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220 views

1 answer

python - psutil shows I have >250GB RAM available, yet I'm having memory errors loading a 6.5GB file

Using python with a 6.5GB dataset on a server that has hundreds of GB of RAM (confirmed with psutil). I'm getting ... MiB for an array with shape (2003397,) and data type float64...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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785 views

1 answer

flutter - Firebase messaging onResume, onLaunch or onBackgroundMessage are never called

I am using Firebase Cloud Messaging package for flutter. I want that whenever a user taps on the received notification, the flutter ... } } Can anyone help me out with the issue??...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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406 views

1 answer

c# - How to handle: Warning MSB3182: File name 'Resources....File.txt' exceeds 100 characters

I have a WPF project with a couple large strings in it. So I decided to clean it up a bit and move my strings ... , clean way to handle my large strings. Help will be appreciated....

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

742 views

1 answer

c# - Create text file in memory then upload it to Azure Blob Storage

Right now I am creating a Parquet file in memory with the help of a library and I am uploading it to Azure Blob storage. ... ; } } is there a simpler way? if not this is okay...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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751 views

1 answer

CUDA complains about nvcc being an "unsupported toolchain"

I've made a 1D convolution program in CUDA - but for some reason the executable doesn't run as CUDA complains "the ... ./program. Googling returns little to no results - any help?...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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926 views

1 answer

python - Django 3.1 gives error | URLconf does not have any pattern in it, If you see valid patterns in the file then the issue is probably

Python: 3.6.0 | Django: 3.1.4 By going through the documentation, I created one app, below is my app url.py ( ... a circular i mport. Also, below is my directory structure for ref:...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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786 views

1 answer

angular 模态框$modal怎么设置点击灰色蒙版不关闭模态框

...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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250 views

1 answer

flask在返回headers时的编码问题

看源码时，werkzeug在计算返回头content-length时，有下面代码： content_length = sum(len(to_bytes(x, 'ascii')) for x in self.response) 而to_bytes()有如下定义： def ... 不就执行错误了吗？但实际上网站里出现中文也不会出错，这是为什么呢？...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.5k views

1 answer

vmware - Rundeck ERR_INVALID_REDIRECT on new install

Installed Rundeck on Ubuntu 20.04 server. Using inbuilt database. I followed the instructions on https://docs.rundeck ... Authority [build,build], Jaas Authority [deploy,deploy]...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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313 views

1 answer

阿里的一个笔试题

如何利用ajax对页面的所有请求的响应时间进行收集，希望能得到细致的解答，最好附上代码，谢谢...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

463 views

1 answer

webpack打包后图片路径有问题

主页本来是在 http：// localhost:8080端口打开的，一切正常，webpack之后，主页直接引用bundle.js，这时主页的图片就找不到了。项目文件结构和webpack配置如图...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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584 views

1 answer

PC端微信登陆授权js多次请求问题

PC端微信登陆授权js多次请求问题以下是js代码：以下是页面请求：页面中加了微信登陆授权的js之后，会有几十个这样的请求，页面才能加载完毕，导致页面打开速度变慢，大约30s加载完全。求问有大神做过类似的功能吗？该功能：PC扫描二维码，微信收到登陆提醒，微信确认登陆之后，PC则登陆了。...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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290 views

1 answer

这35个接口，用Java开发，一般要多少天？一天可以完成多少个

这35个接口，用Java开发，一般要多少天？一天可以完成多少个...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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285 views

1 answer

又是原型的问题？

不明白以下两种写法在实质上有什么区别？ function Person() { } Person.prototype.age = function(n) { return n; } var person = new Person(); person.age( ... Person(); person.age(9); 那两者在哪些方面有可比性呢？求教，谢谢！...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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310 views

1 answer

thinkphp5可以实现多模块部署吗

application --api ----v1 ------controller ------validate ----v2 可以实现上述格式的模块设计吗...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

178 views

1 answer

awk数据读取原理

网上看到一个用awk打印Ip但是没有IP地址放到引号中的情况，出现了一些奇怪的现象，自己尝试了一些情况如下： cnbubble@~/test:$ awk 'BEGIN{print 1.1.1.1}' 1.10.10.1 cnbubble@ ... awk 'BEGIN{a=1.300;print a}' 1.3 但为什么awk不报错？它读取数据的原理是什么？...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

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239 views

1 answer

python - textvariable not found in a def

I have this code : from tkinter import * def mine(): global textVar textVar = StringVar() textVar.set('Text') root ... undefined. But when the textVar is outside the def it works...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

305 views

1 answer

android 开机启动

我的需求是APP开机自启动，目前我只找到一个方式需要用户手动允许！而支付宝安装后这个“自动启动”的选项直接是开启的，无需用户手动允许，请问如何实现的？...

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

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148 views

1 answer

epubjs的ready函数回调后不能提取出数据

epubjs中的book对象的ready函数执行后返回一个promise对象，我在then的回调函数中想把book对象中的navigation存储在本地变量中，但是并没有赋值，我在外边打印还是一个空对象。。。有没有挖过epubjs坑的大佬解答一下这是什么原因，谢谢大佬...

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

0 votes

435 views

1 answer

pytorch有没有一下子送进去data_set做test accuracy的简洁写法？

目前只会先把test_set放到data_loader里面，让batch-size等于len(test_set) 这样一次就可全放入但是也没有更简洁的写法？ data_loader=torch ... x,labels in data_loader: preds=global_net(x) num=GetCorrectNum(preds,labels)...

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

0 votes

216 views

1 answer

go-stun每次得到的ip不一样？

https://github.com/ccding/go-... 这个一个STUN客户端，按我的理解，stun客户端每次向服务器发送数据，服务器把从客户机所在的外网地址返回给stun客户端 ... cone NAT External IP Family: 1 External IP: 33.106.181.11 External Port: 29072...

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

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239 views

1 answer

android - How to record video with AR effects and save it in flutter?

I am trying to create an application like snapchat that applies face filteres while recording the video and saves it with the ... , and also save the video with the filter on face....

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

0 votes

184 views

1 answer

关于在线聊天功能

前端使用的vue，后端使用thinkphp，打算做一个在线聊天功能，请问应该用什么？网上查到有socket.io和workerman,是后端使用nodejs才能用socket.io吗?...

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

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216 views

1 answer

javascript - Link index.html client.js and server.js

I'm starting with Node.js and I have already a problem in my first program. Below is the code I'm using. Index. ... stupid error but forgive me I'm just getting start. Any advice?...

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

0 votes

429 views

1 answer

angular - How to create a chart with chart.js by using data from external api

I have got some data from externel API using http get request. The code is this, export class ProfileComponent implements ... of line chart. I am a beginner in web development....

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

0 votes

261 views

1 answer

How to convert a double variable into a char array in C++?

I'm working on a project for school and we just found out that outtextxy() (a function from graphics.h, which we must ... I tried to copy-paste that part in hopes of it working....

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

0 votes

1.9k views

1 answer

ant design vue登录问题

按照官方文档对接服务器需要移除mock, 在移除mock后请求出现异常, 比如login的时候会连着调用login, getinfo, logout三个方法, 另外Vue.ls.set()无法写入数据? Login.vue ... 景重现: gif有些大请耐心等待或者复制链接地址http://img.os4team.cn/ant-des......

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

0 votes

221 views

1 answer

关于c++里new和delete[]的问题

我花了两个多小时才调试它并检查代码错误但是我仍然找不到它崩溃的原因如果删除第91行到第93行之间的代码，则源代码将能够在vs和vscode中运行，但在dev-c中失败 dev-c的反馈是程序接收到的信 ... i++) { cout << raCopy[i + firstI] << " "; } system("pause"); return 0; }...

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

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