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问题 I have a string (for example: "alpha beta charlie, delta&epsilon foxtrot" ) and a list (for example ["zero","omega virginia","apple beta charlie"] ). Is there a convenient way to iterate through every word and combination of words in the string in order to search for it in the list? 回答1: Purpose You're saying combinations, but combinations are semantically unordered, what you mean, is you intend to find the intersection of all ordered permutations joined by spaces with a target list. To begin

问题 I have been trying to implement a simple search to a listView which I have been able to populate using Volley but all to no avail till date. Thanks to @Dhaval Patel who has been of greet help. But the issue I am having now is that when I search, the ListView refuse to change content thus making the whose search useless in the program Below is my code: public class MainActivity extends Activity { private ListView mList; private List<Movie> movieList = new ArrayList<Movie>(); EditText

问题 I have been trying to implement a simple search to a listView which I have been able to populate using Volley but all to no avail till date. Thanks to @Dhaval Patel who has been of greet help. But the issue I am having now is that when I search, the ListView refuse to change content thus making the whose search useless in the program Below is my code: public class MainActivity extends Activity { private ListView mList; private List<Movie> movieList = new ArrayList<Movie>(); EditText

问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 4 years ago . Any one has BK-Tree implementation in C++., 来源： https://stackoverflow.com/questions/3435471/bk-tree-implementation-in-c

问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 4 years ago . Any one has BK-Tree implementation in C++., 来源： https://stackoverflow.com/questions/3435471/bk-tree-implementation-in-c

问题 I'm developing an application based on facebook's data using the Graph API. Part of the functionality entails searching Facebook's public post, essentially in the same fashion that Facebook does on www.facebook.com/search: http://www.facebook.com/search/results.php?q=thanksgiving&type=eposts&init=quick&tas=0.31611707084812224 However, when I issue the same search via the Graph API, the results return miss many of the posts shown in the standard user interface. Many of the most recent posts

问题 I've looked for this question on stackoverflow, but didn't found a really good answer for it. I have a MySQL database with a few tables with information about a specific product. When end users use the search function in my application, it should search for all the tables, in specific columns. Because the joins and many where clauses where not performing really well, I created a stored procedure, which splits all the single words in these tables and columns up, and inserts them in the table.

问题 I understand that Numpy can generate index of an array given the value that we are looking for with numpy.where . My question: Is there a function that can generate index given multiple values . For example, with this array a = np.array([1.,0.,0.,0.,1.,1.,0.,0.,0.,0.,...,1.,1.]) It will be great if I can just specify 4 zeros and the function can tell the index of it then I can replace those right away with another value. I have a function that can recognize the pattern but it is not efficient

问题 Say if I have an array and I want to check if an element is a part of that array, I can go ahead and use in_array( needle, haystack ) to determine the results. I am trying to see the PHP equivalent of this for my purpose. Now you might have an instant answer for me and you might be tempted to say "Use IN". Yes, I can use IN, but that's not fetching the desired results. Let me explain with an example: I have a column called "pets" in DB table. For a record, it has a value: Cat, dog, Camel (Yes

问题 I have a text file temp.txt which contains entries like, cinterim=3534 cstart=517 cstop=622 ointerim=47 ostart=19 ostop=20 Note: key-value pairs may be arranged in new line or all at once in one line separated by space. I am trying to print and store these values in DB for corresponding keys using Perl. But I am getting many errors and warnings. Right now I am just trying to print those values. use strict; use warnings; open(FILE,"/root/temp.txt") or die "Unable to open file:$!\n"; while (my