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Java 8 Iterable.forEach() vs foreach loop
...up with facts, I have done some micro-benchmarks with Caliper. Here is the test code (latest Caliper from git is needed):
@VmOptions("-server")
public class Java8IterationBenchmarks {
public static class TestObject {
public int result;
}
public @Param({"100", "10000"}) int ele...
Fundamental difference between Hashing and Encryption algorithms
...ial for an attacker to just run a dictionary through the hash function and test each result.
Adding a salt helps matters since it adds a bit of unknown data to the hash. So instead of finding anything that matches md5(foo), they need to find something that when added to the known salt produces md5...
Omitting all xsi and xsd namespaces when serializing an object in .NET?
... Formatting= System.Xml.Formatting.Indented;}
public override void WriteStartDocument () { }
public override void WriteStartElement(string prefix, string localName, string ns)
{
base.WriteStartElement("", localName, "");
}
}
Suppose this is the type:
// explicitly speci...
How to use Servlets and Ajax?
...2686</title>
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<script>
$(document).on("click", "#somebutton", function() { // When HTML DOM "click" event is invoked on element with ID "somebutton", execute the following function....
Is it possible to use Java 8 for Android development?
...t. JRE 8 installation is not necessary and it can be skipped
Go to JDK 7 latest stable release page http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html
Download JDK 7u65 and install it. JRE 7 installation is again not necessary and it can be skipped
Add JDK 8 home fol...
When is the thread pool used?
...erver in Node.js and call sleep on one of my routed path events (such as "/test/sleep"), the whole system comes to a halt. Even the single listener thread. But my understanding was that this code is happening on the worker pool.
There is no sleep mechanism in JavaScript. We could discuss this more...
Oracle 11.2.0.4 RAC FOR redhat 6.4 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...ers, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options
SQL> alter system set local_listener='(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=172.16.110.100)(PORT=1521))))' sid='PROD1';
System altered.
SQL> alter system set local_listener='(DESC...
What is the correct way of using C++11's range-based for?
...s of a more complex class, with custom copy constructor, etc.
// A sample test class, with custom copy semantics.
class X
{
public:
X()
: m_data(0)
{}
X(int data)
: m_data(data)
{}
~X()
{}
X(const X& other)
: m_data(other.m_data)
{ ...
What C++ Smart Pointer Implementations are available?
...compile-time directive, allowing it to be used to help catch bugs in debug/test/beta modes while incurring no overhead cost in release mode.
Here is an article describing why and how to use them. (Note, shameless plug.)
sha...
Java 256-bit AES Password-Based Encryption
...isk as (output) File.
*
* I left CipherInputStream in here as a test to see if I could mix it with the update() and final() methods of encrypting
* and still have a correctly decrypted file in the end. Seems to work so left it in.
*
* @param input - File object represent...