OStack Q&A-Knowledge Sharing Community

0 votes

340 views

1 answer

内存是用来存数据的，它有地址，地址是一个16进制的数，每个地址可以存1个字节的数据问题： 1 这个16进制的地址是谁给它的，是操作系统给它的，还是生产的时候给它写进去的？ 2 这个地址存储在什么地方，是存储在一个什么芯片 ... 3 = 4 ' 5 hello 6 ; hello存到内存了，那其他5个元素也肯定存到内存了，他们存到内存后怎么关联起来呢？...

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

0 votes

428 views

1 answer

archlinux中网卡如何开机自启动？

昨天晚上安装好archlinux，重启之后发现网卡没有启动，使用ip link发现网卡为DOWN 手动执行： ip link set enp0s3 up 启动成功但是重启之后，使用ip link发现网卡依旧为DOWN 请问如何让其开机时 ... 中好像没有在启动脚本中添加ip link set enp0s3 up 命令的，但是虚拟机上是开机网卡自启动的 ...

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

0 votes

103 views

1 answer

phpmailer放到服务器的问题

本地测试没问题，放在服务器上出现了问题。说SMTP Error: Could not connect to SMTP host，求大神。...

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

0 votes

330 views

1 answer

vus.js如何实现页面伪静态？

vuejs可以实现伪静态吗，或许vuejs+velocity.js可以吗？...

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

0 votes

426 views

1 answer

How to mark a parent menu as active if any of it's child is active using Laravel and Eloquent?

I want to create a list of menu for my dashboard. It consists of menu name and url. Each item acts like this ... achieve this using Laravel 8 and Eloquent. Any help is appreciated....

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

0 votes

290 views

1 answer

关于安装greenplum过程中的问题

1.系统环境和形相应软件版本: centos6.5 green-plum的版本是4.3.5.2 2.在安装过程中: 1)已经修改了内核参数: net.ipv4.ip_forward = 0 net.ipv4.conf.default.rp_filter = 1 ... 输入的root密码) 求大神们,解释一下这是什么原因造成的,求解答!谢谢了,大神们!!!...

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

0 votes

231 views

1 answer

scala - Is it possible to pattern detect within a Window object?

To give you a bit of context what I'm trying to achieve with this small example is to detect which stops the bus didn't stop ... to say (i.e. each Row knows all of the other Rows)....

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

0 votes

714 views

1 answer

reactjs - How can I get a Formik answer set inside an xState action?

Please see my update below. The scenario: when onEntry to the submit state it fires a defined saveData action. ... = order[index]; const machine = machines[currentStep];...

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

0 votes

422 views

1 answer

c++ - Can concepts(C++20) be used as a boolean?

using T = decltype(std::same_as<int, double>) I have tried this on VS2019. It turns out that T = bool. Is ... information about it.. https://en.cppreference.com/w/cpp/concepts...

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

0 votes

362 views

1 answer

overflow-x苹果端兼容问题

overflow-x苹果端兼容不了，有什么办法可以使其兼容吗？或者说是在移动端可以朝X轴滚动的，一张表格的，求大神相助啊..........

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

0 votes

399 views

1 answer

微信第三方平台开发时通过获取令牌component_access_token，(php)

<? function send_post($url, $post_data) { $postdata = http_build_query($post_data); $options = array( 'http' => array( ' ... ":41002,"errmsg":"appid missing hint: [JwuG70489e575]"}...

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

0 votes

428 views

1 answer

error handling - Some times there is Traceback, and sometime there is not in Python

I was messing around in the Python Interpreter, and I realized one strange thing. Interpreter Session: >>> some_var Traceback (most ... but in the second one I don't. Why is this?...

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

0 votes

313 views

1 answer

Laravel API Actions Being Performed from non API Domains

Laravel version 8.19.0. I'm playing around with a fresh Laravel installation to test out Sanctum and I've ... ? Happy to supply any further information if required. Thanks....

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

0 votes

396 views

1 answer

algorithm - How to create a forced matrix

I have this requirement to create a tree like structure. Each parent can have at most 3 children. And the tree grows ... added?. An answer with an algorithm would be much helpful...

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

0 votes

259 views

1 answer

amazeui gallery预览大图交互效果(pureview)失效

使用amazeui gallery实现图片缩略图及大图预览，问题：有的情况下（如：rails项目erb模板渲染），查看大图时是通过备用的a标签，而不是amazeui gallery的效果问题重现：项目代码示例中下面一排图片，查看大图一直是通过a ... 正常，一个则一直是通过a标签查看，不知是什么原因，怎么解决，知道的朋友麻烦告知一下！原问题链接...

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

0 votes

477 views

1 answer

python - Redis Timeseries, rolling sum with LUA

I have a timeseries I want to compute a rolling sum of. My idea (which is probably suboptimal already) is to have a script to ... resample('1s').sum().rolling(120).sum() # <= that...

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

0 votes

468 views

1 answer

随着鼠标滑动翻页，并有动画效果的页面怎么做的

案例网站： http://overkast.jp/ http://www.fontwalk.de/03/ 求大神解答 ~~~...

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

0 votes

214 views

1 answer

Scala aggregate function vs. Spark RDD aggregate function

Here are the definitions of the function: Scala: aggregate[B](z: => B)(seqop: (B, A) => B, combop: (B, B) => ... in Scala is in lazy format, while in Spark RDD is in eager format?...

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

0 votes

376 views

1 answer

tensor - Pytorch Loss Function for making embeddings similar

I am working on an embedding model, where there is a BERT model, which takes in text inputs and output a ... to do is similar to the method described in this paper....

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

0 votes

286 views

1 answer

VUE+Element 如何table获取上层form表单循环出来的对象

VUE+Element 如何table获取上层form表单循环出来的对象，如下图：这里直接写sceneResultConf是获取不到，有没有大牛知道如何获取上层循环出来的对象。...

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

0 votes

375 views

1 answer

为什么opacity还是会触发重排layout、重绘repaint，不是说opacity只会触发composite吗？

随便弄了个例子： <!DOCTYPE html> <html lang="en"> <body> <div id="target"> 某个元素 </div> <script> var flag = false setInterval( ... 重绘(Paint,图中绿色的Pa...3)然后是composite，不是说只会触发composite的吗？...

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

0 votes

303 views

1 answer

以下三种下载方式有什么不同？如何用python模拟下载器下载？

问题始于一个链接 https://i1.pixiv.net/img-zip-... 这个链接在浏览器打开，会直接下载一个不完整的zip文件但是，使用下载器下载却是完整文件而当我尝试使用python下载的时候 from urllib ... zip', '123.zip') 403报错想问一下，为什么浏览器，下载器，以及python下载的结果会不一样？...

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

0 votes

476 views

1 answer

CSS3边框渐变、彩色问题求指教

如上图所示想实现这种彩色边框，听人说CSS3能实现，麻烦有做过的给个简单demo、O(∩_∩)O谢谢...

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

0 votes

233 views

1 answer

Getting "Page not found" error in publishing website via Github

I am relatively a new user of R and it is my first post in StackOverflow, so please excuse me if I do not ... . Every kind of help is really appreciated. Thank you in beforehand....

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

0 votes

457 views

1 answer

Sending chat attachments taking long time(more than 1 min) in QuickBlox ios Swift SDK

While sending chat attachments it takes a lot of time (more than 1 min) using QuickBlox iOS Swift SDK ... failed.. ") self.delegate?.attachmentBarFailedUpLoadImage(self) }...

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

0 votes

925 views

1 answer

vue.js - How Can I Share Cookies With Subdomain in Nuxt?

I have a subdomain for the partner dashboard and normal site. Both of are nuxt project. Site : example.com Subdomain: ... redirect it to inside because the user cookie is not null....

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

0 votes

556 views

1 answer

有没有什么好的图片懒加载的插件，需要包含监听页面滚动高度，然后再加载的功能

jquery.lazyload.js这个插件是一次性加载所有图片啊，没有监听页面滚动高度的处理啊，还有我想知道，在移动端图片宽高是没法写死的，一般你们值是怎么处理的？...

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

0 votes

354 views

1 answer

关于循环js中的一段数组问题

js中原型是这样的 cms.addNav([ { id: 1, pid: 0, node: '运行环境', url: '?s=Admin-Index-Right' }, { id: 2, pid: 0, node: '系统', url: '' ... ": "", "pid": 21, "level": 1, "sort": 50 } ] 应该怎么写才对呢？...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags