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How to permanently export a variable in Linux?
... but restarting (as far as I know)
A Simple Solution
I've written a simple script for these procedures to do all those work. You just have to set the name and value of your environment variable.
#!/bin/bash
echo "Enter variable name: "
read variable_name
echo "Enter variable value: "
read variable_v...
PHP function overloading
...----------------------------------------------------
function pre($mixed, $title=null){
$output = "<fieldset>";
$output .= $title ? "<legend><h2>$title</h2></legend>" : "";
$output .= '<pre>'. print_r($mixed, 1). '</pre>';
$output .= "</fi...
Displaying the build date
...ome trivial code generation which probably is the first step in your build script already. That, and the fact that ALM/Build/DevOps tools help a lot with this and should be preferred to anything else.
I leave the rest of this answer here for historical purposes only.
The new way
I changed my mind...
When do we have to use copy constructors?
... a class that has dynamically allocated content. For example you store the title of a book as a char * and set the title with new, copy will not work.
You would have to write a copy constructor that does title = new char[length+1] and then strcpy(title, titleIn). The copy constructor would just do...
Export Postgresql table data using pgAdmin
...
it generates dump having table data script starts with COPY command not INSERT. Anyway to generate script with INSERT commands.
– Muhammad Imran Tariq
Jun 29 '12 at 7:42
...
Check if a string matches a regex in Bash script
One of the arguments that my script receives is a date in the following format: yyyymmdd .
5 Answers
...
MySQL order by before group by
...you have the following sample data:
CREATE TABLE wp_posts
(`id` int, `title` varchar(6), `post_date` datetime, `post_author` varchar(3))
;
INSERT INTO wp_posts
(`id`, `title`, `post_date`, `post_author`)
VALUES
(1, 'Title1', '2013-01-01 00:00:00', 'Jim'),
(2, 'Title2', '2013-02-01 ...
jquery how to empty input field
...re
$('#form-id')[0].reset();
});
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
</head>
<body>
<form id="form-id">
First name:<br>
<input type="text" name="firstname">
...
Convert camelCaseText to Sentence Case Text
...
Example without side effects.
function camel2title(camelCase) {
// no side-effects
return camelCase
// inject space before the upper case letters
.replace(/([A-Z])/g, function(match) {
return " " + match;
})
// replace first char with upper ca...
How do I clear this setInterval inside a function?
...eed jQuery for this. If you really want a vanilla version, ask -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<p id="counter">&nbsp;</p>
<button id="pauseInterval">Pause/unpause</button></p>
...