You can create string and file hashes with System.Hash APIs: System.Hash – RAD Studio API Documentation Examples calculating string hashes: function GetStrHashMD5(Str: String): String; var HashMD5: THashMD5; begin HashMD5 := THashMD5.Create; HashMD5.GetHashString(Str); result := HashMD5.GetHashString(Str); end;   function GetStrHashSHA1(Str: String): String; var HashSHA: THashSHA1; begin HashSHA := THashSHA1.Create; HashSHA.GetHashString(Str); result := HashSHA.GetHashString(Str); end;   function […]

List of DPI and image size in pixels for standard ISO paper sizes: A4 DPI and Image Size Type DPI Size (pixels) A4 300 DPI 3507×2480 A4 200 DPI 2338×1653 A4 150 DPI 1753×1240 A4 72DPI 841×595 A3 DPI and Image Size Type DPI Size (pixels) A3 300 DPI 4960×3507 A3 200 DPI 3307×2338 A3 […]

Here are official links to download Google Chrome Full Standalone offline installer: Google Chrome Standalone Offline Installer (32-bit) Google Chrome Standalone Offline Installer (64-bit) If you need to install Google Chrome for all user accounts use these links: Google Chrome Offline Installer for All User Accounts (32-bit) Google Chrome Offline Installer for All User Accounts […]

Example output of cURL curl_getinfo(): Array ( [url] => http://www.example.com/path.php [content_type] => text/html; charset=iso-8859-1 [http_code] => 302 [header_size] => 304 [request_size] => 322 [filetime] => -1 [ssl_verify_result] => 0 [redirect_count] => 0 [total_time] => 0.290086 [namelookup_time] => 0.06063 [connect_time] => 0.155486 [pretransfer_time] => 0.155554 [size_upload] => 0 [size_download] => 210 [speed_download] => 723 [speed_upload] => […]

Get the redirect URL with cURL and PHP: function get_redirect_url($url, $referer) { $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5); curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.1) Gecko/20061204 Firefox/2.0.0.1"); curl_setopt($ch, CURLOPT_REFERER, $referer); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($ch, CURLOPT_HEADER, false); $data = curl_exec($ch); $info = curl_getinfo($ch); curl_close($ch); […]

Function that use strpos() to get the Xth occurrence of a substring in a string: /** * Find the position of the Xth occurrence of a substring in a string * @param $haystack * @param $needle * @param $number integer > 0 * @return int */ function strposX($haystack, $needle, $number){ if($number == ‘1’){ return strpos($haystack, […]

Simple PHP code to find the second occurrence of a string with strpos(): $pos1 = strpos($haystack, $needle); $pos2 = strpos($haystack, $needle, $pos1 + strlen($needle));$pos1 = strpos($haystack, $needle); $pos2 = strpos($haystack, $needle, $pos1 + strlen($needle)); You can make it a one-line like this: $pos2 = strpos($haystack, $needle, strpos($haystack, $needle) + strlen($needle));$pos2 = strpos($haystack, $needle, strpos($haystack, $needle) […]

Save a remote file to disk with PHP and cURL: // Remote file to download $url = "http://www.sample-videos.com/audio/mp3/crowd-cheering.mp3";   // This is where the file will be saved $fp = fopen(dirname(__FILE__).’/localfile.tmp’, ‘w+’); // Replace spaces with %20 on the URL string $ch = curl_init(str_replace(" ","%20", $url)); // We allow cURL to run for max 60 […]