If you’ve deactivated and reactivated the Disqus WordPress plugin but it’s still using the old forum ID and configuration, you need to clear the stored settings from your database. This is the most reliable way to force the plugin to re-initialize and prompt you for fresh configuration. Why This Happens WordPress stores plugin configuration in…
When you need to populate PDF forms with large datasets, manual entry becomes impractical. Scripting this process saves time and eliminates human error. Here’s how to automate PDF form filling using Python. Understanding PDF Form Filling PDF forms contain field names that can be programmatically populated. The process typically involves: Identifying field names in your…
Broken links damage SEO, hurt user experience, and undermine site credibility. Checking for them should be part of your regular maintenance routine. Here’s what’s available in 2026. Online Tools W3C Link Checker (http://validator.w3.org/checklink) remains a solid option for checking individual pages. Point it at a URL and it crawls the page’s links, reporting broken ones…
SSH is essential for serious shared hosting management — it beats FTP by a mile and gives you real shell access for development, deployment, and automation. Most reputable shared hosting providers support SSH, though availability and implementation vary. Major Providers with SSH Support DreamHost DreamHost has long supported SSH on shared hosting. You’ll need to…
Installing WordPress in a subdirectory keeps your site root cleaner and makes it easier to manage core files separately from content. Here’s how to configure WordPress so the admin and core files live in /wordpress while the site appears at your domain root. Creating the Subdirectory Structure First, create the WordPress directory and set proper…
PuTTY stores all SSH session configurations in the Windows registry under HKEY_CURRENT_USER\Software\SimonTatham\PuTTY. This includes hostnames, connection settings, terminal preferences, and authentication keys. Exporting PuTTY settings To back up or migrate your PuTTY profiles to another machine: Open Registry Editor by pressing Win+R and typing regedit Navigate to HKEY_CURRENT_USER\Software\SimonTatham Right-click the SimonTatham folder and select Export…
MySQL replication lets you maintain synchronized copies of your database across multiple servers. This is essential for high availability, read scaling, and backups. Here’s how to configure it properly. Prerequisites You need at least two MySQL instances: a primary (source) and one or more replicas. Both should run the same or compatible MySQL versions. MySQL…
If you’re trying to add a domain to a Dreamhost account and get the error “You can’t add that domain: already in our system,” the domain is already configured for DNS hosting in another Dreamhost account. You need to remove the DNS hosting from the original account before you can host it elsewhere. This process…
Attachments in WordPress are tied to specific posts through a parent-child relationship stored in the database. This matters more than you’d think — attachment metadata, URLs, and admin filtering all depend on that parent assignment. Sometimes you need to reassign an image or document to a different post, whether because of organizational restructuring, post merging,…
When you install Core via opam, the interface files (.mli) are stored in your OPAM switch directory. The exact path depends on your OCaml version and OPAM setup. Standard Location The .mli files for Core are located at: ~/.opam/$(OCAML_VERSION)/lib/core/ where $(OCAML_VERSION) is your installed OCaml version. For example, with OCaml 5.2: ~/.opam/5.2.0/lib/core/ Individual modules follow…
Sending sensitive information via email requires careful consideration. Whether you’re sharing financial details, credentials, or confidential documents, there’s no single “secure email” solution that eliminates all risk — you need to match the method to your threat model. Understand the Risk Standard email transmits in plaintext across multiple servers. Even with TLS in transit, your…
The Jane Street OPAM repository contains specialized OCaml packages and libraries maintained by Jane Street, including their popular Core library and related tools. You’ll need to add this repository to your OPAM configuration to access these packages. Method 1: Clone and Add Locally If you prefer to clone the repository first and add it as…
The OCaml compiler only finds the standard library (List, Array, etc.) by default. Third-party libraries require you to explicitly tell the compiler where to find them. Using ocamlfind The standard approach is ocamlfind, a package manager that tracks installed libraries and their locations. It’s part of the OPAM ecosystem and should already be installed if…
To show excerpts instead of full post content on the homepage, category, tag, and author pages in WordPress Twenty Thirteen, you need to modify the theme’s template conditionals and add a custom excerpt filter. Edit content.php Open wp-content/themes/twentythirteen/content.php and locate the conditional that currently checks only for search results: <?php if ( is_search() ) :…
Redis is an in-memory data structure store designed for speed and simplicity. Understanding its architecture and consistency guarantees is essential for deploying it correctly in production systems. Core Architecture Redis operates as a single-threaded, event-driven server that uses an in-memory data store with optional persistence. The single-threaded nature simplifies reasoning about concurrent access — all…
The maximum array length in OCaml is platform-dependent and can be queried at runtime using Sys.max_array_length: # Sys.max_array_length;; – : int = 4611686018427387903 Values by Platform 64-bit systems: # Sys.max_array_length;; – : int = 4611686018427387903 32-bit systems: # Sys.max_array_length;; – : int = 1073741823 Note that 32-bit OCaml support has been deprecated in recent versions….
Vim’s regex engine is powerful but requires understanding its syntax rules, which differ significantly from standard POSIX extended regex. Whether you’re doing basic substitutions or complex text transformations, knowing how Vim handles regex patterns will save you hours of frustration. Vim Regex Basics Vim supports multiple regex engines, controlled by the magic setting. By default,…
Determining the number of CPU cores available on a Linux system is essential for performance tuning, application configuration, and capacity planning. Several approaches exist depending on what information you need. Quick check: nproc The simplest way to get the number of CPU cores is nproc: $ nproc 8 This reports the number of logical processors…
This error occurs when Fedora’s Anaconda installer cannot properly configure the bootloader, typically when it encounters conflicts between EFI and legacy boot modes or when the partition table format doesn’t match the system firmware expectations. Root Cause The error “you have not created a bootloader stage1 target device” usually indicates one of these issues: UEFI…
To check which storage engine a table uses, query the information_schema database: SELECT ENGINE FROM information_schema.TABLES WHERE TABLE_SCHEMA = ‘database_name’ AND TABLE_NAME = ‘table_name’; Replace database_name and table_name with your actual values. You can also use the SHOW TABLE STATUS command for a quicker view: SHOW TABLE STATUS FROM database_name WHERE Name = ‘table_name’\G The…