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Recent questions
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linux - : not a valid identifier bash export says
I am trying to run hadoop .I tried these steps -bash: export: `HADOOP_OPTS-Djava.library.path=/home/hdoop/ ... -hadoop-ubuntu on running source ~/.bashrc getting following error...
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go构建约束问题,Build constraints exclude all Go files in ?
set GO111MODULE=on set GOARCH=amd64 set GOBIN= set GOCACHE=C:Users38114AppDataLocalgo-build set GOENV=C: ... build025999686=/tmp/go-build -gno-record-gcc-switches...
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go构建约束问题,Build
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请问next.js在getStaticProps里怎样获取路由参数
在首页进行搜索时,带参跳到搜索页,在搜索页需要知道搜索的内容,然后通过内容进行数据获取,但是在getStaticProps里无法获取路由参数,这时是在node环境里运行的...
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c#写入excel数据。
c#写入数据到excel中,但是excel中的数据都是0,或者是n/a 哪里有问题...
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c# - Identityserver4 client can't reach the server in anonymous
I have a little problem. We have an intranet network. ASP.net Core and IdentityServer4. You can log in with ... login. In Startup.cs, AutomaticAuthentication is set to false....
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window.location.href是同步还是异步?
代码: $("button").on("click",function() { //跳转的链接写为同源地址,方便查看localStorage来测试跳转后的代码是否执行 window.location.href='http://127.0.0.1/ ... 有能帮忙解答下吗 window.location.href是同步还是异步,执行机制是怎样的 感谢~~...
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mongodb密码设置的问题
由于没有设置密码,我的mongodb被黑了好几次。 我用的django连接的mongodb,我想问各位大侠,如果我的BindIP设置为我的内网ip,那我还用设置密码么?...
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excel - When Cells match with certain columns in a table, do X
Because I'm a big noob at VBA I can't seem to get this problem solved. I have the following problem: I have an ... Next Else MsgBox "Negative result" End If Next Next Next End Sub...
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flutter - How I achieve the following layout
I want build the layout that provided in the image and I had done that but I want Play all button also able ... builder throughout the whole screen. How I make that scrollable too...
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node.js - how to connect ajv-errors library to my project?
I know it must be simple, but I cant figure out how to import ajv module with ajv-errors. This is a standart ... in this picture npmjs where is the errorMessages at ajv instance ?...
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r - Annotate plot with text left to y axis title
Hello everyone and happy new year !!! I would need help in order to improve a ggplot figure. df1 <- structure(list(x ... ) and Element3 (4 box) the result should be something like:...
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php正则提取html问题,当div有多个class时怎么提取指定类名的div标签里的内容?
$str = '<div class="dets lined">qwe<span>666</span></div><div class="cnma putys">123<font>name</font></div><div ... preg_match_all($regex,$str1,$arr); print_r($arr); 怎么才能准确提取内容?...
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django - best practice to add/remove single objects from a many to many field via generic api view
So I have a view like this class MemberRolePutDeleteView(MultipleFieldMixin, PutDeleteAPIView): """ An API view to create member- ... please help me to do the same? thanks a lot!...
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java - Save ReadableByteChannel as PNG
I have a ReadableByteChannel which contains an image (either obtained from an URL or a file). I write the Channel ... tell ImageIO to get rid of the AlphaChannel (=transparent)?...
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linux - IMA fails to detect existing TPM eventhough it exists and functions correctly
I'm currently trying to perform integrity measurement using a TPM (SLB 9670) on a Raspberry Pi 3 model B+. I ... (__bcm2835_clk_driver_init); But it still didn't work. Please help!...
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vue上传文件出现It does not have HTTP ok status
Access to XMLHttpRequest at 'XXcom/tie/upload' from origin 'http://localhost:8080' has been blocked by CORS policy: Response to ... check: It does not have HTTP ok status. 这是啥问题...
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azure - Apache Ignite 2.9.0 Recover from lost partitions
We have setup a apache ignite 2.9.0 cluster with native persistence using kubernetes in Azure with 4 nodes. To update ... its occuring?We could not find any logs related to this....
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百度的这种随机目录是如何动态生成布局?
vue获取到20条数据,如何平分展示?...
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Jan 27, 2021
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How can I get the SUM of the MAX value of each ROW in a single cell formula?
I have the following array of data in cells B2:E10. I want to find the sum of the maximum values in each row of the array ... (which may be very simple, and I just can't see it!)....
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476
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Escape or Ignore Postman Variables
I'm trying to send the following (literal) text in a request body in Postman: { "message": "Hi {{USERNAME}} ... anything useful for my problem, so any help would be appreciated....
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Escape
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javascript - How to convert date values to number of days
I am trying to add days to a date. I am taking input from the user where I have separate input boxes for the each ... great. also sorry for my English. I'm not a native speaker....
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javascript - Create show more effect using overflow ellipsis Angular 7
I have tried to display a string array. I want to set up show more effect using an ellipsis. I have the following code ... the 3 dots(click/mouseover) How to do this. any idea?...
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javascript - How do i add more slideshows in template?
I've tried adding "mySlides3" but it doesnt work.. here is my template....
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TO change a single row filed to 1 and all other to zero codeigniter
can any one please provide the codeigniter equivalent of this above code UPDATE table SET 'status_field'=IF(id=4, 1, 0) ... the specified row (with id=4) sets the status_field to 1...
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TO
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vue二维码扫描把当前用户数据传给注册页面
这种写法,我扫描直接undefined,也许是因为我还没有上传服务器,所以扫不出来 手机扫出来是这样的: http://192.168.3.159:8877/register?name=undefined&code=undefined 我二维码页面写的是这样子 ... ////////////////// [凯迪Wen]说的写法,用上后就只会放大了 ...
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gulp如何改变js引入scss的路径(寻找最佳实践)
别问我为啥不用webpack,别问我为啥不用webpack,别问我为啥不用webpack 回归正题 上代码 src 目录是这样的 我的js 引入了 xxx.scss 用gulp把 scss 转成css 没啥问题 已经研究好了 打包出来后的目录如 ... xxx.css 实在不想再去写个啥babel 改js...最好有点第三方库 随便来几行代码就搞定了...
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process - java-processing floating point rounding error, how to keep radians rational
I have modified this arcball class so that every call to arcball.rollforward(PI/180); rotates a matrix 1 degree. I ... edit this later to work with rotations other then 1 degree }...
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spring boot程序频繁 GC (Allocation Failure)
问题描述 项目中想将日志打印统一格式,所以针对controller层或者service层统一记录入参和出参,以及耗时时间 使用的技术是spring boot aop拦截器,拦截切面针对自定义注解,注解有自身的 ... [Times: user=0.04 sys=0.00, real=0.00 secs] 使用VisualVM 平均22秒进行一次GC...
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