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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) .)
...
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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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...
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...
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...
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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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 ...