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Visual Studio C# statement collapsing

... 2012 (@MSDN) C# outline 2013 (@MSDN) C# outline 2015 (@MSDN) Visual Basic and C# Outliner The last extension supports only VS 2015 and VS 2017, but it's the most powerful one. It supports syntax coloring inside collapsed blocks, it is more fault-tolerant and optimized. If the extension doesn'...
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Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc

...eard that SELECT * is generally bad practice to use when writing SQL commands because it is more efficient to SELECT columns you specifically need. ...
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node.js fs.readdir recursive directory search

...ctory search using fs.readdir? I realise that we could introduce recursion and call the read directory function with the next directory to read, but am a little worried about it not being async... ...
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What is NODE_ENV and how to use it in Express?

...ode application is run, it can check the value of the environment variable and do different things based on the value. NODE_ENV specifically is used (by convention) to state whether a particular environment is a production or a development environment. A common use-case is running additional debuggi...
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Unable to import a module that is definitely installed

... I have run into this many times and I think I just discovered the reason: umask is passed through sudo, so if your personal umask is tight and you use sudo for the install, the files and directories will be over-restricted. If you simply su first and then...
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Each for object? [duplicate]

... A javascript Object does not have a standard .each function. jQuery provides a function. See http://api.jquery.com/jQuery.each/ The below should work $.each(object, function(index, value) { console.log(value); }); Another option would be to use vanilla Ja...
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What is a “bundle” in an Android application

What is a bundle in an Android application? When to use it? 12 Answers 12 ...
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Create array of regex matches

...an the below if you can assume Java >= 9) You need to create a matcher and use that to iteratively find matches. import java.util.regex.Matcher; import java.util.regex.Pattern; ... List<String> allMatches = new ArrayList<String>(); Matcher m = Pattern.compile("your regular ex...
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Can you remove elements from a std::list while iterating through it?

... You have to increment the iterator first (with i++) and then remove the previous element (e.g., by using the returned value from i++). You can change the code to a while loop like so: std::list<item*>::iterator i = items.begin(); while (i != items.end()) { bool isA...
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Good examples of Not a Functor/Functor/Applicative/Monad?

...ariant functor out of it, but not a (covariant) functor. Try writing fmap and you'll fail. Note that the contravariant functor version is reversed: fmap :: Functor f => (a -> b) -> f a -> f b contramap :: Contravariant f => (a -> b) -> f b -> f a A type constr...