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292 views

1 answer

Python: extracting an integer from json using split

I'm trying to extract the month number from dates in JSON files as an integer. The dates are formatted like this: " ... can I do to produce output that's pure integers? Thanks,...

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

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269 views

1 answer

Qemu read guest ram from host application

I have a host application which needs to access qemu physical address. For a RAM memory region. I am not able to figure ... . But am not able to find the documentation for this......

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

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477 views

0 answers

three.js - How to use async/await when loading a material texture image

I have a .obj, and .mtl with texture image that I want to render. The scene is static so I want to ... await in MTLLoader.MaterialCreator::create, the texture is not seen? Thanks...

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

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164 views

1 answer

express路由问题

1//////////////////////////// var express = require("express"); var app = express(); var apiRouters = express.Router(); //这里定义了一个路由 ... 个跟第二个代码不一样但是都能实现相同的效果，这是为什么，还是我哪里理解出错了？...

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

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146 views

1 answer

android - How to share unfinished flutter app for review?

So I'm learning to build my first app using Flutter. I can't find information around how I can share my prototype app while it ... app on the web be a good idea? Why or why not?...

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

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416 views

1 answer

javascript - How to add photos to Vue Carousel 3D slider correctly?

I'm trying to figure out the Vue Carousel 3D documentation and can't figure out how to get one image displayed on each slide. ... 360x270"> </figure> </slide> </carousel-3d> </div>...

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

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349 views

1 answer

css - :not() psuedoclass for httml[lang] not working

Trying to make a more dynamic css so do certain styling for non english html pages, instead of having to add a css rule each ... -12.d-flex > div:first-child { display: flex; } }...

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

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543 views

1 answer

python 3.x - UWSGI error with PCRE Ubuntu 20.04 error while loading shared libraries: libpcre.so.1:

I run through the following steps to attempt to start up an app for production: -Setup a virtualenv for the python dependencies: ... Thanks. I'm on Ubuntu 20.04, using python 3.8....

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

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498 views

1 answer

我在阿里云上docker配置lnmp，使用他们的负载均衡，然后php一直报错？

1.这是nginx容器的日志 cnp_nginx_1 | 2017-04-24T03:39:25.712515392Z 172.19.0.2 - - [24/Apr ... SCRIPT_FILENAME /usr/share/nginx/html$fastcgi_script_name; include fastcgi_params; } }...

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

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343 views

1 answer

json.load() function doesn't work- Python

JSON load doesn't work for me whenever I run my code, The code import json filename = 'eq_1_day_m1.json' with open( ... : 'eq_1_day_m1.json' if you are wondering Can you help me?...

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

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230 views

1 answer

How to open a new tab in Angular Dart without bootstrapping the app again

I tried to open a new tab using window.open(theUrl, '_blank'); It works but it bootstraps the whole app again. Is there a way to open a new tab without bootstrapping the app ?...

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

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270 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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512 views

1 answer

python - TypeError: Iterable command_prefix or list returned from get_prefix must contain only strings, not Cursor | Discord.py

I was implementing custom prefix usage with my sqlite3 db. I recieve this error whenever I try using the prefix: ... when_mentioned_or(f"{current_prefix}")(bot, message) Thanks!!!...

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

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469 views

1 answer

有没有办法在客户端通过JS实现HTTP长连接

如题所述，我在一个特定的服务器需要频繁的请求数据，一直建连请求，建连请求这会有很大的开销，不知道JS有没有办法实现HTTP长连接，后面的数据请求就一直复用这个连接的通道？（忽略websocket）能不能只通过客户端JS来实现... 可能第 ... 接进行第二次第三次的请求，然后客户端同时维护两个这样的http连接，轮换使用这样子的，有什么有效的实现方法么？...

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

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1.1k views

1 answer

thinkphp 为什么独立日志配置没生效？

https://www.kancloud.cn/manua... 我的配置 configlog.php： <?php return [ // 日志记录方式，内置 file socket 支持扩展 'type' => 'File', / ... thinkphplibraryhinkLog.php，发现配置也正常请问为什么日志没有独立输出成多个日志文件呢？...

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

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250 views

1 answer

@RequestParam和@PathVariable能一起用吗？

@RequestParam和@PathVariable一起使用时，访问 /page 和/page/123456 ，number无论如何都是1，这是为啥？ //测试 @GetMapping({"/page","/page/{number}"}) ... ("当前是第 :"+number + " 页"); return ""; } ...

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

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172 views

1 answer

c# - How to create a connectionstring without using the admin

I want to connect to my database from my website without using an admin account. I would prefer a user with a role that has ... don't seem to have a password (or way to login)....

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

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562 views

1 answer

客户端登录流程是什么？怎么防止信息被篡改？

客户端登录详细流程是什么？怎么防止信息被篡改？（比如伪造服务器的登录成功返回信息）是不是要用到加密算法...

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

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331 views

1 answer

formidable编码问题

前台上传到服务器的txt文件默认用了UTF-8的格式保存,文件内部的中文全部变了乱码,用GB 2312打开就正常了,但是用node进行fs.readFile操作就按UTF-8的形式读取了.查了一下fs好像不支持读取GB 2312编码的. 所以 ... 不出现中文乱码呢? 这是刚上传的,UTF-8编码打开的文件内容: 这是切换GB 2312打开同一文件的内容:...

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

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445 views

1 answer

web services - Cannot add certificate to the C# SOAP request

I am trying to connect to the WebService with C# but I cannot attach certificate to the request. I succesfully authorized ... nothing of them solve my problem. Can you help me?...

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

0 votes

462 views

1 answer

pandas.to_datetime得到的时间写入DolphinDB数据表后时间显示不正确

我用pandas.to_datetime转格式，写入流数据后时间显示不对，如下面2图所示代码如下： times = pd.to_datetime(now_time) print(times,type(times)) dat[' ... time.sleep(0.5) s1.run("tableInsert{now_stream}",da) 应该怎么转换？...

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

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273 views

1 answer

java - Perform an action when a view is slid over(in contrast to touched as in ACTION_DOWN)

I am trying to detect when touch is hovering/holding over a view on which the touch DIDN'T begin(no ACTION_DOWN) using ... 14 buttons. I should add I'm using a constraint layout...

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

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535 views

1 answer

如何拦截浏览器的QQ弹出窗口

就类似这种弹出框想禁止掉因为是用的electron的浏览器可能没有被禁用是一个iframe标签或者有没有其他方法禁用掉它呢...

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

0 votes

232 views

1 answer

javascript - Two colored circle in React Native without svg or similar (using Views)

is it possible to create a two colored circle in react-native without svg? I made a quick mockup in paint.net so you can see what I exactly want. Thanks in advance...

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

0 votes

628 views

1 answer

react antd Popover气泡卡片

Popover组件怎么用使用组件的同时(悬停触发) 又触发接口获取后台数据展现在气泡卡片上 (只显示唯一的气泡卡片,目前代码会出现一组气泡卡片试了很多乱七八糟的办 ... this.onclickBigContainer(e,item,shelfId,shelfClassList)}> {str} </div> </div> ) })} </div>...

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

0 votes

470 views

1 answer

Laravel6使用JWT验证, token错误时如何自定义返回信息?

请问大牛, 在laravel6.0中使用jwt做表单验证, 每次都要传token,验证通过了才能访问接口. 可当我把token故意输入错误时, 就会返回以下错误页面: 我现在想判断这个token,　如果token错误就返回自定义的提示信息, 请问该怎么操作啊? 网上搜不到...

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

0 votes

711 views

1 answer

请教一个 MySQL 分区设计问题

先说业务场景，简化如下：统计用户使用哪些工具完成各项任务的情况（何时完成？成败？耗时？）我现在的设计如下： UserTask（用户任务表) 用户ID, 任务ID, 何时完成, 成败, 耗时前三列是主键，换句话说，一个用户不可能在 ... 么做或者对于我现在的目标 -- 统计用户使用哪些工具完成各项任务的情况，您有什么好的建议也可以提谢谢！...

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

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202 views

1 answer

html - How can I make a small space here between the icon and text

I learn Reactjs and JavaScript and now I have this problem please advice In this image the "Sign in" does not have a space ... "Sign in" text but it's not read in. Please advice!...

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

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