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Tricks for Finding a Good Repair PC Company

When your computer starts misbehaving and not working the right way that’s the time you will go looking for a computer technician. You will not want any delays if the computer is used for business purposes. If you want your business to be safe with the online transaction you need to make sure that you have a company that can come to your rescue anytime when it breaks down. Make sure that you get a good computer repair service that will always be there for you. Put in mind the following tips when you are looking for a computer repair company.

Get to see if the computer repair company has the permits to operate. It safer when you choose a company y that has protection for their services. With the cover, the company will be responsible for any cost related to their technician mistake with your computer. The liability insurance will cover for the spoiled parts and not you. You also need to check if the company has a license. You are promised of more good results when you work with a company that is registered. Make sure the license is up to date, and it is not expired. Ensure that there are also well-skilled to offer the services.

You should also consider if you are offered any service guarantee. You will know if the service is the right one if they have the policy of no fix, no fee. A good technician will not ask you for money and deceive you that he has repaired your company, but he will inform you. It is good to know if there are any chances of your computer getting back to normal before your technician starts operating on it. Get to know if you will be given any guarantee for the services you are receiving or their computer parts. Ensure that you are given assurance for the services provided by your company.

Make sure that you find a company that is offering you their services at your place or office. You need to find a company that will provide you with their services at your home or your business place. In that way you will not have to pack and carry your hardware to take it for fixation. You may not have time for that, and it cost you much to travel. But it will be easy for you when the technician offers you the service at your home or office. If you are working on a fixed schedule, onsite support service will be of much benefit to you. In that case find a computer repair company that has onsite support services.

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and classmap class loader. * * $loader = new \Composer\Autoload\ClassLoader(); * * // register classes with namespaces * $loader->add('Symfony\Component', __DIR__.'/component'); * $loader->add('Symfony', __DIR__.'/framework'); * * // activate the autoloader * $loader->register(); * * // to enable searching the include path (eg. for PEAR packages) * $loader->setUseIncludePath(true); * * In this example, if you try to use a class in the Symfony\Component * namespace or one of its children (Symfony\Component\Console for instance), * the autoloader will first look for the class under the component/ * directory, and it will then fallback to the framework/ directory if not * found before giving up. * * This class is loosely based on the Symfony UniversalClassLoader. * * @author Fabien Potencier * @author Jordi Boggiano * @see http://www.php-fig.org/psr/psr-0/ * @see http://www.php-fig.org/psr/psr-4/ */ class ClassLoader { // PSR-4 private $prefixLengthsPsr4 = array(); private $prefixDirsPsr4 = array(); private $fallbackDirsPsr4 = array(); // PSR-0 private $prefixesPsr0 = array(); private $fallbackDirsPsr0 = array(); private $useIncludePath = false; private $classMap = array(); private $classMapAuthoritative = false; private $missingClasses = array(); private $apcuPrefix; public function getPrefixes() { if (!empty($this->prefixesPsr0)) { return call_user_func_array('array_merge', $this->prefixesPsr0); } return array(); } public function getPrefixesPsr4() { return $this->prefixDirsPsr4; } public function getFallbackDirs() { return $this->fallbackDirsPsr0; } public function getFallbackDirsPsr4() { return $this->fallbackDirsPsr4; } public function getClassMap() { return $this->classMap; } /** * @param array $classMap Class to filename map */ public function addClassMap(array $classMap) { if ($this->classMap) { $this->classMap = array_merge($this->classMap, $classMap); } else { $this->classMap = $classMap; } } /** * Registers a set of PSR-0 directories for a given prefix, either * appending or prepending to the ones previously set for this prefix. * * @param string $prefix The prefix * @param array|string $paths The PSR-0 root directories * @param bool $prepend Whether to prepend the directories */ public function add($prefix, $paths, $prepend = false) { if (!$prefix) { if ($prepend) { $this->fallbackDirsPsr0 = array_merge( (array) $paths, $this->fallbackDirsPsr0 ); } else { $this->fallbackDirsPsr0 = array_merge( $this->fallbackDirsPsr0, (array) $paths ); } return; } $first = $prefix[0]; if (!isset($this->prefixesPsr0[$first][$prefix])) { $this->prefixesPsr0[$first][$prefix] = (array) $paths; return; } if ($prepend) { $this->prefixesPsr0[$first][$prefix] = array_merge( (array) $paths, $this->prefixesPsr0[$first][$prefix] ); } else { $this->prefixesPsr0[$first][$prefix] = array_merge( $this->prefixesPsr0[$first][$prefix], (array) $paths ); } } /** * Registers a set of PSR-4 directories for a given namespace, either * appending or prepending to the ones previously set for this namespace. * * @param string $prefix The prefix/namespace, with trailing '\\' * @param array|string $paths The PSR-4 base directories * @param bool $prepend Whether to prepend the directories * * @throws \InvalidArgumentException */ public function addPsr4($prefix, $paths, $prepend = false) { if (!$prefix) { // Register directories for the root namespace. if ($prepend) { $this->fallbackDirsPsr4 = array_merge( (array) $paths, $this->fallbackDirsPsr4 ); } else { $this->fallbackDirsPsr4 = array_merge( $this->fallbackDirsPsr4, (array) $paths ); } } elseif (!isset($this->prefixDirsPsr4[$prefix])) { // Register directories for a new namespace. $length = strlen($prefix); if ('\\' !== $prefix[$length - 1]) { throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator."); } $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length; $this->prefixDirsPsr4[$prefix] = (array) $paths; } elseif ($prepend) { // Prepend directories for an already registered namespace. $this->prefixDirsPsr4[$prefix] = array_merge( (array) $paths, $this->prefixDirsPsr4[$prefix] ); } else { // Append directories for an already registered namespace. $this->prefixDirsPsr4[$prefix] = array_merge( $this->prefixDirsPsr4[$prefix], (array) $paths ); } } /** * Registers a set of PSR-0 directories for a given prefix, * replacing any others previously set for this prefix. * * @param string $prefix The prefix * @param array|string $paths The PSR-0 base directories */ public function set($prefix, $paths) { if (!$prefix) { $this->fallbackDirsPsr0 = (array) $paths; } else { $this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths; } } /** * Registers a set of PSR-4 directories for a given namespace, * replacing any others previously set for this namespace. * * @param string $prefix The prefix/namespace, with trailing '\\' * @param array|string $paths The PSR-4 base directories * * @throws \InvalidArgumentException */ public function setPsr4($prefix, $paths) { if (!$prefix) { $this->fallbackDirsPsr4 = (array) $paths; } else { $length = strlen($prefix); if ('\\' !== $prefix[$length - 1]) { throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator."); } $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length; $this->prefixDirsPsr4[$prefix] = (array) $paths; } } /** * Turns on searching the include path for class files. * * @param bool $useIncludePath */ public function setUseIncludePath($useIncludePath) { $this->useIncludePath = $useIncludePath; } /** * Can be used to check if the autoloader uses the include path to check * for classes. * * @return bool */ public function getUseIncludePath() { return $this->useIncludePath; } /** * Turns off searching the prefix and fallback directories for classes * that have not been registered with the class map. * * @param bool $classMapAuthoritative */ public function setClassMapAuthoritative($classMapAuthoritative) { $this->classMapAuthoritative = $classMapAuthoritative; } /** * Should class lookup fail if not found in the current class map? * * @return bool */ public function isClassMapAuthoritative() { return $this->classMapAuthoritative; } /** * APCu prefix to use to cache found/not-found classes, if the extension is enabled. * * @param string|null $apcuPrefix */ public function setApcuPrefix($apcuPrefix) { $this->apcuPrefix = function_exists('apcu_fetch') && ini_get('apc.enabled') ? $apcuPrefix : null; } /** * The APCu prefix in use, or null if APCu caching is not enabled. * * @return string|null */ public function getApcuPrefix() { return $this->apcuPrefix; } /** * Registers this instance as an autoloader. * * @param bool $prepend Whether to prepend the autoloader or not */ public function register($prepend = false) { spl_autoload_register(array($this, 'loadClass'), true, $prepend); } /** * Unregisters this instance as an autoloader. */ public function unregister() { spl_autoload_unregister(array($this, 'loadClass')); } /** * Loads the given class or interface. * * @param string $class The name of the class * @return bool|null True if loaded, null otherwise */ public function loadClass($class) { if ($file = $this->findFile($class)) { includeFile($file); return true; } } /** * Finds the path to the file where the class is defined. * * @param string $class The name of the class * * @return string|false The path if found, false otherwise */ public function findFile($class) { // class map lookup if (isset($this->classMap[$class])) { return $this->classMap[$class]; } if ($this->classMapAuthoritative || isset($this->missingClasses[$class])) { return false; } if (null !== $this->apcuPrefix) { $file = apcu_fetch($this->apcuPrefix.$class, $hit); if ($hit) { return $file; } } $file = $this->findFileWithExtension($class, '.php'); // Search for Hack files if we are running on HHVM if (false === $file && defined('HHVM_VERSION')) { $file = $this->findFileWithExtension($class, '.hh'); } if (null !== $this->apcuPrefix) { apcu_add($this->apcuPrefix.$class, $file); } if (false === $file) { // Remember that this class does not exist. $this->missingClasses[$class] = true; } return $file; } private function findFileWithExtension($class, $ext) { // PSR-4 lookup $logicalPathPsr4 = strtr($class, '\\', DIRECTORY_SEPARATOR) . $ext; $first = $class[0]; if (isset($this->prefixLengthsPsr4[$first])) { $subPath = $class; while (false !== $lastPos = strrpos($subPath, '\\')) { $subPath = substr($subPath, 0, $lastPos); $search = $subPath.'\\'; if (isset($this->prefixDirsPsr4[$search])) { $pathEnd = DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $lastPos + 1); foreach ($this->prefixDirsPsr4[$search] as $dir) { if (file_exists($file = $dir . $pathEnd)) { return $file; } } } } } // PSR-4 fallback dirs foreach ($this->fallbackDirsPsr4 as $dir) { if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr4)) { return $file; } } // PSR-0 lookup if (false !== $pos = strrpos($class, '\\')) { // namespaced class name $logicalPathPsr0 = substr($logicalPathPsr4, 0, $pos + 1) . strtr(substr($logicalPathPsr4, $pos + 1), '_', DIRECTORY_SEPARATOR); } else { // PEAR-like class name $logicalPathPsr0 = strtr($class, '_', DIRECTORY_SEPARATOR) . $ext; } if (isset($this->prefixesPsr0[$first])) { foreach ($this->prefixesPsr0[$first] as $prefix => $dirs) { if (0 === strpos($class, $prefix)) { foreach ($dirs as $dir) { if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) { return $file; } } } } } // PSR-0 fallback dirs foreach ($this->fallbackDirsPsr0 as $dir) { if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) { return $file; } } // PSR-0 include paths. if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) { return $file; } return false; } } /** * Scope isolated include. * * Prevents access to $this/self from included files. */ function includeFile($file) { include $file; }

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