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Is there any advantage of using map over unordered_map in case of trivial keys?
... used map before, because of the efficiency of lookup ( amortized O(1) vs. O(log n) ). Most times I use a map, I use either int or std::string as the key type; hence, I've got no problems with the definition of the hash function. The more I thought about it, the more I came to realize that...
Pickle or json?
...ou might also find this interesting, with some charts to compare: http://kovshenin.com/archives/pickle-vs-json-which-is-faster/
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What is the purpose of mock objects?
...sting operation.
See Fowler's article for the more specifics about fakes vs stubs vs mocks vs dummies, but for now, let's focus on a mock cook.
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mock cook <- waiter <- test driver
A big part of unit testi...
Visual Studio 2013 doesn't discover unit tests
... read/write, sometimes only a portion of the tests come up. Definitely run VS as administrator in that case.
If your solution is 64 bit, make sure that Test > Test Settings > Default Processor Architecture is set to x64. Sometimes it gets set to x86. Set it to x64, then rebuild.
Sometimes just...
How do I restore a missing IIS Express SSL Certificate?
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Note for VS2019 users: "Repair" will not work because the Visual Studio Installer does not put the MSI file where Control Panel expects it to be. However, there is a _package.json file in that same directory, and it contains the URL...
Uber5岁了，一次性告诉你它的商业之道 - 资讯 - 清泛网 - 专注C/C++及内核技术
...略学副教授滕斌圣对《中国新闻周刊》说，“但社会资源配置总是向更优化的方向发展，失业的人也会找到其他工作机会。变革的本质是就公平和效率之争。”
“与众不同，就是我们独领风骚的原因”
有研究数据显示，每...
Android Min SDK Version vs. Target SDK Version
When it comes to developing applications for Android, what is the difference between Min and Target SDK version? Eclipse won't let me create a new project unless Min and Target versions are the same!
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When to use .First and when to use .FirstOrDefault with LINQ?
...he result to be empty
From: http://www.technicaloverload.com/linq-single-vs-singleordefault-vs-first-vs-firstordefault/
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Determine the data types of a data frame's columns
...types
# A tibble: 32 x 11
mpg cyl disp hp drat wt qsec vs am gear carb
* <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl>
1 21 6 160 110 3.9 2.62 16.5 0 1 4 4
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snprintf and Visual Studio 2010
I'm unfortunate enough to be stuck using VS 2010 for a project, and noticed the following code still doesn't build using the non-standards compliant compiler:
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