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【转】用App Inventor 2实现电子围栏功能 - App应用开发 - 清泛IT社区，为创新赋能！
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实现电子围栏需要的组件实现电子围栏需要用到地图Map容器，需要用到的组件有Map，类似画面，用于放置其他地图特征组件。根据围栏的形状可以用的组件有Circle（圆形），Polygon（多边形），Rectangle（矩形）。我这里用了Ci...
Convert a Map to a POJO
I've been looking at Jackson, but is seems I would have to convert the Map to JSON, and then the resulting JSON to the POJO.
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Get most recent file in a directory on Linum>x m>
Looking for a command that will return the single most recent file in a directory.
21 Answers
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Global Git ignore
...s git bash:
git config --global core.em>x m>cludesFile '~/.gitignore'
Windows cmd:
git config --global core.em>x m>cludesFile "%USERPROFILE%\.gitignore"
Windows PowerShell:
git config --global core.em>x m>cludesFile "$Env:USERPROFILE\.gitignore"
For Windows it set to the location C:\Users\{myusername}\.gitignor...
How to set timeout for http.Get() requests in Golang?
I'm making a URL fetcher in Go and have a list of URLs to fetch. I send http.Get() requests to each URL and obtain their response.
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Long press gesture on UICollectionViewCell
... gesture recognizer to a (subclass of) UICollectionView. I read in the documentation that it is added by default, but I can't figure out how.
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How to round an average to 2 decimal places in PostgreSQL?
I am using PostgreSQL via the Ruby gem 'sequel'.
8 Answers
8
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Dismissing a Presented View Controller
I have a theoretic question. Now İ'm reading Apple's ViewController guide.
13 Answers
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How do I move forward and backward between commits in git?
I am doing a git bisect and after arriving to the problematic commit, I am now trying to get a step forward/backward to make sure I am in the right one.
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