Tutorial by Examples: ha

You can set the behavior of the FAB in XML. For example: <android.support.design.widget.FloatingActionButton app:layout_behavior=".MyBehavior" /> Or you can set programmatically using: CoordinatorLayout.LayoutParams p = (CoordinatorLayout.LayoutParams) fab.getLayoutPara...

When used inside a double-quoted string, the escape character (backtick `) reperesents a special character. `0 #Null `a #Alert/Beep `b #Backspace `f #Form feed (used for printer output) `n #New line `r #Carriage return `t #Horizontal tab `v #Vertical tab (used for pri...

adb push file.txt /sdcard/

When we query our data, we often need more than one filter to get the exact data set we are looking for. In SQL, we handle this with AND and OR clauses. We can achieve the same thing with collections. To add an AND clause to your query, just simply add another method call. This will append the seco...

This uses the SwiftyDropbox library to upload a file from a NSFileHandle to the Dropbox account using upload sessions, handling every error case: import UIKit import SwiftyDropbox class ViewController: UIViewController { // filled in later in doUpload: var fileHandle : NSFileHandle?...

In Symfony, the built-in ChoiceType (and EntityType or DocumentType extending it), basicaly work with a constant choice list. If you want to make it work with ajax calls, you have to change them to accept any sumitted extra choices. How to start with an empty choice list ? When you build your...

When you define a class or module, the implicit receiver becomes a reference to the class itself. For example: puts "I am #{self}" class Example puts "I am #{self}" end Executing the above code will print: "I am main" "I am Example"

BEGIN TRY -- start error handling BEGIN TRANSACTION; -- from here on transactions (modifictions) are not final -- start your statement(s) select 42/0 as ANSWER -- simple SQL Query with an error -- end your statement(s) COMMIT TRANSACTION; -- finalize all transa...

DASH is the most widely deployed adaptive streaming technology in modern solutions, used to deliver video in a wide variety of scenarios. The best way to understand DASH presentations is to observe the network activity that takes place during playback. This example uses Fiddler to capture and analy...

JSON is a very strict format (see http://json.org). That makes it easy to parse and write for machines but surprises humans when an inconspicuous mistakes breaks the document. Common Problems Trailing Comma Unlike most programming languages your are not allowed to add a trailing comma: { a: 1...

A shader program, in the OpenGL sense, contains a number of different shaders. Any shader program must have at least a vertex shader, that calculates the position of the points on the screen, and a fragment shader, that calculates the colour of each pixel. (Actually the story is longer and more co...

Visual Studio (IDE) WPA (performance analyzer) WinDbg (debugger) IDA Pro (disassembler) dotPeek (decompiler for .NET) WinMerge (diff tool) HxD or 010 editor (hex editor) Speedcrunch (calculator) Firefox (browser) Rohitab API monitor (API call monitoring) SOS (a WinDbg extension for .NET)...

Auxilliary function that takes a seed and evaluates: uint wang_hash(uint seed) { seed = (seed ^ 61) ^ (seed >> 16); seed *= 9; seed = seed ^ (seed >> 4); seed *= 0x27d4eb2d; seed = seed ^ (seed >> 15); return seed; } anot...

[root@localhost ~]# docker run -it -v /data --name=vol3 8251da35e7a7 /bin/bash root@d87bf9607836:/# cd /data/ root@d87bf9607836:/data# touch abc{1..10} root@d87bf9607836:/data# ls abc1 abc10 abc2 abc3 abc4 abc5 abc6 abc7 abc8 abc9

[root@localhost ~]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES d87bf9607836 8251da35e7a7 "/bin/bash" About a minute ago Up 31 seconds vol3 [r...

[root@localhost ~]# docker run -it --volumes-from vol3 8251da35e7a7 /bin/bash root@ef2f5cc545be:/# ls bin boot data dev etc home lib lib64 media mnt opt proc root run sbin srv sys tmp usr var root@ef2f5cc545be:/# ls /data abc1 abc10 abc2 abc3 abc4 abc5 abc6 abc7...

If you want to detect when your user enters a specific location, you can create a fence for the specific location with a radius you want and be notified when your user enters or leaves the location. // Your own action filter, like the ones used in the Manifest private static final String FENCE_REC...

Pig provides an engine for executing data flows in parallel on Hadoop. It includes a language, Pig Latin, for expressing these data flows. Pig Latin includes operators for many of the traditional data operations (join, sort, filter, etc.), as well as the ability for users to develop their own fun...

Attribute Image capitalizes all characters of enumeration literals. The function Case_Rule_For_Names applies upper case for the first character and makes the rest lower case. with Ada.Text_IO; use Ada.Text_IO; with Ada.Strings.Maps.Constants; use Ada.Strings.Maps.Constants; with Ada.Strings.Fixed...

The concept of timing is related more to the physics of flip flops than VHDL, but is an important concept that any designer using VHDL to create hardware should know. When designing digital hardware, we are typically creating synchronous logic. This means our data travels from flip-flop to flip-flo...