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Is using 'var' to declare variables optional? [duplicate]

... use var the variable is declared within the scope you are in (e.g. of the function). If you don't use var, the variable bubbles up through the layers of scope until it encounters a variable by the given name or the global object (window, if you are doing it in the browser), where it then attaches. ...
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What is Haskell used for in the real world? [closed]

...f you want to know "why Haskell?", then you need to consider advantages of functional programming languages (taken from https://c2.com/cgi/wiki?AdvantagesOfFunctionalProgramming): Functional programs tend to be much more terse than their ImperativeLanguage counterparts. Often this leads to en...
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Embed SVG in SVG?

... Use the image element and reference your SVG file. For fun, save the following as recursion.svg: <svg width="100%" height="100%" viewBox="-100 -100 200 200" version="1.1" xmlns="http://www.w3.org/2000/svg"> <circle cx="-50" cy="-50" r="30" style="fill:red" /> ...
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Is C++14 adding new keywords to C++?

... The alternative tokens for logical operators are not mentioned in those tables? Are they not C++ keywords? – Nikos Athanasiou Aug 19 '14 at 19:20 ...
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what is the function of webpages:Enabled in MVC 3 web.config

...="webpages:Enabled" value="true" />. You also need to add the Microsoft.AspNet.WebPages package to packages.config using NuGet. share | improve this answer | follow ...
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How to have an auto incrementing version number (Visual Studio)? [duplicate]

... This also works great for generating a build-specific cache busting token for JS and CSS references. – Kelly Adams Mar 30 '13 at 0:17 3 ...
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Should programmers use SSIS, and if so, why? [closed]

...ou'll get much more return on your training. Also finding and maintaining functionality in a VS solution is so very much easier. Unit testing with VS is easy. All I need to do is to check in the source in Subversion, and verify how it loaded. Unit testing SSIS packages is very involved to put it mi...
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How can I set Image source with base64

...@TruthSerum we are not using it, since we switch to a React stack. But for fun, do you have statistical evidence to prove your claim? Do you really think that there are no legacy web apps using jQuery? Your comment is based on your personal opinion, and really a waste of my personal time. Also if y...
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ViewModel Best Practices

...Max Toro: surprised you got downvoted so much. After some time working on ASP.Net MVC, I am feeling a lot of pain from having all the ViewModels in one place, all the controllers in another, and all the Views in yet another. MVC is a trio of related pieces, they are coupled - they support each oth...
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Soft hyphen in HTML ( vs. ­)

...73;? Once they reach the DOM they are literally the same; only in the HTML tokenizer are they at all different. – gsnedders Sep 30 '15 at 14:04  |  ...