Recent questions in Technique[技术]

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AFNetWorking 做网络请求的一个问题。

manager.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@"text/html"]; 这段代码是什么意思？...

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

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278 views

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Redis队列问题？

首先描述一下我的使用场景: 有一张mysql数据表call_records用于存储通话录音相关信息，我需要加一个定时任务，假设每5分钟执行一次任务脚本，脚本的作用是将录音的资源文件上传到七牛云，上传完成后将上传完的地址更新到 ... 20个其中有部分失败了，第二次上传的时候我该从什么mysql什么位置开始查找数据，而不包含redis里面失败的任务....

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

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129 views

1 answer

css宽度自适应

我想实现上图中的宽度自适应，怎么弄？可能有多个，最多7个...

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

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445 views

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js数组有forEach的遍历方法，能不能给json对象也写一个这样的方法方便遍历？

如题。。。。。。。。。。。。。。。。...

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

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318 views

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php - Why last row deleted when refresh page in wordpress

When I refresh page table row deleted and last query deleted when I click on any delete button of other row. Why is ... "success"; } } error screenshot - https://prnt.sc/wdg3xv...

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

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214 views

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How to get the list of "friends" of a suspended Twitter account

I'm trying to make an app to help people recover the list of "friends" they used to follow after their Twitter account has ... -twitter). Is it possible to look this up in any way?...

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

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699 views

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cordova如何配置自己的域名外其他的链接都调用浏览器打开啊？

我不希望在我的app内部打开...

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

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404 views

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linter-eslint报错

在express项目中配置eslint 使用linter-eslint插件格式化代码时报错 Cannot read config file: /....../node_modules/.3.16.1@eslint/conf/eslint- ... "mocha": true, "browser": false, "es6": true, }, }...

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

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input file 选择文件，连续点击会连续多次弹出文件选择框。

我用input file 选择图片上传，但是input file 有时候点击后反应很慢，而且连续点击后会连续多次弹出文件选择框。我想过点击是禁用input file 选择完解开禁用，但是如果用户直接取消，那么就无法兼听到。不知道有没有办法。...

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

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414 views

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vue.js - vue-bootstrap-datetimepicker input typing permission block without disabled & readonly

I'm using vue-bootstrap-datetimepicker in my project. It's works fine. But I faced an error in this picker ... (picker functionalities do not trigger) Is there a better solution?...

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

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379 views

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几个概念的理解

大神们，有没有人有空给我，解释个概念，中间件，网构软件，软件体系结构？？？？最好给个例子，概念看了好几遍，懵逼！！...

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

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Gstreamer is unable to play videos

I ran the command. I have an ubuntu 18 running on arm64 with an external monitor connected to nvidia jetson xavier. ... .. Setting pipeline to PLAYING ... New clock: GstSystemClock...

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

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319 views

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<video>宽高设1然后播放展开的问题?

参考别人的把video宽高先设1,然后播放之后展开全屏...但是实际我这边效果会先空白,然后展开全屏???不知道怎么回事? <div>封面 <video id="media" src="/static/33.mp4" webkit-playsinline ... 后播放,中间会先一闪白屏,那个video高只要三分之一吧大概,然后一会才跳全屏??不知道扎回事?...

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

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448 views

1 answer

html - Aligned Two Tier Nav Bar

I'd like to build a navigation like below, with two layers which are aligned, and all items in the navbar ... you could provide some example code that would be greatly appreciated!...

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

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532 views

1 answer

sass文件中引入了字体文件，但使用url-loader无法打包字体文件

在一个scss的文件中引入了字体文件，然后使用sass-loader处理这个scss文件时候，webpack无法打包引入的字体文件。对于scss文件使用了sass-loader，对于字体类文件使用了url-loader，但webpack还是报错...

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

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150 views

1 answer

ES6的对象中函数书写方法?

我看到有种是这样写 a = { x: '', y: '', z () { return 'this z' } } 这种写法正规的叫法是什么?有没有特别要注意的地方? 还有就是JS是加;号好还是不加好? eslint默认是不加;号,难道不加要好吗?...

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

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722 views

1 answer

android - Error: EACCES: permission denied, open ‘/jitsiFramework/jitsi-meet/lib-jitsi-meet/lib-jitsi-meet.e2ee-worker.js’

Trying to build the jitsi framework in linux machine getting issues I am using sudo user so had full access of machine and ... ' failed Kindly Help me on this , Thanks in advance!...

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

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350 views

1 answer

wait()，notify(),notifyAll() T2 start! T2 end! T1 start! 为什么会阻塞

public class Thread04 { final Object object = new Object(); Runnable rb4 = new Runnable() { public void run(){ synchronized ( ... rb4).start(); new Thread(th.rb5).start(); } }...

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

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1.1k views

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bluetooth - Flutter Blue Sending Quite Large File from BLE device to App

I need to send a file .txt from a device to my app (worst case almost 2mb). The BLE device divide the ... reading, waiting for characteristic.write to finish)? Thank you guys...

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

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530 views

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VUE computed 做的省市区三级联动，修改时该怎么写

当第一级选择后才会渲染出第二级第三级同样但是现在我要一上来就去加载好三个级别并且可以修改 2.下面是代码 address2 = new Vue({ el: "#provincial2", data: { address2: "", selected12: ... 然后把第三级加载出来然后修改第三级的地址刚入行的菜鸟非常业余第一次问问题= =...

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

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306 views

1 answer

Scrapy+phantonjs 爬去速度过慢？

scrapy 运行日志 **************ProxyMiddleware not pass************171.38.66.23:9999 2017-01-26 23:05:38 [ ... ) 每次执行到selenium.webdriver.remote.remote_connection 都会卡上20s，请问这是为什么？...

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

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467 views

1 answer

shell - Find rows in a file which doesnt contain a string and add text at start of it

I have data in below format in a file. name,path:A:B loc:D name,for:B:C I need to add " ," (space + comma ) ... of lines which doesnt contain , but I am not able to add at start ....

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

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577 views

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r - Recognition and conversion of birth dates into ages

When I read an excel file in R, a column of birth dates has some of its values converted to 5-digit integers (e.g. ... Female 64 1979-01-28 5 Melinda Hadlee Female 34 1965-09-21...

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

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542 views

1 answer

sql server - Debug a stored procedure call coming from outside SSDT?

Is it possible to place a breakpoint inside a stored procedure and the next time the stored procedure is called from ... a stored procedure and debug the called procedure in SSDT?...

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

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1.4k views

1 answer

reactjs - How do I change the position of dropdown icon (arrow) in material-ui select?

I'm using material-ui select and I want to put the dropdown icon (arrow) at left (before text). How to achieve ... how to disable the effect on the arrow, would be appreciated....

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

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422 views

1 answer

如何将MYSQL数据写入EXCEL且不覆盖原有内容

用什么方法比较好...

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

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893 views

1 answer

node.js - mongoose findOne returns undefined

I have a method "GenerateTokenString()" that generates a random key after creating the key i passed it to a function IsTokenExists ... catch(err=>{ console.log(err) return err }) }...

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

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185 views

1 answer

Get URL of error stacktrace page (on Jenkins web server) of each failed test case

In Jenkins job pipeline (implemented as Jenkins shared library), I am running PyTest for testing and then generating a JUnit ... . Is there any standard way to get all these URLs?...

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

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