While loop ( Example python 3.3)

While loop
If you want to keep running the same piece of  code many times in some specific condition, we could be provide loops method.

Loops must have the loop condition that may be true or false.
These of code is called loop body for a loop.

answer = "no"    ---->     first declared  the variable answer for store a string  
while answer == "no":   ---> the loop condition
answer = input("Are we there? ")  --> The loop body
print("We're there!")   --> final out put 

print ("Welcome!")
guess = 0
while guess != 5:
    g = input("Guess the number: ")
    guess = int(g)
if guess == 5:
    print("You win!")
else:
    if guess > 5:
        print("Too high")
    else:
        print("Too low")

print("Game over!")



Source form : Orelly Head First Programming

Regular Expressions: Special Characters

We need to using the following  attribute  when applying something  regular  expression object to describes a pattern of characters.

CSS selectors

CSS selectors

Selectors are important role for using CSS (Cascading Style Sheets) on web design.
Typically most common and widely selectors could been divided into 5 categories.

• Types of selector Class
  ID, Universal and Pseudo-classes can be used to target different
  elements in HTML.
• Class Selectors
  Classes can be applied to as many elements as you want, and CSS
  can be used to target them.
• ID Selectors
  An ID can only be applied to one element in a document, and can be
  combined with classes.
• Descendant Selectors
  Descendant selectors can be used to target elements based on the
  ancestors, for example a <h2> inside a <div> with a class of planet
• Pseudo-Classes
  Pseudo-classes can be used to style elements based on user
  interaction, for example a link that has been visited.

Unicode Encoding Schemes

Unicode Encoding Schemes

PHP Full Text Search Error

When you run the php website involved to full text search  that might be occurs this problem.

SQL query :

 
$q = "SELECT uname,post_date,subject,message FROM forum WHERE MATCH (message) 
AGAINST ( '$target') ORDER BY post_date ASC";


“Warning: mysqli_num_rows( ) expects parameter 1 to be
mysqli_result, boolean"

Database engine type : innoDB


You need to choose Full Text Search for the table.



SQL syntax :

ALTER TABLE FORUM ADD FULLTEXT(column )

Example



ALTER TABLE table_test  ADD FULLTEXT(message_test)

SHA1 encryption

When we have to involved to develop a interactive web site such as online forum or e commercial simultaneously we need to store and protect the information of user. Password security problem would be usually occurs to mostly website. Developer should be considered majority of scenario or circumstances for choosing a appropriate method for password encryption. SHA1('$p') is a function for protecting a password. The acronym SHA stands for Secure Hash Algorithm, which is a security measure created by the US National Security Agency. It instructs MySQL to encode the password by converting it to a string 40 characters.





 SQL syntax:


 VALUES (' ', '$fn', '$ln', '$e', SHA1('$p'), NOW() )";

Shibuya Hikarie Gorgeous building short movie

Shibuya Hikarie

Gorgeous building short movie 

 The Shibuya Hikarie (渋谷ヒカリエ) is a Tokyu skyscraper and retail complex completed in 2012 and located in the Shibuya shopping district of Tokyo, Japan