Suraj Joshi

2. Author
3. Suraj Joshi

Python How-To's

1. Play Mp3 File Using Python
2. Remove Commas From String in Python
3. Calculate Modular Multiplicative Inverse in Python
4. Delete Files and Directories Using Python

Go Howtos

1. Convert String to Integer Type in Go
2. Convert Go Struct to JSON
3. Find a Type of an Object in Go
4. Print Struct Variables in Console in Go
5. Convert an Int Value to String in Go
6. Parse Date String in Go
7. Delete an Element From a Slice in Golang
8. Check if a Map Contains a Key in Go
9. Efficiently Concatenate Strings in Go
10. Write Multiline Strings in Go
11. Iterate Over an Entire Map in Go
12. Concatenate Two Slices in Go

Python Matplotlib Howto's

1. Add Title to Subplots in Matplotlib
2. Add a Y-Axis Label to the Secondary Y-Axis in Matplotlib
3. Connect Scatterplot Points With Line in Matplotlib
4. Change Space Between Subplots in Matplotlib
5. Set Marker Size of Scatter Plot in Matplotlib
6. Manually Set the Size of the Bins in Matplotlib Histogram
7. Display Multiple Images in One Figure Correctly in Matplotlib
8. Plot a 2D Heatmap With Matplotlib
9. Plot a Circle in Matplotlib
10. Set the Figure Title and Axes Labels Font Size in Matplotlib
11. Plot Logarithmic Axes in Matplotlib
12. Plot and Save a Graph in High Resolution in Matplotlib
13. Make a Square Plot With Equal Axes in Matplotlib
14. Change the Line Width of Lines in Matplotlib Legend
15. Set Limits for Axes in Matplotlib
16. Save Plots as an Image File Without Displaying in Matplotlib
17. Automate Plot Updates in Matplotlib
18. Plot Data in Real Time Using Matplotlib
19. Create a Surface Plot in Matplotlib
20. Set a Single Main Title for All the Subplots in Matplotlib
21. Change Matplotlib Plot Size
22. Remove the Legend in Matplotlib
23. Reverse Axes in Matplotlib
24. Save Plots as PDF File in Matplotlib
25. Turn Off the Axes for Subplots in Matplotlib
26. Colorplot of 2D Array Matplotlib
27. Convert a NumPy Array to PIL Image in Python
28. Create Reverse Colormap in Python Matplotlib
29. Latex Formulas in Matplotlib
30. Matplotlib 3D Projection
31. Matplotlib Boxplot Python
32. Matplotlib imread in Python
33. Matplotlib Label Scatter Points
34. Matplotlib Plot Smooth Curve
35. Matplotlib.pyplot.specgram() in Python
36. Plot CDF Matplotlib Python
37. Plot Multiple Lines in Python Matplotlib
38. Set Matplotlib Grid Interval
39. twinx and twiny in Matplotlib
40. Matplotlib Plot Time Series
41. Pandas Plot Multiple Columns on Bar Chart With Matplotlib
42. Plot NumPy Linear Fit in Matplotlib Python
43. Plot Points in Matplotlib
44. Set Number of Ticks in Matplotlib
45. Use of pyplot.figure() in Matplotlib
46. Matplotlib Density Plot
47. Stack Bar Plots in Matplotlib
48. Add Subplot to a Figure in Matplotlib
49. Add Text Inside the Plot in Matplotlib
50. Draw an Arbitrary Line in Matplotlib
51. Hide Axis, Borders and White Spaces in Matplotlib
52. Linestyles in Matplotlib Python
53. Set Color for Scatterplot in Matplotlib
54. Set X Axis Values in Matplotlib
55. Plot Histogram for List of Data in Matplotlib
56. Differences Between cla(), clf() and close() Methods in Matplotlib
57. Display an Image in Grayscale in Matplotlib
58. Display an Image With Matplotlib Python
59. Fill Between Multiple Lines in Matplotlib
60. Make the Legend of the Scatter Plot in Matplotlib
61. Plot a Table in Matplotlib
62. Save Figures Identical to the Displayed Figures in Matplotlib
63. Specify the Legend Position in Graph Coordinates in Matplotlib

Python Pandas Howtos

1. Check if NaN Exisits in Pandas DataFrame
2. Extract Month and Year Separately From Datetime Column in Pandas
3. Filter DataFrame Rows Based on the Date in Pandas
4. Randomly Shuffle DataFrame Rows in Pandas
5. Add a New Column to Existing DataFrame With Default Value in Pandas
6. Filter Dataframe Rows Based on Column Values in Pandas
7. Create an Empty Column in Pandas DataFrame
8. Create DataFrame Column Based on Given Condition in Pandas
9. Iterate Through Rows of a DataFrame in Pandas
10. Get Index of All Rows Whose Particular Column Satisfies Given Condition in Pandas
11. Get First Row of Given Column Dataframe Pandas
12. Difference Between Pandas apply, map and applymap
13. Pandas loc vs iloc
14. Pandas Convert String to Numeric Type
15. Pandas fillna Column
16. Compare Pandas DataFrame Object
17. Convert NumPy Array to Pandas DataFrame
18. Filter Pandas DataFrame With Multiple Conditions
19. Get and Set Pandas DataFrame Index Name
20. Get Dummies in Pandas
21. Get the First Row of Dataframe Pandas
22. Load JSON File in Pandas
23. Pandas Axis Meaning
24. Pandas Convert Column Values to String
25. Pandas Copy DataFrame
26. Pandas Correlation Matrix
27. Pandas Count Unique Values
28. Pandas Create Column Based on Other Columns
29. Pandas DataFrame Remove Index
30. Pandas DataFrame Reset Index
31. Pandas Drop Duplicate Rows
32. Pandas Drop Rows
33. Pandas Drop Rows With NaN
34. Pandas Exclude Column
35. Pandas Groupby Count
36. Pandas Groupby Two Columns
37. Pandas Insert Method
38. Pandas Map Python
39. Select Pandas DataFrame Columns
40. Specify Suffix in Pandas join() Method
41. Split Pandas DataFrame
42. Write a Pandas DataFrame to CSV
43. Pandas Merge on Multiple Columns

Python Scipy Functions

1. SciPy scipy.stats.linregress Method
2. SciPy scipy.stats.multivariate_normal
3. Scipy scipy.optimize.curve_fit Method
4. SciPy scipy.interpolate.interp1d Function

Python Pandas Functions

1. Pandas concat Function
2. Pandas cut Function
3. Pandas DataFrame sort_index() Function
4. Pandas DataFrame DataFrame.drop_duplicates() Function
5. Pandas DataFrame DataFrame.interpolate() Function
6. Pandas DataFrame DataFrame.plot.scatter() Function
7. Pandas DataFrame DataFrame.sum() Function
8. Pandas read_csv() Function
9. Pandas DataFrame DataFrame.boxplot() Function
10. Pandas DataFrame DataFrame.replace() Function
11. Pandas DataFrame DataFrame.merge() Function
12. Pandas DataFrame DataFrame.assign() Function
13. Pandas DataFrame DataFrame.mean() Function
14. Pandas Series Series.unique() Function
15. Pandas DataFrame DataFrame.fillna() Function
16. Pandas Series Series.value_counts() Function
17. Pandas DataFrame DataFrame.apply() Function
18. Pandas DataFrame DataFrame.shift() Function
19. Pandas DataFrame DataFrame.query() Function
20. Pandas DataFrame DataFrame.sort_values() Function
21. Pandas DataFrame DataFrame.set_index() Function
22. Pandas DataFrame DataFrame.groupby() Function
23. Pandas DataFrame DataFrame.append() Function

Linux Howtos

1. Change User Password in Linux
2. Delete a User Account in Linux
3. Install Plex Media Server on Ubuntu
4. Start, Stop and Restart Apache Web Server in Linux
5. Install Sublime Text Editor on Ubuntu 18.04
6. Install the pip Package Manager on Ubuntu
7. Change File Permissions in Linux
8. Use While Loop in Bash
9. Delete Files and Directories in Linux Terminal
10. Install RPM Pacakges on CentOS
11. Use the sleep Command in Bash
12. Perform Copy, Cut and Paste Operations in Vim and Vi
13. Read a File Line by Line Using Bash
14. Shutdown a Linux Machine Using Terminal
15. Use wget Command in Linux
16. Use the gzip Command in Linux
17. Create a File Using the Terminal in Linux
18. Add Super Users in CentOS
19. Use Functions in Bash
20. Install VMware Tools in Ubuntu 18.04
21. Perform Undo and Redo Operations in Vim and Vi
22. Rename Files and Directories Using Linux Terminal
23. View All the Installed Packages on Ubuntu
24. Use if...else Statement in Bash
25. Compare Strings in Bash
26. Securely Transfer Files and Directories Using SCP
27. Enable Line Numbers in Vim/Vi
28. Check the Version of Ubuntu
29. Move Files and Directories in Linux Using Mv Command
30. Copy Files and Directories Using Linux Terminal
31. Add Sudo Users in Ubuntu
32. Save Files in Vim Before Quitting the Vim Editor
33. Perform Increment and Decrement Operation in Bash
34. Install GCC Compiler on Ubuntu 18.04
35. Add Comments in Bash Scripts
36. Make New Directories in Linux
37. Extract Bzip2 Files Using Terminal
38. Append Text to a File Using Bash
39. Concatenate Strings in Bash

Python Numpy Functions

1. NumPy numpy.meshgrid Function
2. NumPy numpy.random.rand() Function
3. NumPy numpy.median Function
4. NumPy numpy.dot Function
5. NumPy numpy.loadtxt() Function
6. Python Numpy transpose() Function
7. Python numpy.unique() Function
8. Python numpy.argmax()

Git Howtos

1. Remove a Git Remote URL