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C# 'is' operator performance

...e RO field: 339ms Virtual GetEnumType() test: 361ms Virtual IsB() test: 365ms Create Time : 14106ms UtcNow: As: 348ms Is: 375ms Base property: 329ms Base field: 286ms Base RO field: 309ms Virtual GetEnumType(): 321ms Virtual bool IsB(): 332ms Create Time : 544ms (This number seems unr...
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Cannot ping AWS EC2 instance

.... Enable Internet Gateway ``` Open the Ports in AWS EC2 check this link offical AWS [link][1] The answer is posted by Tapan Nayan Banker | Tapan Banker www.tapanbanker.com – Tapan Banker Nov 11 '19 at 5:04 ...
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C语言之父辞世引发“分号”悼念 - 创意 - 清泛网 - 专注C/C++及内核技术

...ultics项目调整过程中,就迫切需要一门高级计算机语言做工具,为了解决程序的可移植性问题,肯·汤普逊和丹尼斯·里奇决定对它进行简单改进,形成 NB语言。但NB在Unix的移植方面依然不尽人意,此后里奇又对NB语言做了改进,...
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App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网

... 切换 目录 官方 QQ群 免费技术交流群483928335 在线 客服 扫码添加客服咨询 我要 分享 扫码分享到朋友圈 ...
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What is the meaning of “vnd” in MIME types?

...nstance. Microsoft, too, introduced non-standard MIME types e.g. for their Office products, so did many other companies. – Matthias May 15 '12 at 8:35 2 ...
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Performing a Stress Test on Web Application?

...om Microsoft to connect to their RTC LCS server... which is what Microsoft Office Communicator connects to on a local network... then modified to just pick up calls automatically). This then allowed us to use this instead of an expensive telephony tool called The Hammer (or something like that). A...
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How do you manage databases in development, test, and production?

... the production data. Also clarify the last step with the data protection officer, if there is reason - as you suggest - that live data has to be on development systems, check if this is legally applicable. Also an exact copy of the production data slows down development and integration to a large ...
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How to read a CSV file into a .NET Datatable

...duce an external dependency which may conflict with other installations of office on the same machine (use Excel on your local dev environment?), dependent on versions installed. There are NuGet packages out there (ExcelDataReader, CsvHelper) that do this in more efficient, more portable ways. ...
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What's the best way to distribute Java applications? [closed]

...ar") I can't think of a single widely used Java application on Linux (Open Office, etc. are C++ and use Java only for plugins). – Ry4an Brase Sep 2 '12 at 15:30 ...
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Difference between \n and \r?

... But there still some applications using \r - e.g. MS Office 2011 Excel: Saving a CSV (with all default settings) - will save an ISO-8859-1 encoded file with \r-line endings. – CodeBrauer Jul 11 '17 at 12:48 ...