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问题 I use XPather Browser to check my XPATH expressions on an HTML page. My end goal is to use these expressions in Selenium for the testing of my user interfaces. I got an HTML file with a content similar to this: <tr> <td>abc</td> <td> </td> </tr> I want to select a node with a text containing the string "   ". With a normal string like "abc" there is no problem. I use an XPATH similar to //td[text()="abc"] . When I try with an an XPATH like //td[text()=" "] it returns nothing. Is there a

问题 I have 60k items that need to be checked against a 20k lookup list. Is there a collection object (like List , HashTable ) that provides an exceptionly fast Contains() method? Or will I have to write my own? In otherwords, is the default Contains() method just scan each item or does it use a better search algorithm. foreach (Record item in LargeCollection) { if (LookupCollection.Contains(item.Key)) { // Do something } } Note . The lookup list is already sorted. 回答1: In the most general case,

问题 I have a UITableView with an Index on the side; I want to add a UISearchBar to it, but the index overlaps with the "x" to clear the search. I've noticed in the Contacts application, the textfield within the UISearchBar is resized to accommodate this, but I can't work out how to do this in my own app. I have tried the following in my viewDidLoad, but it does not seem to work. UITextField * textField = (UITextField *)[[self.search subviews] objectAtIndex:0]; CGRect r = textField.frame;

问题 I use the Toolbar Searching. Can you do a search for multiple words for a column? The delimiter is a space and the search should be done using the Like operator. As a result, the search should return all rows that have met all the words in the search string, no matter in what order they go in a field of row. For example there is a column "Product Name", I want to find all rows that have product name contains the word "lever" and contains the word "left." 回答1: An interesting question! I

问题 Is there any way to search for a string in all tables of a database in SQL Server Management Studio 2008? I want to search for string say john . The result should show the tables and their respective row that contain john . 回答1: If you are like me and have certain restrictions in a production environment, you may wish to use a table variable instead of temp table, and an ad-hoc query rather than a create procedure. Of course depending on your sql server instance, it must support table

问题 I want to be able to find a certain string which was introduced in any commit in any branch, how can I do that? I found something (that I modified for Win32), but git whatchanged doesn't seem to be looking into the different branches (ignore the py3k chunk, it's just a msys/win line feed fix) git whatchanged -- <file> | \ grep "^commit " | \ python -c "exec(\"import sys,msvcrt,os\nmsvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)\nfor l in sys.stdin: print(l.split()[1])\")" | \ xargs -i% git

问题 I would like to be able to search a table as follows for smith as get everything that it within 1 variance. Data: O'Brien Smithe Dolan Smuth Wong Smoth Gunther Smiht I have looked into using Levenshtein distance does anyone know how to implement this with it? 回答1: In order to efficiently search using levenshtein distance, you need an efficient, specialised index, such as a bk-tree. Unfortunately, no database system I know of, including MySQL, implements bk-tree indexes. This is further

问题 This is a generic question and answer for a logical error I've seen in many questions from new programmers in a variety of languages. The problem is searching an array for an element that matches some input criteria. The algorithm, in pseudo-code, looks something like this: for each element of Array: if element matches criteria: do something with element maybe break out of loop (if only interested in first match) else: print "Not found" This code reports "Not found" even if it successfully

问题 This is a generic question and answer for a logical error I've seen in many questions from new programmers in a variety of languages. The problem is searching an array for an element that matches some input criteria. The algorithm, in pseudo-code, looks something like this: for each element of Array: if element matches criteria: do something with element maybe break out of loop (if only interested in first match) else: print "Not found" This code reports "Not found" even if it successfully

问题 have being watching youtube videos trying to learn how to search array for specific entry data? here below is a js array example using console.log Js array example: var data = { username: "john", email: "28@GSDF.COM", status: true, id: 25 }; var data = { username: "jIM", email: "27@GSDF.COM", status: false, id: 23 }; var data = { username: "Jane", email: "25@GSDF.COM", status: false, id: 22 }; { console.log(data); } here below is html which I want to make it show specific result from above js