Recent questions in Technique[技术]

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microprocessors - Why I only get 6 pulses from TImer0 Interrupts?

I only get, from the interrupts, 6 pulses in RA2 (LED). the signal should be a pulsetrain (one pulse every seccond). Here is the code and a pic from the simulation pulses comming from RA2 ... = 128; S = S+1; LED = 1; LED = 0; T0IE = 1; } }...

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

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1.0k views

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elementui table fixed列checkbox点击时抖动

1.chrome53上会出现 2.经自己排查，在点击checkbox的时候，fixed容器的position会重置到0,0的位置，然后再恢复，导致了抖动，不fixed的列不会出现 3.前提是给table组件设置了固定高度（以满足固定表头），然后内容出现滚动（没滚动的时候是不会抖的，原理如第二条所述）以上，求指点，急急急~...

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

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285 views

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google apps script - Need to get variable from static to dynamic

How can I get line 4 to be dynamic here? I want it to change based off how many rows are filled out. I have a cell in the spreadsheet (a52), that ... ); sheet.getRange(startRow + i, 21).setValue(EMAIL_SENT); SpreadsheetApp.flush(); } } }...

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

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610 views

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css 设置文字背景色，会整行显示，怎么样才能根据文字长短显示背景色？

如图所示，用background-color:#F7EAC3; 或background:#F7EAC3; ，都会整行显示背景色，我想要的是文字背景色，因为后面可能会更改文字，文字长短不一定，所以没有设定文字的width属性，请问怎么在不设定文字width属性的情况下，让背景色根据文字长短显示？...

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

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138 views

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(discord.js) How to set a time limit on a command?

I am trying to make a Judge bot for my server that will give the person who used the command the role "Plaintiff", and give the person that they ... setTimeout(function(){ member1.roles.remove("797738617338069002"); }, 850000); } });...

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

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71 views

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ios - ReactiveSwift one vs multiple signal subscriptions and related memory overhead

I have a simple signal, in one of the app components, that returns an array of items: var itemsSignal: Signal<[Item], Never> Those items might contain ... use ReactiveSwift, but I think this is relevant for other Rx libraries as well....

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

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147 views

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javascript - How to reformat object using its property value as property key?

how can I assign object property value as property key? I have a set of data: const mydata = [ { "id": 001, "value": "Value 1", "title": "Title 1" }, ... , it seems not working. Any idea how can I reformat it to the one I desire? Thanks....

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

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142 views

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javascript on form option to pass two values, one for hidden/visible functionality, the second for the data-value

I'm working with a form which displays the relevant next input box based on the selected value. I have the code working using value="0" and adding up per row. <option value="4"> ... 'none'}); } $('#sel2_'+ch).css({'display':'block'}); } });...

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

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142 views

1 answer

javascript - gulp concatenate multiple js files but dependency path cause error

I am using Nodejs- v12.9.0 & gulp-4.0.2 I am concatenating all my js files from root & src directory in to a single file dist/src/allJs.js. Problem: the dependent ... ) .pipe(concat('allJs.js')) .pipe(terser()) .pipe(dest('dist/src')); }...

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

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358 views

1 answer

ng-zorro的toolTip组件问题

zorro库的toolTip组件的show/hide方法如何使用呢，在官方文档找不到示例...

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

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219 views

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flutter - Can't decode/Parse Json type list<String> with this list<String> type Model in Dart

I wanted to create a drop down from json list. I am using app.quicktype.io to covert json to PODO (Plain Old dart Object) Here is the My JSON data: [ { " ... "], ); Map<String, dynamic> toJson() => { "state_name": stateName, }; }...

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

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451 views

1 answer

laravel 使用工厂函数填充数据，假数据的数量不一致

UserFactory $factory->define(User::class, function (Faker $faker) { $date_time = $faker->date . ' ' . $faker->time; return [ 'name' => $faker->name, 'email' => $faker->unique( ... toArray()); 数据库中user却有10条数据？ App\User::all()->count(); // 10...

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

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285 views

1 answer

Iterate an array using Jquery

I am trying to loop through an array. My array is as follows: reasonSaved= [Type[Id=51327, code=TEE, text=Testing, updatedBy=PRO, updatedId=2345, updatedDate=2021-01 ... data out of the array. Can some one lead me in the right path please?...

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

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224 views

1 answer

c# - Linq query to get nested category in json response

I have a table which I have column: Id Name Description ParentId CreationDate ModificationDate enter image description here Currently I am getting data as ... category subcategory. I want identifier so that it can easily identify....

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

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210 views

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是否有可能在小程序中使用 material-ui？

当前跨端方案十分丰富，但是都多少受限于小程序底层，无法把 Web 端模块直接挪过来用。公司很多系统的前端是基于 material-ui 制作的，是否有可能在小程序中也使用 material-ui 做开发？...

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

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316 views

1 answer

Dropbox API with PHP get content of file in Dropbox

I have a WebApp that stores a backup in the cloud of the user. I use the third party libary: http://fabi.me/en/php-projects/dropphp-dropbox-api-client/ Login ... the file only in a string and not as file. The data shouldn't be stored....

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

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443 views

1 answer

firebase - Counting unique post view by uid

I am trying to build a mobile app which has a NewsBulletin feature using a NoSQL Cloud Firestore. I am trying to get the unique post view ... (Document) -newsTitle -posterName -bodyMessage -timeCreated -views(array) -dummyuid1 -dummyuid2...

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

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376 views

1 answer

asp.net mvc - How to created custom TexboxFor?

I have a textbox that insert only number and add comma separator in it. I use this code in view @Html.TextBoxFor(m => m.TurnRatingCost, null, new { @class = ... }) it is ok, but i want to convert this to custom TextboxFor with htmlHelper ....

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

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449 views

1 answer

ggplot2 - How to add extra major grid lines in ggplot in R

I have the following dataset: Simple feature collection with 6 features and 2 fields geometry type: MULTIPOLYGON dimension: XY bbox: xmin: -2486022 ymin: -1025641 xmax: ... to use breaks but that did not work. Can anyone help me out here?...

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

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501 views

1 answer

try catch里加outer: 是什么操作

看preact源码src/diff/index.js 75行有一个outer: 不知道是什么意思...

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

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142 views

1 answer

Mattermost command not found

I have installed mattermost, but cannot use it with the terminal. I also got "mattermost: command not found". The files are standard unter /opt/mattermost Also ... or /opt/mattermost/bin it is also not working. Has anyone an idea?...

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

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364 views

1 answer

json - how i fetch all the datta from server

StringRequest stringRequest = new StringRequest(Request.Method.POST, url, new Response.Listener() { @Override public void onResponse(String response) { progressDialog. ... .toString()); return params; } }; requestQueue.add(stringRequest);...

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

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430 views

1 answer

如何给element的表格监听键盘事件？

想实现一个效果，选中的那行表格可以通过方向的上下键来切换。...

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

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774 views

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animation - Fluid Domain is Visible and already formed in Blender

Wireframe Snapshot Normal Snapshot As the other tutorial goes, their fluid domain forms as the fluid flows with time, but in case of mine I start with a cube ... can see in the attached photo. (Latest version of Blender) Thanks in advance....

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

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410 views

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ByteArray convert to String with UTF-8 charset in kotlin problem

i have a little confused // default charset utf8 val bytes = byteArrayOf(78, 23, 41, 51, -32, 42) val str = String(bytes) // there i got array [78, ... ) i put random value into the bytes property, for some reason. why is it inconsistent???...

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

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294 views

1 answer

react hooks 搜索功能分页功能，有重复请求，帮忙指点指点。

import React, { useReducer, useEffect } from 'react' import { View, Text, hideLoading } from 'remax/wechat'; import { usePageEvent } from 'remax/macro'; import { Loading, Cell, ... sm"> <Loading type="wave" /> </View> ) } </View> ); };...

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

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221 views

1 answer

java - Cant gain acces to url with role ADMIN spring security

I have a problem with spring security because i dont get a access to url with role admin when i am logged on site this is mine security config @Configuration ... why ? https://github.com/Conrado1212/Electrical-Rent-App here is my fulll code...

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

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569 views

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Getting error action_request_validation_exception while mapping new field in already exist Elasticsearch index

I am trying to add a new field to my already exist Elasticsearch index but I'm getting the below exception: { "type": "action_request_validation_exception", "reason": "Validation ... _mapping { "properties": { "title": { "type": "text"} } }...

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

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