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Extracting the last n characters from a string in R
...i_sub("abcde",-3,-1)
[1] "cde"
You can install this package from github: https://github.com/Rexamine/stringi
It is available on CRAN now, simply type
install.packages("stringi")
to install this package.
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Get the previous month's first and last day dates in c#
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using Fluent DateTime https://github.com/FluentDateTime/FluentDateTime
var lastMonth = 1.Months().Ago().Date;
var firstDayOfMonth = lastMonth.FirstDayOfMonth();
var lastDayOfMonth = lastMonth.LastDayOfMonth();
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Arduino101（Genuino 101）&App Inventor – RGB LED控制 - 创客硬件开...
繁体中文原文：https://blog.cavedu.com/2017/02/ ... %e6%8e%a7%e5%88%b6/
本文將介紹如何取得觸碰點的 RGB 參數之後透過 BLE 送給 Arduino 101 來點亮 RGB LED。
App InventorDesigner使用 Canvas 來取得觸碰點座標。兩個連線斷線用的按鈕：Btn_Connect /&n...
How to get a list of repositories apt-get is checking? [closed]
...li-rolling main non-free contrib
apt upgrade && update
source:
https://docs.kali.org/general-use/kali-linux-sources-list-repositories
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How to Reload ReCaptcha using JavaScript?
...on 2.0.
You can use grecaptcha.reset(); to reset the captcha.
Source : https://developers.google.com/recaptcha/docs/verify#api-request
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How to hide status bar in Android
...LLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);
}
Check Doc here : https://developer.android.com/training/system-ui/status.html
and your app will go fullscreen. no status bar, no title bar. :)
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HttpServletRequest to complete URL
I have an HttpServletRequest object.
10 Answers
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Blank space at top of UITextView in iOS 10
...tsScrollViewInsets = NO;
in the viewDidLoad method.
Check out the docs:
https://developer.apple.com/documentation/uikit/uiviewcontroller/1621372-automaticallyadjustsscrollviewin
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Base64Util 拓展：支持图像框、画布、文件、文本字符串、图像精灵base64编...
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版权信息
原作者：Kevinkun
原始网址：https://wangsk789.github.io/base64util/
开源致谢：基于 @TIMAI2 的开源代码
您的改进建议 联系方式： 不需要回复的可留空~ 意见反...
Use String.split() with multiple delimiters
... for normal cases it would be .split("match1|match2"), (eg. split("https|http")), \\ is to escape the special char . in above case
– prayagupd
Sep 14 '18 at 22:17
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