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I have installed mattermost, but cannot use it with the terminal. I also got "mattermost: command not found". The files ... /bin it is also not working. Has anyone an idea?...

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

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455 views

1 answer

linux - Samba reporting not enough free space but getting zero bytes folder after access with MAC system

I have configured the Samba server on CentOS 7 and assigned 1GB quota to a shared directory. When I am ... avoid this unwanted zero byte file in the destination directory?...

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

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461 views

1 answer

像这样composer安装算是成功了没有？

第一次使用composer安装结果如下，不知道算是成功了没有？其中的几句提示，百度查过了 The Process class relies on proc_open, which is not available on your ... on case insensitive filesystems) 这一句也百度搜索了，但没看明白，请问是什么意思？...

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

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161 views

1 answer

php面试题

$a = [ '张三' => [ '李四' => [ '王五' => null, '二六' => null ], '王峰' => [ '王芳' => null ] ], '王麻子' => [ '小二' => null, '小明' => [ ' ... 张三:李四王峰?王五?二六??王芳李四:?王五?二六王峰:王芳王麻子:小二?小明?小灰小明:小灰...

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

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188 views

1 answer

react onChange如何优化

class Comp extends Component { ... inputChangeHandler() { //... } render() { return <input onChange={this.inputChangeHandler.bind(this)}/ ... 下降不适用unsafe方法的情况下，如何给处理onChange能保证性能？...

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

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336 views

1 answer

svg.js 拆分多个图形

现在有一个svg，数据是这样的 path d="M0,0 1,1 ...z M1,1 2,2 ...z"这面有多个开始和结束，我想再这个图形的边上任意点击4个点，做分割图形，这样就会生成3个图形，请问怎么实现，怎么做，请高人指点，在线等。。。...

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

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264 views

1 answer

javascript - ng-select multiple checkbox selection

When there are multiple checkbox options inside dropdown I don't want them to apply on each selection. I would like to do like ... : 7.3.7, Ng-select Version:2.20 Can anyone help?...

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

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334 views

1 answer

请教SQL优先查询语句（MSSQL）

表如上图所示，学生和项目二行可以为空，也可有值；二个字段中各个参数用英文逗号隔开的. 优先查询二个字段都有包含数据的，再查有一个字段包含，最后再查两个字段都为空如果为空二个字段不存在，?就返回无字段内为空表示通配例：学生小 ... 足球，则返回ID为4 学生小谢，项目跑包，则返回ID为3 当ID为4字段不存在，学生小赵，项目田径，那么返回空，无记录 ...

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

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852 views

1 answer

vue+element 编辑表格下拉框内容显示问题

页面点击修改按钮之后表格变成表单但是下拉框里的数据显示不出来，输入框的没事什么都不显示只有点击对应行才会显示...

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

0 votes

878 views

1 answer

kubectl - Kubernetes question during CKA exam, how would you build this?

I was doing the CKA and stumbled upon a question I couldn't figure out. I don't remember all the details, but it ... orders by ascending. So you have to hardcode the last node/pod....

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

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101 views

1 answer

救救我的centos7

判断可能是gnome崩溃，一启动就崩溃的那种，如下图无法进入命令行模式，尝试按CTRL+ALT+1~7，就是图上信息给你刷一遍，无果无法进入命令行，更无法无法systemctl set-default?multi-user.target 目前急救模式 ... ======================08.11最新图=================...

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

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526 views

1 answer

Vue中深度watch某个对象时，怎么忽略某个指定的属性的变动侦测？

data() { return { obj: { name: '', age: 20, // 这里还有十几个属性 } } }, watch: { obj: { deep: true, handler() { // 如何忽略name的变化，只监听其他属性的变化 } } }...

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

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342 views

1 answer

resolve - Java Eclipse IDE Type Error Resolving Error

I got an error from first row of the code says GeometricObject Cannot be resolved to a type error how can ? fix it ? What ... ); list.forEach(tri -> System.out.println(tri)); } }...

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

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177 views

1 answer

django - Why in some case forms.hiddenInput() with initial value return None and some time the initial value?

I have 2 forms (form 1 RandomizationForm = modelForm and form 2 RallocationForm= form) with the same hidden field ... user_site_type == 'Site': data = self.user_site return data...

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

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394 views

1 answer

git 有办法将一个项目导入到新项目的指定目录同时保留所有历史么？

如题之前项目 a 没有使用 monorepo，现在想将之放在 monorepo 项目 b 的一个目录中，但同时不希望丢失任何历史，有什么可以指点的 git 魔法技巧么？...

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

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357 views

1 answer

Is it possible to count the records stored in hyperledger fabric blockchain,i dont want to fetch data from statedb

i want to fetch data from blockchain ledger instead of statedb like couch and leveldb.i want to write chaincode method that count the total record from blockchain ledger....

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

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457 views

1 answer

doxygen生成的本地html文档，如何进行模糊搜索？

doxygen 生成的本地html文档，是否支持模糊搜索？如果支持，具体语法是什么？比如输入startm能搜索到StartMeasure：但是输入measure就搜不到StartMeasure：是否有类似*measure之类的语法，能搜索到StartMeasure？...

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

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560 views

1 answer

routes - Pastry, how is data stored at each node?

I'm currently reading about the Pastry overlay network and I was wondering how the data was stored at each node? But I ... to the data value in each node beside the routing table?...

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

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471 views

1 answer

android - White screen when launch TWA with splash

I am showing a splash screen(TWA splash) when launching TWA, but I see a white screen for 4-5 seconds after the splash ... ? Note: I have few redirects in my web URLs for launch....

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

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402 views

1 answer

接口地址命名如何规范

接口地址的命名规范如何比较好呢？ {{host}}/admin_user/user_lst {{host}}/adminUser/userLst 哪种比较好呢？还有传参和返回参数是用驼峰好还是下划线好呢根据psr规范变 ... = '', ]; 这种是下划线 return [ admin_user=>'xxx', admin_lst = '', ];...

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

0 votes

328 views

1 answer

python - TensorFlow - What's the difference between NodeDef and OpDef?

I would like to know the difference bewteen NodeDef and OpDef in TensorFlow. tf.Operation represents a graph node ... =None, input_types=None, original_op=None, op_def=None )...

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

0 votes

906 views

1 answer

How to get list item which has checkbox in active state in KivyMD?

class ExpenseList(OneLineAvatarIconListItem): pass class RightCheckbox(IRightBodyTouch, MDCheckbox): pass def repeat_expense(self,checkbox, ... how to do it. Thanks in advance....

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

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333 views

1 answer

请教一下解决思路：2个雷同的页面

我要实现2个页面。一个主话题。一个次话题。区别仅仅是中间多了个【子话题】这个模块而已。请问这个页面要怎么布局呢？是写成一个页面？还是拆分成多个页面呢？还有下面4个模块【热门】【问题】【视频】【资讯】是写成组件吗？思路是怎么样的呢？如图：...

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

0 votes

278 views

1 answer

html 如何在网页上引用一个视频

我现在知道标签video 和iframe可以做到，那么用哪个好呢,区别是什么...

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

0 votes

636 views

1 answer

NG-ZORRO 9.2.2 最新版本 IE11 兼容性

最新版本NG-ZORRO(9.2.2.2)下的控件, 不再支持IE11了吗? 项目引用控件后, IE11下, 都无法使用. IE Edge是这个正常的. 比如, 日期控件, 加载后就是打开状态. 用IE浏览器, 直接访问网站就能看到效果 https://ng.ant.design/compone... 可官方提供说明是支持IE的.......

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

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432 views

1 answer

如何在列表正确使用ChangeNotifierProvider.value保存列表状态，点击列表详情返回的时候状态还在？

场景：订单列表不同状态的切换，由于要共用状态，如果用ChangeNotifierProvider会销毁掉，所以使用的ChangeNotifierProvider.value，因为不会销毁后果：由于列表可以点击查看详情，当返回 ... 所以想知道如何使用ChangeNotifierProvider.value返回的时候还是能显示之前的列表关键代码：...

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

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125 views

1 answer

iOS webView加载h5非常无语的的报错

39yang NSString *urlStr = www.369yang.com; NSURL *url = [NSURL URLWithString:urlStr]; [ ... willBeRemoved]: unrecognized selector sent to instance 0x61800001a5e0...

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

0 votes

332 views

1 answer

vue.js - How to build container serving Vue SPA using Cloud Native Buildpacks

Currently I'm trying to build container serving VueJS application via Cloud Native Buildpacks. I already have working Docker file that ... CMD ["nginx", "-g", "daemon off;"]...

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

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