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485 views

1 answer

mysql - Sql Query to order data sorted by ranking but multiplied by how long ago it was published

I have a feed of articles which are currently ranked by "votes" in the SQL query. I would like to factor in the amount ... but published 60 minutes ago, equaling 120 (10 * 720/60)...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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415 views

1 answer

有关 Gulp 的问题，browserSync、watch同时协助运行

Gulp 各个单独的任务都可以正常运行，但是browserSync watch协作运行跑不起来项目目录结构以下是我的 gulpfile.js(使用 Gulp4)，并不能运行，单独的各个任务都是可以运行的，唯独 ... 默认任务 gulp.task('dev', gulp.series( "build", // "ws", "watch" ));...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

491 views

1 answer

vue如何触发某个元素的单击事件?

<a class="link">1111</a> <a class="link">2222</a> <a class="link">333</a> <button>点击我触发a的单击事件</button> 在jquery中单击某个按钮后可以直接用$('a').trigger("click"); 来触发a元素的单击事件那么在vue中该如何实现?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

1 answer

javascript: Replace values in a string based on an array, efficient solution

I have a sample code but I am looking for the most efficient solution. Sure I can loop twice through the array and string but ... return (typeof key !== 'undefined') ? key : $m })...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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372 views

1 answer

vue.js如何写checkbox.radio?

我想用vue写checkbox.radio，这个怎么做呢 vue版本2.X java springmvc 正常情况下会生成如下格式 <select> <option value>值1</option> <option value>值2</option> </ ... 询可以吗？以前的JSP都是写个tag,直接把值转成html,现在vue我不知道怎么办了...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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465 views

1 answer

slot，scroller,input一起使用时,android端键盘弹出来马上就消失了.

weex版本（0.10.0），在一个parent.vue文件中有slot标签，在另一个child.vue中使用parent作为components，当child.vue中有scroller嵌套input时，点击input时,在android端键盘弹出来 ... : 30px; font-size: 32px; } </style> 希望有大佬指导一下 ...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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467 views

1 answer

百度分享qq好友，为什么分享内容无法设置？

1.百度分享组件中，分享qq好友中的内容怎么修改，为什么分享的内容无法更新...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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340 views

1 answer

java报错Communications link failure 该如何解决？

就是普通的查询mysql数据库的代码：错误栈如下： com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The ... mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:599) ... 15 more...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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227 views

1 answer

sql - Using LAG() to dynamically look at the whole entire window

I have a peice of SQL that I am using to generate this table - patient status lag_start_date thru_dt group 10000 30 ... Notice that the last record is also given the same group....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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675 views

1 answer

tmux 有什么办法能用鼠标直接滚动当前 pane？

默认情况下，需要先 Ctrl + b [ 然后才能滚动，有好用的插件吗？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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417 views

1 answer

Vue实际开发从开发到上线的整体流程是怎样的

哪位朋友可以详细的描述一下，使用vue，从开发到项目部署到服务器上线的整个流程，小白一枚，求解？谢谢...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

190 views

1 answer

javascript - What is a good enough approach for writing real-time text search and highlight functionality which does not break the order of text- and element-nodes

I am using following code to highlight text in div. But if I type something easy as "a", "img" or so, it ... So it can contain any html output, headlines, divs, accordions etc....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

660 views

1 answer

docker - Gitlab-CI failure Error: error initializing: Looks like link is not a valid chart repository or cannot be reached:

I'm running auto deploy to GCP through Gitlab, I'm using this auto-deploy script https://gitlab.com/gitlab-org/ ... ? Anyone with any understanding will be of great help! Thanks....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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480 views

1 answer

python - "'str' object is not callable". Is it something simple I'm missing?

I am receiving, this error please help: Traceback (most recent call last): File ".class practice2.py", line 18, in <module> ... Ugly', 'cat') kitty.meow('jelly') cat.meow('meat')...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

370 views

1 answer

python 3.x - Unable to install pyautogui. =

I tried - py -3.9 -m pip install pyautogui. #output - 'py' is not recognized as an internal or external command, operable program or batch file. But didn't work....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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365 views

1 answer

求一个类似于手风琴的插件，页面如下

点击左边出右边的页面，但是一开始默认显示第一个，其他不显示...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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437 views

1 answer

php调用静态方法后再链式调用，是什么原理？

with方法在model类没有被定义，我猜想是用下图实现的看不懂这段实现，有没有大神讲解一下！...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

为什么 Vue 使用 template:'<app/>' 可以将 components 中的 app 插入至页面

在默认的示例项目中,我看到了它设置 template:'<app/>, components:{ App } 就可以实现html 页面中不需要设置<app></app> 就可以加载 App 请问这是什么原理?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

180 views

1 answer

javascript - Read a local text file constantly

I'm a little lost on how I can read a local text file constantly. Nothing is going to a webserver, ... gets auto updated with text file content without refreshing the page....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

418 views

1 answer

webpack引入css报错

module: { loaders: [ {test: /.css$/, loader: 'style!css'} ] } 上面是配置 require('./index.css'); 这里是引入css文件 ERROR in ./entry ... loader' instead of 'style'. @ ./entry.js 3:0-22 这里是报错求助...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

304 views

1 answer

javascript - how to match uncertain numbers without special words before them with js regular expression

For Example. I want to get the numbers without 'the' or 'abc' or 'he' before them; the89 (no match) thisis90 (match 90) iknow89999 ... use this (?<!(the|abc|he))[0-9]+ , but failed...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

435 views

1 answer

如何使用python提取json中指定字段的数据?

现在有一个json数据，如下： { "favourite":{ "bkmrk":{ "id1490843709594066":{ "guid":" ... .16 3;a0f907f9dc8b40f689b083f3eba7228b.16 4;eb75d929455e468bb712e7bc2025d11a.16 非常感谢 ...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

489 views

1 answer

请问这个停止定时器为什么不工作？

JS新手，做了一个div无缝移动的代码，需要鼠标移入的时候清除定时器，可是鼠标移入后定时器为什么不停止？谢谢 <!DOCTYPE html> <html lang="en"> <head> <meta charset= ... </div> <div class="children">4</div> </div> </div> </body> </html>...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

477 views

1 answer

elasticsearch - Is there any way to aggregate an average without outliers on elastic?

I need a way to create a transform that will aggregate the average of a field but without the outliers (let's say only ... the average of 2-9 Edited: renamed "value" to "someField"...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

335 views

1 answer

运行是报错：usage: manager.py [-?] {test,shell,runserver,dev,deploy}

这是什么错误啊，看不懂，该怎么解决啊？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

445 views

1 answer

file upload - Understanding HLS implementation?

User will upload the videos from browser which need to be stored on server and playback. First understanding ... http file download request and all intelligence lies with client...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

297 views

1 answer

如何实现去除所有集合内可以组成加法运算的子集

给一组数列，若数列内存在一个数等于数列内其他一些数的和，则去除那些数此删除操作可重复操作直到无法继续找到满足条件的数进行删除请写出一个函数，输入为整型数组，经过函数内一系列删除操作后得到一个最短数组，返回最短数组 ... =48)所以去除4，20，24，48，余下{1,3,6,9}后，由于3+6=9，去除{3,6,9}得到{1}，由于数组长度为1，返回1...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

654 views

1 answer

react-native animate 动画如何控制停止呢？

export default class extends Component { constructor(props) { super(props) this.state = { value: new Animated.Value(0) } } componentDidMount() { ... } 上方代码是一个循环旋转的图片，怎么控制它的停止呢，...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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