Rich-Harris

node_modules

vasanthk

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

zikani03

import java.util.HashMap;
import spark.Filter;
import spark.Request;
import spark.Response;
import spark.Spark;

/**
 * Really simple helper for enabling CORS in a spark application;
 */
public final class CorsFilter {

polbins

Simple RecyclerView Divider

Simple Horizontal Divider Item Decoration for RecyclerView

    mRecyclerView.addItemDecoration(new SimpleDividerItemDecoration(
            getApplicationContext()
    	));

NOTE: Add item decoration prior to setting the adapter

ssinss

import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;

public abstract class EndlessRecyclerOnScrollListener extends RecyclerView.OnScrollListener {
    public static String TAG = EndlessRecyclerOnScrollListener.class.getSimpleName();

    private int previousTotal = 0; // The total number of items in the dataset after the last load
    private boolean loading = true; // True if we are still waiting for the last set of data to load.
    private int visibleThreshold = 5; // The minimum amount of items to have below your current scroll position before loading more.
    int firstVisibleItem, visibleItemCount, totalItemCount;

myusuf3

To remove a submodule you need to:

• Delete the relevant section from the .gitmodules file.
• Stage the .gitmodules changes git add .gitmodules
• Delete the relevant section from .git/config.
• Run git rm --cached path_to_submodule (no trailing slash).
• Run rm -rf .git/modules/path_to_submodule (no trailing slash).
• Commit git commit -m "Removed submodule "
• Delete the now untracked submodule files rm -rf path_to_submodule

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

chrisjenx

# built application files
*.apk
*.ap_

# files for the dex VM
*.dex

# Java class files
*.class

craSH

/**
  * Author: Ian Gallagher <igallagher@securityinnovation.com>
  *
  * This code utilizes jBCrypt, which you need installed to use.
  * jBCrypt: http://www.mindrot.org/projects/jBCrypt/
  */

public class Password {
  	// Define the BCrypt workload to use when generating password hashes. 10-31 is a valid value.
	private static int workload = 12;

joshdholtz

 
public class SomeFragment extends Fragment {
 
	MapView mapView;
	GoogleMap map;
 
	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
		View v = inflater.inflate(R.layout.some_layout, container, false);