OStack Q&A-Knowledge Sharing Community

0 votes

204 views

1 answer

### 问题描述想知道如何在以下场景中正确的使用LocalDateTime/LocalDate/LocalTime 项目前不久升级到Java8了, 新的业务模块都是采用Java8的语法或者API来实现, 比如Date这个对象, 在Java8中, ... 使用LocalDateTime编程感觉有些许水土不服 , 不知道各位有无方法能帮助一下我, 感谢!...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

212 views

1 answer

js 如何判断是否是ios设备？

这段代码有什么问题一直提示括号不匹配？ var isiOS = !!u.match(/(i[^;]+;( U;)? CPU.+Mac OS X/);...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

162 views

1 answer

求指点nodejs用request大量发送post总是出现ETIMEDOUT

因为业务问题需要一直查询数据库发送post给各个网站，然后明明对方网站能ping通，能访问，但是总是报超时连接错误，有没有大佬原因帮忙看看，愿意付费入口 const db = require('./db/ ... function(err, rows, fields){ if(err){ rej(err); } res(rows); }) }) }, }...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

174 views

1 answer

regex - How to prevent texts next to closed html tags using c#

To be as short as possible, I need to fetch plain text from HTML. Already researched a lot on the web, but non of ... next to the closed HTML element. Is there any way? Thanks....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

232 views

1 answer

DolphinDB C++ API 编译报错对‘SSL_CTX_free’未定义的引用

我根据教程在linux操作系统上使用DolphinDB C++ API 编译main.cpp的时候遇到这个问题: g++ main.cpp -std=c++11 -DLINUX -D_GLIBCXX_USE_CXX11_ABI=1 - ... /ABI0 -o main 依然报的一样的错误，C++API是今天刚从GitHub下载下来的...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

184 views

1 answer

return 数据无法到函数上

如上图，为什么箭头函数中return不到最终函数呢？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

255 views

1 answer

vue-cli4创建的项目中,静态图片无法显示

前言对你来说,问题不难;所以请坚持看完众人拾材火焰高,大胆给出你的想法,错了没关系,主要是要用 "路" 给出解决方法也行，能有理有据更好 ` 问题描述 TabBarItem 是自定组件;TabBarItem中有一个img标 ... 了没关系,主要是要用 "路" 给出解决方法也行，能有理有据更好 reference vue-cli HTML和静态资源处理...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

228 views

1 answer

python - Improve performance of events duration computation

I have a Pandas DataFrame that looks like that: ipdb> df[:4] name thread_id state time uuid 0 CB:Component_Loc 829946510 1 ... 0 minus time when state = 1) for each uuid. Thanks!...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

246 views

1 answer

在这能有机会得到一个前端大师成为我的mentor吗

没有具体的问题. 之前学习过Vue,能写一些页面了. 因目前在学习React,因项目时间紧.想快速学习进入状态. 但是有一些概念性问题或者逻辑的理解不是到位. 如果每个问题拿出来问问题,又显得太琐碎. 同时对前端这些还是挺感兴趣的.所以未来还有不少问题和困难. 希望在这能找一位mentor. 可能你的三言二语就能帮助我尽快入门. 哪位兄弟姐妹可以帮忙吗?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

318 views

1 answer

javascript - Mongoose updateOne() going through okay but not updating

I have this request: // PUT that updates a user. router.put('/api/user/:id', async (req: Request, res: ... was using parameters to send the request. Thanks everyone for the help!...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

334 views

1 answer

node中readFile和writeFile的执行顺序

fs.readFile('./test.txt',(err,data)=>{ console.log('读取成功'); }) fs.writeFile('./test.txt','测试',(obj)=>{ console.log('写入 ... 运行会发现writeFile是异步执行的，但是为什么每次都是执行完writeFile再执行readFile~~~~...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

334 views

1 answer

Spring Boot Security many connections open after just configuration

Hello my app is deployed into Heroku which has limited number of database connections (20). This is why I need to ... Thank you in advance. BEST ANSWER WILL BE MARKED AS ACCEPTED!...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

366 views

1 answer

浏览器检查网站的时候：框架，扩展脚本，blob是什么？

我在使用浏览器的检查功能时候：我们知道，一个网站的资源，可包括： html页面+css样式文件+js脚本+图片这截屏里面对应的就是：文稿+样式表+脚本+图像那么其它的信息是什么呢（比如：框架，扩展脚本，blob）？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

342 views

1 answer

javascript - Why is the voiceschanged event fired on page load?

In Chrome, the voiceschanged is firing on page load, so I don't need to call the function that has speechSynthesis ... () method has changed (when the voiceschanged event fires.)...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

437 views

1 answer

django中app模块找不到

环境介绍 django verison=3.13, python version=3.9.0 因为要使用多个app，遂在项目目录下创建了apps这个文件夹放置其他app，在settings.py中也添加了系统路径，但问题就在这里，如下： ... 很正常的启动了疑问??? 有没有人遇到这个问题的？Pathlib在被django解析的时候出问题了？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

362 views

1 answer

electron在Mac OS下怎样实现下图效果?

我想要在Mac OS下实现绿色边框包裹全屏幕的效果，通过设置窗口尺寸等于屏幕的尺寸，只能把状态栏下方包进去，怎样才能把状态栏一块包进去?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

511 views

1 answer

windows安装pybluez报错

刚刚去微软官网看了看，原来是新版windows sdk把他删了，但是这样包都无法安装了，只能去改源代码了删除了 irprops.lib 在此版本中，我们从 Windows SDK ... \VC\Tools\MSVC\14.28.29333\bin\HostX86\x64\link.exe' failed with exit status 1181...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

525 views

1 answer

Flutter is using provider to load data is the right option?

So i have a situation where i make an request from the server for one widget. The widget is at the home page, lets ... the app reload or request data every time from db with cash...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

557 views

1 answer

unity3d - Capsule collider effect for a custom kinematic player controller script

I am making a 2d platformer and I built my own script for player controller using raycasts. the player moves by using ... thankful for any ideas on how to implement such a script....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

613 views

1 answer

c++ - How to set tab based cookies in WebView2?

How can I set a cookie which would be applicable for just a specific tab in the browser ? Chrome keeps cookies separated for ... but i want to do that for every tab in normal mode....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

406 views

1 answer

javascript - Pass data through promise .then notation using axios

I need to make three web service calls. The second two calls depend on the results of the first. Then I want to ... the chain so that I can resolve with all three data sets....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

564 views

1 answer

为什么Vue项目运行在IE9中能显示，在IE10/11中白屏？

IE9能显示虽然样式是乱的，IE10/11完全是白屏没有报错，网上搜索说白屏是ES6的问题，但是Vue脚手架预装了babel并且ie9为什么能运行呢？ package.json: { "name": "test" ... .exports = { presets: [ '@vue/cli-plugin-babel/preset' ] } 没有其他配置文件了...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

487 views

1 answer

element 树形组件使用问题

切换两个树形数据显示隐藏，默认展示orgTree 当切换到第二颗树的时候label不显示，数据没有问题，props设置正确。下面是完整代码有人知道这是什么BUG吗？...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

428 views

1 answer

python - Can I patch an arbitrary object instance to throw when used?

Motivation I have singleton objects I am replacing with new instances. I want to be sure that nobody ... overhead to normal object operations before make_radioactive is called...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

609 views

1 answer

Keyboard shortcuts not working on published extension, but working when loading unpacked developer extension?

I created keyboard shortcuts in my extension that worked while I was testing, but don't work when I ... docs/extensions/reference/commands/) these keyboard shortcuts should work....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

419 views

1 answer

flutter项目运行报错"variable 'originRect' is used"

Running pod install... 1.5s Running Xcode build... Xcode build done. 4.9s Failed to build iOS app Error output from Xcode build: ... : vscode device: ios 模拟器新手学flutter，不知道怎么解决 ...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

713 views

1 answer

ant design vue 日期选择框如何设置结束时间不能小于开始时间

当用户选择开始的时间后,在结束时间中,开始的时间不能被选中.这样也行....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (31.9m points)

0 votes

550 views

1 answer

vue实现mooc中课程中的类似ppt的模块

这个要怎么去实现呢？没有思路，求解！！！...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (31.9m points)

Categories

Recent questions

Just Browsing Browsing

Most popular tags