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java - Spring-batch @BeforeStep does not work with @StepScope

I'm using Spring Batch version 2.2.4.RELEASE I tried to write a simple example with stateful ItemReader, ... in advance for your answers. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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animation - How to move an image from left to right in android

I'd like to translate an image from left to right on emulator using android animation. I'm new to android ... could I do that? Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How could I temporary redirect stdout to a file in a C program?

Within my C program, I'd like to temporarly redirect stdout to /dev/null (for example). Then, after writing to ... stdout. How do I manage this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Mass email tracking

Most services offered online today that claim to "track" e-mails, do so by embedding images in the emails. My ... or even an online group? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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d3.js - D3 Key Function

As readers might gather from the following...I am fairly new to D3....I am experimenting at the moment ... mysterious key function does.... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sprite kit - How does collisionBitMask work? Swift/SpriteKit

As far as I'm aware the default for Physics bodies is to bounce off each other when they hit each ... lot of crisscrossing collision rules? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Hiding lines after showing a pyplot figure

I'm using pyplot to display a line graph of up to 30 lines. I would like to add a way to quickly ... as they're somewhat easy to distribute. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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video - Using FFMPEG: How to do a Scene Change Detection? with timecode?

Based on this article it seems that it is possible to use FFMPEG to detect scene change in videos: http://www. ... do this? Thank you very much! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Directory listener in Java

I have an application in which I want to listen to any changes made to a particular directory. The application ... or updated in that directory. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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unix - properly join two files based on 2 columns in common

I have two files I'm trying to join/merge based on columns 1 and 2. They look something like this, ... 33256 0.769230769230769 0.90625 45339 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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css - Animate an element's width from 0 to 100%, with it and it's wrapper being only as wide as they need to be, without a pre-set width, in CSS3 or jQuery

http://jsfiddle.net/nicktheandroid/tVHYg/ When hovering .wrapper, it's child element .contents should animate from 0px to ... div</div> </div> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Convert existing project to library project in Android Studio

How can I convert an existing Android project into an Android library project in Android Studio? In Eclipse, ... changes in Android Studio. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How do you use global variables or constant values in Ruby?

I have a program that looks like: $offset = Point.new(100, 200); def draw(point) pointNew = $offset + ... still need to define an $offset? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Python 3 - Can pickle handle byte objects larger than 4GB?

Based on this comment and the referenced documentation, Pickle 4.0+ from Python 3.4+ should be able ... I misunderstanding the documentation? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Flask jsonify a list of objects

I have a list of objects that I need to jsonify. I've looked at the flask jsonify docs, but I'm just not ... ) + " is not JSON serializable") See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Tapping form field in WebView does not show soft keyboard

I created my own WebView and set the WebChromeClient and WebViewClient objects. When I start this WebView, the HTML ... false and doesn't help. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Determine Client's Computer Name

I am building an intranet site that will display different lists based on the computer name because different computers ... , any other ideas? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Class inheritance support

I am building an Angular2 application in Typescript and would like to use the class system functionality ( ... or trying something impossible? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Regular expression to remove a file's extension

I am in need of a regular expression that can remove the extension of a filename, returning only the name of ... I am doing this in JavaScript See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How to use selector to tint ImageView?

I want to tint my tabhost's icons using XML, instead of doing it programmatically (I wasn't able to do that ... within colors.xml, didn't work See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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api - Yahoo! Finance CSV file will not return Dow Jones (^DJI)

I am trying to retrieve market data from Yahoo! finance and the script has worked fine for years, but recently ... the same issues? Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Restore already bought in-app-purchases on iPhone?

I got so far: After a reinstall, a user needs to click "buy feature", then he gets scared with the $0. ... show parental control warning */ } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Do interfaces derive from System.Object? C# spec says yes, Eric says no, reality says no

Question is simple and asked in the title. C# 4.0 Specification says: (§4.2.2) The object class type is the ... wrong or what? Whom to believe? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - TestSuite Setup in jUnit 4

I've managed to find out how to make a TestSuite in jUnit 4, but I really miss the v3 possibility of wrapping ... on a per-test-class basis. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Spring boot and SQLite

I am trying to use SQLite with a Spring Boot app. I am aware of the awesome support in Spring Boot with ... with using Spring Boot and SQLite?? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - What are near, far and huge pointers?

Can anyone explain to me these pointers with a suitable example ... and when these pointers are used? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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655 views

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entity framework - Introducing FOREIGN KEY constraint may cause cycles or multiple cascade paths

I am getting this error Introducing FOREIGN KEY constraint 'FK_dbo.Regions_dbo.Countries_CountryId' on table 'Regions' ... because of stores? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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visual studio 2010 - How do I configure MSBuild to use a saved publishProfile for WebDeploy?

I have used Visual Studio to create a publish profile. It saved that information to MyProject.Publish.xml, ... deployUser /P:Password=MyPassword See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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