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Calculate the center point of multiple latitude/longitude coordinate pairs
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I found this post very useful so here is the solution in PHP. I've been using this successfully and just wanted to save another dev some time.
/**
* Get a center latitude,longitude from an array of like geopoints
*
* @param array data 2 dimensional array of latitudes and longit...
How do I manage conflicts with git submodules?
...t very hard to tell which commit you actually wanted. We've used composer (php) as a package manager, which I actually like since it creates a lock file locking the repos to a certain hash. However, since we are using node_modules within multiple repos, we would run into conflicting modules here and...
On Duplicate Key Update same as insert
...lue pairs by using SET instead of (a,b,c) VALUES(a,b,c).
An example with PHP:
$pairs = "a=$a,b=$b,c=$c";
$query = "INSERT INTO $table SET $pairs ON DUPLICATE KEY UPDATE $pairs";
Example table:
CREATE TABLE IF NOT EXISTS `tester` (
`a` int(11) NOT NULL,
`b` varchar(50) NOT NULL,
`c` text ...
How to repeat a string a variable number of times in C++?
...he link for a 'full' explanation
http://www.java-samples.com/showtutorial.php?tutorialid=458
cout.width(11);
cout.fill('.');
cout << "lolcat" << endl;
outputs
.....lolcat
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i...
How to copy to clipboard in Vim?
...e support. Download a different version as per ubuntuforums.org/showthread.php?t=1686955
– Sparhawk
Aug 3 '13 at 5:39
67
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MongoDB: Is it possible to make a case-insensitive query?
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This works perfectly. Got it working in PHP with: $collection->find(array('key' => new MongoRegex('/'.$val.'/i')));
– Luke Dennis
Dec 9 '09 at 4:22
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Error handling in getJSON calls
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Why not
getJSON('get.php',{cmd:"1", typeID:$('#typesSelect')},function(data) {
// ...
});
function getJSON(url,params,callback) {
return $.getJSON(url,params,callback)
.fail(function(jqXMLHttpRequest,textStatus,errorThrown) {
...
Disable validation of HTML5 form elements
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@user1569050 For example in frameworks like CakePHP, it will use the novalidate="novalidate" method when you set the novalidate => true in the $options array of the FormHelper::create(). Thanks bassim for the extra info :)
– Jelmer
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How do you search an amazon s3 bucket?
... for Java: Listing Keys Using the AWS SDK for Java (there you'll also find PHP and C# examples).
List item Search for something in the object keys contained in that bucket; S3 does have partial support for this, in the form of allowing prefix exact matches + collapsing matches after a delimiter. Thi...
What is a columnar database?
...www.vertica.com/
http://www.paraccel.com/
http://www.asterdata.com/index.php
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