Recent questions in Technique[技术]

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设置python环境变量时不小心把原始path都删了，请问怎么恢复? win7 64位的

设置python环境变量时不小心把原始path都删了，请问怎么恢复? win8 64位的...

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

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node.js - How to access error (thrown in post validate hook) when saving a document in mognoose?

This is the mongoose schema. I have added a post validation hook to it and I throw an error in it. I want to access the ... should I do this console.log(err.name.message); } })```...

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

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631 views

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java - Getting a "no coverage data has been collected" message using EclEmma and Eclipse

I recently had this very annoying problem come out of nowhere. Running my unit tests with EclEmma coverage ... with no coverage information available showing 0%. Thanks....

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

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494 views

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JAVA中间Object.wait()或者Condition.await()这样的条件状态满足条件之后重新获取锁的顺序问题？

rt，谁能给解释下？或者给点路子怎么找相关资料？...

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

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576 views

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vue v-for循环默认选中第一个

为什么样式是第一个默认选中了，而里面的input radio却是最后一个 addrSelected初始值是0, 如何修改？ chooseAddr: function (index) { this.addrSelected = index }...

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

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397 views

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postfix mta - Cannot match spamassassin custom regex rule

I want to match this pattern in my spamassassin's filtering rules: Password archivio: 666 Per conto di: There is a space ... I can clearly watch the hits. So, what I'm missing?...

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

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255 views

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str()和直接调用__str__用法有不同吗?

遇到很奇葩的问题,请看贴图: 为什么str(cut)会报错? 但cut.__str__()不会?...

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

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php - Unable to insert data in CodeIgniter 4

I am trying out CodeIgniter 4 and I have a problem inserting data. In my model I only defined the table name, no ... happens during the insert method call. How can I debug this ?...

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

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webstorm Weex控制台二维码变形

自带的控制台输出的二维码是长方形的,手机怎么扫也扫不出... 关键这也不是重点, 重点是weex刚出来的时候webstorm里面好像是会把二维码自动生成显示在IDE的右上角,也就是之前会显示浏览器的地方,现在没有了有谁知道是为啥吗?还是我记错了...

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

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617 views

1 answer

tomcat部署jave-web,网页访问html中文乱码。

在linux上部署了一个tomcat7的服务器本地Java打war放上去，用chrome访问主页html中文显示乱码各自方式都试过了，修改tomcat的service.xml，pom.xml文件的打包限制字符集 linux服务器本身是utf-8的，所以 ... 开，看到的字符集是utf-8 现在不知道问题出在哪儿有没有大神帮忙解惑？！！感谢万分...

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

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1 answer

javascript - reset typescript singleton instance in each unit test

I have a typescript singleton class like so: export default class MySingleton { private constructor({ prop1, ... default values are properly setted with the second intantiation?...

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

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381 views

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apache - Commented-out JavaScript causing server 406 error

Here's a strange one: I have this line of JavaScript in an HTML file: ctx.fillText(String.fromCharCode(172) ... case, why should a particular character present a security problem?...

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

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469 views

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git - Heroku: how to wait for latest build and show it's result/log using deploy via GitHub?

When using Heroku's regular git deployment with git push heroku master a nice, concise and helpful build and release status is ... ....) Is there a simple way to achieve this?...

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

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586 views

1 answer

Vue引入第三方JS的问题，引入成功，但是使用方法报错

之前自己写了一段JS，里面封装了一些逻辑操作方法。将项目转移到webpack中后，引入自己之前的js，却总是报错，找不到XXX方法用的 require方法这边Sources里面也没有我的js 是我引入方法用错了吗使用 import 方法却能在sources里面找到，但还是报错...

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

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380 views

1 answer

启动MongoDB时提示如下，一般是什么情况？

WARNING: Access control is not enabled for the database. 我在写一个将一个注册的文档插入数据库中的demo但是失败了，会是因为权限控制的原因吗？...

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

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420 views

1 answer

angular如何用url传参数打开新页面

收到后台参数后，需要将这个参数通过url传递到新的页面上，这个过程该如何解决...

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

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369 views

1 answer

Ionic在安卓版微信上遇到的问题（select很难选中）

ionic1.2.4版本在安卓版微信上，select标签很难点中，之前看到有人通过升级ionic版本至1.3.2解决了这个问题，但是由于目前app已经在生产环境中运行，担心升级ionic版本后会带来其他问题，有什么好的解决办法吗？...

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

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116 views

1 answer

java - How can execute to alertDialog when rewardAds loaded?

I have alert dialog in onCreate. When open alert dialog if user click yes, that will open rewardAds. But, the ... AlertDialog alertDialog = builder.create(); alertDialog.show(); }...

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

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536 views

1 answer

Convert HQL query into SQL in Java logs

I have a sample query like the following String hql = "from Stock s where s.stockCode = :stockCode"; List result = session ... output like select * from Stock s where s.code = 123;...

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

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How to organize Typescript type definitions for a function module with lots of private classes?

I'm writing type definitions for a library I don't own called fessonia. I have some experience doing this, ... relevant code repositories where I might learn by example. Thanks!...

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

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433 views

1 answer

iPhone6 UC浏览器再次进入时顶部错乱

使用iPhone6，打开安居客网页，从首页进入搜索页面, 退出浏览器，再次进入UC,会发现搜索框的顶部位置下移了...

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

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281 views

1 answer

Self in Python Syntax Error: Invalid Syntax, String's Attributes Inexisting?

I have a little problem here; how do I make a self argument in Python? I want to be able to create an function that ... Is there something I am not seeing? Should I even use self?...

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

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1 answer

React Native, TextInput怎样实现iOS UITextField的inputView属性，实现自定义键盘？

TextInput怎样实现iOS UITextField的inputView属性，实现自定义键盘？...

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

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500 views

1 answer

vue.js - Passing v-model to Child Component

I'm using Vue 3. In the example below I have 3 simple components, Name Component, Phone Component and Submit Component. How do I get in ... { name: '', phone: '', } } } </script>...

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

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536 views

1 answer

c++ - Load 2D vector from CSV file (73x74496 data size)

I want to read csv file that the data is only numbers, the size of the data is (73x74496), and I want to load the data to vector ... ::cout << data[1][1] << std::endl; return 0; }...

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

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201 views

1 answer

strval函数的参数是MongoId对象，为什么可以？

关于strval的介绍如下图：根据描述：strval是不能将类对象字符串化，为什么可以对MongoId使用strval函数呢？求帮助。...

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

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655 views

1 answer

vue 监听watch问题

new Vue({ el:'#app', data:{ pen:{ penc:false } }, watch:{ pen.penc:function(){ } } }); pen.penc 这样监听会报错。怎么监听这种对象？...

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

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354 views

1 answer

search - Remove lines after first match

I need to remove all lines after the first line that contains the word "fox" Say for example for the following input ... before the first and after the last occurrence of a string?...

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

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