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Validating IPv4 addresses with regexp

...so it ends with a word boundary rather than with the end of line? Additionally here I've marked the non-capturing groups to avoid unwanted sub-matches. NB: This still doesn't take into account @dty's comment as I'm not familiar with that form of IP; though he's correct that it seems valid. ...
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Javascript reduce() on Object

... What you actually want in this case are the Object.values. Here is a concise ES6 implementation with that in mind: const add = { a: {value:1}, b: {value:2}, c: {value:3} } const total = Object.values(add).reduce((t, {value}) =>...
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Why do you have to call .items() when iterating over a dictionary in Python?

...rtelli 724k148148 gold badges11261126 silver badges13241324 bronze badges add a comment  |  ...
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Check if an array contains any element of another array in JavaScript

...like it at Ramda should always be used instead of vanilla imho. Better for all devs... – Leon Gaban Aug 15 '16 at 20:32 add a comment  |  ...
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Regex replace uppercase with lowercase letters

...rs as well : find: ([A-Z])(.*) replace: \L$1$2 --> will convert all letters in $1 and $2 to lowercase BUT \l$1$2 --> will only convert the first letter of $1 to lowercase and leave everything else as is The same goes for uppercase with \U and \u ...
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The underlying connection was closed: An unexpected error occurred on a send.” With SSL Certificate

...e careful because this change is global to your AppDomain, and will cause calls to any site which doesn't offer TLS 1.2 to fail (which you may prefer if the data to be transported is truly sensitive). To prefer TLS 1.2 but still allow 1.1 and 1.0, you have to OR them: ServicePointManager.SecurityPro...
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What are the benefits of using C# vs F# or F# vs C#? [closed]

...g is extremely easy and intuitive with async {}-expressions - Even with ParallelFX, the corresponding C#-code is much bigger Very easy integration of compiler compilers and domain-specific languages Extending the language as you need it: LOP Units of measure More flexible syntax Often shorter and m...
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What is thattotal” in the very first line after ls -l? [closed]

...he files with a line `total BLOCKS', where BLOCKS is the total disk allocation for all files in that directory. share | improve this answer | follow ...
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Debug vs Release in CMake

... With CMake, it's generally recommended to do an "out of source" build. Create your CMakeLists.txt in the root of your project. Then from the root of your project: mkdir Release cd Release cmake -DCMAKE_BUILD_TYPE=Release .. make And for Debug (...
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BCL (Base Class Library) vs FCL (Framework Class Library)

... The Base Class Library (BCL) is literally that, the base. It contains basic, fundamental types like System.String and System.DateTime. The Framework Class Library (FCL) is the wider library that contains the totality: ASP.NET, WinForms, the XML stack, ADO.NET ...