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AngularJs: How to check for changes in file input fields?
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No binding support for File Upload control
https://github.com/angular/angular.js/issues/1375
<div ng-controller="form-cntlr">
<form>
<button ng-click="selectFile()">Upload Your File</button>
<input type=...
Git: Create a branch from unstaged/uncommitted changes on master
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SELECT DISTINCT on one column
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Group by multiple columns in dplyr, using string vector input
...dplyr has full support for string arguments, perhaps this gist is useful:
https://gist.github.com/skranz/9681509
It contains bunch of wrapper functions like s_group_by, s_mutate, s_filter, etc that use string arguments. You can mix them with the normal dplyr functions. For example
cols = c("cyl",...
How to supply value to an annotation from a Constant java
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How can I print a circular structure in a JSON-like format?
... require('circular-json');
...
const json = CircularJSON.stringify(obj);
https://github.com/WebReflection/circular-json
NOTE: I have nothing to do with this package. But I do use it for this.
Update 2020
Please note CircularJSON is in maintenance only and flatted is its successor.
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How to calculate the angle between a line and the horizontal axis?
..., "expecting angle to be pi/2, it is: " + str(angle)
All tests pass. See https://en.wikipedia.org/wiki/Unit_circle
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Razor MVC Populating Javascript array with Model Array
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DaffyMenu 扩展：弹出菜单扩展，为组件添加弹出式菜单功能 · App Inventor 2 中文网
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原作者：Gordon Lu (gordonlu310)
原始网址：https://community.appinventor.mit.edu/t/free-daffymenu-popup-menus-for-your-components/54771/12
发布日期：2022年3月31日
许可协议：免费开源扩展
致谢：感谢 AI2 Popup Menu 提供的灵感
文档最...
How to change the remote repository for a git submodule?
...es on local repository
git config --file=.gitmodules submodule.Submod.url https://github.com/username/ABC.git
git config --file=.gitmodules submodule.Submod.branch Development
git submodule sync
git submodule update --init --recursive --remote
Please look at the blog for screenshots: Changing GIT...