dropdown icon in Bootstrap 5?

I need to change the default icon shown in Bootstrap5 dropdown menu to FontAwesome character. I've read the documentation but nothing helps. I've tried rewriting the CSS with no success. How to change dropdown icon in Bootstrap5?

P粉396248578 2024-01-10 17:05:57 0  1  470

javascript - async reading file

{Code...} {Code...} In the above code, result is undefined, that is, the data after reading the file is not obtained. How should I modify it so that the result can get the content of data.json?

为情所困 2017-05-19 10:46:58 0  2  663

Import the GraphQL file in nuxt.js.

So I'm importing my schema generated by postgraphile, but it's not loading correctly. This is the type of output: definitions:Array(44)[{…},{…},{…},…] kind:"Document" loc:Object{start:0,end:26188,source:{…}} . I've tried various code changes to load my query allUsers importSchema.

P粉754473468 2023-07-28 10:59:10 0  1  562

javascript - After Ajax returns the data in json format, the data taken out after parsing is undefined?

As the title says, the background data format is as shown in the figure. Some data are read in the front desk, and some data show undefind. Even if I use the eval function to convert it, it doesn't work. Solve...

女神的闺蜜爱上我 2017-06-27 09:19:48 0  3  897

javascript - I plan to write a C++ node image processing module. Is there any recommended C++ image processing library?

As the title says, I want to write a C++ node image processing module. The main function is Poisson fusion of images. The main technical points involved are: 1. Read image pixels (jpg, png, etc.) 2. Perform matrix operations on pixels 3. Convert For the pixel writing image matrix operation part, eig...

滿天的星座 2017-05-16 13:21:47 0  1  774

How to do proper pagination in Vue.js 2

I have a problem creating pagination using vue. My task is to make sure that when you click on the button's number, a new task in the jsonplaceholder is loaded. I have successfully loaded the first and second page. I think this is directly related to my this.fetchTodos() operation. I'm just learning...

P粉690200856 2024-03-27 23:17:56 0  1  442

python - How to use TFRecord in tensorflow?

How to replace the mnist data set in the following code with TFRecord? Assume that the TFRecord data set has been prepared, both train.tfrecords and test.tfrecords are in the current py directory, and there is already a TFRecord reading code. {Code...} {Code...} I don’t know how to use it, please ch...

大家讲道理 2017-05-18 10:47:09 0  1  942

Migrating to PHP 8.1 - How to fix deprecated passing null to parameter error - Rename build in function

PHP8.1 has deprecated passing null as a parameter to many core functions. My main problem is with functions like htmlspecialchars(php) and trim(php) where null is no longer silently converted to an empty string. To solve this problem without using a lot of code, I tried renaming the original built-i...

P粉420868294 2024-01-10 16:21:21 0  2  527

python - Why after using requests.get the URL, the response content in .text is in the form of a dictionary, but type it is str

I use anaconda's jupyter to run the code. When I use the requests module to read the web page, I see that the output content is within curly brackets. I judge that it is a dictionary and use the dict function to read the value, but it fails. type() found that its attribute was str. After I used json...

学习ing 2017-06-12 09:21:24 0  3  1002

javascript - How to determine the method name to call for a self-executing function?

There is a dom1 in the page that has used on to delegate the click event, but a batch of dom1s will be dynamically loaded later. I am now turning this click event into a method. . The method is executed again after loading. . Is there a better way

高洛峰 2017-05-19 10:21:38 0  1  311

python - Convert part of string type in multidimensional list to integer type

shell.txta1 b1 0.2 0a1 c1 0.8 0b1 c1 0.7 0a2 b2 1 0a2 d2 0.4 0d2 b2 0.6 0a1 a2 1 1a2 a1 0.1 1b1 b2 0.5 1b2 b1 0 1 {code...} Since the txt data is loaded in string type, Now we need to convert the last two columns into integers, please give me some clean...

PHPz 2017-05-18 11:02:13 0  1  1020

node.js - How to use node's fs module in a browser environment?

I have a need to use pure js to read images. The only parameter is the image path. The following is the code in the node environment {code...} Use browserify to convert it into {code...} and run the prompt in the browser environment, as follows Error, it seems that browserify cannot convert the fs m...

高洛峰 2017-05-16 13:44:07 0  2  1315

In MySQLi, convert query errors into exceptions

I'm trying to convert MySQLi query errors into exceptions, but it's not possible - mysqli_sql_exception is only thrown when connecting to the database fails. I used mysqli_report(MYSQLI_REPORT_STRICT) with a procedural MySQLi function embedded in a custom wrapper class. Previous code: publicfunction...

P粉060528326 2023-08-24 11:53:00 0  2  548

The web component of weex cannot be loaded on the Android side when src is a variable.

When I use the weex web, I set src as a variable. On the Android side, the webView cannot be loaded successfully. The we code is as follows: {Code...} The web implementation on the Android side is mainly as follows: {Code...} Problem During the debugging process, it was found that the setProperty me...

某草草 2017-06-05 11:11:08 0  2  835

When selecting different options, the input field type can support 20 digit rupee with rupee symbol or replaced with percentage

If the option is selected to select fixed value then the input field type is Rupee value supports only 20 digits with Rupee symbol. If percentage is selected then the rupee symbol is replaced with percentage symbol and the value type is only 2 digits to enter the value without clicking the button My...

P粉022140576 2023-08-13 18:35:32 0  1  452

When the selection event changes, the CSS animation triggers the corresponding effect.

I'm trying to make a React app, right now I have a select input box with some Pokémon in it, what I need to do is whenever the selection changes (i.e. the Pokémon changes) the Pokémon sprite does a little shaking animation. Currently I just have a sprite that changes and an audio that plays when the...

P粉200138510 2024-04-01 09:16:28 0  1  531

javascript - How is the DOM tree loaded?

When talking about errors in IE, JavaScript Advanced Programming mentioned the concept of operation shorted: An error will occur when modifying a page that has not yet been loaded. The sample code is: {code...} When <script> is included in an element, and the JS code needs to use the D...

天蓬老师 2017-05-19 10:42:33 0  2  508