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How to change color of Toolbar back button in Android?

I could not change the color of back button. I am using toolbar material design. In my app I am applying ... Please give me solutions. Thank You See Question&Answers more detail:os...

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I am new to Apache Spark, and I just learned that Spark supports three types of cluster: Standalone - meaning ... cluster type should I choose? See Question&Answers more detail:os...

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ios - Xcode changes unmodified storyboard and XIB files

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javascript - FileReader vs. window.URL.createObjectURL

I'm building a mobile website and I'd like to use the Camera API to take photos. The images should be ... there a difference in the performance? See Question&Answers more detail:os...

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matlab - How to use SIFT algorithm to compute how similar two images are?

I have used the SIFT implementation of Andrea Vedaldi, to calculate the sift descriptors of two similar images (the second ... c, d]=sift(j); See Question&Answers more detail:os...

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ssl - How do I use a self signed certificate for a HTTPS Node.js server?

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WPF - How to create image button with template

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Ruby: Easiest Way to Filter Hash Keys?

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python - pass **kwargs argument to another function with **kwargs

I do not understand the following example, let's say I have these functions: # python likes def save(filename, ... 's the reason behind this? See Question&Answers more detail:os...

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ios - How can I get the height and width of an uiimage?

From the URL Image in Mail I'm adding image to mail view. It will show full image. But I want to calculate ... the height and width of UIImage? See Question&Answers more detail:os...

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iphone - What is the best way to create a shadow behind a UIImageView

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python - Distributed task queues (Ex. Celery) vs crontab scripts

I'm having trouble understanding the purpose of 'distributed task queues'. For example, python's celery library. I ... be nice also. Thank you. See Question&Answers more detail:os...

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c - Why use bzero over memset?

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fonts - CSS: bolding some text without changing its container's size

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css - How to create a pulse effect using -webkit-animation - outward rings

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android - How can a service listen for touch gestures/events?

I'm wondering how apps like SwipePad and Wave Launcher are able to detect touch gestures/events simply through a ... background as a service. See Question&Answers more detail:os...

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compiler construction - Equivalent of Class Loaders in .NET

Does anyone know if it possible to define the equivalent of a "java custom class loader" in .NET? To give a ... ran into the same problem. * See Question&Answers more detail:os...

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python - Adding code to __init__.py

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Make node.js not exit on error

I am working on a websocket oriented node.js server using Socket.IO. I noticed a bug where certain browsers ... in a large included codebase. See Question&Answers more detail:os...

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How can I show a MediaController while playing audio in Android?

How can I show a MediaController while playing audio file? I am creating an instance of MediaController and calling ... sorting out this issue? See Question&Answers more detail:os...

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angular - What is the difference between formControlName and FormControl?

I'm using ReactiveFormsModule of Angular2 to create a component that contains a form. Here is my code: ... [formControl] and formControlName. See Question&Answers more detail:os...

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node.js - Webpack for back-end?

I was just wondering, I started using Webpack for a new project and so far it's working fine. I almost ... bundle back-end files with Webpack? See Question&Answers more detail:os...

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ios - UIView backgroundColor disappears when UITableViewCell is selected

I have a simple tableViewCell build in interface builder. It contains a UIView which contains an image. Now, ... the tableView is selected? See Question&Answers more detail:os...

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java - Difference between a "jta-datasource" and a " resource-local " datasource?

The terms "jta-datasource" and "resource-local datasource" are a little vague to me. I'm putting ... but not UserTransaction interface Thanks! See Question&Answers more detail:os...

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java - Why use a singleton instead of static methods?

I have never found good answers to these simple questions about helper/utility classes: Why would I create a ... an object has no state? See Question&Answers more detail:os...

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javascript - how to use jQuery ajax calls with node.js

This is similar to Stream data with Node.js, but I don't feel that question was answered sufficiently. I'm trying to ... '); }).listen(8124); See Question&Answers more detail:os...

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