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Searching a Files Content Using Java?

由 狂风中的少年 提交于 2020-01-15 05:45:26
问题 I would like to write an application, in java, that allows me to open a file (txt) and using the users input, search for all instances of a particular word or string. As there are probably more experienced programmers here, i would like some advice about how to go about creating such a tool. How would you go about creating a basic text search tool? I have been playing around with some java classes such as File, FileOutputStream, FileInputStream, InputStreamReader, OutputStreamReader,

Searching a Files Content Using Java?

由 ℡╲_俬逩灬. 提交于 2020-01-15 05:45:08
问题 I would like to write an application, in java, that allows me to open a file (txt) and using the users input, search for all instances of a particular word or string. As there are probably more experienced programmers here, i would like some advice about how to go about creating such a tool. How would you go about creating a basic text search tool? I have been playing around with some java classes such as File, FileOutputStream, FileInputStream, InputStreamReader, OutputStreamReader,

Bing Image Search API filter by image size

由 丶灬走出姿态 提交于 2020-01-15 05:41:12
问题 I'm working with Bing Image Search API using jsonp with jquery $.ajax. I'm able to retrieve the search results. But I'm unable to find a way to filter results by image size. I can't find anything about this in the documentation. Does anyone know if there is a way to filter results by image size or do any type of filtration for that matter. 回答1: You can do Image.Filters=Size:Small to filter by small images, you can also use medium and large. 回答2: Here's a more complete sample (The selected

Old parking page info is mixed in with search results for a newly crawled site

由 落爺英雄遲暮 提交于 2020-01-15 05:23:08
问题 I had my domain set to a parking page with my registrar. The nameservers have been changed (I'm using Azure DNS), I've updated robots.txt and submitted a sitemap. I've requested Google to crawl my site, and we're now showing in Google's search results. The problem is that for every title link that shows in the search results, some info from the parking page is tacked on to the end. So the result link might say About Us | Example Company - example.com - nameOfRegistrar . About Us | Example

ArrayList Search .net

由 落爺英雄遲暮 提交于 2020-01-15 05:05:08
问题 Following is the format of the data stored in my arraylist. A-Amsterdam B- Brussels C-Canada so and so forth. I wan to search my array list by passing just the first few characters till '-' So if i have something like AA-Test then i want to pass just 'AA' to check if it exists or not. I know that i can use contains or binarysearch but it does not serve my purpose as they both compare objects. Any suggestions?? thanks 回答1: You can solve this by creating your own IComparer and passing it into

Check textbox before submitting

由 我们两清 提交于 2020-01-15 03:46:07
问题 How could I check a textbox before submition? <form action='search.php' method='GET'> <input type="text" id= "q" name="q" class='textbox' > <input type="submit" id='submit' value="Search" class ='button' > </form> 回答1: Try this simple with JavaScript validation: <html> <head> <script type="text/javascript"> function check() { var searchtext = document.getElementById("q").value; if(searchtext=='') { alert('Enter any character'); return false; } } </script> </head> <body> <form action='search

Indexing columns in a csv file

由 ∥☆過路亽．° 提交于 2020-01-15 03:14:11
问题 I have a large csv file which each row has different columns, such as ID, username, email, job position, etc. I want to search for a row by exact matches (username == David), or wildcard (jobPosition == %admin). I want to index columns in this file to make searches faster, but I don't know which algorithm should I choose (specially for wildcards). 回答1: You can index the file. But you need to read it as a binary file instead of a text file. Use 128 or 256 block size. To build the index, you

Paging in Azure search when results have equal scores

由 你。 提交于 2020-01-14 13:51:50
问题 I'm using Azure Search on my e-commerce site, and now i faced the problem with paging on my search page. When i reload the search page i can get different order of products. So when i'm using paging i can see same products on different pages, and this is critical. I started researching what's going wrong, and i've found this info on Microsoft docs https://docs.microsoft.com/en-us/rest/api/searchservice/add-scoring-profiles-to-a-search-index#what-is-default-scoring Search score values can be

Counting elements “less than x” in an array

由 自闭症网瘾萝莉.ら 提交于 2020-01-14 13:31:33
问题 Let's say you want to find the first occurrence of a value 1 in a sorted array. For small arrays (where things like binary search don't pay off), you can achieve this by simply counting the number of values less than that value: the result is the index you are after. In x86 you can use adc (add with carry) for an efficient branch-free 2 implementation of that approach (with the start pointer in rdi length in rsi and the value to search for in edx ): xor eax, eax lea rdi, [rdi + rsi*4] ;

How do I search Google for code and other programming related keywords? It seems to strip special characters

由 断了今生、忘了曾经 提交于 2020-01-14 10:40:11
问题 One of the problems I have with Google is that it seems to strip special characters like dots, commas and some other special characters, which are usually what I'm looking for when I'm trying to find anything programming-related ex: django @ sign returns irrelevant data. Perhaps you know a way (or an alternative/technique) to make this possible? Related Questions Effective Googling for short names Why would M# be harder to Google than C#? 回答1: Have you tried http://www.google.com/codesearch?
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