Welcome To Ask or Share your Answers For Others

Recent questions

+1 vote

3.2k views

0 answers

Welcome to Our Knowledge Sharing Community-Open, Learning,Share

Welcome to developer's Knowledge Sharing Community-Open, Learning,Share 欢迎来到程序员专属的知识分享社区! 一个分享知识，传递知识，学习知识的社区！...

asked Feb 5, 2021 in Others[杂七杂八] by ostack (1.4k points)

0 votes

416 views

1 answer

Laravel npm run dev not running the command

I installed the jetstream package at my Laravel project. I then ran the npm install & & npm run dev commands, but the npm ... in the image. What should I do? Thank you for help....

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

0 votes

394 views

1 answer

java - Traversing an XML and Adding Elements

We are currently trying to remove XMLBeans from our project and trying to get everything to JAXB. While ... (); cur.insertElementWithText(elementName, nameSpace, elementValue); }...

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

0 votes

384 views

1 answer

后端如何管理文件？

要做一个用户上传文件的库需求是一个“文件对象”对应一个文件（file），文件名，上传时间，上传用户以及内部的文件路径和名字数量可能会很大该如何管理这些文件？...

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

0 votes

573 views

1 answer

yii2 fileCache 存储array时需要进行json_encode吗？

在php将array利用fileCache缓存组件存入文件，需要时再取出array处理，是最常见的操作。现在工作中处理时经常使用json\_encode,json\_decode对出入缓存增加额外的操作，想知道这样做是必要的吗？有什么好处？或者说fileCache没有对要缓存的数据做序列化工作吗？...

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

0 votes

611 views

1 answer

scala - getting akka dead letters when using pipeTo between two actors

i have a use case in which i have a actor hierarchy parent -> childABC -> workerchild Now the worker child works and send its ... like this? if so what should i do to make it work...

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

0 votes

646 views

1 answer

jq 上传多张图片到七牛云怎么做呢？我现在只能一张一张传

var token = null; var afile = $('.upInput')[0].files[0]; var key = new Date().getTime(); $.ajax({ type: 'post', url: 'xxxxx', dataType: ' ... 我现在可以一张一张的传，多张图片上传只展示一张怎么才能实现多张一起上传呢...

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

0 votes

816 views

1 answer

python - Neomodel: specify neo4j database name in connection string

In the neomodel documentation it's possible to specify the neo4j connection string using the following statement: from neomodel ... ) Is there any way to do this in neomodel?...

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

0 votes

1.2k views

1 answer

Ansible: Combine 2 json object with with_item

I have the following playbook: --- - hosts: localhost gather_facts: False vars: arraylist: [] host_list: ["abc.cloud.com" ... [{"pb_os_family": "Linux"},{"pb_os_family": "Linux"}]...

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

0 votes

754 views

1 answer

r - Excel reverses order of column values (Arabic letters) but not column names upon import

Using R, I created a spreadsheet containing Arabic words (see here for more information regarding the spreadsheet creation). ... column values? Thank you in advance for your help!...

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

0 votes

866 views

1 answer

如何用el-tree和el-table做出这种嵌套效果

...

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

0 votes

995 views

1 answer

把包含某些话题的内容重列到一个网页

需要做一种类似移动端今日头条的网页。通过数据库给前台添加新闻列表。每个新闻打上一个标签，通过点击导航栏可以跳转到次标签对应的所有欣慰，需要学习前端哪些技术，目前大概会html以及css。需要哪些简单的技术能达到目的，...

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

0 votes

1.3k views

1 answer

mongodb wiredtigerlas.wt 文件巨大

发现服务器磁盘空间被占满了，找到mondodb data目录下wiredtigerlas.wt这个文件占用了100G+,这个文件有什么用，可以直接删除吗？ MongoDB的WiredTigerLAS.wt大小异常分析看到这边文章，总结中写道： ... 隔离级别后得到解决将LAS清理换为使用read commited隔离级别，这个是在什么地方配置呢？...

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

0 votes

1.2k views

1 answer

如何实现在h5页面访问链接唤醒微信，并使用微信内置浏览器打开此链接

或者是其他形式，如小程序或公众号的方式，只要能打开访问的链接即可...

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

0 votes

1.3k views

1 answer

vue 用了keepAlive 我各个路由滚动条互相影响

举例说明：两个页面（首页、我的订单）两个页面通过底部tabbar切换我在首页往下滑动800（scrollTop），切换到订单页、订单页滚动条也在800，订单页回到顶部，首页也会回到顶部这是不是共用了滚动条啊？而且keepAlive为false的页面，也会影响滚动条，就像是这整个路由模块都是一个滚动条一样求解..好迷惑。...

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

0 votes

1.5k views

1 answer

element-ui el-tree check事件不触发

需求是在给树形组件的复选框去除勾选的时候，要调用后端的接口，判断该节点是否被使用，如果使用就不能去勾选，刚开始用的是check-change方法，但是，会调用后端两次，，看到网上说，可以用check方法避免此问题，但是，我用check后就是不触发事件，，没有头绪，求大神指教。万分感谢！！！！...

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

0 votes

1.3k views

1 answer

这句JS代码是什么意思？

const pluckDeep = key => obj => key.split('.').reduce((accum, key) => accum[key], obj)...

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

0 votes

1.4k views

1 answer

for loop - c++ std::vector: sum in a vector position its previous value

I need to accomplish a simple task, which seems to be forbidden in c++ language. I have a simple std::vector<double ... How can I manage to do it without compiling errors? Thanks....

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

0 votes

1.2k views

1 answer

firebase authentication - Sign in with google is not working in android release version

I am using google sign in my app using firebase. Everything works perfectly with debug apk. but after submitting the close testing ... in". is there any else i should do or check?...

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

0 votes

1.4k views

1 answer

ReactNative打包问题

Task :app:lintVitalRelease FAILED FAILURE: Build failed with an exception. What went wrong: Execution ... E: eactnativeScreenandroidappuild eportslint-results-release-fatal.html...

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

0 votes

1.4k views

1 answer

请问nginx有压缩js css这种的功能吗？不是gzip那种压缩

我想将我的web项目里的js在输出到客户端前实现网上那种混淆加密然后压缩的功能，不是gzip这种的，总之就是希望网页浏览者看我的js代码根本看不出名堂的那种，求教高手如何实现这种功能呢？...

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

0 votes

1.3k views

1 answer

Is there any possible issue of using Solr 8.7 in cloud mode on Zookeeper 3.4.5

I am implementing Solr 8.7 in cloud mode with existing zookeeper 3.4.5. Is there any possible issue? Couldn't find any compatibility matrix. Thanks in advance....

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

0 votes

1.2k views

1 answer

vuejs里面怎样滚动页面到指定位置呢？

如题：我点击上面的按钮。就会选中那个词语。但是需要自动滚动到那个词所在的位置，而不是自己手动去滑动才能看见那个词语。如图：...

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

0 votes

1.5k views

1 answer

angular - get notified when igx-grid has done loading

I am trying to move a dynamic column to different position using Infragistics Angular grid, igx-grid. I tried with const ... . What event can I subscribe to get this done? Thanks...

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

0 votes

1.4k views

1 answer

bpmn.js 回显的时候怎么不让编辑只可以查看点击

bpmn.js 回显的时候怎么不让编辑只可以查看点击...

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

0 votes

1.4k views

1 answer

webpack单独打包压缩一个文件夹？

需求：项目中有一个文件夹，里面是一些依赖关系复杂的js，文件夹外也有引用这些js，如何使用webpack打包压缩文件夹中所有js，并保证文件夹之外的引用不报错？谢谢！ 1.gulp-concat不会自动解析依赖，并且直接合并会报错 2.webpack entry好像不能读取文件夹路径，只能指定js？...

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

0 votes

1.3k views

1 answer

javascript - Storing and updating objects as an array inside another collection in Firebase

I have these objects in Firebase, call it collection A object1: { name:pencil, status:x, owner:bob} object2: { name:eraser ... it work. Is there a better way to do this? Thanks...

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

0 votes

1.3k views

1 answer

阿里云ECS服务器能同时安装多个https证书吗？

我现在有一台阿里云ECS，上面有两个php web应用，对应的是两个不同的访问域名，一个域名 a.com 已经部署了 https 证书了，请问另一个域名 b.com 还能安装 https 证书吗？我还没有在线上服务器上弄，主要是现在在本地申请个 https 证书一直没成功，想先问问我的这种情况能否行？...

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

0 votes

950 views

1 answer

请问我这个浮动怎么去除不了，谢谢

https://codepen.io/wildor/pen......

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

Page:

1
2
3
4
5
6
...
715
next »

Recent questions

...