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Unpacking, extended unpacking and nested extended unpacking

Consider the following expressions. Note that some expressions are repeated to present the "context". 3 Answers ...
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Pros and cons of AppSettings vs applicationSettings (.NET app.config / Web.config)

...in a <add key="...." value="..." /> entry and you're done. The downside is: there's no type-checking, e.g. you cannot safely assume your number that you wanted to configure there really is a number - someone could put a string into that setting..... you just access it as ConfigurationManager[...
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What does CultureInfo.InvariantCulture mean?

...ure the culture info fits your intention (see Martin's answer for a good guideline). CultureInfo.InvariantCulture Example CultureInfo.InvariantCulture on StackOverflow CultureInfo.InvariantCulture MSDN Article Predefined CultureInfo Names ...
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How is “=default” different from “{}” for default constructor and destructor?

...y posted this as a question only about destructors, but now I'm adding consideration of the default constructor. Here's the original question: ...
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How to prevent Browser cache for php site

... try this <?php header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); header("Cache-Control: post-check=0, pre-check=0", false); header("Pragma: no-cache"); ?> share | i...
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What are the big improvements between guava and apache equivalent libraries?

We currently use apache collections, string utils, etc. I need to decide if we should switch from the apache foundations implementation. ...
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Xcode Project vs. Xcode Workspace - Differences

...t files. The same goes for build settings: You can define default project-wide settings in the project, but if one of your targets needs different settings, you can always override them there: Shared project settings that all targets inherit, unless they override it Concrete target settings: P...
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How to check whether a pandas DataFrame is empty?

... answered Nov 7 '13 at 5:55 aIKidaIKid 19.4k44 gold badges3535 silver badges5656 bronze badges ...
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What is a Portable Class Library?

...: .NETStandard 1->2 FAQ UPDATE Oct 19 2016: This is the best interview/video I've seen to date covering .NET Standard 2.0 UPDATE Sep 27 2016: .NET Standard 2.0 announcement post has more good info UPDATE Jun 6 2016: This article explains well how the .NETStandard library mechanism supersedes mu...
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JavaScript: Class.method vs. Class.prototype.method

...tionship with an object instance of that constructor function, you can consider it like a 'static method'. In JavaScript functions are first-class objects, that means you can treat them just like any object, in this case, you are only adding a property to the function object. The second function, ...