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How to automatically reload a page after a given period of inactivity
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Hero! This is perfect thanks. I have my PHP sessions set to expire after an hour, and this is set to refresh a little over an hour. I think this should accomplish the logout after inactivity functionality i'm after.
– Tspesh
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Accessing @attribute from SimpleXML
...ode. You can then var_dump the return value of the function.
More info at php.net
http://php.net/simplexmlelement.attributes
Example code from that page:
$xml = simplexml_load_string($string);
foreach($xml->foo[0]->attributes() as $a => $b) {
echo $a,'="',$b,"\"\n";
}
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Switch Git branch without files checkout
...herbranch
If you need to commit on this branch, you'll want to reset the index too otherwise you'll end up committing something based on the last checked out branch.
git reset
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How do I remove an array item in TypeScript?
...t to undefined.
Better to use the Array.prototype.splice function:
const index = myArray.indexOf(key, 0);
if (index > -1) {
myArray.splice(index, 1);
}
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How to check if array element exists or not in javascript?
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Use typeof arrayName[index] === 'undefined'
i.e.
if(typeof arrayName[index] === 'undefined') {
// does not exist
}
else {
// does exist
}
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How to set initial value and auto increment in MySQL?
...it
ALTER TABLE users ADD id INT UNSIGNED NOT NULL AUTO_INCREMENT,
ADD INDEX (id);
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How to revert uncommitted changes including files and folders?
...here a git command to revert all uncommitted changes in a working tree and index and to also remove newly created files and folders?
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How do I undo the most recent local commits in Git?
...-C option.
Beware, however, that if you have added any new changes to the index, using commit --amend will add them to your previous commit.
If the code is already pushed to your server and you have permissions to overwrite history (rebase) then:
git push origin master --force
You can also look at...
What is sharding and why is it important?
...The advantage is the number of rows in each table is reduced (this reduces index size, thus improves search performance). If the sharding is based on some real-world aspect of the data (e.g. European customers vs. American customers) then it may be possible to infer the appropriate shard membership ...
jQuery: count number of rows in a table
...
Alternatively...
var rowCount = $('table#myTable tr:last').index() + 1;
jsFiddle DEMO
This will ensure that any nested table-rows are not also counted.
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