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Laravel is a free open source Web Framework of PHP
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Objective C or Swift - Which Technology to Learn for iOS Development?
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How to display the dates for the next six Saturdays?
In PHP, to display the dates for the next six saturdays you need to write the following script.
<?php
$startdate=strtotime("Saturday");
$enddate=strtotime("+6 weeks",$startdate);
while ($startdate < $enddate) {
echo date("M d",...
What is "Back-End Testing" and "DB Testing"?
"Back-End Testing" and "DB Testing" is the same term. In this we use to verify the DB with regard to the data which we submit though UI / getting delivered on the UI. Major entity around which the whole testing activity revolves is "Data". Some o...
Change array keys in LOWER or UPPER case
Hello friends,
If you want to change the array keys in either upper case or lower case then you can use a predefined array function of PHP which is "array_change_key_case()". array_change_key_case returns an array with all keys from array lowe...
Replacing all instances in a string
You can replace all instance in a string using str_replace with the help of str_replace function.
In this example, str_replace replaces all instances of abc with xyz like this:
echo str_replace("abc","xyz","abcdefghijklmn");
the output w...
Predefined Filter Constants in PHP
There are many predefined Filter Constants in PHP which is passed as a second parameter value in the filter_var() function. Some of them are:
FILTER_VALIDATE_BOOLEAN: Used to validate a boolean.
FILTER_VALIDATE_EMAIL: It is used to validate...
Replace part of string at particular position
You can easily replace a part of string at a given postion of a substring with the help of string function known as substr_replace
$string2="abcdefghijklmnop";
if (strpos($string2,"abcd")!==false)
{
$pos=strpos("abcd",$string2);
$l...
Sanitize and Validate a URL
To sanitize and validate a URL a function filter_var() is used. It also removes all the illegal characters from the URL. It includes two parameters one is the variable that is needed to check and other is the type of the variable. If you want to...
Bootstrap
Bootstrap is the framework in which responsive designs can be made. Responsive design means which can be fit to any device of any resolution
Bootstrap is a free front-end framework for faster and easier web development
Bootstrap inc...
SQL Tutorial -> Sql ORDER BY
<-- Chapter 16: SQL And & Or
Chapter 17
SQL ORDER BY
ORDER BY is the keyword used to sort the database table data by one or more columns. ORDER BY sort the Records in Ascending order by default. To sort the Record in Descending Ord...
How Utility method removes leave intervals from a base interval in openerp
In openerp It will first clean the leave intervals, to have an ordered list of not-overlapping intervals and initiate the current interval to be the base interval then before finishing skip the current interval and go to next beginning after the ...
filter_var() Function
In PHP, to validate and sanitize external input filters are used. filter_var() function is used which perform both validate and sanitize external input. It takes two parameter:
variable: It specify the variable you want to check.
type: It s...
Token in User Management
Token Is the unique identification assigned to every registered user on the time of creation. Each user is maintained in that portal or site using this token id. Token are also used for resetting user password in .NET application W...
How to send HTML email in PHP
In today's world of internet, Email become one of the most popular and demanded service. Email become a necessary part of web development, email can be generate and send on different events such as registration of new users, activation of account...
What is the process of QA testing used in most companies?
QA process had several phases used in most companies, which are following:-
1.) Test Plan
2.) Test Cases
3.) Review
4.) Execute
5.) Improve
6.) Defects logging
1.) Test Plan: - We have to make test plan/arrangement in which we need ...
SQL Tutorial > Sql And & Or
<-- Chapter 15: SQL <= Operator
Chapter 16
SQL And & Or
AND/OR Operators are used in SQL statements to filter the Records based on more than one condition. AND Operator display the records in which all the specified conditions a...
Load Generator And Load Testing
What Are Load Generator And Load Testing ?
Load Generator:-Load generator is an approach which pretended load to execute performance testing. Load generator can perform the sql performance testing or simultaneity testing. This is a method by w...
Custom Pagination With Bootstrap
Hi All,
I recently required to created a custom pagination with the help of Bootstrap in my core PHP project. I thought that my code may help others also who wish to create the same.
The reason why I am using Bootstrap is as it ease our wor...
SQL Tutorial > Sql <= Operator
<-- Chapter 14: SQL >= Operator
Chapter 15
SQL <= Operator
Lets see an example from the below table "employees" :-
employee_id
name
code
designation
salary
101
ABC
E-101
Engineer
12000
102
DEF
E-1...
SQL Tutorial > Sql >= Operator
<-- Chapter 13: SQL < Operator
Chapter 14
SQL >= Operator
Lets see an example from the below table "employees" :-
employee_id
name
code
designation
salary
101
ABC
E-101
Engineer
12000
102
DEF
E-10...
How to find the number of words and number of characters in a string?
Find the number of words in a string:
In PHP, to find number of words in a string a function str_word_count() is used. It includes three parameters:
string: It a required parameter which specify the string to check.
return:It is an optiona...
SQL Tutorial -> Sql < Operator
<-- Chapter 12: SQL > Operator
Chapter 13
SQL < Operator
Lets see an example from the below table "employees" :-
employee_id
name
code
designation
salary
101
ABC
E-101
Engineer
12000
102
DEF
E-102...
How can we prevent SQL-injection in PHP?
Hello Readers ,
For preventing SQL injection we can do by two ways :
1- > Escaping the special characters in your post or get variables , or
2-> By using a parameterized query.
Both would protect you from SQL injection.
Ex...
SQL Tutorial -> Sql > Operator
<-- Chapter 11: SQL BETWEEN Operator
Chapter 12
SQL > Operator
Lets see an example from the below table "employees" :-
employee_id
name
code
designation
salary
101
ABC
E-101
Engineer
12000
102
DEF
E-...
Search For a Specific Text Within a String
In PHP, to search for a specific text within a string a function strpos() is used. It includes 3 parameters:
string: It is required parameter which specify the string to search.
find: It is also a required parameter which specify the string t...
MongoDB - Indexing
Indexes in MongoDB effective execution of query, Otherwise MongoDB must scan all documents inside of the collection to fetch document match the find statement. This scanning process is profoundly inefficient and require the MongoDB to handle a va...
How to use base64_encode() in PHP ?
Hi Reader's,
Welcome to FindNerd, today we are going to discuss How to use base64_encode() in PHP ?
If you want to convert any string into MIME base64 then base64_encode() function is very useful and simple process
let see syntax of bas...
How to upload restricted image in PHP ?
Hi Reader's,
Welcome to FindNerd, today we are going to discuss How to upload restrict file in PHP ?
If you want upload only jpg, gif image and other type of images not allow to upload
then, you have to use bellow php code:
<?php
...
SQL Tutorial -> SQL BETWEEN Operator
<-- Chapter 10: SQL LIKE Operator
Chapter 11
SQL BETWEEN Operator
Lets see an example from the below table "employees" :-
employee_id
name
code
designation
salary
101
ABC
E-101
Engineer
12000
102
DEF
E-...
What is process to make custom session timeout in php ?
Hi Reader's,
Welcome to FindNerd, today we are going to discuss What is process to make custom session timeout in php ?
If you want to make the custom php session which will destroy automatic when page is not refreshing so long time.
yo...
SQL Tutorial -> Sql LIKE Operator
<-- Chapter 9: SQL != Operator
Chapter 10
SQL LIKE Operator
Lets see an example from the below table "employees" :-
employee_id
name
code
designation
salary
101
ABC
E-101
Engineer
12000
102
DEF
E-102
D...
SQL Tutorial -> Sql != Operator
<-- Chapter 8: SQL = Operator
Chapter 9
SQL != Operator
Lets see an example from the below table "employees" :-
employee_id
name
code
designation
salary
101
ABC
E-101
Engineer
12000
102
DEF
E-102
Docto...
Related fields in Odoo-9
Related is used to define value of a related field which is given by following a sequence of relational fields and reading a field on the reached model. The complete sequence of fields to traverse is specified by the attribute and records.
Exam...
How to delete data from a table in MySQL?
To delete data from a table we can use either DELETE or TRUNCATE.
DELETE
If we want to delete a record from table then we use DELETE FROM statement.
Syntax:
Below statement deletes rows from table on the basis of where condition, we...
Jquery .is() method
Hello Readers,
In this blog we will discuss how to use the jQuery .is() method. Jquery .is() method is an important filtering method used generally in callback functions like event handlers.
If there no element fits, or the selector...
Computed fields in Odoo-9
The reason of computed fields is been used is because it defines a filed whose value is computed rather then simply being read from the database.
Below are the attributes that are specific to computed fields. To define such a field, simply provi...
compute in Odoo-9
compute value is used to show the res.partner value and return a decorator that specifies the field dependencies of a "compute" method (for new-style function fields). Each argument must be a string that consists in a dot-separated sequence of fi...
Method decorators in Odoo-9
If you want to show the database value and In the "traditional" style you can use method decorators.
Here parameters like the database cursor, user id, context dictionary and record ids (usually denoted as cr,uid, context, ids) a...
Control Flow Functions
Hello friends,
Today I am here to explain the control flow function of mysql. Some times you want to get the result with respect to some conditions then you can use these functions.
Here are 4 type of control flow function which are following...
Replace all white spaces with a single space in PHP
Hello friends,
Today I am here to explain you that how to replace all white spaces with a single space in php with the help of pregamatch method. You can use following method.
$input = 'Hello firends. how are you.';
$outpu...
UPPER(str) mysql function
UPPER(str)
UPPER() function returns the string str with all characters changed to uppercase according to the current character set mapping means if you want to get a string with all character in upper case then you can use this function.
He...
jquery event.target
Hello Readers,
Definition: The DOM(Document Object Model) element that initiated the event.
It is often useful to compare event.target to this in order to determine if the event is being handled due to event bubbling.
The target pr...
TRIM mysql function
TRIM([{BOTH | LEADING | TRAILING} [remstr] FROM] str), TRIM([remstr FROM] str)
TRIM mysql function is used for trimming a given character even left or right and if not given then both side. If trimming character is not passed with this functio...
How to pass mulitple values to update records with a single query
Hello Readers if you want to update mulitple record by multiple id, then you have to use in clause in MySql
Lets see the example as below:-
$ids = array(474,25, 99,101);
Here I have an array $ids with multiple id's. Now this array w...
SUBSTRING mysql function
SUBSTRING(str,pos), SUBSTRING(str FROM pos), SUBSTRING(str,pos,len), SUBSTRING(str FROM pos FOR len)
SUBSTRING mysql function returns substring from a string. You can use this function with some above types.
If you pass only one argument with...
How to pass an arrray in PHP via Ajax
Hello Readers if you want to send the array into another PHP page then you can use the code below:-
I have array made by function .push. In array is very large data. How is the best way send this to PHP script?
dataString = array(a->b);...
SQL Tutorial -> Sql = Operator
<-- Chapter 7: SQL NOT IN Operator
Chapter 8
SQL = Operator
Lets see an example from the below table "employees" :-
employee_id
name
code
designation
salary
101
ABC
E-101
Engineer
12000
102
DEF
E-102
D...
SQL Tutorial -> Sql NOT IN Operator
<-- Chapter 6: SQL IN Operator
Chapter 7
SQL NOT IN Operator
Lets see an example from the below table "employees" :-
employee_id
name
code
designation
salary
101
ABC
E-101
Engineer
12000
102
DEF
E-102
...
SPACE(N) mysql function
SPACE(N)
If you want to add spaces in a string then you can use SPACE function of mysql. SPACE function returns a string consisting of N space characters means SPACE will returns the white space equal to passed argument n, where n is a intege...
SQL Tutorial -> Sql IN Operator
<-- Chapter 5: SQL Where
Chapter 6
SQL IN Operator
Lets see an example from the below table "employees" :-
employee_id
name
code
designation
salary
101
ABC
E-101
Engineer
12000
102
DEF
E-102
Doctor
80...
How to add two objects into one using PHP
Hello Reader's if you want to add two or more objects into one. Then you can see it into the example below:-
Ideally if you want the data to be together, you should have a parent class which has all these member functions and you should have a...
