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javascript - How to make the input box automatically gain focus in js?

element.focus() is useless, there is no focus effect with cursor flashing, so what should I do? {code...}

我想大聲告訴你 2017-06-12 09:31:40 0  2  870

objective-c - When iOS selects a picture and customizes cropping, why can't it be pushed into it?

{Code...} [picker.navigationController pushViewController:imageCropperViewController animated:YES]; This sentence has no effect. When selecting an image, click the unresponsive console prompt [Generic] Creating an image format with an unknown ty...

滿天的星座 2017-05-02 09:35:20 0  0  781

javascript - How to draw multiple balls on canvas so that the background image of each ball is different? Is it possible?

Question: When drawing multiple balls on canvas, how can I make the background image of each ball different? Is it possible? What I want to do now is just make each ball a different color, and I want to fill it with pictures. Part of the code: {code...} Current effect:

大家講道理 2017-06-14 10:54:28 0  4  1110

In PHP, an unexpected variable $sql caused an exception error.

I thought I had the complete code written and no errors, but why does it keep showing errors like this? I tried starting with checking for semicolons and other stuff, and also tried renaming the $sql variable, and the button on line 28 had no effect either. Here is a screenshot of the code. I'm sorr...

P粉781235689 2023-08-02 14:50:45 0  1  565

How can I make text turn into a new element (like a divider) when clicked?

I'm trying to find a way to make certain text on the page turn into separators/new elements when clicked. I don't know how to explain it, but like, imagine an image with a title below it - click the title, and then the image above becomes like a text box/different images/scrollable separator. I'm tr...

P粉872101673 2024-04-04 11:21:03 0  1  4014

angular.js - How to make Angular ng-hide take effect immediately?

How does Angular ng-hide take effect immediately? I need to set $scope.isHide and ng-hide to take effect before executing the subsequent code in the controller, such as drawing a chart based on the height and width of the container. Drawing a chart without hiding it on the DOM will cause the height ...

巴扎黑 2017-05-15 17:12:30 0  6  840

Change image via onclick() function

I want to change one picture to another when clicking on the object. The code is stacked in the following order: What I want is that when I click, the image is replaced with a colored version of the image, i.e. another image. Now, I know I can do it using JQuery/JS. But I don't want to add a lot of ...

P粉242535777 2023-08-18 08:53:28 0  1  622

Laravel Modal does not return data

I don't know why I'm not getting the value from the modal in my Laravel controller. Please check it for me. However, I use the same code for other modes and controllers. It's working and returning the value from the property without any issues. I'm using Laravel8 and php8.1; below is my code. app\Ht...

P粉174151913 2024-03-29 10:31:31 0  1  592

Can I use the automatic generation module of thinkphp5 in Windows 7 system? How to configure and use

明民 2017-10-10 17:04:14 0  2  1392

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

劉袁銘 2017-10-10 19:25:59 0  4  2945

mcrypt_get_key_size()

To use mcrypt_get_key_size() in php study, how to enable mcrypt_

劉袁銘 2017-10-10 19:47:34 0  1  1176

Detecting login status and preventing repeated login status in TP5 - My page is wrong

冥冥之中天注定 2017-10-10 22:49:15 0  0  1193

Issues with resending WeChat public account template messages?

For example: I am using PHP to develop WeChat public accounts. If I send a template message, the WeChat client may receive 1-3 messages. I checked Baidu and said that the WeChat server will resend in 5 seconds. How to solve this problem?

飛揚 2017-10-11 08:00:11 0  0  1141

How to install php7

我無限黑暗里的小太陽▼ 2017-10-11 09:11:44 0  1  1146

Solve (no language limit)

A census taker asked a woman, "How many children do you have and how old are they?" The woman replied, "I have three children. Their ages multiplied is 36. The sum of their ages is equal to the house number of the segregated room." Census The enumerator immediately went to the ne...

路過 2017-10-11 10:20:08 0  1  1365

There is no WWW file in the phpStudy directory. Enter localhost in the website and the hello world solution will come out directly! I created the WWW folder in the root directory and then created an abc.php. localhost/abc.php still didn't come out and an error was reported. not found

<?phpphpinfo();?>

M..moli瞎 2017-10-11 11:45:27 0  7  5212

Find an authoritative and practical development tutorial or article on WeChat scan code authorization to log in to the website

Find an authoritative and practical development tutorial or article on WeChat scan code authorization to log in to the website

極世 2017-10-11 12:33:15 0  1  1684

How to uninstall phpstudy.

whlyx 2017-10-11 15:53:03 0  2  1765

An error warning appears when phpstudy enters the database

Hirtdye 2017-10-11 17:12:35 0  2  1623

Problem with bool value output

<?php//In fact, it can be lowercase, but it is difficult to distinguish, so we stipulate that it is usually uppercase define('xiaoxie',true);echo xiaoxie;$hello=flase;echo $hello;?>Why is the output result of the previous code 1? The subsequent output result is false, shouldn't it be 0?

益?zhèn)?2017-10-11 20:37:54 0  1  1720