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flutter - How to convert String "TimeOfDay(00:00)" in TimeOfDay

I have this String : "TimeOfDay(00:00)". How can I convert it to a variable of type TimeOfDay to be able to ... this error: Invalid radix-10 number (at character 1) TimeOfDay(00...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - SQLSTATE[22007]: Invalid datetime format: 1292 Truncated incorrect DOUBLE value

i wanted to upload image using vue template in laravel i just create a simple code but i got this problem ... 22007]: Invalid datetime format: 1292 Truncated incorrect DOUBLE value...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - java.security.InvalidKeyException: Keystore operation failed Incompatible padding mode

I am learning Android Development and tried to work on Fingerprint Authentication So I watch a video on Youtube ... (Activity.java:7802)? at android.app.Activity.perfor...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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webpack安装了sass-loader，但是编译的时候报错

webpack1版本，sass-loader也安装了，是我哪里配置错了吗...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Error while configuring Snappy. failed with return code 10

in order to configure snappy I runned the next comand ~/snap/bin$ ./snappy-conf /usr/bin/python3.8 As a result I got ... what could be wrong? Thank you so much for your time guys...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - how to fix my Caesar Cipher function and how the % loop over within the length?

realText = input('please enter a string: ') step = int(input('please enter step for shifting')) def ... anyone explain more details about that? will be very appreciated....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vs code编辑器又没哟像sublime一样，右侧有代码区块总览的插件？

如下图 sublime右侧有代码缩略图，但现在想问问，vs code里有类似的插件吗？可以用来显示该文件所有代码的缩略样子。另外想问问这个右侧代码缩略图的专业术语叫什么呢？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vue 请求加载数据的时候如何显示加载动画

<div class="spinner" v-show='loadFlag'></div> <button class="btn lesson-more-btn" id='judge-more' v-on:click='judgeLoadMore'>加载更多</button> ... ()感觉都不完美，前者数据都加载完了动画还在，后者则没有效果 ...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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jquery ajax加成成功，如何执行url页面里的一个函数？

A页面： <script> $.ajax({ url : b.html }); </script> b.html页面 <script> functon test(){ alert(1) } </script> 请问在ajax加载成功，如何才能执行B页面的 test()函数？并可以传参...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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antd 的Form.create如何与typescript同时使用？

我看到Form.create返回的并不是一个JSXElement，那我怎么用create包装我的组件呢？ static create: (options?: FormCreateOption | undefined) => ComponentDecorator ... )); exports default Form.create()(a); 怎样实现这种？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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validation - How to format the phone number using TextInput in react - admin

const phoneNumberFormat = (num) => { let newNum = num.replace(/[-]+/g, ''); let x; if (newNum.length <= ... only, but I need to automatically format the phone number 123-456-7890...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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webpack 编译iconfont svg是报错了

ERROR in ./src/component/Nav.js Module build failed: SyntaxError: Namespace tags are not supported. ReactJSX is not XML. 13 | <Link> 14 | < ... ``` 然后我用了font-class引用但是显示的是个小方框怎么解...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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419 views

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python 3.x - HSV colorspace conversion between opencv vs skimage

I was comparing the difference between skImage HSV color space and OpenCV hsv colourspace conversion methods, I found the below ... "rgbtohsv() -skimage"? Thank you in advance :)...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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刚入 Hexo 的坑，有几个问题请教下。

前言一直用Wordpress 感觉太臃肿，决定入 Hexo 的坑昨天用了大概一下午的时间研究了一下hexo的安装部署并成功部署到了 github 和自己的阿里云服务器，两种都很顺利，部署到阿里云用的是Ftpsync方式我是 ... 怎样的换电脑写作的问题，听说可以用两个分支，一个放源码，一个放public生成的文件，具体是怎样的？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How does Apache Ignite deploy in K8S?

On the Ignite website, I see that in Amazon EKS, Microsoft Azure Kubernetes Service Deployment, and Google Kubernetes ... it the same as deploying the Ignite on three platforms?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Airflow schedule not updating

I created a DAG that will run on a weekly basis. Below is what I tried and it's working as expected. from datetime import ... date i.e. 30th, it's running as per the schedule....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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361 views

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为什么设置span的line-height属性无效？

不知道为什么span 中line-height设置大小小于18px的话都是无效的 18之后才看到效果，不知道是怎么回事求大佬解答一下 http://codepen.io/1206189299/......

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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385 views

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linux怎么批量修改文件内容？

linux怎么批量修改文件内容？比如：操作系统是centos7，在两个目录/var/www/example1和/var/www/example2有两个相同的文件student.txt，内容如下： shool:No.1 School class:class 3 ... 本modify-name.sh来完成这个功能，可是不知道该怎么写，请大神帮写一下，谢谢！...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vue2 mounted,beforeUpdate,updated问题

父组件传了一个属性，我需要用这个属性发请求，如果把请求放在mounted里就会只执行一次，以后再触发更新，子组件不会重新渲染，如果把请求放在beforeUpdate和updated ... (response.data) console.log(dataJson) vm.tableData=response.data }) }; firstData() },...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Why is stage ignoring the new defined positions when restoring window?

I'm doing some tests with jfx gui framework, so i needed to make my own custom window. In meantime, i managed to find ... , but nothing works and it's stuck in upper right side......

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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浏览器默认滚动条箭头样式的修改

我在修改浏览器默认滚动条样式时，没办法实现在滚动条两边出现单个方向箭头？在默认的方向箭头处打补丁时，滚动条的两端总是会出现两个方向的按钮一下是代码实例： ::-webkit-scrollbar ... /scroll_btn.png") -3px -26px no-repeat; cursor: pointer; } 效果图：能否去掉红色方框的空白？？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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265 views

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python - Is there any way to use a react js frontend to call flask security features?

I have an application which uses flask and flask-security-too in the rest layer. Since flask-security contains some ... I use React.js still benefit from flask-security features?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Untrusted pickle source

From the python docs for pickle : Warning The pickle module is not secure. Only unpickle data you trust. What would ... example of something malicious that could be done with it?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - OpenCV incompatibility issues

I'm trying to install the opencv package via conda install opencv and get the message Collecting package metadata (current_repodata. ... so I can use the package? All the best....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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为什么扩展内置JavaScript对象不是一个好主意？

prototype.js好像是这么做的...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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375 views

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关于读取数组里的对象内容

$(document).ready(function(){ var dataId=$("h2").attr("data-id"); var arr= new Array( { "color":"#fb6964", "text":"真理惟一可靠的标准就是永远自相 ... 样无法读取对象里面的属性内容，这个是什么原因呢？而console.log却能够正常打印出来...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How do I implement base power in a Python Pokemon game?

I have problems implementing the base power code on my Pokemon battle game on Python. Thanks if you wanna help. Here's ... have 130 base power, while dropping your attack by two....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Is it a bad practice to trust on global exported module instead of props in third parties?

For example, is it bad practice to do something like following with the @reach/router package // history.js import { ... are the pros and cons of this method in your opinions...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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