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Why use the 'ref' keyword when passing an object?

...) { obj = new Object(); } public void Method2(object obj) { obj = _privateObject; } The methods above does not modifies the original object. A little modification of your example using System; class Program { static void Main(string[] args) { ...
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Make a URL-encoded POST request using `http.NewRequest(…)`

...alues{} data.Set("name", "foo") data.Set("surname", "bar") u, _ := url.ParseRequestURI(apiUrl) u.Path = resource urlStr := u.String() // "https://api.com/user/" client := &http.Client{} r, _ := http.NewRequest(http.MethodPost, urlStr, strings.NewReader(data.Encode()...
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iOS start Background Thread

...ou'd probably be better off using Grand Central Dispatch, though: dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ [self getResultSetFromDB:docids]; }); GCD is a newer technology, and is more efficient in terms of memory overhead and lines of code. Updated w...
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Get local IP address in node.js

... @CarterCole you need an extra call to .values() before flatten. – Guido Mar 4 '15 at 9:41 3 ...
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What is “callback hell” and how and why does RX solve it?

... clear definition together with a simple example that explains what is a "callback hell" for someone who does not know JavaScript and node.js ? ...
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Precision String Format Specifier In Swift

...sing string interpolation (which is much more readable) then you could put all the formatting extensions in a file elsewhere and reference it throughout your project. Of course, ideally Apple should provide the formatting library. – Anton Tcholakov Dec 20 '14 a...
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Calculate distance between two latitude-longitude points? (Haversine formula)

...a that the Wikipedia article uses? Is it more efficient and/or more numerically stable? – musiphil Dec 20 '12 at 3:47 ...
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TypeError: ObjectId('') is not JSON serializable

... Pymongo provides json_util - you can use that one instead to handle BSON types share | improve this answer | follow ...
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What does this symbol mean in JavaScript?

...ncatenation, and subtraction operators; unary sign operators What does = +_ mean in JavaScript, Single plus operator in javascript What's the significant use of unary plus and minus operators? Why is [1,2] + [3,4] = "1,23,4" in JavaScript? Why does JavaScript handle the plus and minus operators bet...
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Differences between Agda and Idris

...gt; a -> b -> Type where refl : x = x while in Agda, it is data __ {l} {A : Set l} (x : A) : A → Set a where refl : xx The l in the Agda defintion can be ignored, as it has to do with the universe polymorphism that Edwin mentions in his answer. The important difference is...