AFL FUNCTION REFERENCE - THẾ NÀO LÀ MỘT THAM SỐ (PARAM) ĐÚNG QUY CHUẨN

l>AFL Function Reference - PARAM

Param - add user user-definable numeric parameter

Exploration / Indicators (Ami
Broker 4.30)

SYNTAX Param( ""name"", defaultval, min, max, step, sincr = 0 )
RETURNS NUMBER
FUNCTION Adds a new user-definable parameter, which will be accessible via Parameters dialog :right click over chart pane and select "Parameters" or press Ctrl+R allows khổng lồ change chart parameters - changes are reflected immediatelly.

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"name" - defines parameter name that will be displayed in the parameters dialogdefaultval - defines mặc định value of the parametermin, max - define minimum and maximum values of the parameterstep - defines minimum increase of the parameter via slider in the Parameters dialogsincr - automatic section increment value (used by drag-drop interface to lớn increase mặc định values for parameters)WARNING: default/min/max/step parameters have to lớn be CONSTANT numbers. This is because these valuesare cached và are not re-read during subsequent formula evaluations.IMPORTANT: Parameter names and values must NOT contain non-printable characters (ASCII codes ticker = Param
Str( "Ticker", "MSFT" );sp = Param( "MA Period", 12, 2, 100 );Plot
Foreign( ticker, "Chart of "+ticker, Param
Color( "Price Color", color
Light
Yellow ), style
Candle );Plot( MA( Foreign( ticker, "C" ), sp ), "MA(" + Write
Val( sp, 1.0 ) + ")", Param
Color( "MA Color", color
Red ) );Sample code 2:sp = Param( "RSI Period", 12, 2, 100 );r = RSI( sp );Plot( r, "RSI("+Write
Val(sp,1.0)+")", Param
Color("RSI Color", color
Red ) );Buy = Cross( r, 30 );Sell = Cross( 70, r );Plot
Shapes( shape
Up
Arrow * Buy + shape
Down
Arrow * Sell, IIf( Buy, color
Green, color
Red ) );

SEE ALSO PARAMCOLOR() function , PARAMSTR() function PARAMCOLOR() function , Param
Time() function , Param
Adaptive Centre of Gravity
Adaptive Cyber Cycle
Adaptive Laguerre Filter, from John Ehlers
Adaptive Price Channel
Adaptive Relative Vigour Index
Add SL/TGT other params to lớn any strategy
Advanced MA system
Advanced Trend Lines with S và RAdverse Move Ratio
ADX Indicator - Colored
AFL Example
AFL Example - Enhanced
AFL Timing functions
AFL to Python COM Link
AFL_Glossary_Converter
ALJEHANIAllin
One
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Alphatrend
Alternative ZIG function
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Andrews Pitchfork
Andrews Pitchfork
V3.3Animated Back
Ground 1.1AO+Momentum
Application of Ehler filter
Arnaud Legoux Moving Average (ALMA)Aroon The Advisor
AR_Prediction.afl
Auto Fib Ext&Retracement
Auto Trade Step by Step
Automatic Linear Trend Channel
Automatic Linear Trend Channel 2Automatic trend channelautomatic trendlines using fractal patterns
Automatic Trendlines using multiple timeframes
Auto
Trader Basic Flow - updated April 15, 2009Auto
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Average Price Crossoverbabaloo chapora
Bad Tick Trim on 5 sec database
Baseline Relative Performance Watchlist charts V2Basket Trading System T101BBAreacolor&TGLCROSSNEWBEANS-Summary of Holdings
Better Bollinger Bands
Black Scholes Option Pricing
Bman"s Ha
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Bollinger - Keltner Bands
Bollinger Band Squeeze
Bollinger Fibonacci Bandsbonlinger bands
Bottom Fisher Exploration
Brian Wild
Buff Volume Weighted Moving Averages
Bull/Bear Volume
Button trading using AB tự động trading interface
Caleb Lawrence
Candle Stick Analysis
Candle Stick Democandlestick chart for Volume/RSI/OBVCCI 14 Dr
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CCI 50 Dr
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Centre of Gravity
Chandelier Exit
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Channel/S&R & trendlines
Chart Zoom
Color MACD Histogram Changes
Color Price Bar - Impulse System
Color Price Bars with MACD Histogram Changescom-out
Commodity Selection Index (CSI)Computing Cointegration & ADF Dashboard
Congestions detection
Connors
RSIControlling Height of Volume Bars
Coppock Histogram
Coppock Trade Signal on Price Chart
Coppock Trade Signal v1.1Coral Trend Indicator
Cyber Cycle
Cybernertic Hilbert Sine Wave
Cycle Highlighter
Cycle Highlighter (auto best-fit)Cycle Period
Darvas Amibroker
Dave Landry Pull
Back Scan
Day Bar No
DEBAJDemand Index
Di
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Dinapoli Perferred Stochastic
Dominant Cycle Phase
Double Super Trend System
DPO with shading
DT Oscillator
Dynamic Momentum Index
Dynamic Momentum Index
Dynamtic Momentum Index
Effective Swing Indicator
Ehlers Center of Gravity Oscillator
Ehlers Hilbert Transformer Indicator
Ehlers Reflex Indicator
Ehlers Trendflex Indicatorekeko price chart
EKEKO SAR-MFElder Impulse Indicator
Elder Impulse Indicator V2Elder Ray Oscillator with MAElder safe Zone Long + short
Elder Triple Screen Trading System
Elder"s Market Thermometer
Elder"s Safe
Zone Stop
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Safe
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Ergodic Oscillator
Even Better Sinewave Indicator
Fast
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Stoch
K-DFib CMOFib fan hâm mộ Based on ZZFibonacci Calculations và Speed Resistance
Fibonacci Internal & External Retracements
Fibonacci Moving averages
Fisher Centre of Gravity
Fisher Cyber Cycle
Fisher Oscillator
Fisher Relative Vigour Index
For tự động hóa Trading Setup
Forward/Reverse EMA by John Ehlers
Fre
Frequency distribution of returns
FTWHMS - FIFTY TWO WEEKS HIGH MOMENTUM STRATEGYFuture MA Projection
Future Plotting of Time and Price
Future Plotting of Time và Price
Gann level plotter
Gann Swing chart v41212Gann Swing Charts in 3 modes with text
Geometric Mean of Volume
Gfx Toolkit
GFX Tool
Tip
Gordon Rose
Graphical sector analysis
Graphical sector stock amalysis
Guppy Cloud
Halftrend
Harmonic Pattern Detection
Harmonic Patterns
Heatmap V1Heikin Ashi Delta
Heikin-Ashi(Koma-Ashi) with Moving Average
High Low Detection code
Hilbert Sine Wave
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Historical Volatility Index
How to add IB Option Symbols
Hull Moving Average
Hurst "Like" DEIchimoku Kinko Hyo
ICHIMOKU SIGNAL TRADERIchimoku
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Viorel
ROIndicator Explorer (Zig
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Intraday Fibonacii Trend Break System
INTRADAY HEIKIN ASHI new
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Intraday Volume EMAInverted Plotted Volume Overlay Indicator
JEEVAN"S SRI CHAKRAJesse Livermore Secret Market Key
John Ehler
Kairi Relative Index
Kiss và Touch with the Modified True Range Larry William"s Volatility Channels
Laugerre PPO Oscillator
Least Squares Channel Indicator
Linear Candle
Linear Regression Line w/ Std Deviation Channels
Log Time Scale
LSMALunar Phases - original
Lunar
Phase
MACD BB Indicator
MACD Histogram - Change in Direction
MACD indicator display
Market Breadth Chart-In-Chart
Market Meanness Index
Market Profile
MCDX (Multi màu sắc Dragon Extended)Meu Sistema de Trading - versão 1.0MFE và MAE & plot trades as indicator
Mndahoo ADXModel Four
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Modified-DVIMoving Averages No
XMS Darvas Box with Exploration
Multi-color Volume At Price (VAP)Multi
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Nadaraya-Watson Envelope
NASDAQ 100 Volume
New HL Scanner
Non-repaitning Zigzag line
Noor_Doodie
NRx Explorationnth ( 1 - 8 ) Order Polynomial Fit
Open Range Breakout Trading System
Optimal Weights
Option Calls, Puts & days till third friday.Ord Volume
Parab
XOParametric Chande Trendscorepattenz
Pattern_-_Rectangle_Base_Breakout_on_High_Vol 2Percentage Price Oscillator
Perceptron
Peter Cooper
Pivot Finder
Pivot Point with S/R Trendlines
Pivots and Prices
Plot visual stop / target ratio.Point và figure Chart India Securities
Position Sizer vers2, stocks and CFDs
Position Sizing and Risk Price Graph - 2prakash
Probability Density & Gaussian Distribution
Projection Oscillator
PVT Trend Decider
Random Walk
Random Walk Index
Random Walk Index, base formula included
Range Filter - Trading Strategy
Ranking & sorting stocks
Raw ADXRea Time Daily Price Levels
Relative Momentum Index (RMI)Relative strength comparison with moving average
Relative Vigour Index
Relative Volume
Renko Chart
RI - tự động hóa Trading System
RSI + Avgs
RSI indicator with Upper & Lower Zone Bars
RSI style
Clip
Min
Max
SAR-For
Next
Bar
Stop
Scale Out: Futures
Scan New High & New Low
Schiff Linesshailu lunia
Shares lớn Buy Price Graph
Signal lớn Noise
Simple Momentum
Smoothed Adaptive Momentum
Spearman Rank Correlation Coefficient
Square of Nine Roadmap Charts
Stan Weinstein strategy
Standard Error Bands (Native AFL)STARC Bands
Stochastic %J - KDJStochastic Centre of Gravity
Stochastic Cyber Cycle
Stochastic Oscillator
Stochastic Relative Vigour Index
Stochastic RSIStop-loss Indicator bands
Stops on percentages
Stress with Super
Smoother
SUPER PIVOT POINTSSuper Trend Indicator
Support và Resistance
Support và resistance
Support Resistance levels
TD Moving Average 2TD REITD sequential
The Fibonaccian behavior
The Three Day Reversal
Three Day Balance Pointtomy_frenchy
Tracking Error
Tracking Error
Trades per second indicator
Trailing Stop Loss
Trend Detection
Trend Lines from 2 points
Triangular Moving Average new
Trigonometric Fit - Trig
Fit with AR for cos / sin
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TTM Squeeze
Twiggs Money Flow
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Ultimate plus
Updated Renko Chart
Value
Chart
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Visi-Tradevisual turtle trading system
Visualization of stoploses & profit in chart
Vivek Jain
Volatility
Volume màu sắc with Dynamic Limit
Volume Occilator
Volume wieghted moving average
Volume Zone Oscillator
Volume
Div
Avg
V3_Study_Br
SVoss Predictive Filter (A Peek Into the Future)VSTOP (2)VSTOP (3)William"s Alligator System IIWILSON RELATIVE PRICE CHANNELWolfe Wave Patterns
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Woodie"s CCI Panel Full Stats
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Woodies CCIZ-Score Indicator
Zero
Lag MACD(p,q,r)Zig Explorer
Zig Zag
Zig-Hi Zap-Lo
Zig
Zag - Days, Avg (Ord) Volume and Channels
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Zag filter rewrited from scratch in AFLZig
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More information: See updated/extended version on-line.

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Query parameters are added khổng lồ the URL after the ? mark, while a path parameter is part of the regular URL.

In the URL below tom could be the value of a path parameter & there is one query parameter with the name id and value 1:

http://mydomain.example/tom?id=1


*

*

Ruben, I want to add that you can also refer equivalent of the same in Spring RESTFull implementation.

Xem thêm: Cho: A3 B3 C3=3Abc Hay Chứng Minh: A B C=0 Hoặc A=B=C, Chứng Minh Nếu A + B + C = 0 Thì A^3 + B^3 + C^3

JAX- RS Specification
Path
Param - Binds the value of a URI template parameter or a path segment containing the template parameter lớn a resource method parameter, resource class field, or resource class bean property.


Query
Param - Binds the value(s) of a HTTP query parameter lớn a resource method parameter, resource class field, or resource class bean property.

URI : users/query?from=100


*

Additionally, query parameter can be null but path parameter can"t. If you don"t append the path parameter, you will get 404 error. So you can use path parameter if you want khổng lồ send the data as mandatory.


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javax.ws.rs.Path
Param This annotation allows you to extract values from URI template parameters. PART-1 :
Path
Param("year") String year) ... If I query the JAX-RS service with GET /mercedes/e55/2006, the get
E55Picture() method would match the incoming request and would be invoked. PART-2 :
*

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Designing restful APIs path - for returning filtered resource and for returning trimmed properties of a resource
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