Ammar Ali

Raspberry Pi Howtos

  1. MySQL in Raspberry Pi
  2. Setup a Raspberry Pi File Server
  3. DNS Server on Raspberry Pi
  4. Dropbox on Raspberry Pi
  5. Plex Media Player on Raspberry Pi
  6. Raspberry Pi Pinout
  7. Chrome on Raspberry Pi
  8. Firefox for Raspberry Pi
  9. On-Screen Keyboard for Raspberry Pi

JavaScript Howtos

  1. Change Attribute in JavaScript
  2. Show/Hide Div onClick in JavaScript
  3. Introduction to OpenCV JavaScript
  4. Use OpenCV JavaScript to Displaying an Image
  5. Use OpenCV JavaScript to Capture and Play Video
  6. Alert Yes No With the confirm() Function in JavaScript
  7. Change Input Value in JavaScript
  8. Change the Background Color in JavaScript
  9. Compare Objects in JavaScript
  10. Convert Array to JSON in JavaScript
  11. Convert RGB to HEX in JavaScript
  12. JavaScript Move Element
  13. Toggle a Button in JavaScript
  14. Convert Date to UTC in JavaScript
  15. Get the Timezone in JavaScript
  16. Add Character to String in JavaScript
  17. Clone an Array in JavaScript
  18. Find Max/Min Value in JavaScript Array
  19. Get the Timestamp in JavaScript
  20. JavaScript Append to String
  21. JavaScript Fibonacci
  22. JavaScript Pick Random Value From Array
  23. JavaScript Reverse Array
  24. JavaScript Stack and Queue
  25. JavaScript Submit Form on Click
  26. JavaScript Unique Array
  27. Integer Division in JavaScript
  28. JavaScript Append Array to Another
  29. JavaScript Sort Array of Objects Alphabetically
  30. Window Resize Event in JavaScript
  31. JavaScript Average Function
  32. JavaScript Change Text
  33. Add Object to Array in JavaScript
  34. Change Image Source JavaScript
  35. JavaScript Add Class to Element
  36. JavaScript Enums
  37. Remove Item From Array by Value in JavaScript

Matlab Howtos

  1. MATLAB kstest() Function
  2. MATLAB Norm of Rows of a Matrix
  3. MATLAB deg2rad Function
  4. MATLAB Quantile
  5. MATLAB Reverse Colormap
  6. MATLAB Waterfall Plot
  7. Export Data From MATLAB to Excel
  8. MATLAB Remove NaN From Vector
  9. MATLAB repelem() Function
  10. MATLAB Inverse Fast Fourier Transform
  11. Insert Variable Into String in MATLAB
  12. MATLAB Line Continuation
  13. MATLAB Polar Plot
  14. MATLAB Sort Rows
  15. Remove Zeros From a Vector in MATLAB
  16. MATLAB Fibonacci Sequence
  17. MATLAB corr2() Function
  18. MATLAB Norm() Function
  19. Append Vector to 3D Matrix in MATLAB
  20. MATLAB Image Low Pass Filter
  21. Plot Multiple Data Sets on a Single Scatter Plot in MATLAB
  22. MATLAB Inverse Cosine
  23. MATLAB Repmat
  24. The Caxis() Function in MATLAB
  25. The mvnpdf() Function in MATLAB
  26. The nnz() Function in MATLAB
  27. MATLAB fzero Function
  28. MATLAB Sin and Sind Function
  29. Generate a Summation of a Series in MATLAB
  30. Use Greek Symbols in Bar Graph Labels in MATLAB
  31. Apply Geometric Transformation to Images in MATLAB
  32. Convert Number to String in MATLAB
  33. Find K-Nearest Neighbors in MATLAB
  34. Extract Values From a String Using sscanf() in MATLAB
  35. MATLAB CPU Time
  36. Check the Existence of a File in MATLAB
  37. Newton-Raphson Method in MATLAB
  38. 3D Plots in MATLAB
  39. Determine Which Characters Are Letters in MATLAB
  40. MATLAB Data Types
  41. MATLAB Image Dilation
  42. MATLAB Image Histogram
  43. MATLAB Trapezoidal Rule
  44. MATLAB Variables
  45. Root Locus Plot in MATLAB
  46. 2D Interpolation Using MATLAB
  47. 3D Bar Graph in MATLAB
  48. 3D Contour Plot in MATLAB
  49. 3D Line or Point Plot in MATLAB
  50. 3D Quiver or Vector Plot in MATLAB
  51. Conditional Statement in MATLAB
  52. Cumulative Sum Using MATLAB
  53. Low Pass Filter in MATLAB
  54. Random Permutation Using MATLAB
  55. Image Resize in MATLAB
  56. Make a Column Vector in MATLAB
  57. Plot Circle in MATLAB
  58. Scatter Plot in MATLAB
  59. The diff() Function in MATLAB
  60. The linspace() Function in MATLAB
  61. The meshgrid() Function in MATLAB
  62. Change Legend Title in MATLAB
  63. Concatenate String in MATLAB
  64. Mesh Surface Plot in MATLAB
  65. Plot a Horizontal Line in MATLAB
  66. Plot Multiple Plots in MATLAB
  67. The find() Function in MATLAB
  68. Clear Variables in MATLAB
  69. Erosion of an Image in MATLAB
  70. Extract Frames From Video Using MATLAB
  71. Flip Image in MATLAB
  72. Integration in MATLAB
  73. Negative of an Image in MATLAB
  74. Reduced Row Echelon Form MATLAB
  75. Create a Function in MATLAB
  76. Create Array of Zeros in MATLAB
  77. Find Index of Value in Array in Matlab
  78. Get Average of Array With the mean() Function in Matlab
  79. Inverse Laplace Transform Using MATLAB
  80. MATLAB Eigenvalues and Eigenvectors
  81. Sum of Elements of an Array in MATLAB
  82. System of Linear Equation in MATLAB
  83. MATLAB Create Random Matrix
  84. MATLAB Dirac Delta Function
  85. MATLAB Find String
  86. Return Multiple Values From a Matlab Function
  87. MATLAB Bode Diagram
  88. MATLAB Global Variables
  89. MATLAB Hide Axis
  90. MATLAB Subplot Title
  91. Convert ASCII to String in MATLAB
  92. Convert RGB to Gray Scale in Matlab
  93. Get Roots of Polynomial in Matlab
  94. MATLAB Mean Filter
  95. MATLAB Shift Array
  96. MATLAB White Noise
  97. MATLAB Array Size Limit
  98. MATLAB Draw Arrow
  99. MATLAB Ramp Input Response
  100. Draw Line on Image in Matlab
  101. MATLAB Animated Plot
  102. MATLAB Figure Name
  103. MATLAB Iterate Through Matrix
  104. MATLAB Maximize Figure
  105. MATLAB Recursive Function
  106. Piecewise Function in MATLAB
  107. Plot Sine Wave in Matlab
  108. Read CSV File in Matlab
  109. Round Number in Matlab
  110. Sum Elements of a Matrix in MATLAB
  111. Text Box in MATLAB
  112. Create New Figure in Matlab
  113. MATLAB Default Color Order
  114. MATLAB Label Lines
  115. MATLAB Loop Through Vector
  116. MATLAB Save Command Window Contents
  117. Plot an Equation in MATLAB
  118. MATLAB Brackets
  119. MATLAB MAT File
  120. MATLAB Optional Arguments
  121. MATLAB Read XLSX
  122. MATLAB RGB Triplet
  123. MATLAB Transpose
  124. Get the Size of Vector in Matlab
  125. Histogram in MATLAB
  126. MATLAB Check Variable Type
  127. MATLAB Custom Legend
  128. MATLAB Diagonal Matrix
  129. MATLAB Fprintf Table
  130. MATLAB Log Plot
  131. MATLAB .* Operator
  132. MATLAB Axis Limits
  133. MATLAB Display String
  134. MATLAB Plot Color Map
  135. MATLAB Plot Line Styles
  136. Comment Multiple Lines in MATLAB
  137. MATLAB & vs &&
  138. MATLAB asv File
  139. MATLAB Index Exceeds Matrix Dimensions
  140. MATLAB Max Index
  141. MATLAB Ternary Operator
  142. MATLAB vs Octave

Python How-To's

  1. Python Round Up to the Nearest Ten
  2. Python Generator Class
  3. Python Get User Input With Timeout
  4. Check Argument of Argparse in Python
  5. Flatten JSON in Python
  6. Python Image Compression
  7. Python Get Home Directory
  8. Python Abstract Property
  9. Python Crc32
  10. OpenCV ArUco Markers
  11. Undistort Images Using OpenCV
  12. OpenCV Face Recognition
  13. OpenCV Background Subtraction
  14. OpenCV Object Detection
  15. OpenCV Optical Flow
  16. OpenCV Edge Detection
  17. Matrix Multiplication in OpenCV
  18. OpenCV Save Image
  19. Using the waitKey Function in OpenCV
  20. Use Erode in OpenCV
  21. OpenCV Average Color of Image
  22. OpenCV Combine Images
  23. OpenCV Convolution
  24. OpenCV Detect Rectangle
  25. OpenCV Hough Circles
  26. OpenCV Image Point
  27. OpenCV Line Detection
  28. OpenCV Perspective Transform
  29. OpenCV Read Video
  30. OpenCV Remap
  31. OpenCV Bounding Box
  32. OpenCV Compare Images
  33. OpenCV Create Image
  34. OpenCV Histogram Equalization
  35. OpenCV Shape Detection
  36. OpenCV Blob or Circle Detection
  37. OpenCV Detect Colors
  38. OpenCV Find Contours
  39. OpenCV Normalize Images
  40. OpenCV Put Text on Images
  41. OpenCV Rotate Image

C++ Howtos

  1. C++ Binary Search Tree Destructor
  2. C++ Tic Tac Toe Game
  3. C++ Cube Root

C Howtos

  1. Use as Carriage Return Character in C
  2. Create a Table in C
  3. Map or Structure in C
  4. MIN and MAX Function in C
  5. size_t in C
  6. Implicit Declaration of Function in C

Arduino Howtos

  1. Arduino Return Array From Function
  2. Arduino ADC
  3. Arduino Square Wave Generator
  4. Arduino strcmp Function
  5. Arduino strcpy Function
  6. Concatenate Strings in Arduino
  7. Arduino Clear Serial Buffer
  8. Arduino sscanf Function
  9. Arduino Toggle Pin
  10. Define a Global Variable in Arduino
  11. Parse a String in Arduino
  12. Arduino Nested if Statement
  13. Add Delay in Microseconds in Arduino
  14. Arduino Byte to Integer Conversion
  15. Arduino memset() Function
  16. Generate Random Numbers in Arduino
  17. Print Char Array in Arduino
  18. Split String in Arduino
  19. Subroutine in Arduino
  20. Compare Strings in Arduino
  21. Make a Counter in Arduino
  22. Arduino Print to Console
  23. Programming Arduino With C++
  24. Arduino 2D Array
  25. Arduino Char to String
  26. Arduino ICSP
  27. Arduino if Statement
  28. Arduino Int to Char
  29. Arduino LED Resistor
  30. Arduino map() Function
  31. Arduino memcpy and memmove
  32. Arduino Natural Log
  33. Arduino Print New Line
  34. Arduino Pull Down Resistor
  35. Arduino Serial Flush
  36. Arduino Serial Port Read String
  37. Arduino Serial Print Multiple Variables
  38. Arduino strtok
  39. Arduino dtostrf Function
  40. Arduino Exit Status 1
  41. Arduino printf Function
  42. Arduino Round
  43. Arduino Wait for Input
  44. Arduino Clear Serial Monitor
  45. Arduino Length of Array
  46. Arduino millis() Function
  47. Arduino Port Greyed Out
  48. Arduino Char to Int
  49. Arduino Convert Float to String
  50. Power Arduino Nano With Battery
  51. Arduino Convert String to Char
  52. Arduino Reset
  53. Stop a Loop Arduino

Plotly Howto's

  1. Plotly Violin Plot
  2. Plotly 3D Scatter Plot
  3. Plotly Choropleth Map
  4. Plotly Gantt Chart
  5. Plotly Heatmap
  6. Plotly Histogram
  7. Plotly Line Chart
  8. Plotly Treemap
  9. Plotly Sankey Diagram
  10. Plotly Stacked Area Chart
  11. Plotly Bar Chart
  12. Plotly Table
  13. Plotly Box Plot
  14. Plotly Bubble Chart
  15. Plotly Pie Chart

Seaborn Howto's

  1. Seaborn Joint Plot
  2. Multiple Line Plot Seaborn
  3. Seaborn Confusion Matrix Plot
  4. Seaborn Horizontal Bar Plot
  5. Seaborn Pie Chart

Python Matplotlib Howto's

  1. Python Error Bar
Author: Ammar Ali
Ammar Ali avatar Ammar Ali avatar

Hello! I am Ammar Ali, a programmer here to learn from experience, people, and docs, and create interesting and useful programming content. I mostly create content about Python, Matlab, and Microcontrollers like Arduino and PIC.

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