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How to add some functionality in my Flutter app?

I am developing a password manager application and want to add some functionality in it but I don't know how to do ... off. How can I achieve this functionality in my application?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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385 views

1 answer

请教一下 Object.defineProperty 的应用场景

除了 vue 的双向数据绑定，这个 api 有更多的应用场景吗？前端 SF 友们都来说说呗，不胜感激...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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389 views

1 answer

solid state drive - Can i Insert an NVME SSD Without NVME Stand And with fans Next to it?

I have a question (I guess you already know it Since you have read the title). My Specsheet Some AMD Threadripper (12 Cores & ... (And i won't get a build in the near future)....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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339 views

1 answer

windows - Remove old big azure devops git files

I am locating all older big git files in my repo using - $ git rev-list --objects --all | git cat-file -- ... I permanently delete old files from my repo so its size is smaller?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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249 views

1 answer

java - Take body of a post http request

Given for example this Post request: Using port: 8080 Using Webroot: /tmp POST /registrazione HTTP/1.1 Content-Type: application ... just the body. Can someone help me to do this?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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503 views

1 answer

Cannot read property 'members' of undefined (discord.js)

I'm trying to create a DM verification system where if a member sends DM to the bot, he gets accepted. .... const ... members.cache.has(authorid) I don't know what the problem is....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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387 views

1 answer

如何获取，输出显示手机gps经纬度，手机电量等信息

...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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207 views

1 answer

javascript - use lodash for iterating the array and filter

I have a function called as getFileterMenus = (menus, filterMenu) => { let filteredMenus = _.filter(menus, menu => menu. ... there any other way to do this than using a loop ?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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181 views

1 answer

java - Multiple one to many in Resultsetextractor

I have 2 one to many relations. How can I insert all 3 classes in resultsetextractor? For an example one student can ... not find subjectid in [studentid] How can I fix this?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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181 views

1 answer

php - PHPMailer - file attachment ERR

i've search here but i didnt find anything that solve the problem... hope someone could help me please.... i'm ... add the attachment i get "Could not access file:" thank you...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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237 views

1 answer

How to store asset Images in cache in flutter

I have some images to show in my application and those images are big in size so I want to store them in ... package and its implementation or even dart code would do). Thanks...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

kafka acks和retries是否会相互作用？

kafka acks=0的时候，producer是不管写入数据是否成功的。那如果这时候我们再去设置retries还有意义么？类似如果acks=0，retries=3，消息发送给broker过程中broker宕机了，这时候是否会自动retry？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

1 answer

vue + elementui 搭建的后台管理系统中，弹窗关闭卡顿问题

弹窗包含form表单元素，点击去掉关闭按钮，遮罩层会先隐藏，然后弹窗会延迟关闭。主要问题场景出现在qq浏览器兼容模式下...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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137 views

1 answer

javascript - I want to make galley in container right side from text and i have a bit of code so it can be responsive

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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350 views

1 answer

python - How to prevent Tensorflow model from returning Nan values on prediction?

I am training a numerical dataset for predicting a particular output and while my training dataset returns the prediction ... Expected Outpute: ~array([[30]], dtype=float32)...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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284 views

1 answer

js 如何把{:curly:2}{:curly:4} 转换成 2个空格( ) 4个空格( )

js 如何ba {:curly:2}{:curly:4} 转换成 2个空格( ) 4个空格( )...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

191 views

1 answer

github自动发布如何保存CNAME文件

GitHub不是有静态托管功能么，就是github pages，然后可以自定义域名，其实就是生成一个CNAME文件然后像是有一些自动发布，比如Travis CI 和 Github Action 然后我我发现有一个共同的问题，自动发布是每次直接覆盖上次的文件，也就是说，每次发布，CNAME都没有了这个问题怎么解决...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

61 views

1 answer

如何修改对象的键

sendcstcode这个键如何修改成sendcstid...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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258 views

1 answer

typescript - What are the types of keys and values of a string enum?

Say, I have a enum like this: export enum Lang { eng = '????', rus = '????', jap = '????', ... { ...but keyof includes all internal Object properties and valueof does not exist....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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563 views

1 answer

python - Dash DataTable filter columns cannot be hidden

I'm using style_data_conditional to hide columns in a data table. Works! But when adding filter_actions='native' the rows will ... , ]) if __name__ == '__main__': app.run_server()...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

419 views

1 answer

使用jquery的ajax方法跨域请求图片，前台无法直接使用？

跨域请求图片的时候，在network的preview预览里可以看到请求的图片，但是控制它console的时候，图片的格式是图中的乱码格式，前台这边无法使用img标签的src直接渲染，请问各位小伙伴，这种情况怎么办，是要用什么方法转一下吗还是？？求助......

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

308 views

1 answer

node.js - Get Data from Firebase Firestore in Cloud Function

I am trying to get data from firestore in functions of firebase Node JS 8. I receive a ... androidNotificationTokenFounder = doc2.data().androidNotificationToken; // and this...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

315 views

1 answer

Get first occurrence of XSLT stylesheet

I have the following code which I use to get the sum of product values. <xsl:for-each select="//fn: ... Item occurrence where the OrderId = 'e7791603-ca5f-47c4-9b0c-acac00ead753'...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

361 views

1 answer

javascript - Custom Grid view using FlatList in Reat Native using json data?

Actually,I want to create a grid view using the FlatList. I have a read lot of solutions they all are creating the view by the ... React.Fragment> ) : null} </View> </Card> ); };...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

202 views

1 answer

python - How do I loop through all the files of a folder and save the the files in dataframe format with their name of the file?

I have some Bson files along with its json metadata in a folder. I want to access all the Bson files(only) ... ] Permission denied: 'C:/Users/Lenovo/Documents/home/ubuntu/dump2020'...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

335 views

1 answer

firefox addon - Append local CSS file to pages matching web paths in Style Editor

Is it possible to append a local CSS file on my desktop, to a page, and edit it via the Firefox Style Editor? I ... file on local disk, and keep it appended after the page reloads....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

257 views

1 answer

Python 处理亿级数据量有什么方案？

最近遇到一个问题，要把2亿多的数据插入到 ES 中。现在的方案是：生成器分段读取文本内容，再对每行内容进行处理，放入到一个列表 ES 方面是循环这个列表，每次取 500 条批量插入到 ES 中以上方案速度巨慢，跑了一两个小时才1900万，不到2000万，请问这种情况有什么好的方案？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

149 views

1 answer

Capturing Pandas aggregation in to Lists

I have a column of data which has datetime and another column which has a numeric field (Length) and I am able to aggregate ... Similarly for mean, max. Is there a way to do it?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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