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Using $_POST to get select option value from HTML
...']
A good place for more information would be the PHP manual: http://php.net/manual/en/tutorial.forms.php
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How to specify in crontab by what user to run script? [closed]
...b are under user root and group root.
How can i make it to run under user www-data and group www-data so when i run scripts from my website i can manipulate those folders and files?
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How do I generate random numbers in Dart?
...with a seed. It provides a familiar interface to what you would expect in .NET, it was ported from mono's Random.cs. This code may not be cryptography safe and has not been statistically tested.
get CSS rule's percentage value in jQuery
... Awesome solution! Here's a pure-js equivalent of the script jsfiddle.net/Sjeiti/2qkftdjd
– Sjeiti
Jul 1 '15 at 11:49
1
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Insert picture into Excel cell [closed]
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There is some faster way (https://www.youtube.com/watch?v=TSjEMLBAYVc):
Insert image (Ctrl+V) to the excel.
Validate "Picture Tools -> Align -> Snap To Grid" is checked
Resize the image to fit the cell (or number of cells)
Right-click on the image and...
What are the differences between git branch, fork, fetch, merge, rebase and clone?
...ords that both mean copy
Please see this diagram. (Originally from http://www.dataschool.io/content/images/2014/Mar/github1.png).
.-------------------------. 1. Fork .-------------------------.
| Your GitHub repo | <-------------- | Joe's GitHub repo |
| github.com/you/cool...
What are the recommendations for html tag?
...ential pitfalls for others.
I'll use a base tag of: <base href="http://www.example.com/other-subdirectory/"> as my example in the cases below, and will pretend that the page that the code is on is http://localsite.com/original-subdirectory
Major:
No links or named anchors or blank hrefs wil...
Finding all possible combinations of numbers to reach a given sum
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The solution of this problem has been given a million times on the Internet. The problem is called The coin changing problem. One can find solutions at http://rosettacode.org/wiki/Count_the_coins and mathematical model of it at http://jaqm.ro/issues/volume-5,issue-2/pdfs/patterson_harmel.pdf (or ...
How do I get SUM function in MySQL to return '0' if no values are found?
...table
WHERE ...
To see it in action, please see this sql fiddle: http://www.sqlfiddle.com/#!2/d1542/3/0
More Information:
Given three tables (one with all numbers, one with all nulls, and one with a mixture):
SQL Fiddle
MySQL 5.5.32 Schema Setup:
CREATE TABLE foo
(
id INT NOT NULL AUT...
Disable cache for some images
... javascript, here is an example...
<img id=graph alt=""
src="http://www.kitco.com/images/live/gold.gif"
/>
<script language="javascript" type="text/javascript">
var d = new Date();
document.getElementById("graph").src =
"http://www.kitco.com/images/live/gold.gif?v...