Recent questions in Technique[技术]

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codeblocks - Use pointer to sum numbers of element and stop after 0

Write a program using pointers that counts the number of elements that are nonzero and stops when a zero is found from the given array. Display the ... 9, 8, 5, 1, 3, 0, 2, 1, 6}...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Android Pie AOSP default Camera orientation issue: Camera sensor roated to 90 degrees right and Display is in reverse landscape mode

I am using an (Android Pie) AOSP Camera2 application. (packages/apps/Camera2) We are using Camera module OV5640. ... , Matrix.ScaleToFit.FILL); break; Thank and Regards, Devendra...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Laravel Event Broadcasting and Notification

I haven a Laravel app with a chat functionality which is working with an event called MessageSent. This event is ... for broadcast on FCM and APN channels? Thanks in advance....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - React Enzyme test Child Component if is rendered

Hi I have problem with Enzyme how to make test on parent where child component will show only if status = 'visible'. Here ... table-info') expect(component.length).toBe(1) }) } })...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - (node:4) UnhandledPromiseRejectionWarning: Error: undefined is not a valid uri or options object

bot.onText(//igdl (.+)/i, async(msg, match) => { // 'msg' is the received Message from Telegram // 'match' is ... that the link is not valid.. does someone know how to fix this?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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curl_easy_init 每次http访问都需要新创建吗？

curl_easy_init在每次HTTP访问时都需要新创建吗？使用同一个curl可以吗？在使用同一个curl*时出现crash，逻辑如下： init： _curl = ... in curl_multi_perform () 5 0x00000000004791c1 in curl_easy_perform () 请问有什么问题？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mysql查看binlog日志，看不到insert语句

mysql版本是8.0，查看binlog日志，只能看到write——rows，看不到插入的内容是什么，这是为什么...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - Warning: mysqli_stmt::bind_param(): Number of variables doesn't match number of parameters in prepared statement in C:User.. on 148

Hello i'm inserting a new column collegename, branch, and gender but suddenly it's giving me this error... Warning: mysqli_stmt:: ... ->execute(); $stmt->close(); } } } } ?>...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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关于 import export 循环依赖的问题

关于 ES6 Module 的循环依赖机制有个小问题，关于 export default 的 //a.mjs import bar from './b.mjs'; function foo(invoker) { console.log(invoker + ' invokes ... 循环依赖的一些问题都写在了循环加载一文中，有兴趣的朋友欢迎交流一下 ...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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404 error for spring boot @restcontroller in weblogic

I have deployed a war file containing the spring rest controller but while accessing it 404 error is appearing. I have ... , as it is very difficult to solve without error logs?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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api - How to pass HTTP status code from service to controller in quarkus?

I am trying to connect to a third-party API from quarkus controller . I have a controller using the method of service ... to look into the response body when http status is 500...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.8k views

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js编程范式的问题。

业务中遇到资源分配，资源计算的要求；先把资源计算出来，然后才能继续分配 // tool.js export function executeResouce(arg) { return resouce } export function assign ... 代码 const resource = assign(arg); 这两种代码组织方式那种更好呢？为什么...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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antd 表单可以只红色高亮不提示错误信息吗?

这种表格的校验希望只红色高亮就可以，不提示错误信息。怎么设置呢？ antd 有相关api可以设置吗？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.1k views

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运行python程序是如何分配系统资源的

今天用cv2，抛了个内存不足的异常，但是实际使用并不多。想知道运行python程序是如何分配系统资源的，比如jvm可以通过-xmx参数控制，python有类似机制吗...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.4k views

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C# Jagged Array, determine if any pair matches

In the code below I am populating a Jagged array full of keys(properties) in an object: foreach (var item in Items.Where( ... , I tried searching as best as I could for an answer....

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.7k views

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ios滑动穿透问题？外边页面，弹窗里边均可滚动？

ios滑动穿透问题？外边页面，弹窗里边均可滚动？在弹窗里边滑动会影响到底层页面这种情况怎么修改？...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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多路径算法问题

如图所示：现在有这样一组路径，物体从1开始出发，目标点是5，先从逆时针看，物体可选路径为 1 => 11 => 2 => 3 => 4 => 5 1 => 11 => 12 => 4 => 5 如果物体到达结点11后，2号结点拥堵不可行 ... 换路径？还是有别的更好的方式，像这种结点形式的，如果不考虑最短路径，用什么数据结构表示比较好呢？请各位指点一下 ...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.0k views

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unity3d - Capsule collider effect for a custom kinematic player controller script

I am making a 2d platformer and I built my own script for player controller using raycasts. the player moves by using ... thankful for any ideas on how to implement such a script....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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glfw - How to detect a key press only once without glfwSetKeyCallback()

I have a bit of a problem. Im trying to make a small game and to sum it up my GLFWwindow* window is a Game.h class ... or at least not a member of class would give me a headache....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Vue使用mavon-editor后遮罩层问题

项目中使用了mavon-editor编辑器，想要将工具栏和标题栏固定住，同时侧边栏会收缩，于是采用了sticky布局：然后发现标题栏会被挡住：检查发现mavon的z-index为1500，工具栏为1，调整标题栏z-index为1501后可以了，但是又有新的问题：遮罩层挡不住标题栏了。调整z-index也不管用，各位大佬有什么好的解决方案吗...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.1k views

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文件夹多个node_modules查找问题

执行index_D.js时,并没有取最近的模块文件夹,而是取了最上层的模块文件夹,在最上层的模块文件夹安装koa后,不会报这个错误. 请问除了在最上层的模块文件夹安装相应模块,还有什么其他方法? --找到问题了-- 这个依赖是我复制过来的,结果复制了它的目录,没有复制里面文件,重新删除安装就可以了,浪费大家时间了。。。(?。?)...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.2k views

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linux - How to sort CSV data with Powershell?

Once a CSV file is loaded, as below, how is the data then sorted? PS /home/nicholas/powershell/csv> PS /home/ ... symbol=A PS /home/nicholas/powershell/csv> which is as expected....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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求帮助，txt里一组数值，带有符号。怎么用命令去重，并且输出不重复的数字。感谢！

上面一行数据，怎样让其中重复数字去掉，输出不重复的类似这样“[175]/[176]/[177]/[178]”...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.9k views

1 answer

sql - How to check how many times a record is repeated in different tables

I have two tables here: Table 1: process_id customer_id 16 1 21 1 22 1 Table 2: process_id customer_id 16 1 16 1 22 ... to loop through each row in table 1 and get this result....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.6k views

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请问layui的slider ，滑块怎么设置小数点

...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.7k views

1 answer

css - Tiktok browser doesn't load html videos

I currently have this html code: <div class="intro-video-wrapper"> <video muted playsinline autoplay src="video/video- ... in-app web browsers so any help is much appreciated!...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.2k views

1 answer

程序员遇到不专业的产品怎么办

产品一开始不想清楚，之后经常改需求...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.7k views

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js 调用摄像头可以逆时针旋转90度吗

var constraints = { audio: false, video: { deviceId:arr[i].deviceId,//调用指定的摄像头 width: 3648, height: 2736, transform: "scaleX(-1)" } }; ... 90度来拍摄？不知道可不可以旋转，还是说只能拍了照之后在canvas里去旋转图片...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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