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Is there a way to run Python on Android?
...nux, Windows, OS X, Android and iOS. You can run the same [python] code on all supported platforms.
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What is NODE_ENV and how to use it in Express?
...ment variable and do different things based on the value. NODE_ENV specifically is used (by convention) to state whether a particular environment is a production or a development environment. A common use-case is running additional debugging or logging code if running in a development environment.
A...
Launching Google Maps Directions via an intent on Android
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Navigation intents seem to be officially supported now: developers.google.com/maps/documentation/android/…
– Sanketh Katta
Feb 15 '15 at 1:59
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When to use Storyboard and when to use XIBs
...ng Storyboards. My learnings are:
Storyboards are nice for apps with a small to medium number of screens and relatively straightforward navigation between views.
If you have lots of views and lots of cross-navigation between them the Storyboard view gets confusing and too much work to keep clean.
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Version vs build in Xcode
...ortVersionString (Version) and CFBundleVersion (Build).
The Version is usually used how you appear to have been using it with Xcode 3. I'm not sure on what level you're asking about the Version/Build difference, so I'll answer it philosophically.
There are all sorts of schemes, but a popular one i...
Get the client's IP address in socket.io
...it logs on git hub to figure this one out, but the following code does actually work for me now:
var io = require('socket.io').listen(server);
io.sockets.on('connection', function (socket) {
var address = socket.handshake.address;
console.log('New connection from ' + address.address + ':' + ad...
How to get key names from JSON using jq
...fy -r then you get a quoted string, which looks fine on-screen, but you usually don't want the quotes embedded in the string.
– MarkHu
Apr 26 '18 at 2:49
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Understand convertRect:toView:, convertRect:FromView:, convertPoint:toView: and convertPoint:fromVie
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I always find this confusing so I made a playground where you can visually explore what the convert function does. This is done in Swift 3 and Xcode 8.1b:
import UIKit
import PlaygroundSupport
class MyViewController: UIViewController {
override func viewDidLoad() {
super.viewDidL...
What is App.config in C#.NET? How to use it?
... connection string is hard coded in my coding, there is no problem for installing it in my system, but for other systems there is.
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If string is empty then return some default value
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ActiveSupport adds a presence method to all objects that returns its receiver if present? (the opposite of blank?), and nil otherwise.
Example:
host = config[:host].presence || 'localhost'
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