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What does undefined value mean in JavaScript?
What does undefined value mean in JavaScript? Undefined value means the variable used in the code doesn't exist or is not assigned any value, or the property doesnt exist. 2011-01-18, 4127👍, 0💬

What are the problems associated with using JavaScript, and are there JavaScript techniques that you discourage?
What are the problems associated with using JavaScript, and are there JavaScript techniques that you discourage? Browser version incompatibility is the biggest problem. It requires knowing how each scriptable browser version implements its object model. You see, the incompatibility rarely has to do ... 2010-09-21, 4125👍, 0💬

What is difference between COMPILE_ALL=SPECIAL and COMPILE=ALL while compiling Forms ?
What is difference between COMPILE_ALL=SPECIAL and COMPILE=ALL while compiling Forms ? Both the options will compile all the PL/SQL in the resultant .FMX, .PLX, or .MMX file but COMPILE_ALL=YES also changes the cached version in the source .FMB, .PLL, or .MMB file. This confuses version control and ... 2011-11-17, 4122👍, 0💬

How to make a array as a stack using JavaScript?
How to make a array as a stack using JavaScript? The pop() and push() functions turn a harmless array into a stack: &lt;script type="text/javascript"> var numbers = ["one", "two", "three", "four"]; numbers.push("five"); numbers.push("six"); document.write(numbers.pop()); document.write(numbers.p... 2011-07-26, 4118👍, 0💬

What is FullTrust? Do GAC’ed assemblies have FullTrust?
What is FullTrust? Do GAC’ed assemblies have FullTrust? Your code is allowed to do anything in the framework, meaning that all (.Net) permissions are granted. The GAC has FullTrust because it’s on the local HD, and that has FullTrust by default, you can change that using caspol 2014-02-19, 4116👍, 0💬

Is it necessary that each try block must be followed by a catch block?
Is it necessary that each try block must be followed by a catch block? It is not necessary that each try block must be followed by a catch block. It should be followed by either a catch block OR a finally block. And whatever exceptions are likely to be thrown should be declared in the throws clause ... 2013-06-03, 4116👍, 0💬

How tp create Arrays using JavaScript??
How tp create Arrays using JavaScript?? &lt;script type="text/javascript"> var days = new Array(); days[0] = "Sunday" days[1] = "Monday" days[2] = "Tuesday" days[3] = "Wednesday" days[4] = "Thursday" days[5] = "Friday" days[6] = "Saturday" document.write("first day is "+days[0]) &lt;/script>... 2011-07-12, 4115👍, 0💬

Anything wrong with this code?
Anything wrong with this code? T *p = 0; delete p; Note: Typical wrong answer: Yes, the program will crash in an attempt to delete a null pointer. The candidate does not understand pointers. A very smart candidate will ask whether delete is overloaded for the class T. 2012-05-10, 4113👍, 0💬

How to delete an entry using JavaScript?
How to delete an entry using JavaScript? The "delete" operator removes an array element, but oddly does not change the size of the array. &lt;script type="text/javascript"> var days = ["Sunday","Monday","Tuesday"," Wednesday","Thursday","Friday","Saturday" ];document.write("Number of days:"+days... 2011-07-19, 4110👍, 0💬

How to add Buttons in JavaScript?
How to add Buttons in JavaScript? The most basic and ancient use of buttons are the "submit" and "clear", which appear slightly before the Pleistocene period. Notice when the "GO!" button is pressed it submits itself to itself and appends the name in the URL. &lt;form action="" name="buttonsGalo... 2010-07-13, 4097👍, 0💬

What is an orthogonal base class? C++
What is an orthogonal base class? C++ If two base classes have no overlapping methods or data they are said to be independent of, or orthogonal to each other. Orthogonal in the sense means that two classes operate in different dimensions and do not interfere with each other in any way. The same deri... 2012-01-16, 4093👍, 0💬

What is the difference between undefined value and null value?
What is the difference between undefined value and null value? Undefined value cannot be explicitly stated that is there is no keyword called undefined whereas null value has keyword called null. typeof undefined variable or property returns undefined whereas typeof null value returns object 2011-01-18, 4093👍, 0💬

Anything wrong with this code?
Anything wrong with this code? T *p = new T[10]; delete p; Note: Incorrect replies: “No, everything is correct”, “Only the first element of the array will be deleted”, “The entire array will be deleted, but only the first element destructor will be called”. 2012-05-09, 4086👍, 0💬

What’s a quick way to append a value to an array?
What’s a quick way to append a value to an array? arr[arr.length] = value; 2010-12-28, 4086👍, 0💬

What does the term sticky session mean in a web-farm scenario?
What does the term sticky session mean in a web-farm scenario? Why would you use a sticky session? What is the potential disadvantage of using a sticky session? Sticky session refers to the feature of many commercial load balancing solutions for web-farms to route the requests for a particular sessi... 2011-01-04, 4078👍, 0💬

What is a fixed-width table and its advantages?
What is a fixed-width table and its advantages? Fixed width tables are rendered by the browser based on the widths of the columns in the first row, resulting in a faster display in case of large tables. Use the CSS style table-layout:fixed to specify a fixed width table. If the table is not specifie... 2010-07-06, 4074👍, 0💬

How to shift and unshift using JavaScript?
How to shift and unshift using JavaScript? &lt;script type="text/javascript"> var numbers = ["one", "two", "three", "four"]; numbers.unshift("zero"); document.write(" "+numbers.shift()); document.write(" "+numbers.shift()); document.write(" "+numbers.shift()); &lt;/script> This produces zero... 2011-08-02, 4066👍, 0💬

How to create a confirmation box?
How to create a confirmation box? confirm("Do you really want to launch the missile?"); 2011-03-08, 4061👍, 0💬

You’re given a simple code for the class BankCustomer. Write the following function
You’re given a simple code for the class BankCustomer. Write the following functions: * Copy constructor * = operator overload * == operator overload * + operator overload (customers’ balances should be added up, as an example of joint account between husband and wife) Note:Anyone confusing assignme... 2012-05-08, 4060👍, 0💬

What is deadlock? C++
What is deadlock? C++ Deadlock is a situation when two or more processes prevent each other from running. Example: if T1 is holding x and waiting for y to be free and T2 holding y and waiting for x to be free deadlock happens. 2012-04-09, 4055👍, 0💬

If I write System.exit (0); at the end of the try block, will the finally block still execute?
If I write System.exit (0); at the end of the try block, will the finally block still execute? No in this case the finally block will not execute because when you say System.exit (0); the control immediately goes out of the program, and thus finally never executes. 2013-06-04, 4054👍, 0💬

What is difference between ICM, Standard Managers and CRM in Concurrent Manager ?
What is difference between ICM, Standard Managers and CRM in Concurrent Manager ? # ICM stand for Internal Concurrent Manager, which controls other managers. If it finds other managers down , it checks and try to restart them. You can say it as administrator to other concurrent managers. It has othe... 2011-12-19, 4053👍, 0💬

Is a JavaScript script faster than an ASP script?
Is a JavaScript script faster than an ASP script? Yes. Since JavaScript is a client-side script it does not require the web server's help for its computation, so it is always faster than any server-side script like ASP, JSP, PHP, etc.. 2010-08-31, 4044👍, 0💬

Name the numeric constants representing max, min values
Name the numeric constants representing max, min values Number.MAX_VALUE Number.MIN_VALUE 2010-12-14, 4038👍, 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