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How do I import a Swift file from another Swift file?
...o test then.
On newer versions of Swift it's only necessary to add the @testable keyword.
PrimeNumberModelTests.swift
import XCTest
@testable import MyProject
class PrimeNumberModelTests: XCTestCase {
let testObject = PrimeNumberModel()
}
And your internal methods can keep Internal
PrimeNu...
Hash Code and Checksum - what's the difference?
...me value. When used as a means of indexing in data structures (e.g. a hash table), a low collision probability is desirable.
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When is the init() function run?
...s this way.
A lot of the internal Go packages use init() to initialize tables and such, for example https://github.com/golang/go/blob/883bc6/src/compress/bzip2/bzip2.go#L480
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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
...eatly slows down the performance. (In contrast, Intel C++ Compiler , executable icc , will eliminate the library call for pow(a,6) .)
...
What is the claims in ASP .NET Identity
...nformation, when data
addes to AspNetUserClaims and what situations this table using for?
When you are in a situation where a Role-Based Security is not used, and you chose to use Claim-Based
Security, you would need to utilize AspNetUserClaims table.
For how to use Claims in ASP.NET Identity, s...
What are the rules for evaluation order in Java?
...re in-depth example below.
As a General Rule of Thumb:
It's best to have a table of the Order of Precedence Rules and Associativity available to read when solving these questions e.g. http://introcs.cs.princeton.edu/java/11precedence/
Here is a good example:
System.out.println(3+100/10*2-13);
Quest...
Are there other whitespace codes like   for half-spaces, em-spaces, en-spaces etc useful in HTML
...ce :   or  
span{background-color: red;}
<table>
<tr><td>non breaking space:</td><td> <span>&#160;</span> or <span>&nbsp;</span></td></tr>
<tr><td>narrow no-break space:</td>&l...
What is the performance cost of having a virtual method in a C++ class?
...ss (or any of its parent classes) means that the class will have a virtual table, and every instance will have a virtual pointer.
...
What's the difference between including files with JSP include directive, JSP include action and usi
...tions that include <jsp:include> VS. <%@ include %>
comparison table:
Including Files and Applets in JSP
Pages
Another nice tutorial from coreservlets.com related to tag libraries and
tag files:
Creating Custom JSP Tag Libraries: The
Basics
The official Java EE 5 Tutorial with examples:
...
From inside of a Docker container, how do I connect to the localhost of the machine?
...Here my container has the IP address 172.17.1.192. Now look at the routing table:
root@e77f6a1b3740:/# route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default 172.17.42.1 0.0.0.0 UG 0 0 0 eth0
172.17.0.0 ...