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    I am new to react and heroku. My backend is Ruby on Rails. I followed this guide: https://dev.to/caicindy87/ ... Solved I didn't include the static.json and it somehow works....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    今天试了下 java 的 fiber 库 quasar,有些疑问 测试方法是 扫描本地端口 8000~9000 查看端口是否 socket 监听,本地启动了一个 8080 的服务 比较不同方式扫描一遍1000个端口耗时 quasar 的耗时 ... 改造的 有过 quasar fiber 的使用经验么 可以解释下我这个结论是正确的 还是我操作方法有啥问题...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    需要加载大量图标,分别从不同的网站加载网站图标,这样写会导致用户操作卡顿吗? 下面是图标所在的原子组件, 会重复N次。...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Exaple of answer: if(player has clicked && item in player right hand is stick) { // Do some action } Thanks in advance...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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615 views
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    如何让背景色,铺满整个屏幕,并且高度随内容自适应...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    新建项目后,直接启动的 package.json...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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622 views
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    或者有没有什么工具可以查看这段时间 服务器再做什么,是什么原因导致的...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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558 views
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    C:UsersAERO>npm install npm WARN [email protected] No description npm WARN [email protected] No repository field. audited ... for funding run npm fund for details found 0 vulnerabilities...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    elasticsearch可以实现推荐用户的数据一直是最新的吗,且数据不是重复的吗...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    往常做的都是短页面,没想到一做长页面这么不方便,有大哥会解决这个问题吗?不然实在太不方便了,最好能让页面既刷新又停留在原位。...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    <div class="p-s-i l" v-for="item in product.productItems"> <img class="icon" src="../images/home_icon_zt.png"> <img src="../ ... 和上图一样 this_.product = res.data } }); } }) 一直报错...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    后台返回的是字符串1,2,3,4,5 我想保留钱四个并且转化为数组格式,这样写数据为空的时候偶尔会报split错,前面加了判断也不行,还有别的方法吗请问 <view v-if="item. ... aItem,index) in item.tags.split(',').slice(0,4)" :key="index">{{aItem}}</view>...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    需求:计算客服的平均响应时间 客户说一句话,坐席说一句话,计算一个时间差(如果一方连续说了多句话,取第一句) 然后一通回话中,会得到好几个时间差 计算在这一通回话中,几个时间差的平均值 请问用sql如何实现上面的需求呀? 说明 fromjid:说话方 tojid:听话方 loginid:一通回话的唯一标识 time:时间 body:说的话...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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648 views
1 answer
    https://ostack.cn/a/11... 请问大家canvas识别图片中指定的某一种图形有什么思路吗?比如识别图片中的长方形(长方形可能经过旋转,不一定是横平竖直)...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1 answer
    I am trying to setup a simple kafka stack in local and I am at the point where I need to create a toy ... schema, right? encoder.flush out.close out.toByteArray thanks so much...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1 answer
    I try to run karma tests for Angular with gitlab CI. The .gitlab-ci.yml: image: node:14.0.0 cache: ... .cc Running as root without --no-sandbox is not supported?...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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775 views
1 answer
    I am needing to extract three months at a time of one year for years 2016-2020. For example I need Jan- ... time. DECLARE @StartDateKey int = 20160101, @EndDateKey int = 20160331;...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1 answer
    I'm trying to pass 10 country names at once to my payload by converting it to list. But i'm facing problems while executing the program ... ","USA","UK"]} ], "planet": "earth" } }...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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658 views
1 answer
    def anagramwordchecker(z,w): if sorted([x for x in w])==sorted([x for x in z]):return True return ... 's the difference? any advantage using filter? cause comprehension is easier....
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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927 views
1 answer
    One can apply docxtools::format_engr() to a table to switch from computer notation to engineering notation. (Source: ... markdown report compiled with knitr both to PDF and HTML....
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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927 views
1 answer
    When I try to load data from excel using models = json.loads(my_column_with_JSon_data)["template"]["module"] ... 'translated_output': tg_text}) output = dfFinalData.append(content)...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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772 views
1 answer
    小程序写一个音乐播放的界面,歌词滚动单独包装成了组件,但是scroll-view的高度是想给70%但是没反应,目前高度就很长很长,甚至划到下一页 我想知道怎么把歌词的限制在这个黄 ... ; top: 50%; } .lyric { min-height: 64rpx; } .hightlight-lyric { color: #d43c33; }...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    多人开发,git版本控制,我发现有一个人经常会提交这样的目录上来,因为对方修改了a/index.js,提交上来后,在a文件夹下多出来一个dist/index.dev.js,内容如下: "use strict"; Object. ... obj.__esModule ? obj : { "default": obj }; } .... 怎么能阻止这种情况发生 ...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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657 views
1 answer
    I have a dataframe with some 2 million rows like this: dt num 0 2019-05-12 10:17:00 135 1 2018-01-16 21:32 ... provided (groupby) solves it in seconds against close to one hour......
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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887 views
1 answer
    这段代码会提示错误VM151:2 Uncaught TypeError: Cannot redefine property: a at Function.defineProperty,为什么不是输出a,b,c? let value = "a"; ... c"; } return result; }, }); console.log(a,a,a);...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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714 views
1 answer
    I have vector of time points which will be represented at x axis. some of these time points occur at certain sign and ... for double space time points. can I plot this in gnuplot?...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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557 views
1 answer
    目前碰到的问题是canvas生成的彩色图片打印出来有色差,需要cmyk格式的打印出来才没有色差。各位有碰到过这种问题吗,是怎么解决的。...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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597 views
1 answer
    为此专门在github上搞了个demo项目,地址为: 微前端框架演示demo,路过的大神帮忙看看!谢谢!!!...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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