collections

sorting files in directory by size using java array list [duplicate]

由 感情迁移 提交于 2019-12-25 18:59:55
问题 This question already has answers here : How can I sort files in a directory in java? (2 answers) Closed 5 years ago . The directory has n number of files.I am creating class, it will sort files by size from directory using java arraylist. I can read the file name and size. but how to sort the files by size? import java.io.File; import java.io.FilenameFilter; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; public class

Sort a Collection list with two numeric parts of string in Java

由 感情迁移 提交于 2019-12-25 18:28:45
问题 Could any one suggest idea to sort the list accordingly : suppose the List contains : -SP001 of 2017 -SP002 of 2015 -SP001 of 2015 -SP001 of 2016 -SP005 of 2015 -SP003 of 2015 The the out put should be (List must contain in the below order) : -SP001 of 2015 -SP002 of 2015 -SP003 of 2015 -SP005 of 2015 -SP001 of 2016 -SP001 of 2017 here i need to sort according to number part as well as year part. I have tried collection sort but it gives out put like : [SP001 of 2015, SP001 of 2016, SP001 of

Asp.Net MVC 3 not binding collections to models on posting

由 佐手、 提交于 2019-12-25 17:18:28
问题 i have a object with many properties of which one is an array of some other complex object something like this class obj1 { public string prop1 {get; set;} public string prop2 {get; set;} public obj2[] array {get; set;} } class obj2 { SomeEnum Type{get; set;} string Content{get; set;} } I have created an editor template for the array of obj2 lets name it obj2ArrayTemplate which is like this @for (int i = 0; i < Model.Length; i++) { @Html.EditorFor(model=>model[i],"obj2Template") } and an

Meteor, '/users/insert' is already defined

由 别来无恙 提交于 2019-12-25 16:55:51
问题 I'm creating basic Administration Panel and I didn't work with MongoDB yet. For development purposes I left autopublish and insecure in the project. In order to render users from database ( Accounts-ui + Accounts-facebook ) i need a handler for Users = new Mongo.Collection("users"); but during compilation there is following error: '/users/insert' is already defined. HTML <body> {{> loginButtons}} {{#each users}} {{> user}} {{/each}} </body> <template name="user"> <li>{{profile.name}}: {{_id}}

Meteor, '/users/insert' is already defined

由 时光毁灭记忆、已成空白 提交于 2019-12-25 16:55:44
问题 I'm creating basic Administration Panel and I didn't work with MongoDB yet. For development purposes I left autopublish and insecure in the project. In order to render users from database ( Accounts-ui + Accounts-facebook ) i need a handler for Users = new Mongo.Collection("users"); but during compilation there is following error: '/users/insert' is already defined. HTML <body> {{> loginButtons}} {{#each users}} {{> user}} {{/each}} </body> <template name="user"> <li>{{profile.name}}: {{_id}}

Why do the values inside the PriorityQueue change after the poll method in java? [duplicate]

由 白昼怎懂夜的黑 提交于 2019-12-25 16:32:49
问题 This question already has answers here : Java: PriorityQueue returning incorrect ordering from custom comparator? [duplicate] (2 answers) Closed 2 years ago . This is the code and the output is below it why do the value "5" and "6" i mean how are the new priorities set after poll method in a PriorityQueue (similarly the other elements in the queue) . I am preparing for java certification exam and i always tend to choose the wrong answer due to this concept, any help is welcomed. import java

Why do the values inside the PriorityQueue change after the poll method in java? [duplicate]

由 柔情痞子 提交于 2019-12-25 16:32:37
问题 This question already has answers here : Java: PriorityQueue returning incorrect ordering from custom comparator? [duplicate] (2 answers) Closed 2 years ago . This is the code and the output is below it why do the value "5" and "6" i mean how are the new priorities set after poll method in a PriorityQueue (similarly the other elements in the queue) . I am preparing for java certification exam and i always tend to choose the wrong answer due to this concept, any help is welcomed. import java

Why do the values inside the PriorityQueue change after the poll method in java? [duplicate]

由 不羁的心 提交于 2019-12-25 16:32:08
问题 This question already has answers here : Java: PriorityQueue returning incorrect ordering from custom comparator? [duplicate] (2 answers) Closed 2 years ago . This is the code and the output is below it why do the value "5" and "6" i mean how are the new priorities set after poll method in a PriorityQueue (similarly the other elements in the queue) . I am preparing for java certification exam and i always tend to choose the wrong answer due to this concept, any help is welcomed. import java

Getting around the 2 GB collection limit in .NET

由 不打扰是莪最后的温柔 提交于 2019-12-25 14:48:30
问题 From this question, I thought I could get around the 2 GB collection size limit by creating a BigList datatype using the following pattern (and by the way, this limit seems to be imposed by default on x86 applications, if you are curious about trying it out): using Microsoft.Win32; using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading; using System.Threading.Tasks; namespace RegistryHawk { class Program { struct RegistryPath { public

Fastest datastructure for filtering schema-less collections

由 走远了吗. 提交于 2019-12-25 09:55:07
问题 Lets say I have a collection var data = [ { fieldA: 5 }, { fieldA: 142, fieldB: 'string' }, { fieldA: 1324, fieldC: 'string' }, { fieldB: 'string', fieldD: 111, fieldZ: 'somestring' }, ... ]; Lets assume fields are not uniform across elements but I know in advance the number of unique fields, and that the collection is not dynamic. I want to filter it with something like _.findWhere . This is simple enough, but what if I want to prioritize speed over ease? Is there a better data structure
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