John Wachira

2. Author
3. John Wachira

Batch Howtos

1. Batch Check for Empty Variables
2. Batch File Remove X Characters of a File Name
3. Batch File to Loop Through Files in Subdirectories
4. Check if a Specified Environmental Variable Contains a Substring
5. Create a Shortcut for a Batch File
6. Get the Current Batch File Directory
7. Stop a Running Process From a Batch File

PowerShell Howtos

1. Copy and Paste From a Variable in PowerShell
2. Create an Empty Array of Arrays in PowerShell
3. Display Current Time Zone in PowerShell
4. Find a Specific File by Name Using PowerShell
5. PowerShell Extract a Column From a CSV File and Store It in a Variable
6. PowerShell Loop Through Files and Folders
7. Write Comment-Based Help for PowerShell Scripts
8. Check if a File Contains a Specific String Using PowerShell
9. Extract a PowerShell Substring From a String
10. Get a List of Processes Similar to the Task Manager in PowerShell
11. Get Exit Code From Start-Process in PowerShell
12. Import Text File and Format and Export It to CSV in PowerShell
13. Split Large File in PowerShell
14. Use the Get-Clipboard Output in PowerShell

Git Howtos

1. Difference Between Forking and Branching on GitHub
2. Difference Between Forking and Cloning on GitHub
3. Fetch All Branches in Git
4. Git Add and Git Commit in One Command
5. Git Pull Origin Branch Overwrites Master Branch
6. Show Diff Details for Uncommitted Changes in Git
7. View Merged and Unmerged Branches in Git
8. Add Files to a Git Repository
9. Difference Between Git Merge Origin/Master and Git Pull
10. Difference Between Git Pull and Git Pull Origin Master
11. Download a Specific Tag With Git
12. Fix: Git Is Not Recognized as an Internal or External Command Error
13. git add, git commit, and git push in One Command
14. Move Existing Uncommitted Changes to a New Branch in Git
15. Tag an Older Commit in Git
16. The Meaning of Fetch_Head in Git
17. Undo a Git Pull
18. Checkout a Remote Git Branch
19. Commit and Push a Single File to the Remote
20. Commit Current Changes to a Different Branch in Git
21. Difference Between Git Checkout and Git Clone
22. Difference Between Git Merge Master and Git Merge Origin/Master
23. Difference Between Git Push Origin and Git Push Origin Master
24. Exit the Commit Message Editor
25. Git Cherry-Pick vs Merge Workflow
26. Ignore Everything Except Some Files in Git
27. Revert a Git Repository to a Previous Commit
28. Add All Files for Commit Except One File
29. Clone a Git Repository With a Specific Revision
30. Delete Master Branch in Git
31. Difference Between the Git Reset, Revert, and Checkout Commands
32. Different Ways to Commit Untracked Files in Git
33. Make an Initial Push to a Remote Repository With Git
34. Make the Development Branch Identical to the Master Branch
35. Pull a Specific Folder in Git
36. Push a Specific Commit to a Remote Repository
37. Check Username and Email Configuration in Git
38. Create an Empty Branch on GitHub
39. Delete a Commit but Preserve Changes in Git
40. Move Git Branch Pointer to Different Commit
41. Pull and Update One File in Git
42. Revert an Amended Commit in Git
43. Various Methods Used to Remove Local Git Changes
44. Add a .gitignore File to an Existing Repository
45. Get the Name of a Git Repository
46. Identify the Recent Common Ancestor for Two Branches in Git
47. Ignore Local File Changes in Git
48. Modify a Specific Commit in Git
49. Restore a Reverted Git Commit
50. Revert a Git Merge With Conflicts
51. Rollback to an Old Commit in a Public Git Repository
52. Resolve Git Status Unmerged Paths
53. Clean the Local Working Directory in Git
54. Commit Some Files in a Branch and Make Them Available in Another
55. Link to an Existing GitHub Repository
56. Make a Folder a Git Repo and Push to Remote
57. Merge the Development Branch Into Master
58. Rebase to a Specific Commit in Git
59. Update a Git Clone
60. Check Upstream Tracking Git Branches
61. Configure Git Credentials to Recall Password and Username
62. Copy Changes From One Branch to Another in Git
63. Create a Master Branch in a Bare Git Repository
64. Display Filenames Changed in All Commits
65. Git Rebase Origin/Branch vs. Git Rebase Origin Branch
66. Git Search Commit Messages Using Command Line
67. Create a Remote Repository From a Local Repository in Git
68. Git Pull Not Pulling Everything
69. Create a Branch From a Tag in Git
70. Create a Git Patch From Uncommitted Changes
71. Fork a Repo in GitHub
72. List Commits Not Pushed to the Remote Repository in Git
73. Open a File on Git Bash
74. Show Conflicted Files in Git
75. Squash Commits That Are Already Pushed in Git
76. Stage Deleted Files in Git
77. Stop Tracking a Remote Branch in Git
78. Synchronize a Local Repository With a Remote Repository in Git
79. Undo the Git add Command
80. Add a File to the Last Commit in Git
81. Add All Files in a Folder to Commit in Git
82. Diff a File to an Arbitrary Version in Git
83. Difference Between Git Checkout --Track Origin/Branch and Git Checkout -B Branch Origin/Branch
84. Difference Between Git RM --Cached and Git Reset File
85. Filter the Commit History in Git
86. Find a Deleted File in a Project's Commit History in Git
87. Finish a Merge After Resolving Conflicts in Git
88. Manage Version Number in Git
89. Resolve Git Stash Conflicts Without Commit
90. Bower: ENOGIT Git Is Not Installed or Not in the PATH
91. Configure Git to Ignore File Mode Changes
92. Fatal: Origin Does Not Appear to Be a Git Repository Error in Git
93. Fatal: The Current Branch Master Has No Upstream Branch Error in Git
94. Fix Another Git Process Seems to Be Running in This Repository Error
95. Solve Permission Denied (Publickey) Error in Git
96. Configure Git Bash With Visual Studio Code
97. Create Groups and Move Projects in GitLab
98. Fatal: Refusing to Merge Unrelated Histories Error in Git
99. Fatal: The Remote End Hung Up Unexpectedly Error in Git
100. Use Git Rebase on the Command Line
101. Search for Specific String in the Git Commit History
102. Selectively Merge Changes From Different Branches in Git
103. Understand the Git Commit Signoff Feature
104. Configure a Proxy to Work With Git
105. Git HEAD^ vs Git HEAD~ vs Git HEAD{@}
106. Git Stash vs Shelve in IntelliJ IDEA
107. List Git Submodules
108. Set Up Meld as Difftool and Mergetool for Git
109. Set Up SourceGear DiffMerge Tool for Git
110. Clone a Single Remote Branch in Git
111. Export a Git Project
112. Move an Existing Tag in Git
113. Rename a Git Repository
114. Revert a Git Repository by Commit ID
115. Merge Files Without Auto Commit in Git
116. Undo the Last Commit in a Remote Git Repository
117. Clean Up Git Repositories With the Git Prune Command
118. Color the Git Console
119. Git Push --force-with-lease vs Git Push --force
120. Show Staged and Unstaged Changes in Git
121. The Git Index.Lock File
122. Undo Local Changes to a Single File in Git
123. Compare Files, Commits, and Branches in Git
124. Merge a Specific Commit in Git
125. Push and Track a New Local Git Branch to a Remote Repository
126. Undo the Last Git Commit in a Local Repository
127. Update a Repository by Setting Up a Remote
128. Close the Git Commit Editor on Windows
129. Force Git Push to Overwrite Files in Remote Repository
130. Ignore Local Changes When Pulling From Remote Repository
131. Ignore Untracked Files in Git
132. Rename Files and Directories in a Git Repository
133. Revert Git Repository to a Previous Commit
134. Understand the Git Conflict Markers
135. Use Git Diff to Ignore Whitespaces in Git
136. Add Files in Git
137. Clone Into a Non-Empty Git Directory
138. Overwrite Local Changes in Git
139. Troubleshoot Git Patch Error
140. Use Patch Files in Git
141. Delete Local Commits in Git
142. Difference Between Git Fetch and Git Pull
143. Apply Stashes in Git
144. Copy and Paste in Git Bash
145. Git Pull Not Updating Files
146. Merge Local Branches in Git
147. Pull the Latest Git Submodule
148. Save Username and Password in Git
149. The .git Directory Explained
150. Visualize Git Repository
151. Create and Use Branches on Git
152. Rebase Git Branch
153. The Difference Between Git Pull and Git Clone
154. Undo Changes in Git
155. Commit Changes to a Git Branch
156. Undo Git Stash

PHP Howtos

1. Convert a PDF Document to a Preview Image in PHP
2. Download PDF Files in HTML With PHP
3. Magic Quotes in PHP
4. Minify HTML Output of the PHP Page
5. PHP Conditional Statements
6. Set Up PHP-FPM and Nginx Docker Containers
7. The PHP shell_exec() and exec() Functions
8. Create a PHP Dropdown List
9. Create a Zip File in PHP
10. PHP Error Handlers
11. Push Items to Associative Array in PHP
12. Store Div Id in a PHP Variable and Pass It to JavaScript
13. isset() vs. empty() Functions in PHP
14. Autoload Classes in PHP
15. die() and exit() Functions in PHP
16. Insert Form Data Using MySQL Table in PHP
17. PHP UPDATE Query in a MySQL Table
18. array_map and array_walk Functions in PHP
19. Constructor in PHP
20. String Compare Using == Operator and STRCMP Function in PHP
21. Select Count Function From a MySQL Table in PHP
22. Format a Number to a Dollar Amount in PHP