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Convert a character digit to the corresponding integer in C

... Johannes Schaub - litbJohannes Schaub - litb 453k112112 gold badges830830 silver badges11501150 bronze badges ...
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How to check if variable's type matches Type stored in a variable

... The other answers all contain significant omissions. The is operator does not check if the runtime type of the operand is exactly the given type; rather, it checks to see if the runtime type is compatible with the given type: class Animal {}...
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git replace local version with remote version

...ex directly use git read-tree remote/branch:subdir/ You can then (optionally) update your working copy by doing git checkout-index -u --force share | improve this answer | ...
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C#: Printing all properties of an object [duplicate]

Is there a method built in to .NET that can write all the properties and such of an object to the console? Could make one using reflection of course, but I'm curious to if this already exists... especially since you can do it in Visual Studio in the Immediate Window. There you can an object name (wh...
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Output array to CSV in Ruby

...enerate_line(row) }.join("") #=> "a1,a2,a3\nb1,b2,b3\nc1,c2,c3\n" Do all of the above and save to a csv, in one line. File.open("ss.csv", "w") {|f| f.write(rows.inject([]) { |csv, row| csv << CSV.generate_line(row) }.join(""))} NOTE: To convert an active record database to csv would...
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Remove whitespaces inside a string in javascript

... For space-character removal use "hello world".replace(/\s/g, ""); for all white space use the suggestion by Rocket in the comments below! share | improve this answer | f...
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SQL, Postgres OIDs, What are they and why are they useful?

... OIDs basically give you a built-in id for every row, contained in a system column (as opposed to a user-space column). That's handy for tables where you don't have a primary key, have duplicate rows, etc. For example, if you have a t...
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Are Roslyn SyntaxNodes reused?

...tions of the tree that were affected by the edit. Now when you try to put all five of those things into one data structure you immediately run into problems: How do you build a node in the first place? The parent and the child both refer to each other, and are immutable, so which one gets built f...
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How do HTML parses work if they're not using regexp?

... Usually by using a tokeniser. The draft HTML5 specification has an extensive algorithm for handling "real world HTML". share | ...
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Margin-Top not working for span element?

...Unlike div, p 1 which are Block Level elements which can take up margin on all sides,span2 cannot as it's an Inline element which takes up margins horizontally only. From the specification: Margin properties specify the width of the margin area of a box. The 'margin' shorthand property sets t...