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Quote from: WicultyLS on May 31, 2024, 02:46 PMElevate your career trajectory with Wiculty Learning Solutions' all-encompassing DevOps certification program. This meticulously crafted curriculum provides a balanced mix of in-depth theoretical knowledge and hands-on practical skills. Dive deep into essential DevOps tools and methodologies, mastering continuous integration, continuous deployment, infrastructure as code, and advanced monitoring and logging techniques. Our program is designed to ensure that you not only learn but excel, with engaging projects and real-world scenarios that prepare you to meet and exceed industry expectations.

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Quote from: OmMuruga on Feb 07, 2009, 01:26 PMTypes of Program Errors

    There are three basic types of program errors. Obviously, your objective is to write programs that are totally free of program errors. Program errors are also referred to as program bugs . (The term " bug " was created because one of the earliest program errors ever detected involved a moth flying into the computer and short - circuiting the electronics. The process of removing program errors is called debugging .) While that goal is laudable, every programmer, no matter how seasoned, writes programs that contain errors. A skilled programmer, however, can detect, isolate, and correct program errors more quickly than a less skilled programmer. Also, experienced programmers do make fewer programming errors simply because of their experience. The lesson here is that you should expect to make a lot of program errors in the beginning . . . every beginner does.

        In the beginning you will start off with the " flat - forehead " type of programming error. Those are the kind of errors that, when you do find them, you slam the heel of your hand into your forehead while mumbling, " How could I make such a silly mistake? " Relax. We ' ve all made those mistakes ... and still do! The key is not to get discouraged. View each program error as a challenge and learn from the experience. Alas, as your programming skills advance, so will the type of errors you make. While there will be fewer errors as you gain experience, those errors you do make tend to become more sophisticated and harder to isolate and fix.
Let ' s take a quick overview of the three types of program errors. I will have a lot more to say about errors For now, however, let ' s just categorize the types of program errors.

   Syntax Errors

            The first type of error is a syntax error. You already know that syntax errors are caused when you don ' t obey the syntax rules of C#. A common syntax rule you might make in the beginning is forgetting to terminate each program statement with a semicolon.
Intellisense does an excellent job of catching syntax errors. While you may hate the squiggly line
that Intellisense displays, it ' s a lot easier for Intellisense to detect and isolate syntax errors than it is for you to do it yourself.


Logic Errors

       Logic errors are those errors that remain after all the semantic and syntax errors have been removed. Usually, logic errors manifest themselves when the result the program produces doesn ' t match the result your test data suggest it should produce. Most of the time, logic errors are found in the Process  . Logic errors occur when you implement the algorithm for solving the problem incorrectly.
The key to fixing logic errors is to be able to reproduce the error consistently. A repeatable logic error is much easier to track down and fix than an error that appears to be occurring randomly. you will learn the details of using some of the tools Visual Studio provides to help you detect and isolate program bugs.)

Semantic Errors
 
        A semantic error occurs when you obey the syntax rules of the language but are using the statement out of context. For example, check out  a sentence in English is expected to have a noun and a verb. Consider the sentence " The dog  meowed. " This sentence does obey the rules of having a noun and a verb, but the context of the sentence is out of whack. Dogs don ' t meow, therefore the context of the statement is incorrect. The error message I showed you earlier:
The name 'i' does not exist in the current context refers to a type of semantic error. There may well be a variable named i defined somewhere in the program, but it is not currently in scope. That is, you are trying to use i when it is out of scope.Intellisense does a good job of detecting semantic errors.
 

Program errors fall into three main types:

Syntax Errors: Occur when code violates language rules (e.g., missing semicolons). Tools like Intellisense help catch these.
Logic Errors: Happen when the program runs but produces incorrect results due to flawed algorithms or logic. Debugging involves replicating and analyzing the issue.
Semantic Errors: Arise when code follows syntax rules but is contextually incorrect (e.g., using a variable out of scope).
Every programmer makes mistakes—embrace them as learning opportunities!

Quote from: dhilipkumar on May 18, 2009, 06:37 PMThe Best Free Software of 2009

1. Circle Dock
circledock.wikidot.com
Windows
Who says a dock has to actually... dock? To the side of the screen, that is. Circle Dock brings up a spiraling launcher interface with all the icons you want to click. Rotate it with the wheel on your mouse and change the skin to suit your desktop.

2. ObjectDock
www.stardock.com
Windows
Replace the Windows Taskbar and Quick Launch toolbar with this Mac-like animated toolbar of icons for all your programs. It comes with a few "docklets" for displaying info like the time, weather, and a Web search form.

3.   Launchy
www.launchy.net
Windows | Linux
"Keystroke launcher" is a fancy way of saying "command line," but if you like to type rather than click for control—a practice that goes well beyond app launching—Launchy is your best choice.

4.   Quicksilver
www.blacktree.com
Mac OS
Quicksilver does more from the keyboard than just launch programs. It can act on any item you can find or drag on your Mac. Quicksilver plug-ins add even more functions.

pcmag

Looking for free software gems from 2009? Check these out:

Circle Dock: A circular, customizable launcher for Windows.
ObjectDock: A Mac-style toolbar replacement for Windows.
Launchy: A powerful keystroke launcher for Windows/Linux.
Quicksilver: A multitasking marvel for Mac users.
Classic tools for smoother workflows!

Quote from: OmMuruga on Feb 07, 2009, 01:26 PMTypes of Program Errors

    There are three basic types of program errors. Obviously, your objective is to write programs that are totally free of program errors. Program errors are also referred to as program bugs . (The term " bug " was created because one of the earliest program errors ever detected involved a moth flying into the computer and short - circuiting the electronics. The process of removing program errors is called debugging .) While that goal is laudable, every programmer, no matter how seasoned, writes programs that contain errors. A skilled programmer, however, can detect, isolate, and correct program errors more quickly than a less skilled programmer. Also, experienced programmers do make fewer programming errors simply because of their experience. The lesson here is that you should expect to make a lot of program errors in the beginning . . . every beginner does.

        In the beginning you will start off with the " flat - forehead " type of programming error. Those are the kind of errors that, when you do find them, you slam the heel of your hand into your forehead while mumbling, " How could I make such a silly mistake? " Relax. We ' ve all made those mistakes ... and still do! The key is not to get discouraged. View each program error as a challenge and learn from the experience. Alas, as your programming skills advance, so will the type of errors you make. While there will be fewer errors as you gain experience, those errors you do make tend to become more sophisticated and harder to isolate and fix.
Let ' s take a quick overview of the three types of program errors. I will have a lot more to say about errors For now, however, let ' s just categorize the types of program errors.

   Syntax Errors

            The first type of error is a syntax error. You already know that syntax errors are caused when you don ' t obey the syntax rules of C#. A common syntax rule you might make in the beginning is forgetting to terminate each program statement with a semicolon.
Intellisense does an excellent job of catching syntax errors. While you may hate the squiggly line
that Intellisense displays, it ' s a lot easier for Intellisense to detect and isolate syntax errors than it is for you to do it yourself.


Logic Errors

       Logic errors are those errors that remain after all the semantic and syntax errors have been removed. Usually, logic errors manifest themselves when the result the program produces doesn ' t match the result your test data suggest it should produce. Most of the time, logic errors are found in the Process  . Logic errors occur when you implement the algorithm for solving the problem incorrectly.
The key to fixing logic errors is to be able to reproduce the error consistently. A repeatable logic error is much easier to track down and fix than an error that appears to be occurring randomly. you will learn the details of using some of the tools Visual Studio provides to help you detect and isolate program bugs.)

Semantic Errors
 
        A semantic error occurs when you obey the syntax rules of the language but are using the statement out of context. For example, a sentence in English is expected to have a noun and a verb. Consider the sentence " The dog  meowed. " This sentence does obey the rules of having a noun and a verb, but the context of the sentence is out of whack. Dogs don ' t meow, therefore the context of the statement is incorrect. The error message I showed you earlier:
The name 'i' does not exist in the current context refers to a type of semantic error. There may well be a variable named i defined somewhere menuland.ph in the program, but it is not currently in scope. That is, you are trying to use i when it is out of scope.Intellisense does a good job of detecting semantic errors.
 

There are three main types of program errors:

Syntax Errors: Caused by not following the language's rules (e.g., missing semicolons). Tools like Intellisense help catch these easily.
Logic Errors: Occur when the program runs but produces incorrect results due to flawed logic. These require debugging and consistent reproduction to fix.
Semantic Errors: Arise when code is syntactically correct but used incorrectly in context (e.g., using a variable out of scope).
Expect errors as a beginner and view them as learning opportunities. Debugging is part of the process!

Quote from: VelMurugan on May 21, 2009, 08:25 PM
Multidimensional Arrays

In the preceding examples you've learned how to use arrays. But what if you want to give more information on each flower? You now have the cost, but what if you wanted to add the number of flowers you get for that price, and the colour of the flower? One of the ways to do it is using multidimensional arrays.

A multidimensional array is an array that contains at least one other array as the value of one of the indexes. Example below shows how to use multidimensional array:

Code Select Expand

<script type="text/javascript">

//Initialize the array using the Array() constructor.
var flower_shop = new Array();

flower_shop['rose'] = new Array( "5.00", "7 items", "red" );
flower_shop['daisy'] = new Array( "4.00", "3 items", "blue" );
flower_shop['orchild'] = new Array( "2.00", "1 item", "white" );

//print "rose costs 5.00, and you get 2 items."
document.write( "rose costs "   flower_shop['rose'][0]   ", and you get "   flower_shop['rose'][1]   ".<br>");
//print "daisy costs 4.00, and you get 3 items."
document.write( "daisy costs "   flower_shop['daisy'][0]   ", and you get "   flower_shop['daisy'][1]   ".<br>");
//print "orchild costs 2.00, and you get 1 item.
document.write( "orchild costs "   flower_shop['orchild'][0]   ", and you get "   flower_shop['orchild'][1]   ".<br>");

</script>

In JavaScript, arrays are versatile collections that can store various data types. You can create them with square brackets [] or the Array() constructor. For named keys, JavaScript uses objects instead of associative arrays. Multidimensional arrays (arrays within arrays) are handy for grid-like data structures.

Quote from: VelMurugan on May 21, 2009, 08:25 PMJavaScript: Arrays

Arrays are a fundamental part of most programming languages and scripts. Arrays are simply an ordered stack of data items. Each element of the array can store its own data, just like a variable, thus you can say arrays are collections of variables. Items can be added and removed from the array at any time, also their value can be changed easily. One other feature of the arrays, which is specific to JavaScript is that the elements in the array can be of different types. For example in an array you can have both a string and an integer.

Using arrays, you can store multiple values under a single name. Instead of using a separate variable for each item, you can use one array to hold all of them.

    * Creating Arrays

    * Associative Arrays

    * Multidimensional Arrays

Arrays are essential in programming for organizing multiple data items. In JavaScript, arrays can store different data types, including strings and integers, in one collection. You can easily add, remove, or change values in an array.

Key topics include:

Creating Arrays: Arrays can be created using square brackets ([]) or the Array() constructor.

Associative Arrays: JavaScript technically doesn't support associative arrays (arrays with named keys); objects are used instead.

Multidimensional Arrays: Arrays within arrays, useful for storing data in a grid-like format (e.g., array[j]).