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Encrypt and decrypt a string in C#?

... //While an app specific salt is not the best practice for //password based encryption, it's probably safe enough as long as //it is truly uncommon. Also too much work to alter this answer otherwise. private static byte[] _salt = __To_Do__("Add a app specific salt here"); /// <s...
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How to determine an interface{} value's “real” type?

... I'm going to offer up a way to return a boolean based on passing an argument of a reflection Kinds to a local type receiver (because I couldn't find anything like this). First, we declare our anonymous type of type reflect.Value: type AnonymousType reflect.Value Then w...
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Timer function to provide time in nano seconds using C++

...en RDTSC and your system's built-in clock facilities (which will likely be based on clock(), clock_gettime() and/or QueryPerformanceCounter. Note that the RDTSC instruction is x86-specific. QueryPerformanceCounter is Windows only. And clock_gettime() is POSIX only. Below I introduce two new cloc...
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现实版《道士下山》:道长老梁的四面人生 - 轻松一刻 - 清泛网 - 专注C/C++...

...空拍下来,发到微博上。有一天,他连着发了11张天空的图片,每张都配上了一句自己写的诗,“山水悠然道写意,云天一色画无边。” 终南山上有山泉,滋养了各种野生果树。老梁熟悉每一种果子。他挖山药豆、采槐花、吃...
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C/C++ NaN constant (literal)?

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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In Java, what is the best way to determine the size of an object?

... with piles of data rows. I give the user a summary of the number of rows based on types of data, but I want to make sure that I don't read in too many rows of data and cause OutOfMemoryError s. Each row translates into an object. Is there an easy way to find out the size of that object programm...
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How do I find which rpm package supplies a file I'm looking for?

...86_64 : The GNU versions of grep pattern matching utilities. Repo : base Matched from: Filename : /bin/grep You may prefer the output and speed of the repoquery tool, available in the yum-utils package. sudo yum install yum-utils repoquery --whatprovides '*bin/grep' grep-0:2.5.1-55.el5....
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ASP.NET Identity's default Password Hasher - How does it work and is it secure?

...); Buffer.BlockCopy(buffer2, 0, dst, 0x11, 0x20); return Convert.ToBase64String(dst); } Verifying: public static bool VerifyHashedPassword(string hashedPassword, string password) { byte[] buffer4; if (hashedPassword == null) { return false; } if (password == nu...
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OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...v packagekit-media.repo packagekit-media.repo.bak 配置源 vi CentOS-Base.repo [base] name=CentOS-$releasever - Base - mirrors.aliyun.com failovermethod=priority baseurl=http://mirrors.aliyun.com/centos/6.7/os/$basearch/ http://mirrors.aliyuncs.com/centos/6.7/os/$basearch/ #mirro...
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How to find the type of an object in Go?

... Based on a barebones benchmark, the reflect approach is surprisingly more efficient gist.github.com/mrap/7f08c9549289b6aea2923c27888e7e3e – Mike Rapadas Apr 6 '17 at 20:53 ...