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Form analysis 6 forms found in the DOM
POST ./
<form method="post" action="./"> Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share <input name="notice_visitor" onclick="return qa_notice_click(this);" type="submit" value="X"
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<div class="qa-q-item-main">
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<a href="./?qa=64524/">Welcome to OStack Knowledge Sharing Community-Open, Learning,Share</a>
</div>
<div class="qa-q-view-content"> Welcome to OStack Knowledge Sharing Community-Open, Learning,Share 欢迎来到 OStack|知识分享社区! 一个分享知识，传递知识，学习知识的社区！... </div>
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<span class="qa-q-item-meta">
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<span class="qa-q-item-when-data">Feb 5</span>
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<span class="qa-q-item-where-pad">in </span><span class="qa-q-item-where-data"><a href="./?qa=Others" class="qa-category-link">Others[杂七杂八]</a></span>
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<span class="qa-q-item-who-pad">by </span>
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<span class="qa-q-item-who-points-pad">(</span><span class="qa-q-item-who-points-data">1.3k</span><span class="qa-q-item-who-points-pad"> points)</span>
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<span class="qa-a-count-data">43</span><span class="qa-a-count-pad"> views</span>
</span>
</div>
<div>
<span class="qa-a-count">
<span class="qa-a-count-data">1</span><span class="qa-a-count-pad"> answer</span>
</span>
</div>
</div>
<div class="qa-q-item-main">
<div class="qa-q-item-title">
<a href="./?qa=14019/"> reactjs - React: How to update state for just one element, rather than batch update </a>
</div>
<div class="qa-q-view-content"> I am a beginner with React. I have a project I'm working on with some sample travel tours. I would like to use a "read more/show less" feature for the description of each ... /footer>
</article> </div> ); })} </> ); }; export default Tour;... </div>
<div class="qa-q-item-avatar-meta">
<span class="qa-q-item-meta">
<span class="qa-q-item-what">asked</span>
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<span class="qa-q-item-when-data">Jan 25</span>
</span>
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<span class="qa-q-item-who-points-pad">(</span><span class="qa-q-item-who-points-data">5.2m</span><span class="qa-q-item-who-points-pad"> points)</span>
</span>
</span>
</span>
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<ul class="qa-q-item-tag-list">
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<span class="qa-netvote-count-data">0</span><span class="qa-netvote-count-pad"> votes</span>
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<span class="qa-a-count-data">26</span><span class="qa-a-count-pad"> views</span>
</span>
</div>
<div>
<span class="qa-a-count">
<span class="qa-a-count-data">1</span><span class="qa-a-count-pad"> answer</span>
</span>
</div>
</div>
<div class="qa-q-item-main">
<div class="qa-q-item-title">
<a href="./?qa=13838/"> web - Get access to the one site with one account in two different computer </a>
</div>
<div class="qa-q-view-content"> I have one account that access to my company' dashboard admin site. Now, I want to rent one more person that speed up my job but only one person login admin site at one time, so can
login two computer with one account per site.... </div>
<div class="qa-q-item-avatar-meta">
<span class="qa-q-item-meta">
<span class="qa-q-item-what">asked</span>
<span class="qa-q-item-when">
<span class="qa-q-item-when-data">Jan 25</span>
</span>
<span class="qa-q-item-where">
<span class="qa-q-item-where-pad">in </span><span class="qa-q-item-where-data"><a href="./?qa=questions/Technique" class="qa-category-link">Technique[技术]</a></span>
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<span class="qa-netvote-count-data">0</span><span class="qa-netvote-count-pad"> votes</span>
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<span class="qa-a-count qa-a-count-view">
<span class="qa-a-count-data">38</span><span class="qa-a-count-pad"> views</span>
</span>
</div>
<div>
<span class="qa-a-count">
<span class="qa-a-count-data">1</span><span class="qa-a-count-pad"> answer</span>
</span>
</div>
</div>
<div class="qa-q-item-main">
<div class="qa-q-item-title">
<a href="./?qa=13746/"> Flutter/Dart - Why does DateTime.toLocal() behave differently for dates before 01.01.1970 UTC aka UNIX timestamp 0? </a>
</div>
<div class="qa-q-view-content"> Using .toLocal() on DateTimes before 01.01.1970 (thus with a negative UNIX timestamp) seemingly results in the timezone information getting lost. final DateTime ... the Dart SDK
repository: https://github.com/dart-lang/sdk/issues/44656... </div>
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<span class="qa-q-item-meta">
<span class="qa-q-item-what">asked</span>
<span class="qa-q-item-when">
<span class="qa-q-item-when-data">Jan 25</span>
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<span class="qa-q-item-where">
<span class="qa-q-item-where-pad">in </span><span class="qa-q-item-where-data"><a href="./?qa=questions/Technique" class="qa-category-link">Technique[技术]</a></span>
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</span>
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<div class="qa-q-item-tags">
<ul class="qa-q-item-tag-list">
<li class="qa-q-item-tag-item"><a href="./?qa=tag/%09Flutter/Dart" class="qa-tag-link"> Flutter/Dart</a></li>
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<span class="qa-netvote-count-data">0</span><span class="qa-netvote-count-pad"> votes</span>
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<span class="qa-a-count-data">130</span><span class="qa-a-count-pad"> views</span>
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<span class="qa-a-count">
<span class="qa-a-count-data">1</span><span class="qa-a-count-pad"> answer</span>
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<div class="qa-q-item-title">
<a href="./?qa=13558/"> node.js - Socket.io client unable to verify latest letsencrypt certificate </a>
</div>
<div class="qa-q-view-content"> I have a webserver running on HTTPS with a letsencrypt certificate and a client on node that connects to it via socket.io. This has been working ... ?) Or did something break at
letsencrypt side? Anyone else experiencing similar problems?... </div>
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<span class="qa-q-item-when-data">Jan 25</span>
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<span class="qa-a-count-data">60</span><span class="qa-a-count-pad"> views</span>
</span>
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<div>
<span class="qa-a-count">
<span class="qa-a-count-data">1</span><span class="qa-a-count-pad"> answer</span>
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<div class="qa-q-item-main">
<div class="qa-q-item-title">
<a href="./?qa=13286/"> error Missing list of packages to add to your project </a>
</div>
<div class="qa-q-view-content"> Try to implement icon on react native i had "error Missing list of packages to add to your project." I checked my package json and it s ok ( i m thinking ) i did rm -rf ...
test-renderer": "16.13.1" }, "jest": { "preset": "react-native" } }... </div>
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<span class="qa-a-count-data">1</span><span class="qa-a-count-pad"> answer</span>
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<a href="./?qa=13078/"> I can't find the git icon on VS Code Source Control window and initialize repository option is hidden </a>
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<div class="qa-q-view-content"> On my VS code there is no git icon on the Source Control window. There is initialize repository button but it is hidden. I've added a screenshot also if anyone can help me with the
issue.... </div>
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<span class="qa-q-item-meta">
<span class="qa-q-item-what">asked</span>
<span class="qa-q-item-when">
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<a href="./?qa=12372/"> 当项目使用多个npm包，如何解决babel代码重复问题？ </a>
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<div class="qa-q-view-content"> 比如项目依赖a b c 三个npm包（都是自己写的） 这3个包都是用的es6+编写的 每个包通过各自babel编译后生成dist/index文件作为包的入口，例如： "main": "dist/index.js", 那么每个index.js其实都包含了babel的添加的兼容代码（core3大概60k）
导致现在我的项目因这3个包多了60*3K代码，其中有60*2k代码是多余的 大神们，请问如何避免多增加120k代码？？？... </div>
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<div class="qa-q-view-content"> el-date-picker的选择日期范围的下拉日期选择框，组件中有一个element的最小宽度限制min-width:513px;如果改变到小于513px，整个时间会显示混乱，如果想适用移动端，需小于513px 改变宽度小于513px下拉时间范围样式混乱 需修改为适用移动端样式，如何修改？... </div>
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<a href="./?qa=9487/"> 浏览器右下角这个报错的六边形是怎么出来的? </a>
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<div class="qa-q-view-content"> 如上图，这个在浏览器页面右下角，报错的六边形是怎么出来的，是调用chrome的api吗？... </div>
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<a href="./?qa=9279/"> eggjs的agent中使用messenger.sendToApp不能给worker传递方法。。。 </a>
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<a href="./?qa=8693/"> 微信公众号jssdk，js安全域名配置为二级域名，那对应的三级域名可以生效吗 ？ </a>
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<div class="qa-q-view-content"> 如果我配置的是aa. com 那么bb. aa. com和cc. aa. com这种可以生效嘛... </div>
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<a href="./?qa=7890/"> 输出三个数中的最大值，程序出现错误！ </a>
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<div class="qa-q-view-content"> 代码 /**************************************************** Copyright:Tan Haoqiang Author:Huang Zihan Date:2020-12-21 Description:Output the largest one from a,b and c ************ ... 期待结果
原本这个程序是把三个数字中的最大那个输出，但是按下enter键之后光标就到了下一个空行，不知道哪里错了？... </div>
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<a href="./?qa=7168/"> python - Why does the same way of opening and writing a file gives me error the second time? ValueError: I/O operation on closed file </a>
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<a href="./?qa=7054/"> 输出两行便卡住了，但是在原书的输出是完整的多行内容，多次确认过代码后发现代码无误但是输出内容与原文不同。望大佬解答十分感谢 </a>
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<div class="qa-q-view-content"> import time from multiprocessing import Lock, Process, Queue, Semaphore from random import random buffer = Queue(10) empty = Semaphore(2) full = Semaphore(0) lock = Lock() ... start()
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<a href="./?qa=6784/"> springcloud 开启https </a>
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<a href="./?qa=3177/"> element datepicker datarange </a>
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Welcome to OStack Knowledge Sharing Community-Open, Learning,Share
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OStack|知识分享社区! 一个分享知识，传递知识，学习知识的社区！...
asked Feb 5 in Others[杂七杂八] by ostack (1.3k points)
* Welcome
0 votes
43 views
1 answer
reactjs - React: How to update state for just one element, rather than batch
update
I am a beginner with React. I have a project I'm working on with some sample
travel tours. I would like to use a "read more/show less" feature for the
description of each ... /footer> </article> </div> ); })} </> ); }; export
default Tour;...
asked Jan 25 in Technique[技术] by 深蓝 (5.2m points)
* reactjs
0 votes
26 views
1 answer
web - Get access to the one site with one account in two different computer
I have one account that access to my company' dashboard admin site. Now, I
want to rent one more person that speed up my job but only one person login
admin site at one time, so can login two computer with one account per site....
asked Jan 25 in Technique[技术] by 深蓝 (5.2m points)
* web
0 votes
38 views
1 answer
Flutter/Dart - Why does DateTime.toLocal() behave differently for dates before
01.01.1970 UTC aka UNIX timestamp 0?
Using .toLocal() on DateTimes before 01.01.1970 (thus with a negative UNIX
timestamp) seemingly results in the timezone information getting lost. final
DateTime ... the Dart SDK repository:
https://github.com/dart-lang/sdk/issues/44656...
asked Jan 25 in Technique[技术] by 深蓝 (5.2m points)
* Flutter/Dart
0 votes
130 views
1 answer
node.js - Socket.io client unable to verify latest letsencrypt certificate
I have a webserver running on HTTPS with a letsencrypt certificate and a
client on node that connects to it via socket.io. This has been working ... ?)
Or did something break at letsencrypt side? Anyone else experiencing similar
problems?...
asked Jan 25 in Technique[技术] by 深蓝 (5.2m points)
* node.js
0 votes
60 views
1 answer
error Missing list of packages to add to your project
Try to implement icon on react native i had "error Missing list of packages
to add to your project." I checked my package json and it s ok ( i m thinking )
i did rm -rf ... test-renderer": "16.13.1" }, "jest": { "preset": "react-native"
} }...
asked Jan 25 in Technique[技术] by 深蓝 (5.2m points)
* error
0 votes
20 views
1 answer
I can't find the git icon on VS Code Source Control window and initialize
repository option is hidden
On my VS code there is no git icon on the Source Control window. There is
initialize repository button but it is hidden. I've added a screenshot also if
anyone can help me with the issue....
asked Jan 25 in Technique[技术] by 深蓝 (5.2m points)
* I
0 votes
27 views
1 answer
当项目使用多个npm包，如何解决babel代码重复问题？
比如项目依赖a b c 三个npm包（都是自己写的） 这3个包都是用的es6+编写的
每个包通过各自babel编译后生成dist/index文件作为包的入口，例如： "main": "dist/index.js",
那么每个index.js其实都包含了babel的添加的兼容代码（core3大概60k）
导致现在我的项目因这3个包多了60*3K代码，其中有60*2k代码是多余的 大神们，请问如何避免多增加120k代码？？？...
asked Jan 25 in Technique[技术] by 深蓝 (5.2m points)
0 votes
20 views
1 answer
js按钮双击怎么不让它执行两次单击事件
js按钮双击怎么不让它执行两次单击事件...
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
0 votes
64 views
1 answer
element-ui 的el-date-picker的选择日期范围的下拉日期选择框大小无法更改为适用移动端
el-date-picker的选择日期范围的下拉日期选择框，组件中有一个element的最小宽度限制min-width:513px;如果改变到小于513px，整个时间会显示混乱，如果想适用移动端，需小于513px
改变宽度小于513px下拉时间范围样式混乱 需修改为适用移动端样式，如何修改？...
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
* element-ui
0 votes
15 views
1 answer
ssrs 2012 - SQL - Returning the Top two Results for Each Match
I have a situation where we record every change to a column of a member
record in the MEMBER table as a separate row. The changes that are logged only
show the ... Time 1/10/2021 9101 status Frozen 10/15/2020 9101 status Active
1/1/2020...
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
* ssrs
0 votes
30 views
1 answer
typescript中require.context()批量export
// export { default as Breadcrumb } from './Breadcrumb/index.vue'; // export
{ default as UserAvatar } from './UserAvatar/index.vue'; // export { default as
WindowsButton } from ' ... .可以注册组件， 但是编辑器会报错，找不到UserAvatar的export member
怎么消除这个错误呢？...
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
0 votes
42 views
1 answer
javascript - Laravel view performs JS 2 times
I have view with code below: <div> Very bad words on Russian) </div>
<script>console.log(123)</script> When the page is loaded, "123" is output 2 ...
similar problem) Because I broke my brain already) I would be very grateful for
any help)...
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
* javascript
0 votes
33 views
1 answer
浏览器右下角这个报错的六边形是怎么出来的?
如上图，这个在浏览器页面右下角，报错的六边形是怎么出来的，是调用chrome的api吗？...
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
0 votes
15 views
1 answer
eggjs的agent中使用messenger.sendToApp不能给worker传递方法。。。
agent.js ` //这里处理定时任务，初始化这个定时对象obj并传递给每个worker
//每个worker使用这个obj中的方法,下面是这个obj伪代码 const obj = { name:11, getName:() => {} }
agent.messenger.sendToApp('init_obj' ... 法不能传递
是否是这个messenger.sendToApp只能传递静态属性?有什么办法可以给app.js传递对象全部属性供controller使用么？...
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
0 votes
52 views
1 answer
微信公众号jssdk，js安全域名配置为二级域名，那对应的三级域名可以生效吗 ？
如果我配置的是aa. com 那么bb. aa. com和cc. aa. com这种可以生效嘛...
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
* 微信公众号jssdk，js安全域名配置为二级域名，那对应的三级域名可以生效吗
0 votes
51 views
1 answer
python - How can I handle audio messages in pyTelegramBotAPI?
I'm using pyTelegramBotAPI as framework to create a telegram bot. I'm having
some troubles with handle audio messages and I can't understand where I am
wrong. Here my ... a good night to all members of a group chat""") Can anyone
help me?...
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
* python
0 votes
26 views
1 answer
(HTML+CSS) There is a Dot before my Instagram Logo
Im making my own Website and i inserted a picture of the Instagram Logo as a
link to get to my Instagram, but on the Live server is the Instagram logo fully
funktional ... /Insta.png" alt="InstaLogo" height="50px" width="50px"></a>
</div>...
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
* (HTML+CSS)
0 votes
42 views
1 answer
输出三个数中的最大值，程序出现错误！
代码 /**************************************************** Copyright:Tan
Haoqiang Author:Huang Zihan Date:2020-12-21 Description:Output the largest one
from a,b and c ************ ... 期待结果
原本这个程序是把三个数字中的最大那个输出，但是按下enter键之后光标就到了下一个空行，不知道哪里错了？...
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
0 votes
69 views
1 answer
python - Why does the same way of opening and writing a file gives me error the
second time? ValueError: I/O operation on closed file
I am trying to write the title of a opened youtube video on "api obs.txt"
and its URL on "link obs.txt". The title gets written but it says "ValueError
... make the code ignore the error and keep looking until the current page has a
title....
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
* python
0 votes
43 views
1 answer
python - How to remove a binary tree recursively
Hi I have problem with my task in Python. I must delet all tree without
T.root = None, because our teacher says it can sometimes leak memory. He wants
to do it ... T.post_order(T.root, 0) print() T.clear_tree(T.root) print()
T.print_tree()...
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
* python
0 votes
86 views
1 answer
输出两行便卡住了，但是在原书的输出是完整的多行内容，多次确认过代码后发现代码无误但是输出内容与原文不同。望大佬解答十分感谢
import time from multiprocessing import Lock, Process, Queue, Semaphore from
random import random buffer = Queue(10) empty = Semaphore(2) full = Semaphore(0)
lock = Lock() ... start() c.start() p.join() c.join() print('Main Process
Ended')...
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
0 votes
51 views
1 answer
springcloud 开启https
求大佬们讲解一下微服务下开启https的思路，假设我有四个服务，注册中心，gateway网关，oauth认证服务，和业务代码的服务，那么我开启https是所有模块都要开启，还是只需要把网关开启https，然后转发成http?...
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
* springcloud
0 votes
44 views
1 answer
django的request.POST和request.body全部都是空
我在django中写了一个登录请求打算使用他做前端的vue现在还没有去做token的保持功能，我使用postman进行post请求时，写了username和password但是后端当我打印这个request.POST和request.body时这两个均为空这个是
... " print('hahahaha') return JsonResponse('username', safe=False) return
JsonResponse('登录失败了', safe=False)...
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
0 votes
78 views
1 answer
pyinstaller - if UAC Admin doesn't have sufficient permissions, then who does?
I use pyinstaller to write executables for Windows. The software needs to
run with elevated permissions so I use the --uac-admin flag. Some of our users
... accounts that can't write to the ProgramData directory or use the Task
Scheduler?...
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
* pyinstaller
0 votes
42 views
1 answer
react16中升级getDerivedStateFromProps的写法
componentWillReceiveProps的写法是这样的 在文档中发现getDerivedStateFromProps无法访问this,
请问如果我要给一个表单设置值的话要怎么样修改...
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
0 votes
99 views
1 answer
element datepicker datarange
单个点可以快速选年 但是datarange不好用，只能一年一年点，不好用...
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
* element
0 votes
160 views
1 answer
How to express arrays in Isabelle/HOL?
I am trying to express arrays, but don't know exactly how. For example, in
the following toy lemma that asserts the sum of a series of numbers equals to
certain ... with a size that is known in advance but not fixed to something like
3)....
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
* How
0 votes
115 views
1 answer
Is Swift Pass By Value or Pass By Reference
I'm really new to Swift and I just read that classes are passed by reference
and arrays/strings etc. are copied. Is the pass by reference the same way as ...
or Java wherein you actually pass "a" reference or is it proper pass by
reference?...
asked Jan 24 in Technique[技术] by 深蓝 (5.2m points)
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