Broadcast receiver for checking internet connection in android app

Broadcast receiver for checking internet connection in android app

I am developing an android broadcast receiver for checking internet connection.The problem is that my broadcast receiver is being called two times. I want it to get called only when the network is available. If it is unavailable, I don't wa

Creating a byte array from a stream

Creating a byte array from a stream

What is the prefered method for creating a byte array from an input stream? Here is my current solution with .NET 3.5. Stream s;byte[] b;using (BinaryReader br = new BinaryReader(s)){ b = br.ReadBytes((int)s.Length);}Is it still a better

Why do we need virtual functions in C++?

Why do we need virtual functions in C++?

I'm learning C++ and I'm just getting into virtual functions.From what I've read (in the book and online), virtual functions are functions in the base class that you can override in derived classes.But earlier in the book, when learning abo

ng-model for

ng-model for

I tried to use ng-model on input tag with type file:But after selecting a file, in controller, $scope.vm.uploadme is still undefined.How do I get the selected file in my controller? 1:I created

:: (double colon) operator in Java 8

:: (double colon) operator in Java 8

I was exploring the Java 8 source and found this particular part of code very surprising://defined in [email protected] final OptionalInt reduce(IntBinaryOperator op) { return evaluate(ReduceOps.makeInt(op));}@Overridepubli

jQuery selector regular expressions

jQuery selector regular expressions

I am after documentation on using wildcard or regular expressions (not sure on the exact terminology) with a jQuery selector.I have looked for this myself but have been unable to find information on the syntax and how to use it. Does anyone

Turning query errors to Exceptions in MySQLi

Turning query errors to Exceptions in MySQLi

I'm trying to turn MySQLi query errors to Exceptions, but couldn't - mysqli_sql_exception is thrown only if it failed to connect the DB.I used mysqli_report(MYSQLI_REPORT_STRICT) and procedural MySQLi functions embedded to custom wrapper cl

Passing data between controllers in Angular JS?

Passing data between controllers in Angular JS?

I have a basic controller that displays my products,App.controller('ProductCtrl',function($scope,$productFactory){ $productFactory.get().success(function(data){ $scope.products = data; });});In my view I'm displaying this

Micro fusion and addressing modes

Micro fusion and addressing modes

I have found something unexpected (to me) using the Intel® Architecture Code Analyzer (IACA).The following instruction using [base+index] addressing addps xmm1, xmmword ptr [rsi+rax*1]does not micro-fuse according to IACA. However, if I use

What's the difference between next() and nextLine() methods from Scanner class?

What's the difference between next() and nextLine() methods from Scanner class?

What is the main difference between next() and nextLine()?My main goal is to read the all text using a Scanner which may be "connected" to any source (file for example).Which one should I choose and why? 1:I always prefer to read input u

Invoking JavaScript code in an iframe from the parent page

Invoking JavaScript code in an iframe from the parent page

Basically, I have an iframe embedded in a page and the iframe has some JavaScript routines I need to invoke from the parent page.Now the opposite is quite simple as you only need to call parent.functionName(), but unfortunately, I need exac

Remove HTML tags from a String

Remove HTML tags from a String

Is there a good way to remove HTML from a Java string? A simple regex like replaceAll("\\<.*?>","") will work, but things like & wont be converted correctly and non-HTML between the two angle brackets will be removed (i.e. the .*? in

How to get the caret position in a textarea, in characters, from the start?

How to get the caret position in a textarea, in characters, from the start?

How do you get the caret position in a