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1 answer

Google Pub/Sub "A subscription cannot have both message ordering enabled and a dead letter policy configured."

Trying to create a subscription with ordering enabled and a dead letter policy and getting the error: A subscription ... myself when handling a message. That's quite unusable....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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652 views

1 answer

vue 2.0 router-view 内容出现互相嵌套,求帮忙??

效果介绍:Home是主页面, .container子组件是.header和.content 但是在Home.vue里的.container下加了一个router-view后.container下面就多了.container这一套组件并且和父组件一模一样,点击任意一个li就变成了页面2. 不知道哪里错了,求大神指点!!...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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277 views

1 answer

sql - POSTGRESQL convert date to unix timestamp int

I have a table matches with a column deleted_date which is of type date, so its values look like 2020-12-30 right ... deleted_by date values with a new empty 'null' integer var?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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215 views

1 answer

database - Get values from php table wordpress

In short i want to create a simple php if condition $varid = 647569; i want the user_id value in a $variable so ... values in a variable form. Thanks in advance for any suggesions...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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432 views

1 answer

myeclipse2014 导入android项目报错

myeclipse2014 导入android项目报错Unable to resolve target 'android-19' sdk 7.1.1 jdk 1.7 demo地址http://pan.baidu.com/s/1kTFyjCr...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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195 views

1 answer

一个js的面试题

setTimeout(function () { console.log(1); }, 0); new Promise(function executor(resolve) { console.log(2); for (var i = 0; i < 10000; i++) { ... 晰，虽然有些自己的看法，但是觉得走不通，希望能得到各位大神的指点，感谢！...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

277 views

1 answer

原生js的dom操作问题

jquery中的$("ul.list>li")用原生js需要怎么去获取？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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430 views

1 answer

qq音乐请求接口反回歌词特殊字符

就是下面的这样也看不清楚每句的数据结构请问怎么处理 [ti:男孩]
[ar:梁博]
[al:]
[by:]
[offset:0]
[00&#58 ... 86]曲：梁博
[00:03.72]编曲：梁博
[00:04.81]和音：...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

441 views

1 answer

java memcache 过期时间

设置好 key value 和过期时间后怎么样才能修改value的值然后保证过期时间还是在原来的时间后失效呢...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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317 views

1 answer

css 能写出这种框带三角的吗

是这种。外面是一个边框，然后中间是个尖的三角。三角的能写出来，用border，但是边框的线不知道怎么挡住。评论的那些都是不行的。边框那个背景色是随机的。...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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592 views

1 answer

webstrom cpu 占用过高

在 mac 环境的 webstrom，有时会cpu 占用过高，导致好卡该excluded 的文件夹都已经操作了，还有哪些原因可能导致过高的？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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575 views

1 answer

dart - Flutter: DateRangePicker with default material calender design

How to implement DateRangePicker with Default material calender design without using any packages...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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456 views

1 answer

android - How to call function after updating data in room persistence library

This is my function inside viewModel class: fun updateMenu(menu: Menu) = viewModelScope.launch { menuDao.update(menu) / ... after the database is updated. How to achieve this?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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438 views

1 answer

javascript - Is there any way API can be called and the response can be used before in constructor?

I am calling an api using async await and the data returned from this api needs to be passed to one ... the constructor initializes. Can someone please suggest solution for this....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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145 views

1 answer

关于盒模型的疑问？

关于盒子的总高度(w3c模型)有两种说法：一种是上下margin + 上下border + 上下padding + height，一种是上下border + 上下padding + height 我也通过谷歌的盒模型：得知总高度貌似要加上 ... 大小那又是什么的大小？而且如果盒模型的尺寸不包括margin为何下面要选A 感谢大佬指点了 ...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

514 views

1 answer

javascript - How to use a Dynamic Variable to access Scope field - AngularJS

I am trying to have a variable string, and access the matching $scope.field but it is undefined and not returning what I ... ; Is it possible to pass variables, if so how? Thanks!...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

381 views

1 answer

git - How to get remote repo branch added to local repo

newly created - by creating a folder & running the command git init in short creating a local git repo from the ... really like to have this branch on my newly created repository....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

400 views

1 answer

在js中，数组怎么转化为json对象

在js中，数组怎么转化为json对象...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

314 views

1 answer

pyspider爬取了接近1G的数据，无法导出csv？

已经增加虚拟机内存至2g，依然无法导出。...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

319 views

1 answer

arrays - How to convert a string into individual letters char in c

I'm trying to run an isalpha check on an entered string but the issue is, that isalpha works only for individual ... check on my string before I continue to the actual function?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

383 views

1 answer

textarea标签中如何增加tab快捷键？

自己用textarea实现一个markdown编辑器，没有tab缩进快捷键，请问如何添加...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

328 views

1 answer

Vue过渡效果问题

要模仿的效果（能实现点击下拉过渡效果即可）我的效果：为什么点击之后子菜单不能跟着过渡我的代码： <!DOCTYPE html> <html> <head> <meta charset="utf-8"> < ... test () { this.show = !this.show; } } }); </script> </body> </html>...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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396 views

1 answer

如何将lua目录下的文件（`kafka/*`）全部引入环境里面?

请教个问题：如何将lua目录下的文件（kafka/*）全部引入环境里面？只知道下面这种方法 package.path = package.path..';lua/?.lua'...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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608 views

1 answer

Vue子组件接收父组件传来的数据，之后console.log显示 [__ob__: Observer]，请问代码哪里出错了？

第一次加载的时候会正常显示，如图刷新以后就会编程这样子子组件中的代码如下 export default{ data() { return{ } }, props: { sourceData: Array }, mounted: ... stackoverflow.com/ques...，但看的不是很懂，请问有大佬能解释下为什么会出现这种情况吗...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

383 views

1 answer

Python Scrapy - Attaching log files but in zipped format

We start several crawlers. If 1 hits an error then an email is sent. The problem is that the log is ... else: logging.exception("exception occured while starting the spider.")...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

873 views

1 answer

routes - Discord.js Add Role with Express | Cannot read property 'add' of undefined

app.get('/whitelist/*', function(req, res) { var fullUrl = req.originalUrl.replace('/whitelist/', ''); ... the following error: TypeError: Cannot read property 'add' of undefined...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

540 views

1 answer

webstorm这个软件快速创建元素标签的一些语法，谁能提供一下资料？不是常用快捷键哦

不是常用快捷键哦，而是创建元素的快捷操作，比如创建6个li元素，是li*6之后按tab键，就可以生成了，还有其他的快捷语法吧，我刚刚百度了，但是都是出现了常用的快捷键而已，没看到创建元素的快捷语法...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

157 views

1 answer

javascript - Sorting array of objects in EJS

I am finding trouble in sorting an array of objects in EJS (sent from the server in Node.js). The array of objects ... parseFloat(b.school); }); loadTableData(data); } </script>...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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