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What is the difference between const and readonly in C#?

...nforce this. The runtime also happens not to enforce that you don't change string.Empty to "Hello, world!", but I still wouldn't claim that this makes string.Empty modifiable, or that code shouldn't assume that string.Empty will always be a zero-length string. – user743382 ...
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How do I change the android actionbar title and icon

...er, if they're the same icon. As for what it says, add or change whatever strings match up to that in your res/values/strings.xml file. Then, once again in your AndroidManifest.xml file, change this line: android:label="@string/app_name" to whatever the string you have in their. You'll have to...
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Difference between a “coroutine” and a “thread”?

...the baton among each other more fluidly). Threads are (at least conceptually) a form of concurrent processing: multiple threads may be executing at any given time. (Traditionally, on single-CPU, single-core machines, that concurrency was simulated with some help from the OS -- nowadays, since so...
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Separate Back Stack for each tab in Android using Fragments

... everywhere in project public class AppConstants{ public static final String TAB_A = "tab_a_identifier"; public static final String TAB_B = "tab_b_identifier"; //Your other constants, if you have them.. } nothing to explain here.. 3. Ok, Main Tab Activity- Please go through commen...
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Jasmine JavaScript Testing - toBe vs toEqual

... For primitive types (e.g. numbers, booleans, strings, etc.), there is no difference between toBe and toEqual; either one will work for 5, true, or "the cake is a lie". To understand the difference between toBe and toEqual, let's imagine three objects. var a = { bar: 'ba...
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How can I lookup a Java enum from its String value?

I would like to lookup an enum from its string value (or possibly any other value). I've tried the following code but it doesn't allow static in initialisers. Is there a simple way? ...
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What do

...case class Foo[A](a:A) { // 'A' can be substituted with any type // getStringLength can only be used if this is a Foo[String] def getStringLength(implicit evidence: A =:= String) = a.length } The implicit argument evidence is supplied by the compiler, iff A is String. You can think of it a...
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C# delete a folder and all files and folders within that folder

... Read the Manual: Directory.Delete Method (String, Boolean) Directory.Delete(folderPath, true); share | improve this answer | follow ...
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Does Swift have access modifiers?

... types of "private" and "fileprivate": class A { private var aPrivate: String? fileprivate var aFileprivate: String? func accessMySelf() { // this works fine self.aPrivate = "" self.aFileprivate = "" } } // Declaring "B" for checking the abiltiy of accessing...
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Get the IP address of the remote host

...osted) or self-hosted. The code below shows how this can be done. private string GetClientIp(HttpRequestMessage request) { if (request.Properties.ContainsKey("MS_HttpContext")) { return ((HttpContextWrapper)request.Properties["MS_HttpContext"]).Request.UserHostAddress; } if...