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    let fs = require("fs"); let rs = fs.createReadStream('d:/01.wav',{flags:'r'}) let ws = fs.createWriteStream('d:/01-copy.mp4',{flags:"w"}) ... 解的这个流操作的机制,为社么打开关闭只有一次呢却能读取流对象内容两次呢?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Is there a way to convert the brave.propagation.TraceContext object to JSON? I tried new ObjectMapper().writeValueAsString(traceContextObject) but it gives {"localRoot":true}...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I was recently thinking about establishing a receiver of Wi-Di (aka Miracast) from my SBC with linux (Armbian at the ... in advance, I'll appreciate all relevant ideas or links....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am currently testing django-allauth for one of my applications. So far it seems to be a very good third party ... : Adding a new email addresses requires an password input first....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    前端的main.js: axios.defaults.withCredentials=true; 后端的跨域处理: @Configuration public class CorsConfig { @Bean public CorsWebFilter corsFilter( ... 一样的问题 https://bbs.csdn.net/topics/3......
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    nacos占用cpu过高,怎么判断是java代码问题,还是nacos问题...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    This may really be more of a branding question but I'm asking here because it has to do with how FCM handles ... the app is installed. Any guidance would be greatly appreciated!...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have Python 3.7 && I would like to create a python 2.7 virtual environment to run some code that only works on ... I create this python 2.7 virtual environment? python3 -m venv ?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm trying to upload my first node.js application to heroku. Build is showing successful, but the application cannot be opened ... = require('morgan'); const cors = require('cors')...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    分支B是去年从分支A拉出来的,到现在已经有一年了,这一年期间A和B分支各自都有开发改动,现在想把B merge回A,请问有什么快捷的方法吗?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I need to get all the records from a specific record to the last record in my database. ref.orderByChild("date").equalTo(" ... i need all the records from this one to the last one....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    比如说下面这段代码 <div id="a"> <div id="b"> <div id="c"> <div id="d"> </div> </div> </div> </div> 点击div#d,然后div#a没收到事件, ... bubbles: true })) 来模拟鼠标点击 但我不知道怎么追查这个事件在哪里被 stopPropagation() 了 ...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Im my Angular application, I need set options of multicheckbox field from a function inside my app (component or service). ... to bind with a component or shared service method } }...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am trying to solve the following Optimal Control Problem in GEKKO: I know a priori that the path for c is: where the ... given before hand. I'm not sure where I am wrong....
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am working on a pset and I am having an error message: Looks like you're trying to use a variable that might not have a value? ... (i == N-1) { return true; } } return false; }...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    需要将一个容器中的选项拖拽进另一个容器中的某一项里,实现一个分组的效果。 比如上图,需要将左侧的西瓜、香蕉等拖到右侧的水果分类里。 现在使用vuedraggable,有一个拖拽插入的效果,可不可以取消?如果不能取消的话还有什么方法实现呢?...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    We are using resilience4j Circuit Breaker, our monitored methods have varargs and return types are different so how can we ... as Exception as I have varargs as the last parameter....
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I can read txt file with this code, but when I try to read the txt.gz file of course it doesn't work ... text string contents = blob.DownloadTextAsync().Result; return contents; }...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    i want to change that error messeges to different sentence, how?...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    请求登录接口后端返回了set-cookie axios也设置了 withCredentials: true 这是登录接口返回头 在去调用其他接口请求头里没有cookie...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have these objects in Firebase, call it collection A object1: { name:pencil, status:x, owner:bob} object2: { name:eraser ... it work. Is there a better way to do this? Thanks...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have 4 error messages when I build my app; they appeared when I addded a new dependency (de.westnordost:osmapi-notes:1 ... the correct syntax / group / module that I need to use?...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have been trying to change the pretrained PyTorch Densenet's first conv layer from 3 channels to 4 channels while ... 0. Could you guys please help? Thanks alot! Regards....
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    ` ``` Invalid https.proxyPort '', using default 443 IOException: https://dl.google.com/android...\_list-3.xml java.net.ConnectException: Connection ... 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 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    With %TS it always outputs the fractional part. Is there a way to get rid of the fractional part? find . ... -printf "%TY%Tm%Td-%TH%TM%TS %P " 20200813-133459.6920994010 export.txt...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    就是那种后台系统设计图,像多去看看别人的页面长啥样。因为公司里面系统基本上没有经过UI设计,就非常丑。...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    我想将三个下拉框变成一个组件 初始是没问题的 下拉福州市可以读取接口获取福州市的几个区 然后选区 查到街道 但是直接传值的时候一次性把三个都传进去导致第一个读取了 后面两个被重置了 一个一个 ... code: '', }, ] this.value[value] = '' }, }, } </script> <style scoped> </style>`...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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