.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

<< < … 128 129 130 131 132 133 134 135 136 137 138 … > >>   Sort: Date

What does read() return at end of file?
What does read() return at end of file? 0 A defined (but false) 0 value is the proper indication of the end of file for read() and sysread(). 2013-09-09, 2649👍, 0💬

How to Retrieve Warnings?
How to Retrieve Warnings? SQLWarning objects are a subclass of SQLException that deal with database access warnings. Warnings do not stop the execution of an application, as exceptions do; they simply alert the user that something did not happen as planned. A warning can be reported on a Connection ... 2013-07-15, 2649👍, 0💬

What is transient variable?
What is transient variable? Transient variable can't be serialize. For example if a variable is declared as transient in a Serializable class and the class is written to an ObjectStream, the value of the variable can't be written to the stream instead when the class is retrieved from the ObjectStrea... 2013-03-29, 2649👍, 0💬

How do I include static files within a JSP page?
How do I include static files within a JSP page? Static resources should always be included using the JSP include directive. This way, the inclusion is performed just once during the translation phase. Do note that you should always supply a relative URL for the file attribute. Although you can also... 2013-07-17, 2648👍, 0💬

If my class already extends from some other class what should I do if I want an instance of my class to be thrown as an exceptio
If my class already extends from some other class what should I do if I want an instance of my class to be thrown as an exception object? One can not do anytihng in this scenarion. Because Java does not allow multiple inheritance and does not provide any exception interface as well. 2013-05-30, 2648👍, 0💬

How many bits are used to represent Unicode, ASCII, UTF-16, and UTF-8 characters?
How many bits are used to represent Unicode, ASCII, UTF-16, and UTF-8 characters? Unicode requires 16 bits and ASCII require 7 bits. Although the ASCII character set uses only 7 bits, it is usually represented as 8 bits. UTF-8 represents characters using 8, 16, and 18 bit patterns. UTF-16 uses 16-bi... 2012-09-27, 2647👍, 0💬

What's the difference between an interface and an abstract class?
What's the difference between an interface and an abstract class? An abstract class may contain code in method bodies, which is not allowed in an interface. With abstract classes, you have to inherit your class from it and Java does not allow multiple inheritance. On the other hand, you can implemen... 2012-05-21, 2646👍, 0💬

What does this do? gacutil /l | find /i “about”
What does this do? gacutil /l | find /i “about” Answer1: This command is used to install strong typed assembly in GAC Answer2: gacutil.exe is used to install strong typed assembly in GAC. gacutil.exe /l is used to lists the contents of the global assembly cache. |(pipe) symbol is used to filte... 2014-02-19, 2645👍, 0💬

What is the difference between a static and a non-static inner class?
What is the difference between a static and a non-static inner class? A non-static inner class may have object instances that are associated with instances of the class's outer class. A static inner class does not have any object instances. 2012-11-06, 2644👍, 0💬

What is the purpose of the wait(), notify(), and notifyAll() methods?
What is the purpose of the wait(), notify(), and notifyAll() methods? The wait(),notify(), and notifyAll() methods are used to provide an efficient way for threads to wait for a shared resource. When a thread executes an object's wait() method, it enters the waiting state. It only enters the ready s... 2012-10-31, 2644👍, 0💬

Can a double value be cast to a byte?
Can a double value be cast to a byte? Yes, a double value can be cast to a byte. 2012-10-25, 2641👍, 0💬

What is the List interface?
What is the List interface? The List interface provides support for ordered collections of objects. 2013-04-10, 2640👍, 0💬

Can a top level class be private or protected?
Can a top level class be private or protected? No. A top level class can not be private or protected. It can have either "public" or no modifier. If it does not have a modifier it is supposed to have a default access.If a top level class is declared as private the compiler will complain that the "mo... 2013-05-15, 2639👍, 0💬

Is sizeof a keyword?
Is sizeof a keyword? The sizeof operator is not a keyword. 2012-10-01, 2638👍, 0💬

What is thread?
What is thread? A thread is an independent path of execution in a system. 2012-06-07, 2635👍, 0💬

So can a COM object talk to a .NET object?
So can a COM object talk to a .NET object? Yes, through Runtime Callable Wrapper (RCW) or PInvoke. 2014-12-02, 2633👍, 0💬

What happens when a thread cannot acquire a lock on an object?
What happens when a thread cannot acquire a lock on an object? If a thread attempts to execute a synchronized method or synchronized statement and is unable to acquire an object's lock, it enters the waiting state until the lock becomes available. 2012-11-14, 2632👍, 0💬

How do I mix JSP and SSI #include?
How do I mix JSP and SSI #include? Answer 1 If you're just including raw HTML, use the #include directive as usual inside your .jsp file. But it's a little trickier if you want the server to evaluate any JSP code that's inside the included file. If your data.inc file contains jsp code you will have ... 2013-08-05, 2630👍, 0💬

What is native code?
What is native code? The native code is code that after you compile it, the compiled code runs on a specific hardware platform. 2013-02-21, 2630👍, 0💬

What is the difference between Swing and AWT components?
What is the difference between Swing and AWT components? AWT components are heavy-weight, whereas Swing components are lightweight. Heavy weight components depend on the local windowing toolkit. For example, java.awt.Button is a heavy weight component, when it is running on the Java platform for Uni... 2012-08-22, 2629👍, 0💬

Does the code in finally block get executed if there is an exception and a return statement in a catch block?
Does the code in finally block get executed if there is an exception and a return statement in a catch block? If an exception occurs and there is a return statement in catch block, the finally block is still executed. The finally block will not be executed when the System.exit(1) statement is execut... 2012-08-10, 2629👍, 0💬

Can one create a method which gets a String and modifies it?
Can one create a method which gets a String and modifies it? No. In Java, Strings are constant or immutable; their values cannot be changed after they are created, but they can be shared. Once you change a string, you actually create a new object. For example: String s = "abc"; //create a new String... 2012-08-24, 2628👍, 0💬

What are the XML files that are important in developing an ASP.NET application?
What are the XML files that are important in developing an ASP.NET application? The XML file necessary for the for developing an asp.net application is Web.config 2014-09-22, 2627👍, 0💬

What is an abstract method?
What is an abstract method? An abstract method is a method whose implementation is deferred to a subclass. 2012-11-01, 2626👍, 0💬

<< < … 128 129 130 131 132 133 134 135 136 137 138 … > >>   Sort: Date

.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