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I am taking the course “Advanced Databases and Datawarehousing” this semester. As a part of the course, i am supposed to work with either oracle or MYSQL or any other equivalent db.

Instead of working in the labs at the campus ( well, i need to apply and get a valid login from the IT guy at UofL, then take time out of my 20 hours/week schedule, plus swimming , plus taking care of my new kitty, plus hello its snowing, how the deuce do you expect me to go to campus.. and yeah, did i mention i DONT have a car?), i would rather take time to install one that i like on my super hot laptop!

I need to post more pics of my laptop and my kitty .. uh well. so here the first step towards installation of MYSQL.

step1: Choose which db software you want to install. I chose MYSQL because, well i played with Oracle 7.3 when i was a kid(well, 4 years ago i was a kid).

Step2: google “MYSQL APACHE PHP all in one installation”. Well, what do you know, the first of the results leads to XAMPP. OFCOURSE!!

Step3: INSTALL XAMPP

Step4: Need to post more on followups!

ADIOS!

Cool Software, I Love Programming!, I Love Tech, MYSQL, MYSQL on windows xp, UofL, UofL Courses: CECS, Windows XP xampp with mysql Cool Software, I Love Programming!, I Love Tech, MYSQL, MYSQL on windows xp, UofL, UofL Courses: CECS, Windows XP, xampp with mysql

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How to remove hyperlinks from a column in Microsoft Excel?

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How to remove hyperlinks from a column in Microsoft Excel?

admin — Tue, 20 Nov 2007 19:57:41 +0000

I love visual basic… yes its having the word basic..but its so much more than that now!!

Many times when you export data from internet or just plain copy-paste when nothing else works, most of the HTML carries itself with the data into excel. Heres some code to remove hyperlinks from a column in excel.

**************

Sub RemoveHyperlink()

Dim Cell As Range

For Each Cell In Intersect(Selection, ActiveSheet.UsedRange)

On Error Resume Next

Cell.Hyperlinks.Delete

Next Cell

End Sub

**********************

All you gotta do you run the macro after selecting the range of cells with hyperlinks

Coding in Visual Basic, Cool Software, I Love Programming!, Macro to remove hyperlinks, Microsoft Excel MS Office 2007 Coding in Visual Basic, Cool Software, I Love Programming!, Macro to remove hyperlinks, Microsoft Excel, MS Office 2007

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SORTING ALGORITHM: BUBBLE SORT

admin — Tue, 10 Apr 2007 02:08:30 +0000

Bubble Sort

This is probably the simplest way sort an array of objects. Not to ignore the fact that it is also the slowest way!

The goal is to compare two neighboring objects.

Step1:Swap them if they are in the wrong order.

Given an array a of numbers, with length n, here’s a snippet of C code for bubble sort:

for (i=0; i< a[j]) {  /* compare the two neighbors */
tmp = a[j];         /* swap a[j] and a[j+1]      */
a[j] = a[j+1];
a[j+1] = tmp;
}
}

algorithm bubble sort bubble sort algorithm algorithm bubble sort, bubble sort algorithm

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Coco /R : Playing with how COMPILERS work!

admin — Mon, 05 Mar 2007 01:18:55 +0000

COCO

Summary	Coco/R reads an attributed EBNF grammar of a language and translates it into a recursive descent parser and a scanner for that language. Using Coco/R, compilers can be generated that are as efficient as hand-coded and carefully optimized production quality compilers. Almost as important as efficiency is the simplicity and adequacy of the system. Programmers are not willing to use a tool if it does not come in handy to their work, if it uses an arcane notation or a bulk of options and special cases. Coco/R puts simplicity and efficiency over power.
Published Papers	Click here to find papers
Source Code	Click here to obtain COCO
Manuals	Click here for manual

Design of Compilers, I Love Programming! UofL Design of Compilers, I Love Programming!, UofL

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UTF-8 and Unicode Standards :: What is UTF-8?

admin — Sat, 03 Mar 2007 17:36:45 +0000

UTF-8 stands for Unicode
Transformation
Format-8. It is an octet (8-bit)
lossless encoding of Unicode characters.

UTF-8 encodes each Unicode character as a variable number of 1 to 4
octets, where the number of octets depends on the integer value assigned
to the Unicode character. It is an efficient encoding of Unicode
documents that use mostly US-ASCII characters because it represents each
character in the range U+0000 through U+007F as a single octet. UTF-8
is the default encoding for XML.

Standards

RFC 3629: UTF-8, a transformation format of ISO 10646. November 2003.
The Unicode Standard 5.0, November 2006. [purchase from Amazon.com]: In particular, see the informal
description of UTF-8 in sections 2.5 and 2.6, pages 30-32, and a
much more formal
definition in sections 3.9 and 3.10, pages 77-81.

Articles and background reading

UTF-8 and Unicode FAQ for Unix/Linux by Markus Kuhn
Forms of Unicode, an excellent overview by Mark Davis
Wikipedia UTF-8 contains a good discussion of why five- and six-octet sequences are now illegal UTF-8
Unicode Transformation Formats [czyborra.com]
Unicode UTF-8 FAQ
Unicode in XML and other Markup Languages: Unicode Technical Report #20
The Absolute Minimum Every Software Developer Absolutely, Positively Must Know About Unicode and Character Sets (No Excuses!), an amusing and informative article by Joel Spolsky

Character Sets

The MIME character set attribute for UTF-8 is UTF-8.
Character sets are case-insensitive, so utf-8 is equally
valid. [IANA Character
Sets].

In an HTML file, place this tag inside …
:

In an XML prolog, the encoding is typically specified as an
attribute:

In Apache server config or .htaccess, this will cause the HTTP header
to be generated for text/html and text/plain
content:

AddDefaultCharset UTF-8

:) IAintABlonde.com

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Installation Steps: NS 2 (Network Simulator 2.2.9) with CYGWIN

admin — Tue, 13 Feb 2007 01:18:43 +0000

It took almost 36 hours for me to acheive this. So just for those trying out the same, here are the pdf files with installation steps. They helped my installation.

One of them is with the wizard options partly english/chineese. But if you are brainy enough to try NS 2 with CYGWIN, im sure you can figure out what it means.

Here is the first PDF.

Here is another PDF for the installation steps.

Dont hesitate to ask if you need any further help. I will share the steps that worked for me. If you need to know how to set the environment variables, check my previous post.

By the way, below is the environment for this installation:

WINDOWS XP/mine is media center edition and it works!
CYGWIN Current version
NS2-2-9 (checked that 2.30 isnt working, it took 4 hours to realise this!)

Here are few sites where you can see the tutorials & download some examples to see if they are working.

http://nile.wpi.edu/NS/
http://www.item.ntnu.no/fag/ttm4150/labs/ns2win.html
http://www.isi.edu/nsnam/ns/tutorial/ (find examples to run here!)

i do this to run, say example1a.tcl:

1. Start CYGWIN (installed at C:\Cygwin)

2. cd .. (there is space after cd)

3. cd prathima (thats my directory where i installed NS2 at : root:\home, in other words at : “C:\cygwin\home\Prathima”)

4. startX (case sensitive, this is to start the shell for accessing ns!)

5. in the new window, ns .tcl

6. Output for NAM opens

7. In Hyderabadi style i would have to ask..Party?

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What is ur excuse to learn a Programming language?

admin — Fri, 05 Jan 2007 18:35:25 +0000

Here is a funny approach to mathematically see how a programming language is better than another.

Let L be the set of all programming languages ever conceived past, present, and future.

The meta-question, M, thus becomes:

Among all members of L, which is the “best” and thus, which should I learn and use?

A variant of M, let’s call it M’, is: Is L(x) “better” than L(y)?

Let P be the purpose for which you wish to learn a “best” language.

Let A be the answer to M or M’ with condition P as a constraint.

A is thus the following set:

P = “I am interested in the design of languages and/or language theory.”

Learn as many members of L as time permits. Do not pollute L with your own ideas until you really understand what you are doing and what has already been done. Then do so only if you are convinced you can materially add to the state-of-the-art with original and useful work. The world does not need another language just so you can prove that you understand LR(1) grammars. Implement a subset of at least one existing language yourself to see just how hard this is to do well.

P = “I need to become/stay employable.”

Survey common practice in your profession of choice and determine the most common operating systems, GUIs, and languages already in use and the probable evolution of these items in the next several ears. Based on this information, you should select one procedural language, one object language, one scripting language, and, possibly, one assembly language which will comprise your core skill set. In selecting these, also consider the availability of supporting tools like standard libraries, debuggers, language-sensitive editors, profilers, and so on. If you have some choice of languages, always prefer those that share a common link format and have compatible inter-language calling APIs. If it comes down to a tie, pick the older language because it will almost always have fewer bugs.

P = “I want to make lots of money.”

Quit programming. Become a rock star, actor, or corrupt politician. The odds of getting rich in these fields, however slight, are probably better than in programming.

P = “I’ve heard that OO is the way to do things, so I want the best OO language.”

OO is one way to crack a problem. It is not the only way. More importantly, it is often not a good way. A solid OO language should be in your bag of tricks, but it’s not the only thing you will need.
P = “I want to produce code faster.”
Type faster. It doesn’t matter what you type because if speed is your goal you’ll just become expert at writing buggy code, so why bother with syntax and semantics at all? Correct code is always produced by people who are thoughtful and deliberate about what they are doing. Oh, and in the long run, they’re almost always faster getting things done too.
P = “I’m very nerdy. All I like to do is code on as many different platforms with as many different languages as I can. My Resume’ is 14 pages long. I have not been out of the house since 1982. Please help.”

Get a life. Read some poetry, or better still, write some (without using curly braces or semicolons). Learn a musical instrument that does not require electricity in any form. Get a low-tech hobby like gardening or sewing. You are an Addict - I feel your pain. As a recovery strategy, consider volunteering your skills to a cause that’s worth your time and effort and which requires you to interact with people who have absolutely no clue how a computer works. Do something good for your body and your spirit. I strongly recommend at least one high-activity sport (channel surfing does not qualify). Collect something other than computer manuals.

P = “I want to be famous.”

Rob a bank and get caught. OR Write a ton of really useful code and then give it away.

P = “I’m bored, I need a new challenge.”

If you already know more than 5 languages, consider joining the Navy SEALs - they are very busy at the moment and are always looking for an Adventurer just like you. If you are over 19 and this is therefore impractical, get married and raise children. You will never be bored.

:) IAintABlonde.com

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