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overriding - Understanding the purpose of Abstract Classes in Java

Suppose I have two Classes, A and B. The A class is defined as abstract, while B extends this abstract class, ... method as abstract in Class A? See Question&Answers more detail:os...

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javascript - getSelection & surroundContents across multiple tags

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How to look-up a contact's name from their phone number on Android?

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json.net - How to import JsonConvert in C# application?

I created a C# library project. The project has this line in one class: JsonConvert.SerializeObject(objectList); I'm ... can I solve this error? See Question&Answers more detail:os...

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angular - fromPromise does not exist on type Observable

In Angular 2 using rxjs I was trying to convert a Promise to Observable. As many of online guides showed I ... is no solution there either. See Question&Answers more detail:os...

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parallel processing - Python multiprocessing.Pool: AttributeError

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cocoa - How to add NSDebug.h and use NSZombie in iPhone SDK

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css - First-child full-width in Flexbox

How can I set the first-child of flexbox in full-width and all of the other childs set to flex:1(for split space)? Like this: See Question&Answers more detail:os...

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string - Word comparison algorithm

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asp.net - Building a COM interop library for ASP Classic using 4.0 framework and Visual Studio 2010

After going through a number of different articles and not finding anything especially conclusive that takes me step-by ... , regsvr32 on hand. See Question&Answers more detail:os...

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javascript - How to use onBlur event on Angular2?

How do you detect an onBlur event in Angular2? I want to use it with <input type="text"> Can anyone help me understand how to use it? See Question&Answers more detail:os...

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formatting - Force point (".") as decimal separator in java

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Powershell script from shortcut to change desktop

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reactjs - How do I dynamically set HTML5 data- attributes using react?

I'd like to render an HTML5 attribute of a <select> input so that I can use jquery image picker with ... pass through properly into the HTML? See Question&Answers more detail:os...

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javascript - How to get a slice from "arguments"

All you know that arguments is a special object that holds all the arguments passed to the function. And as long ... line above as an answer. See Question&Answers more detail:os...

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java - How do I check if a zero is positive or negative?

Is it possible to check if a float is a positive zero (0.0) or a negative zero (-0.0)? I've converted the ... '-', but are there any other ways? See Question&Answers more detail:os...

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html - How do I put a Bootstrap Glyphicon inside an asp:Button in ASP.Net?

I'm using Bootstrap 3 in my project, and I want to use Bootstrap Glyphicons in ASP.net buttons. Here is ... Thanks in advance for the replies. See Question&Answers more detail:os...

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python - dictionary update sequence element #0 has length 3; 2 is required

I want to add lines to the object account.bank.statement.line through other object But I get following error: " ... }, context=None) return res See Question&Answers more detail:os...

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perl - no pg_hba.conf entry for host

I get following error when I try to connect using DBI DBI connect('database=chaosLRdb;host=192.168.0.1;port=5433', ... I know what i miss here? See Question&Answers more detail:os...

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makefile - Passing the argument to CMAKE via command prompt

I have a makefile for my project and also I am passing some argument and based on that argument i am seting ... and set flags based on that? See Question&Answers more detail:os...

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How do I retrieve keystrokes from a custom keyboard on an iOS app?

I need to build a custom keyboard for my iPhone app. Previous questions and answers on the topic have ... and retrieve keystrokes from it? See Question&Answers more detail:os...

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Test if all elements of a python list are False

How to return 'false' because all elements are 'false'? The given list is: data = [False, False, False] See Question&Answers more detail:os...

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c# - Email model validation with DataAnnotations and DataType

I have following model: public class FormularModel { [Required] public string Position { get; set; } [Required] ... anyone know an answer? TIA See Question&Answers more detail:os...

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javascript - Uncaught Error: Cannot find module 'jquery'

I am using Electron to make a desktop app. In my app I am loading a an external site (outside Atom ... electron app with node-integration true. See Question&Answers more detail:os...

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Tensorflow doesn't seem to see my gpu

I've tried tensorflow on both cuda 7.5 and 8.0, w/o cudnn (my GPU is old, cudnn doesn't support it). When ... old for tf to support it? gtx 460 See Question&Answers more detail:os...

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sql server - Sql query for tree table

I have a table with tree structure: id parentId name ---------------- 1 0 Category1 2 0 Category2 3 1 ... help me to write ms-sql query? Thanks! See Question&Answers more detail:os...

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