sort

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I have a custom class object (list of tuples). I have defined <.myclass >.myclass and ==.myclass on it as well. Now I have a a <- obj1 # of myclass b <- obj2 # of myclass c <- obj3 # of myclass L <- list ( list ( a , 12 , 1 ), list ( b , 215 , 23 ), list ( c , 21 , 9 )) I want to sort L, on index 1. i.e. I have b < c < a then, I want sorted L in this form list(list(b,215,23),list(c,21,9),list(a,12,1)) How do I achieve this? In my searches, I found how to sort on particular index, and using that I wrote the following function magic

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I have a collection called at MongoDB called resource. It has the following documents: { "_id" : "Abb.e" , "_class" : "Resource" , "resourceEmail" : "test1@test.com" } { "_id" : "Dasd.tt" , "_class" : "Resource" , "resourceEmail" : "test2@test.com" } { "_id" : "Bbb.rr" , "_class" : "Resource" , "resourceEmail" : "test3@test.com" } At Java code,I list them as follows: MongoOperations mongoOperations = mongoConfiguration . getMongoTemplate (); List < Resource > resourceList = mongoOperations . findAll ( Resource . class ); return

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I found some this promising code on activestate.com to sort huge files. I'm trying to run it on the default Python 2.6.5 interpreter on Ubuntu 10.04. When I try running it on a small test file, I get the error trace below. I asked for help on activestate.com, but this thread has been silent for over 18 months. Is there anyone here who sees an obvious solution? Thanks. ## {{{ http://code.activestate.com/recipes/576755/ (r3) # based on Recipe 466302: Sorting big files the Python 2.4 way # by Nicolas Lehuen import os from tempfile

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have a std::set container whose elements are objects of the following class: class LaneConnector { public: const Lane* getLaneFrom() const { return From; } const Lane* getLaneTo() const { return To; } private: Lane* From; Lane* To; } and my comparator function is as follows: struct MyLaneConectorSorter { bool operator() (LaneConnector * c, LaneConnector * d) { Lane* a = const_cast<Lane*>(c->getLaneFrom()); Lane* b = const_cast<Lane*>(d->getLaneFrom()); return (a->getLaneID() < b->getLaneID()); } } myLaneConnectorSorter; Now when I try to

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: x = [8,2,3,4,5] y = [6,3,7,2,1] How to find out the first common element in two lists (in this case, "2") in a concise and elegant way? Any list can be empty or there can be no common elements - in this case None is fine. I need this to show python to someone who is new to it, so the simpler the better. UPD: the order is not important for my purposes, but let's assume I'm looking for the first element in x that also occurs in y. 回答1: This should be straight forward and almost as effective as it gets (for more effective solution check Ashwini

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have this months array: ["January", "March", "December" , "October" ] And I want to have it sorted like this: ["January", "March", "October", "December" ] I'm currently thinking in a "if/else" horrible cascade but I wonder if there is some other way to do this. The bad part is that I need to do this only with "string" ( that is, without using Date object or anything like that ) What would be a good approach? 回答1: If I had a way to supply a custom sorting order, I'd create a list defining the correct order: correct = List("January",

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I want the files to be ordered by their abs path name, but I want the lowercase to be sorted before the uppercase. Example: Let's say I got 4 files: files2.add("b"); files2.add("A"); files2.add("a"); files2.add("B"); the order with this code is: [A, B, a, b] I want it to be: [a, A, b, B] import java.io.File; import java.util.*; public class Abs { public ArrayList<File> getOrder(ArrayList<File> files) { Collections.sort(files, new Comparator<File>() { public int compare(File file1, File file2) { return file1.getAbsolutePath().compareTo(file2

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am having real trouble with using stream and sorted to sort my ArrayList and hope someone can help out. The code uses Croatian words, but I don't think that will be a problem for someone who understands what I mean. This is the ArrayList ArrayList<Publikacija> listaPublikacija = new ArrayList<>(); listaPublikacija.add(prvaKnjiga); listaPublikacija.add(drugaKnjiga); listaPublikacija.add(prviCasopis); listaPublikacija.add(drugiCasopis); In my assignment I am supposed to sort these objects above by getCijena() which is double. This is the

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am using linq lambdas to query the MySql (Note MySql not Sql) with Entity Framwork in MVC. Now i have one table product one of column this table is price with datatype "VARCHAR" (Accept i can't change type to INT as it can hold values like "N/A",etc). I want to sort price column numerically with linq Lambdas.I have tried bellow.I am using Model values to filter query. var query = ent.Product.Where(b => b.cp == Model.CodePostal); if (Model.order_by_flg == 2) { query = query.OrderByDescending(a => a.price.PadLeft(10, '0')); } But it will not

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: When I enter a command: git tag -l I get such results: rc-0.9.0.0 rc-0.9.0.1 rc-0.9.0.10 rc-0.9.0.11 rc-0.9.0.12 rc-0.9.0.2 rc-0.9.0.3 rc-0.9.0.4 rc-0.9.0.5 rc-0.9.0.6 rc-0.9.0.7 rc-0.9.0.8 rc-0.9.0.9 Instead of this I want: rc-0.9.0.0 rc-0.9.0.1 rc-0.9.0.2 rc-0.9.0.3 rc-0.9.0.4 rc-0.9.0.5 rc-0.9.0.6 rc-0.9.0.7 rc-0.9.0.8 rc-0.9.0.9 rc-0.9.0.10 rc-0.9.0.11 rc-0.9.0.12 How it's possible to sort current list to get such results? 回答1: Use version sort git tag -l | sort -V or for git version >= 2.0 git tag -l --sort=v:refname git tag -l --sort=