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How does the XmlSerializer work? What ACL permissions does a process using it require?
How does the XmlSerializer work? What ACL permissions does a process using it require? XmlSerializer requires write permission to the system’s TEMP directory. 2014-02-21, 2845👍, 0💬

What can go wrong if you replace &emp;&emp; with &emp; in the following code: String a=null; if (a!=null && a.length()&gt;10) {
What can go wrong if you replace &emp;&emp; with &emp; in the following code: String a=null; if (a!=null && a.length()&gt;10) {...} A single ampersand here would lead to a NullPointerException. 2012-06-19, 2845👍, 0💬

How is rounding performed under integer division?
How is rounding performed under integer division? The fractional part of the result is truncated. This is known as rounding toward zero. 2012-11-14, 2843👍, 0💬

How do I sort a hash by the hash value?
How do I sort a hash by the hash value? Here's a program that prints the contents of the grades hash, sorted numerically by the hash value: #!/usr/bin/perl -w # Help sort a hash by the hash 'value', not the 'key'. to highest). sub hashValueAscendingNum { $grades{$a} &lt;=&gt; $grades{$b}; } ... 2013-09-10, 2842👍, 0💬

What happens when a page is statically included in another JSP page?
What happens when a page is statically included in another JSP page? An include directive tells the JSP engine to include the contents of another file (HTML, JSP, etc.) in the current page. This process of including a file is also called as static include. 2013-08-15, 2837👍, 0💬

Is String a primitive data type in Java?
Is String a primitive data type in Java? No String is not a primitive data type in Java, even though it is one of the most extensively used object. Strings in Java are instances of String class defined in java.lang package. 2013-06-25, 2831👍, 0💬

What are the different identifier states of a Thread?
What are the different identifier states of a Thread? The different identifiers of a Thread are: R - Running or runnable thread S - Suspended thread CW - Thread waiting on a condition variable MW - Thread waiting on a monitor lock MS - Thread suspended waiting on a monitor lock 2013-02-07, 2831👍, 0💬

The Equivalent Html Control for the &lt;input type=”checkbox”> tag is
The Equivalent Html Control for the &lt;input type=”checkbox”> tag is The Equivalent Html Control for the &lt;input type=”checkbox”> tag is * HtmlCheckBox * HtmlInputChkBox * HtmlInputCheckBox * HtmlInputTypeChkBox HtmlInputCheckBox 2014-06-23, 2823👍, 0💬

Why would you use a synchronized block vs. synchronized method?
Why would you use a synchronized block vs. synchronized method? Synchronized blocks place locks for shorter periods than synchronized methods. 2012-07-27, 2823👍, 0💬

What's new with the stop(), suspend() and resume() methods in JDK 1.2?
What's new with the stop(), suspend() and resume() methods in JDK 1.2? The stop(), suspend() and resume() methods have been deprecated in JDK 1.2. 2012-06-05, 2823👍, 0💬

How to concatenate strings with Perl?
How to concatenate strings with Perl? Method #1 - using Perl's dot operator: $name = 'checkbook'; $filename = "/tmp/" . $name . ".tmp"; Method #2 - using Perl's join function $name = "checkbook"; $filename = join "", "/tmp/", $name, ".tmp"; Method #3 - usual way of concatenating strings $filename = ... 2013-09-19, 2821👍, 0💬

How do I print the entire contents of an array with Perl?
How do I print the entire contents of an array with Perl? To answer this question, we first need a sample array. Let's assume that you have an array that contains the name of baseball teams, like this: @teams = ('cubs', 'reds', 'yankees', 'dodgers'); If you just want to print the array with the arra... 2013-09-24, 2819👍, 0💬

Ms.
My browser says connection failed & at top of page it says empty page? It won't let me send or receive pictures, or download. Every thing work great for 2nite so it's not my location. I got a few songs blue toothed to my cell and few mins later it refused to go online. I have deleted those blue ... 2013-09-03, 2818👍, 0💬

What is the purpose of finalization?
What is the purpose of finalization? The purpose of finalization is to give an unreachable object the opportunity to perform any cleanup processing before the object is garbage collected. 2012-06-28, 2815👍, 0💬

If EXPR is an arbitrary expression, what is the difference between $Foo::{EXPR} and *{"Foo::".EXPR}?
If EXPR is an arbitrary expression, what is the difference between $Foo::{EXPR} and *{"Foo::".EXPR}? The second is disallowed under `use strict "refs"'. Dereferencing a string with *{"STR"} is disallowed under the refs stricture, although *{STR} would not be. This is similar in spirit to the way ${"... 2013-09-16, 2814👍, 0💬

What is the page directive is used to prevent a JSP page from automatically creating a session?
What is the page directive is used to prevent a JSP page from automatically creating a session? &lt;%@ page session="false"&gt; 2013-08-08, 2814👍, 0💬

What is the purpose of the File class?
What is the purpose of the File class? The File class is used to create objects that provide access to the files and directories of a local file system. 2012-07-27, 2814👍, 0💬

What is Serialization and deserialization?
What is Serialization and deserialization? Serialization is the process of writing the state of an object to a byte stream. Deserialization is the process of restoring these objects. 2012-08-09, 2809👍, 0💬

What is the highest-level event class of the event-delegation model?
What is the highest-level event class of the event-delegation model? The java.util.EventObject class is the highest-level class in the event-delegation class hierarchy. 2012-12-05, 2803👍, 0💬

How do you write a function that can reverse a linked-list?
How do you write a function that can reverse a linked-list? void reverselist(void) { if(head==0) return; if(head-&gt;next==0) return; if(head-&gt;next==tail) { head-&gt;next = 0; tail-&gt;next = head; } else { node* pre = head; node* cur = head-&gt;next; node* curnext = cur-&... 2012-01-26, 2802👍, 0💬

Calculating Most Frequent Number
Can you write a computer code for the following problem: Given an online stream of infinite numbers, print out the most frequent number. Here is a solution in Java: import java.io.*; import java.util.*; public class MostFrequent { public static void main(String[] a) { int mapMax = 99; // Most freque... 2013-12-19, 2798👍, 0💬

Can an inner class declared inside of a method access local variables of this method?
Can an inner class declared inside of a method access local variables of this method? It's possible if these variables are final. 2012-06-19, 2798👍, 0💬

What is NullPointerException and how to handle it?
What is NullPointerException and how to handle it? When an object is not initialized, the default value is null. When the following things happen, the NullPointerException is thrown: --Calling the instance method of a null object. --Accessing or modifying the field of a null object. --Taking the len... 2012-05-17, 2798👍, 0💬

What value does readLine() return when it has reached the end of a file?
What value does readLine() return when it has reached the end of a file? The readLine() method returns null when it has reached the end of a file. 2012-10-05, 2796👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML