Personal Knowledge Management

gitk /path/to/file

$string='
<?xml version="1.0" encoding="UTF-8"?>
<products>
    <product category="software">
        <sku>soft32323</sku>
        <name>Widget Reporting</name>
        <price>4550</price>
    </product>
    <product category="software">
        <sku>soft32323</sku>
        <sub_category>Business Analysis</sub_category>
        <name>Pro Reporting</name>
        <price>2350</price>
    </product>
</products>';
 
$xml = simplexml_load_string($string);
 
// Search by tag name
$products = $xml->xpath("/products/product[sku='soft32323']/name");
print_r($products);
 
// Search by tag attribute
$products = $xml->xpath("/products/product[@category='software' and price > 2320]");
print_r($products);

git remote show origin

git ls-remote --heads | grep 1234

$ecbRates = simplexml_load_file("http://www.ecb.int/stats/eurofxref/eurofxref-daily.xml");
$namespaces = $ecbRates->getDocNamespaces();
$ecbRates->registerXPathNamespace("ecb", $namespaces['']);
$array = $ecbRates->xpath("//ecb:Cube[@currency='GBP']/@rate");
echo (string) $array[0]['rate'];

find /path -user www-data -print

<?php
 
function convert($from,$to,$amount) {
    $url = "https://www.google.com/search?q=".$from.$to;
    $request = curl_init();
    $timeOut = 0;
    curl_setopt ($request, CURLOPT_URL, $url);
    curl_setopt ($request, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt ($request, CURLOPT_USERAGENT,"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML
, like Gecko) Chrome/68.0.3440.106 Safari/537.36");
    curl_setopt ($request, CURLOPT_CONNECTTIMEOUT, $timeOut);
    $response = curl_exec($request);
    curl_close($request);
 
    preg_match('~<span [^>]* id="knowledge-currency__tgt-amount"[^>]*>(.*?)</span>~si', $response, $finalData);
    return floatval((floatval(preg_replace("/[^-0-9\.]/","", $finalData[1]))/100) * $amount);
}
 
echo convert("USD", "GBP", "1");
?>

SHOW COLUMNS FROM Tablename WHERE FIELD = "Fieldname";

/srv/machine1/inbox
/srv/machine1/scripts

/home/username1/Documents
/home/username1/Projects

find my_folder -depth -exec rename 's/(.*)\/([^\/]*)/$1\/\L$2/' {} \;

find ./ -type f -name '*_en-gb.json' -exec sh -c 'mv "$0" "${0%_en-gb.json}_en-uk.json"' {} \;