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Extracting the last n characters from a ruby string
...e a one liner, you can put a number greater than the size of the string:
"123".split(//).last(5).to_s
For ruby 1.9+
"123".split(//).last(5).join("").to_s
For ruby 2.0+, join returns a string
"123".split(//).last(5).join
...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...ts).” in Statista - The Statistics Portal. Statista. 08 Oct 2015. http://www.statista.com/statistics/259983/global-shipment-forecast-for-touch-screen-displays
[3] Smyth, Neil ``Android Studio Development Essentials” Chapter 23 CreateSpace Independent Publishing Platform, USA, 2014
[4] “Drawi...
Output first 100 characters in a string
...o handle this. Here are some examples.
The formatting code '%s' converts '12345' to a string, but it's already a string.
>>> '%s' % '12345'
'12345'
'%.3s' specifies to use only the first three characters.
>>> '%.3s' % '12345'
'123'
'%.7s' says to use the first seven charac...
How to check a string for specific characters?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
How to make a Java Generic method static?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
An operation on a socket could not be performed because the system lac...
...重复使用。
参考：https://support.microsoft.com/zh-cn/help/196271/when-you-try-to-connect-from-tcp-ports-greater-than-5000-you-receive-t
How to get the browser language using JavaScript [duplicate]
...turns an array of language preference: navigator.languages //["en-US", "zh-CN", "ja-JP"] This should work on at least 95% of browsers in 2020.
– Cornelius Roemer
Mar 9 at 13:13
...
An operation on a socket could not be performed because the system lac...
...重复使用。
参考：https://support.microsoft.com/zh-cn/help/196271/when-you-try-to-connect-from-tcp-ports-greater-than-5000-you-receive-t
An operation on a socket could not be performed because the system lac...
...重复使用。
参考：https://support.microsoft.com/zh-cn/help/196271/when-you-try-to-connect-from-tcp-ports-greater-than-5000-you-receive-t
C++/COM VARIANT实现二维数组 - C/C++ - 清泛网 - 专注C/C++及内核技术
...T*/
VARIANT var = (VARIANT)olesa;
参考资料
http://blog.sina.com.cn/s/blog_74f586a50100rv6t.html
http://hfp0601.blog.163.com/blog/static/228483522011031104718762/
C++ COM VARIANT 二维数组