getting timestamp in JavaScript

I am describing here getting timestamp in JavaScript. In development,so many times we do the date and time manipulation and If we need to do it client side means we need to use JavaScript.

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Number of days in a month

PHP provides functions to get the number of days in a month for a specified year and calendar. We can use date(‘t’) or cal_days_in_month. See syntax, parameters and examples in rest of the article.

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Use functions.php to create child theme in WordPress

The old way to create child theme in WordPress is to place a style.css file in your child theme folder and import the parent stylesheet into the child theme. But WordPress documentation stated the use functions.php to create child theme in WordPress and use wp_enqueue_style() to enqueue the parent stylesheet.

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Difference between Attr and Prop in jQuery

Many developers confused with the Attr and Prop keyword in jQuery. So We are describing here the difference between Attr and Prop in jQuery. The segregation of attr() and prop() should help alleviate some of the confusion between HTML attributes and DOM properties.

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Disable or enable an input field with jQuery

For jQuery 1.6 or above there is prop() function and lower jQuery versions have attr() function which can be used to disable or enable an input field. Further more DOM object’s disabled property also works with any version of jQuery to disable or enable an input field.

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last day of month in mysql

Sometimes we need to get the last day of the month on specific date in mysql becoz every month has different last day eg. FEB. may have 28 or 29, JAN has 31 and APR has 30.

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DAY in MySQL

DAY() in MySQL returns the day of the month for a specified date. The day returned will be within the range of 1 to 31. If the given date is ‘2013-03-13’, the function will return 13.

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Merge two arrays in PHP

The array_merge() function merges the elements of one or more arrays together so that the values of one are appended to the end of the previous one. It returns the resulting array.

<?php
$A1=array("apple","papaya");
$A2=array("banana","grapes");
print_r(array_merge($A1,$A2));
?> 

Output would be :
Array ( [0] => apple[1] => papaya[2] => banana [3] => grapes ) 

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