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python 3.x - UWSGI error with PCRE Ubuntu 20.04 error while loading shared libraries: libpcre.so.1:

I run through the following steps to attempt to start up an app for production: -Setup a virtualenv for the python dependencies: ... Thanks. I'm on Ubuntu 20.04, using python 3.8....

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

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java - Jackson exception handling - How to get all unmapped fields

The question is about correct handling of type miss matching in the json input. So, I have simple class class Entity { ... an exception with all these errors at the end of parsing....

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

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treeview - Why I don't get any drag and drop signals in a Gtk.TreeeView? (python + glade)

I have a TreeView whose rows are reorderable. When I drag and drop a row, it moves appropiately but I don't get any signal ... Main() Gtk.main() if __name__ == '__main__': main()...

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

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r - How to write to csv files using specific column data from txt files using loop in python?

I have 167 (genes) X 26 (population) files with data as follows in each file. (Number of columns in each file is ... my first time using R. Is it possible to attach some files?...

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

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Macro inside enum in C

While trying to write a macro inside an enum, in C. We have to sometimes write name of macro, above macro ... invalid. Why is this happening, can anyone explain, please ?...

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

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Could not read input channel file descriptors from parcel.崩溃怎么解决

java.lang.RuntimeException: Could not read input channel file descriptors from parcel. android.view.InputChannel. ... :687) dalvik.system.NativeStart.main(Native Method)...

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

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session的默认过期时间30分命，指的是距创建该session30分钟，还是距最后一次访问该session30分钟？

那一个呢？不知道...

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

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testing - wiremock to mock public backend response

I am testing on an app that is making calls to a public backend. I want to use wiremock to mock reponses ... map localhost requests to real backends or mock responses to localhost....

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

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node.js - Webpack keeps on creating dist folder?

I'm working on server side coding using Node.js. I've noticed Webpack (I think) is randomly creating dist folder ... dist folders are auto generated and the purpose of it? Thanks....

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

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rdf - Need an algorithm to compute all possible inferences

I am making a static RDFS-Plus inference engine. I have written a function that will make the appropriate ... this just gibberish? I would really appreciate some insight....

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

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javascript - Electron-notarize failing to sign binaries

So I've been trying to sign my application for mac os for about a week now to no avail. I've settled on using ... security.device.audio-input</key> <true/> </dict> </plist>...

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

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使用scrapy的时候，循环为什么只能获取第一页的

class OnlineSpider(scrapy.Spider): name = "online" allowed_domains = ["www.onlinedown.net"] start_urls = ['http://www.onlinedown.net/new/ ... self.parse) 每页是35条，结果是105条这是为什么呢 ...

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

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微博登录不跳转

微博的第三方登录一直停留在微博登录的页面点击确认会弹出登录中但是一直登录不上去没有跳转。会是什么原因？...

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

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pyspider链接redis时可以切换到其他的db么，默认时db0

配置文件里是这样写的："message_queue": "redis://127.0.0.1:6379/db"。这样默认链接的是db0，我想切换到db9，应该怎么做呢，我在后面直接改成db9，默认还是db0啊。。。...

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

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js如何优雅的处理低位在前，高位在后的数据？

如题在和硬件设备的交互过程中，收到硬件传递回来的一个16进制的数字，低位在前，高位在后，如何优雅的解析为正确的10进制数据呢 //举例 16进制的一个数据 var num=0x12345678 //因为低位在前，高位在后，正确解 ... 后通过for循环调换前后顺序，最后parseInt转换为10进制，实现了目的，直觉这个方式肯定不合理，求更标准的做法思路...

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

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flowtype - wrap children for react component which has children restricted to certain types

I have a component that I restricted to have certain types of children using flow types. However, now I have several ... but exists in `ItemProps` [3] in property `props`....

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

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服务器上的C盘空间不足，该怎么正确扩容？

很早之前的服务器，WindowsServer2003的，之前c盘只分配了30G，D盘200G+ 现在系统C盘系统盘可用空间0，能删的东西都删了。因为是远程的，上面还跑着网站，代码放在D盘，如何在保证系统不宕机的情况下，把D盘的空间分一部分给C盘？目前的想法是新建一个分区E，把D盘的内容拷贝进去，把D盘格式化后和C盘合并，E盘改为D，请问这样做可行吗？...

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

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Adobe AEM Querybuilder Debugger - Multiple Paths and Multiple Nodenames

I am using querybuilder debugger and want to do a search where "nodename=.pdf OR nodename=.doc*" and "path=/content/dam ... .pdf group.4_path=/content/dam/2 p.limit=-1 orderby=path...

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

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amazon web services - AWS Amplify - Does it run PHP scripts?

My website has a contact us page with a HTML form that submit POST's to a local PHP script that uses PHPMailer to ... a question on their forum here, but have gotten no response....

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

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springcloud 授权认证的问题？

在springcloud微服务架构中，用户的授权认证是统一在网关处做校验呢？还是每个微服务都要做校验处理看了网上的很多文章，一般都是用户请求时携带登录时生成的token,然后网关服务只对该请求判断有没有携带token,如果没有就提示 ... 有权限操作（可以解析token中用户的uid,然后调用数据库查询是否有该权限），有就直接放行这样不简单多了吗？...

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

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npm init webpack *** 报 command not found: create-webpack

需要将Vue cli项目转化为SSR服务端渲染，在初始化项目运行 npm init webpack *** 时直接报 command not found: create-webpack 请问有没有哪位大哥知道是什么原因啊？怎么解决？万分感谢...

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

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Why is R adding an extra row when converting characters to dates

I am converting a vector of character data types to date data types in R using strptime. When I used sapply to check the data ... [1][2] [1] NA Thanks in advance for any help....

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

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生产环境中，面向用户的app请求来时网关超时设为多大比较合理

生产环境中，面向用户的app请求来时网关超时设为多大比较合理,超时之后熔断给用户返回超时警告或者默认值、页面内部服务之间的调用超时呢?...

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

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392 views

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elemen table height固定表头 +el-scrollbar。

<el-scrollbar style="width:100%;height:100%"> <el-table border @row-click="tableRow" height="100" tooltip-effect="dark" :header-cell-style="{ ... 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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flutter如何修改bottomSheet的层叠顺序

我希望实现这样的布局，但是flutter的bottomsheet跟body不在一级...

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

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JavaScript里，什么时候回调函数可以这么写？

源代码 function getCurrentTabId(callback) { chrome.tabs.query({active: true, currentWindow: true}, function(tabs) { if(callback) callback(tabs. ... ) { alert( "[" + tc + "]"); };...

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

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关于wordpressp的php开发调用tinymce 编辑器，但可视模式下不能写。

关于wp的调用tinymce 编辑器可视模式下不能写 layer.open(content:#("infoupdate"),} 只写了关键部分 <?php wp_editor('','content',array()...) ?> 最终页就是这样， ... 写了怀疑是content这个id重复，但这个没有想到什么好的方法来更改用过cookie,但不成功...

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

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一个算法的输出问题问题

题目的意思是子节点需要用()来包裹举例来说，二叉树[root,left,right]，则转换为root(left)(right) 如果只有left为空节点，则输出root()(right)；如果只有right为空节点则可以忽略右节点的()，输出为root ... ，中的值是任意的但存入了字符后就可以确定了，为什么会出现这种情况呢？ ,希望指点一下;...

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

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