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Nathan Armstrong

Questions by Nathan Armstrong

How to get the distance between two locations from a users input?

I'm busy developing a web app. Below is code from Googles API that displays the directions between the two points wh...

How to list all the available keyspaces in Cassandra??

I am newbie in Cassandra and trying to implement one toy application using Cassandra. I had created one keyspace and...

How does we understand this float-point numbers (.1E0)?

It is about data types in mysql and floating-point values, but I don't understand that format. example: .1E0 I know ...

Replace spaces with dashes and make all letters lower-case?

I need to reformat a string using jQuery or vanilla JavaScript Let’s say we have "Sonic Free Games". I want to c...

Vector Iterators Incompatible?

I have a class with a std::vector data member e.g. class foo{ public: const std::vector<int> getVec(){return...

SSL handshake aborted - what is the exact reason??

While trying to establish a HTTPS connection, I get back an IOException: SSL handshake aborted: ssl=0x519ea2d8: I/O...

Comparing Class Types in Java?

I want to compare the class type in Java. I thought I could do this: class MyObject_1 {} class MyObject_2 extends ...

Print output in GUI interface Tkinter Python?

from Tkinter import * def printSomething(): print "Hey whatsup bro, i am doing something very interresting." r...

Reverse / invert a dictionary mapping?

Given a dictionary like so: my_map = {'a': 1, 'b': 2} How can one invert this map to get: inv_map = {1: 'a', 2: ...

error: indirection requires pointer operand ('int' invalid)?

The purpose of this code is to pass a virtual address in decimal and output the page number and offset. After I com...

How do I redirect in expressjs while passing some context??

I am using express to make a web app in node.js. This is a simplification of what I have: var express = require('ex...

Difference between image formats RGB888 and ARGB8888?

I'm new to image processing and game development. I was following a tutorial in which it suggest to use background i...

How to initialize log4j properly??

After adding log4j to my application I get the following output every time I execute my application: log4j:WARN No...

How to make ACTION_SHUTDOWN intent work when app is closed in android??

Android ACTION_SHUTDOWN intent not working when my app is closed. It works well when app is in foreground or backgro...

Xamarin.Android Architecture Components: Not getting callbacks for lifecycle events?

I'm trying to use the architecture components package for detecting when the application enters background or foregr...