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appinventor列表如何添加多项? - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!
使用“列表”中的“创建列表”积木,点击拓展按钮拖动多个参数,详细步骤如下:
App Inventor 2 财务计算器拓展:复利计算、平均值、中位数、众数、方差计...
...,包括计算平均值、中位数、众数、方差等。无论您是在创建个人财务应用程序还是数据分析工具,此扩展都是您不可或缺的得力助手。
aia源码及拓展下载地址。
AppInventor,AppInventor2
App Inventor 2 如何比较两个日期/时间? - App Inventor 2 中文网 - 清泛...
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1、日期/时间选择框选中的
2、利用“计时器”组件自己创建,通过时间字符串比如:2023/01/01
3、利用“计时器”组件获取系统时间AppInventor,AppInventor2
【解决】钉钉机器人“errcode“: 40035, “errmsg“: “缺少参数 json“ - ...
钉钉机器人“errcode“: 40035, “errmsg“: “缺少参数 json“,解决:
Post后面直接跟json才行,不能使用“创建数据请求”+双层列表 的模式。
Error 1113: Unable to build request data: element 1 does not contain t...
报错如下:
原因:Web客户端的“创建数据请求”方法,参数是二值的二维列表,严格按照文档中的案例写,2 个一组,不要四个在一起,否则就会报这个错误。
Error when trying vagrant up
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work to me these are the following steps:
cd homestead (in your directory homestead folder) OR cd Homestead
del vagrantfile or rm -Rf Vagrantfile
vagrant init laravel/homestead
vagrant up
sh...
How to reset db in Django? I get a command 'reset' not found error
...ith pg:reset:
heroku pg:reset DATABASE_URL
heroku run python manage.py syncdb
If you can install Django Extensions, it has a way to do a complete reset:
python ./manage.py reset_db --router=default
share
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Convert Mercurial project to Git [duplicate]
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You can try using fast-export:
cd ~
git clone https://github.com/frej/fast-export.git
git init git_repo
cd git_repo
~/fast-export/hg-fast-export.sh -r /path/to/old/mercurial_repo
git checkout HEAD
Also have a look at this SO question.
If you're using ...
How to remove jar file from local maven repository which was added with install:install-file?
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cd ~/.m2
git init
git commit -am "some comments"
cd /path/to/your/project
mvn install
cd ~/.m2
git reset --hard
share
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im...
Issue with virtualenv - cannot activate
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For activation you can go to the venv your virtualenv directory
by cd venv.
Then on Windows, type dir (on unix, type ls).
You will get 5 folders include, Lib, Scripts, tcl and 60
Now type .\Scripts\activate to activate your virtualenv venv.
Your prompt will change to indicate that you ar...