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问题 Right now I have the following javascript dictionary var a = {}; a['SVG343'] = 1942; a['UAL534'] = 2153; Those numbers on the right represent times, and the keys are unique ids. I wanted to make the ids the keys since they are unique. My problem is given a time find the corresponding id. How was I going to do this was go through each entry in the dictionary until I find the correct time and use the current key to get the id. However I'm worried about performance, my question is, does going

问题 Right now I have the following javascript dictionary var a = {}; a['SVG343'] = 1942; a['UAL534'] = 2153; Those numbers on the right represent times, and the keys are unique ids. I wanted to make the ids the keys since they are unique. My problem is given a time find the corresponding id. How was I going to do this was go through each entry in the dictionary until I find the correct time and use the current key to get the id. However I'm worried about performance, my question is, does going

问题 I am just learning php and ended up at this tutorial http://www.w3schools.com/php/php_ajax_livesearch.asp Till now my PHP search file looks the same as in example but i changed the if (strlen($q) > 0) to if (strlen($q) > 3) to display results after typing minimum 3 words. I am wondering how can i make the results paginate if there are lots of them? Thanks Roshan 回答1: You would need to page after obtaining the number of records from your database. Paging should be done by the same script that

问题 Somebody has posted an hour ago or so a question that was about the drupal search engine and was about like this: I know drupal should index anything that is returned by node_view() but this is not happening for my custom content. Also: are there better alternatives to Drupal built-in functionality? As the question has been removed while I was answering, and didn't want to throw away 20 minutes of my life for nothing ;) I thought to re-create the question a second time. Hope this is fine by

问题 I have a jsp search page (Search.jsp) and a result page (Result.jsp), both of them can choose search criteria. and then passed the parameters to a java controller file (Controller.java) to build a query string and performs query searching. The query string and searched results will be passed to Result.jsp for displaying. Currently I use servletContext to remember the processed query string, and if users use Result.jsp to select search criteria, Controller.java will append such criteria to the

问题 Lets say there is a string like: A quick brOwn FOX called F. 4lviN The WORDS i want TO SEARCH must have the following conditions: The words containing MIXED Upper & Lower Cases Containing ONLY alphabets A to Z (A-Z a-z) (e.g: No numbers, NO commas, NO full-stops, NO dash .. etc) So suppose, when i search (for e.g in this string), the search result will be: brOwn Because it is the only word which contains both of Upper & Lower Case letters inside (and also containing only alphabets). So how

问题 Lets say there is a string like: A quick brOwn FOX called F. 4lviN The WORDS i want TO SEARCH must have the following conditions: The words containing MIXED Upper & Lower Cases Containing ONLY alphabets A to Z (A-Z a-z) (e.g: No numbers, NO commas, NO full-stops, NO dash .. etc) So suppose, when i search (for e.g in this string), the search result will be: brOwn Because it is the only word which contains both of Upper & Lower Case letters inside (and also containing only alphabets). So how

问题 Given a pre-calculated ordered list of primes, and a supplied number X, I want to estimate roughly where X would fall in the list of primes, and start searching at that point. So, I have calculated and stored a list of primes from 1..2^32-1, in a binary file. I've got methods in a program that runs against that file to give me the nth prime, a random prime, how many primes exist, etc. But in order to add a function to this program to tell me where a supplied number is prime, I am having

问题 I want to write a Java code to search in a certain website "news paper website". Each result in the website appear in a specified URL. How can I start? Is there a good library to use? Could I benefit from your experience in this field? 回答1: Search for "web crawler" and you'll find many examples (e.g. Crawler4J or Crawler), how to solve this. Besides Java, you'll often stumple upon Python when it comes to grepping stuff from web pages - I'm not a Python guy, but it seems to fit for the task.

问题 I am trying to build a search view for an existing CoreData app (simple logging app). I have all the data stored with CoreData and is fetched with the @FetchRequest : @State private var searchPredicate: NSPredicate? = NSPredicate(format: "title contains[c] %@", "") @FetchRequest( entity: Item.entity(), sortDescriptors: [NSSortDescriptor(keyPath: \Item.title, ascending: true)], predicate: NSPredicate(format: "title contains[c] %@", "h") ) var items: FetchedResults<Item> It now only fetches the