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How to get the last element of a slice?
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They left it outside consciously. It was non-obvious and prone to errors. Go overall is circumspect about 'too much meaning'; it also doesn't feature method/operator overloading, default values for function params, etc. which IMHO goes in a similar philosophical vein. See this ...
MySQL IF NOT NULL, then display 1, else display 0
...ULL) AS addressexists
This works because TRUE is displayed as 1 in MySQL and FALSE as 0.
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C++, What does the colon after a constructor mean? [duplicate]
...e the body of the constructor executes.
For case #1, I assume you understand inheritance (if that's not the case, let me know in the comments). So you are simply calling the constructor of your base class.
For case #2, the question may be asked: "Why not just initialise it in the body of the cons...
Convert a list to a string in C#
...;string>. However 4.0 was released in April 2010, before this question and answer were posted so perhaps the folks here were just not yet aware of it (other than a few down below)
– Andrew Steitz
Sep 7 '17 at 21:06
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Best way to find if an item is in a JavaScript array? [duplicate]
...ample, see Erik Arvidsson's array extras (also, the associated blog post). And then you can use indexOf without worrying about browser support. Here's a slightly optimised version of his indexOf implementation:
if (!Array.prototype.indexOf) {
Array.prototype.indexOf = function (obj, fromIndex) ...
How do you get the file size in C#?
I need a way to get the size of a file using C#, and not the size on disk. How is this possible?
7 Answers
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How do you exit from a void function in C++?
...turn statement!
return;
or
if (condition) return;
You don't need to (and can't) specify any values, if your method returns void.
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Decoding JSON using json.Unmarshal vs json.NewDecoder.Decode
... developing an API client where I need to encode a JSON payload on request and decode a JSON body from the response.
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Html.RenderPartial() syntax with Razor
...method that writes to the response stream. A void method, in C#, needs a ; and hence must be enclosed by { }.
Partial() is a method that returns an MvcHtmlString. In Razor, You can call a property or a method that returns such a string with just a @ prefix to distinguish it from plain HTML you have ...
TypeScript: casting HTMLElement
...s further, suppose you use $('[type:input]').each( function(index,element) and you need element to be cast to HTMLInputElement or HTMLSelectElement depending on which property you need to set/get, casting use (<HTMLSelectElement><any>element).selectedIndex=0; adds () around element , kin...