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php数组拆分的算法问题

把字符串 $str = '12,34,5'; 拆分成数组 $arr = [[1,3,5],[1,4,5],[2,3,5],[2,4,5]]; 求把$str转成$arr的php逻辑算法；...

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

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558 views

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Numpy's filterwarning set to ignore doesn't turn warnings off and Python's warning filter still catches them

Since Numpy 1.19, creating a ragged array without explicitly calling dtype=object raises a ... w) # raises np.VisibleDeprecationWarning intead of UserWarning...

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

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1.2k views

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element tree 多选

为什么通过node取消数据勾选时，会循环输出多次，我想通过取消勾选的时候，直接得到取消勾选后的值...

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

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383 views

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chrome插件点击图标无效，需等五秒后才有反应

chrome插件是用vue+webpack开发的，打包后，chrome使用开发者模式载入测试，发现点击插件iocn本身并无法及时打开，需等5秒后才能使用。如下图所示： 2、等五秒后才有反应...

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

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1.6k views

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antd Input标签添加suffix去除border边框

<div className="oneBoxTitle"> 嗷嗷 : <Input defaultValue={item.name} style={{flex:"1",marginLeft:"10px",border:"0px",marginRight:" ... 用啊但是去掉suffix就没有border了那使用suffix的时候怎么清除border...

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

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571 views

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Vue+Vant 移动端项目 vue一级路由跳二级路由过后出现页面滑不动的情况

这是一级路由这是二级路由这是定义的路由页面出现卡死，并且鼠标滑轮向下的话底部的标签栏没有吸底了...

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

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1.6k views

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ant design 如何让它的option内容和展示内容显示的不一样？

比如option内容为Jack--Jack-lastname这种形式，但是当选中的时候只想要Jack这种如图片所示，应该怎么改？ <Select showSearch > <Option value="jack" ... </Option> <Option value="tom">Tom--Jack-lastname</Option> </Select>...

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

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python - applying a function to rows of a ndarray && converting itertool object to numpy array

I am trying to create permutations of size 4 from a group of real numbers. After that, I'd like to know the position of ... 0].tolist()[0] locs = np.apply_along_axis(loc, 0, perms)...

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

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577 views

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微信小程序直播 [ 小程序·云直播插件 ]和 [标准直播+直播标签 ] 的区别是什么?

...

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

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361 views

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bootloader ld 0x10000 relocation truncated to fit: R_X86_64_16

.intel_syntax noprefix .code16 .text .globl _start _start: mov ax, cs mov ds, ax mov es, ax mov ax, 0x00 mov ss, ax mov sp, 0x7c00 mov ... 过了real mode 16-bit寻址规定的1M空间, 请问这种情况要怎么解决?...

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

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397 views

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请问,springMVC框架,在数据进入持久层之前,有哪些方式可以对数据进行过滤

现在的需求就是,有相当多一部分数据在进入持久层,存入数据库之前,需要对数据进行验证在拦截器里面拦截不符合要求....

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

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312 views

1 answer

vue 中能返回来一个 html的代码段吗

类似这样的，就是想返回来一个代码片段，如果不这样写，或者其他的方式写也行...

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

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398 views

1 answer

vim - vimrc reference python3 path through system command

For the YouCompleteMe plugin, I would like to set the parameter g:ycm_path_to_python_interpreter in my vimrc to the path of ... /ubuntu/anaconda3/bin/python3). How can I do that?...

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

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414 views

1 answer

求正则表达式整数五位数小数两位数

(/^D*(d*(?:.d{0,2})?).*$/g, '$1') 这个只能限制小数两位数综合限制整数不超过五位数怎么写 (?_?) <Form.Item style={{ margin: 0 }}> {form. ... /Form.Item> 这是一个可编辑单元格整数部分限制输入几位数,小数部分限制输入几位小数这种方法...

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

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361 views

1 answer

在DolphinDB中快速实现因子计算

已有pandas代码，计算累积bid和ask量比： ask = df["av1"] bid = df["bv1"] p = df["mp"].iloc[0] for i in range(2,11):? ?? ? ? ?ask + ... bid/ask) 想快速用到dolphindb中，并且用dophonDB的计算引擎来并行计算，请问有什么改动最小的办法 ...

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

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363 views

1 answer

spring - the way to map a list of embeddable

I have an embeddable class that is like this @Data @Embeddable @NoArgsConstructor @AllArgsConstructor public class ... extra created table player_bookings from the domain?...

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

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366 views

1 answer

bootstrap-vue使用cdn 无效或者怎么使用本地CDN

因为无法联网不能使用文档中提供的网络cdn 还有就是文档上的cdn 我赋值使用也是不可以的请问怎么使用cdn### 问题描述问题出现的环境背景及自己尝试过哪些方法相关代码粘贴代码文本（请勿用截图）你期待的结果是什么？实际看到的错误信息又是什么？...

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

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468 views

1 answer

返回一个字符串,jest单元测试要怎么断言，如下代码

main.js let timeContent = () => { let content = ''; let nowDate = new Date(); let nowDay = nowDate.getDay(); let nowHours = ... ) => { expect(timeContent()).toMatch('距离周末还有'); });...

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

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334 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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202 views

1 answer

javascript - Express.js: send results after next() is called

I have an app that enables users to define their own routes on the fly. And I still want to display an custom 404 ... they are sent to the client . How can I implement this?...

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

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246 views

1 answer

如何获取登录时的用户名并在该页面显示

el-form ref="xiugaiFormRef" status-icon :rules="xiuGaiPassRules" :model="xiuGaiPassForm" label-width="77px"> <el-form-item label="用户名" prop=" ... form> 如何获取登录页面时的用户名并在该页面显示，万分感谢...

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

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688 views

1 answer

bootstrap-table 如何渲染二级数组？

想要bootstrap-table实现下表，该如何把json数据渲染出来，谢谢返回的json数据格式如下： { "total":2, "rows":[ { "id":2, "user_id":1, " ... :1, "item":"fffff", "number":10000, "createtime":1589523959 } ] } ] }...

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

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345 views

1 answer

gitea怎么绕过密码复杂度校验

更新到1.11版本后连管理员创建用户都不能用简单密码了，配置项里也没找到相关配置，有什么方法能解决？...

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

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226 views

1 answer

仅可输入中英文，不可混合输入，中文最多5个字，英文最多20个字

仅可输入中英文，不可混合输入，中文最多5个字，英文最多20个字的正则表达式...

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

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318 views

1 answer

正则如何匹配繁体字？

需求是：在文章中，匹配到繁体字并将其去掉。最初想使用匹配unicode的方法，后发现无效，没了思路。请问如何解决？...

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

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234 views

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怎样理解 http 的 vary首部？

在 MDN 上对 Vary 这个响应首部介绍的很少，MDN 上说：它决定了对于未来的一个请求头，应该用一个缓存的回复(response)还是向源服务器请求一个新的回复不太明白 Vary 是什么原理我是这么理解的，假如 Vary ... 两者的 Accept-Language 值相同，则就是用缓存里的数据，如果不相同就从源服务器中获取资源这样理解对吗？...

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

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518 views

1 answer

关于ts + vue 的一个路由跳转问题

我先描述下现象：我按照如下代码配置了路由表 import Vue from 'vue' import Router from 'vue-router' import { notFound, MainList, todoComponent1, ... this.$router.push(url) } } 纠结了很久还是没找到问题在哪里...

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

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169 views

1 answer

java进阶都有哪些方法

学习java都有哪些好的方法...

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

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