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c++ - Is there a way to ensure lazy evaluation of BOOST_TESTs message?

Is it possible to ensure that the message macro parameter of BOOST_TEST is only evaluated, if the check actually fails. Lazy evaluation ... g++ 8.x (Win 10 / Ubuntu 18) 64 bit...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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315 views

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别人可能是工作（写程序）累了玩游戏放松一下

我是游戏玩累了，写点程序放松一下。唉，心好累。玩游戏不知道节制。...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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300 views

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Using symbols / special characters giving me error

I am using prettier extension, but I am getting "unexpected error" error when using special characters like (&#38) ... anyone knows how to solve this error. Regards, Shehzad Asif...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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512 views

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excel - I have two sum ranges in two different sheet

I have two sum ranges in two different sheet. i am applying formula in third sheet. can any one tell what is the ... ReportsJan-21'!$H$2:$H$2500,'ReportsJan-21'!$B$2:$B$2500,B$1,))...

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

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223 views

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javascript - How to stop scroling after confirming input

I'm trying to embed a live stream (Microsoft moving image). The problem is that after each chat input the website start ... real email in order to chat it`s just a demo :)...

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

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175 views

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useMemo为什么会打印两次？

问题描述我正在学习 useMemo，但是发现 useMemo 执行了两次，会打印两次11，无论初始化时，还是改变 name 时我在 useMemo 里打印 name，发现打印的是两个相同的值问题出现的环境背景及自己尝试过哪些方法 ... ); 你期待的结果是什么？实际看到的错误信息又是什么？每次修改 name，useMemo 应该只执行一次才对 ...

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

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392 views

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在流计算引擎中如何将累计量转化成当期量

请教一下，如果我们订阅的level2行情流表中的成交量和成交额都是累计值，用时间序列聚合引擎如何得到每分钟内的成交额和成交量呢？有什么比较方便的方法吗？比如我输入下面数据： sym ... .000 40 400 MSFT 2020.06.10T09:30:06.000 80 900 MSFT 2020.06.10T09:30:09.000 70 600...

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

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380 views

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node.js - Deplyong on DigitalOcean with NodeJs diffculty

Hello I was recently using heroku but decidedto change to digital ocean as the price is better. I deployed the on digital ocean ... .log('Server listening on port ' + port); });...

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

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321 views

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使用el-dialog遇到一个问题

点击编辑按钮，在el-dialog中修改数据，删除input的内容，页面中的内容同步被删除了这是为什么...

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

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274 views

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android - Casting to my Raspberry Pi running LineageOS

I'm considering making my own "Android TV" by flashing a build of LineageOS on my raspberry pi and then side- ... with the whisperplay daemon. Is there an equivalent for Android?...

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

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374 views

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python - SqlAlchemy query failing

I ran the following code Lessons.query.all() But I got the following error: sqlalchemy.exc.ProgrammingError: (psycopg2.errors. ... ) What is this error and how do I fix it?...

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

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633 views

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api - Get SteamID by Steam Apikey

As described, I want to get the SteamID from the Steam apikey. I need this to verify the apikey users gave me ... on the apikey but they don't return the corresponding SteamID....

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

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1.1k views

1 answer

node.js - TypeORM Migrations run, can't seed (no connections?! in migration)

I am working on my first TypeScript project, which is based off of this template: https://github.com/ljlm0402/ ... async down(queryRunner: QueryRunner): Promise<void> {} }...

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

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517 views

1 answer

为什么axios封装后出现跨域呢？

原生的axios跨域问题后端加了header解决，今天把axios进行了二次封装，测试时发现又出现了跨域问题，这是怎么回事呢？...

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

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226 views

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Autogenerate Random Images with Colors & Text in PHP

I have attached a procedure that I can use to generate random images. This works so far. But now I would like to have an ... ("Content-type:image/png"); imagepng($img); ?> ```...

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

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998 views

1 answer

aframe - a-frame make gltf and obj as obstacles

im new with a-frame, im trying to build a tour using gltf and obj 3d models, i can load it easily and without any issues. my ... -1"> </a-entity> </a-scene> </body> </html>...

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

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190 views

1 answer

React state更新的问题

页面中有一组Switch组件，默认全部开启，通过改变switchValue控制开关开关数据从一个常量文件中导入的 export const stationStatusSwitch = [ { switchValue: true, id: 1 ... 影响到导入的数组如果我把stationStatusSwitch放到当前页面的state中就不会有这个问题，...

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

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259 views

1 answer

Access VBA code in report gives the same result for each row

This is my report: I have coded in VBA so that the 3rd column (texbox) shows the ID related to each MinDeNote. But ... gonna be different for each row, which is not the case now....

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

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672 views

1 answer

ECharts如何根据时间段数据显示柱形图，并且x轴显示时间点?

如图，现在有一天内所有时间段的数据，也就是24条柱子，但x轴上的刻度需要显示0-24时的25个刻度，这需要如何配置...

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

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277 views

1 answer

How to undo the changes that Excel made to a .txt file

I opened a .txt file using Excel. I was asked if the file was delimited and some other settings. Then the file opened ... file with NotePad. How can I get the original text back?...

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

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350 views

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在DolphinDB中怎么释放内存表

如下图所示是一段DolphinDB database脚本，请问这个例子中比较占用内存的是否为t、temp、result这三个变量或表，如何删除变量或者表以释放内存？...

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

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311 views

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Using JSON Files in Python and applying multilabel classification problem

I'm quite new in python and I try to resolve a problem. I have a JSON file and I need to make a multilabel classification on ... be the label(I don't know if it's a good approach)....

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

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92 views

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ios - ReactiveSwift one vs multiple signal subscriptions and related memory overhead

I have a simple signal, in one of the app components, that returns an array of items: var itemsSignal: Signal<[Item] ... I think this is relevant for other Rx libraries as well....

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

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252 views

1 answer

API from marketstack in R

Based on document from https://marketstack.com/documentation http://api.marketstack.com/v1/eod ? access_key = ... +0000") stocks_dt <- fromJSON(api_url) Any suggestion?...

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

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255 views

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请问content-type:application/javascript 这样的响应类型怎么获取它的数据？

http://fund.eastmoney.com/pingzhongdata/110011.js?time=1594263287634 就是这串地址它的响应： Content-Type:application/javascript 不是json格式也 ... : function(data) { console.log(data) } }); }...

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

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321 views

1 answer

关于调用析构函数的问题？

#include <string> int main() { std::string s; s.~string(); return 0; } 这种写法 g++ 和 clang++ 都报错 s.std::string::~string(); 这么写只有 ... 和 clang++ 同时通过编译？版本: g++ 10.1.0 clang++ 10.0.0...

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

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715 views

1 answer

markdown - mkdocs search bar is not working after building site

The search bar on the site is not working after building MKDOCS. Whereas when I serve in localhost it's working. Is ... this to make use of the search bar after building mkdocs....

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

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375 views

1 answer

Connection to Azure SQL via Active Directory-Integrated

I have ADFS enabled in my domain and I am trying to connect to an Azure SQL database from SSMS via Azure Active ... SSMS to the latest one but still the same issue persists....

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

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