Category: Uncategorized

10 AniView Tips Every Anime Fan Should Know

1. Set up your watchlist categories
   Organize shows into custom lists (Watching, Plan to Watch, Completed, Rewatching, Favorites) to keep progress and priorities clear.

2. Enable episode reminders
   Turn on notifications for new episodes or release windows so you don’t miss simulcasts and season premieres.

3. Sync watch progress across devices
   Use the account sync feature (if available) so episode counts and timestamps stay consistent between phone, tablet, and desktop.

4. Use seasonal filters
   Filter by season and year to quickly browse current-season anime and discover trending titles.

5. Rate after finishing
   Add a quick rating and short note when you finish a series—this improves future recommendations and helps you remember why you liked it.

6. Follow curated lists and users
   Subscribe to trusted curators or community lists to surface hidden gems and themed watch orders (e.g., isekai, psychological thrillers).

7. Customize discovery preferences
   Adjust genre, length, language, and content filters to tailor recommendations to your taste and viewing limits.

8. Track movies and OVAs separately
   Keep films and special episodes in distinct lists or tags so they don’t interrupt TV-series progress tracking.

9. Use tags and notes for rewatch planning
   Tag series with reasons to rewatch (favorites, important lore, reference) and add notes for ideal rewatch order or episodes to skip.

10. Export and back up your data
    Regularly export your lists and ratings (CSV/JSON) to preserve your collection and make migrating to another tracker easier if needed.

Racktube Reviews: Top Models Compared for 2026

Overview

Racktube is a modular storage system (shelving/racking/pipe-style organizers) designed for garages, workshops, and small spaces. For 2026 models, reviewers emphasize improved materials, modularity, and easier installation compared with earlier versions.

What changed for 2026

• Materials: Higher-grade alloys and rust-resistant finishes became standard on top models.
• Modularity: More compatible add-ons and interchangeable components for custom layouts.
• Tool-free assembly: Several models now offer snap-fit connectors or quick-lock mechanisms.
• Weight capacity: Reinforced frames increased per-shelf and total load ratings on premium units.
• Aesthetics: Slimmer profiles and matte finishes to better match home interiors.

Top model categories (compared)

1. Budget compact

   • Best for small spaces and light storage (seasonal items, small tools).
   • Pros: Low price, easy setup. Cons: Lower load capacity, fewer accessories.

2. All-purpose garage

   • Balanced capacity and cost for most homeowners.
   • Pros: Versatile layouts, decent weight limits. Cons: Moderate corrosion protection.

3. Heavy-duty pro

   • For workshops and commercial use; highest load ratings.
   • Pros: Reinforced beams, industrial-grade finishes. Cons: Higher cost, heavier.

4. Modular premium

   • Focus on customization and design; many add-ons (hooks, bins, pegboards).
   • Pros: Sleek look, excellent expandability. Cons: Premium price, may require planning.

5. Wall-mount / space-saving

   • Optimized for floor-space preservation; combines wall rails and foldable shelves.
   • Pros: Saves floor area, clean appearance. Cons: Requires sturdy wall anchoring.

Key specs to compare when choosing

• Load capacity (per shelf and total)
• Dimensions and modular expandability
• Material and finish (corrosion resistance)
• Assembly method and required tools
• Accessory ecosystem (hooks, bins, slatwalls)
• Warranty and customer support

Buying recommendations

• For occasional garage use: choose a budget compact or all-purpose model with 100–200 lb shelf capacity.
• For heavy tools or motors: choose heavy-duty pro with ≥500 lb per-shelf rating.
• If aesthetics and flexibility matter: choose modular premium with a wide accessory set.
• If space is limited: choose wall-mount variants and confirm wall load capacity before purchase.

Installation tips

• Anchor wall-mounted units into studs or masonry.
• For floor units, level base and use anti-tip brackets.
• Distribute weight evenly; put heavier items on lower shelves.
• Seal or touch up exposed metal to prevent rust in humid areas.

Common pros and cons (summary)

• Pros: Better organization, modularity, upgraded materials in 2026 models.
• Cons: Premium models can be costly; heavy-duty units are bulky and need solid mounting.

If you want, I can:

• provide a short comparison table of 3 specific Racktube models (assume typical specs), or

Implementing PROGEN in Research Labs: Best Practices and Tips

Overview

Implementing PROGEN in a research lab requires planning across experimental design, infrastructure, data management, personnel training, and safety/compliance. The following best practices and practical tips will help ensure robust results, reproducibility, and responsible use.

1. Define clear objectives and use cases

1. Start with a focused question: Choose specific applications—e.g., protein engineering, pathway optimization, or variant effect prediction—so workflows and evaluation metrics are aligned.
2. Set measurable outcomes: Define success criteria (accuracy, recall, validation rate) and acceptable error margins before integrating PROGEN into experiments.

2. Prepare infrastructure and compute resources

1. Assess compute needs: Estimate CPU/GPU, memory, and storage based on model size and expected batch throughput. Prototype on a small dataset to refine requirements.
2. Use containerization: Package PROGEN and dependencies with Docker or Singularity to ensure consistent environments across developer and production systems.
3. Data pipelines: Implement ETL pipelines for raw sequence/experiment data, ensuring version control and traceability.

3. Data quality and preprocessing

1. Curate training and input data: Remove low-quality or mislabeled sequences and standardize formats. Document inclusion/exclusion criteria.
2. Normalize and encode consistently: Apply consistent tokenization or feature encoding; record preprocessing steps in code and README files.
3. Augmentation and synthetic data: Use cautiously; validate synthetic examples experimentally where possible.

4. Validation and benchmarking

1. Benchmark against baselines: Compare PROGEN outputs to established methods and simple baselines to quantify improvement.
2. Cross-validation and holdouts: Use k-fold or nested cross-validation for robust performance estimates. Reserve an external test set for final evaluation.
3. Wet-lab validation plan: Prioritize candidates for experimental validation and design controls to measure true positive rates.

5. Reproducibility and versioning

1. Model and data version control: Use Git for code and DVC or similar tools for datasets and model checkpoints. Tag releases used in publications.
2. Document hyperparameters and seeds: Record training parameters, random seeds, and runtime environment (OS, libraries).
3. Automate experiments: Use workflow managers (e.g., Snakemake, Nextflow) to reproducibly run full pipelines.

6. Integration with lab workflows

1. Design modular interfaces: Expose PROGEN functionality via scripts, APIs, or notebooks so bench scientists can run standard queries without deep technical knowledge.
2. Batching and prioritization: Provide ranked candidate lists with confidence scores to guide experimental throughput decisions.
3. Feedback loops: Incorporate experimental results back into model retraining pipelines to improve performance iteratively.

7. Interpretability and uncertainty

1. Provide explanations: Use attribution methods or feature importance analyses to help users understand model predictions.
2. Report uncertainty: Include confidence intervals or calibration plots; avoid overreliance on single high-scoring predictions.
3. Human-in-the-loop: Require expert review for critical decisions and unexpected model outputs.

8. Compliance, ethics,

How LH-ABC Is Changing Industry Best Practices

Overview

LH-ABC has emerged as a transformative technology/process that streamlines workflows, improves data-driven decision making, and raises standards for efficiency and compliance across industries.

Key ways it’s changing best practices

1. Standardization of workflows: LH-ABC provides a clear, repeatable framework that reduces variability and accelerates onboarding.
2. Data-driven optimization: Built-in analytics enable continuous performance monitoring and A/B-style comparisons to identify improvements.
3. Automation of routine tasks: Automating repetitive steps frees professionals to focus on higher-value work and reduces human error.
4. Improved compliance and traceability: Detailed logging and versioning make audits simpler and strengthen regulatory adherence.
5. Cross-team collaboration: Unified interfaces and shared data models break down silos between engineering, product, and operations.
6. Scalable implementation patterns: Modular components let organizations pilot LH-ABC in one area then scale with minimal rework.
7. Faster iteration cycles: Reduced setup and feedback latency enable more frequent, safer experiments and deployments.

Practical impacts by function

• Engineering: Reduced deployment friction, clearer rollbacks, and more reproducible builds.
• Product: Better hypothesis testing and prioritized roadmaps informed by operational metrics.
• Operations: Fewer manual interventions and shorter incident response times.
• Compliance/Risk: Easier evidence collection and automated policy enforcement.

Implementation recommendations

1. Start small: Pilot LH-ABC on a single team or workflow to measure impact.
2. Instrument aggressively: Add telemetry to capture baseline metrics and track gains.
3. Train cross-functionally: Run workshops so teams adopt shared practices and terminology.
4. Enforce standards with automation: Codify checks and validation into pipelines.
5. Iterate governance: Use feedback loops to refine controls without blocking momentum.

Risks and mitigations

• Overstandardization: Preserve room for expert judgment by allowing configurable exceptions.
• Tooling lock-in: Prefer modular adoption and open interfaces to avoid vendor dependence.
• Cultural resistance: Pair technical changes with leadership sponsorship and clear incentives.

Bottom line

LH-ABC shifts best practices toward standardized, observable, and automatable processes that increase speed, reliability, and compliance—when adopted incrementally with attention to governance and culture.

Advanced Chrome Performance Tuning: Speed, Memory, and Stability

Overview

This guide covers practical, high-impact techniques to make Chrome faster, use less memory, and run more stably—aimed at power users, developers, and admins.

Speed: make pages load and feel faster

• Update Chrome: Always run the latest stable release for performance fixes and optimizations.
• Enable hardware acceleration: Settings → System → “Use hardware acceleration when available.” Useful for GPU-accelerated rendering.
• Reduce tab/process overhead: Close unused tabs; use tab groups or bookmarking to offload long-term tabs.
• Use tab discarding/sleeping: Built-in “Tab Freeze”/“Discard” features (chrome://discards or chrome://flags for experimental controls) reduce background CPU usage.
• Preload/Prerender management: Settings → Privacy & security → “Preload pages for faster browsing and searching” — enable for speed, disable to save bandwidth/CPU.
• DNS and network tweaks: Use DNS over HTTPS (Settings → Security) for faster, more reliable name resolution; consider a low-latency DNS provider.
• Limit extensions: Disable or remove unnecessary extensions—each adds startup and runtime cost.
• Experimental flags for perf: Carefully test flags in chrome://flags (e.g., back/forward cache, zero-copy rasterization) — can yield gains but may affect stability.

Memory: reduce Chrome’s RAM footprint

• Site isolation awareness: Chrome uses separate processes for security; reducing open sites/tabs cuts memory usage.
• Use tab discarding/sleeping: Free memory by letting Chrome discard or freeze background tabs.
• Profile and remove heavy extensions: Use Task Manager (Shift+Esc) to find extensions or tabs consuming most memory; remove or replace offenders.
• Enable tab throttling: Chrome throttles background timers—ensure it’s enabled to reduce idle RAM/CPU.
• Use Lite mode alternatives: For constrained devices, use mobile Lite mode or limit content-heavy sites (ad/script blockers).
• Control site data: Clear site storage for high-usage sites (Settings → Privacy and security → Site Settings → View permissions and data stored across sites).

Stability: avoid crashes and hangs

• Keep Chrome and OS updated: Stability improvements and bug fixes arrive frequently.
• Isolate problematic extensions: Disable all extensions and re-enable one-by-one to find crashes caused by extensions.
• Check for conflicting software: On some systems, third-party software (antivirus, GPU drivers) conflicts—chrome://conflicts or System settings can help identify issues.
• Use Chrome Cleanup Tools: On supported platforms, use built-in tools or OS-level malware checks to remove software causing instability.
• Reset profile or create a new profile: Corrupt user profiles cause repeated crashes—test with a fresh profile to confirm.
• Use crash logs and diagnostics: chrome://crashes and chrome://gpu (for GPU issues) help diagnose recurring problems.

Developer-focused tuning

• DevTools performance audits: Use Lighthouse and Performance panel to identify slow scripts, rendering jank, and memory leaks.
• Enable back/forward cache: Improves perceived navigation speed—test for compatibility.
• Profile memory usage: Memory panel in DevTools helps identify detached DOM nodes, listeners, and JS memory leaks.
• Optimize web apps: Use service workers, resource caching, and lazy-loading to reduce pages’ runtime cost.

Practical step-by-step quick checklist

1. Update Chrome and system GPU drivers.
2. Open Chrome Task Manager (Shift+Esc); kill top CPU/memory consumers.
3. Disable/remove unused extensions.
4. Enable hardware acceleration and preload as desired.
5. Enable tab discarding/sleeping; consider extensions for advanced tab management.
6. Run DevTools Lighthouse on slow sites; fix long tasks and heavy scripts.
7. If crashes persist, test with a fresh profile and check chrome://conflicts.

When to roll back experimental changes

• If sites break, or stability degrades after enabling chrome://flags options, revert the flag and restart Chrome.
• Keep a note of changes so you can revert easily.

If you want, I can produce:

• a one-page, copy-ready checklist tailored to Windows/macOS/Linux, or
• a short script/command list for automating Chrome profile cleanup. Which would you prefer?

CRW Photo Fixer: Restore Canon RAW Files in Minutes

Losing access to Canon RAW (.CRW) files — whether due to corruption, transfer errors, or software mismatches — can feel catastrophic. CRW Photo Fixer is designed to quickly recover and restore these RAW images so you can salvage high-quality originals without a lengthy technical process. This article explains what the tool does, how it works, and step-by-step instructions to restore CRW files in minutes.

What CRW Photo Fixer does

• Repairs corrupted CRW files caused by interrupted transfers, bad sectors on storage media, or software crashes.
• Recovers image data to usable DNG, TIFF, or JPG formats while preserving maximum image detail.
• Restores metadata (EXIF, capture settings) where possible so recovered files retain camera information.
• Batch processing for multiple files to save time when dealing with many damaged shots.

When to use it

• Files show errors or won’t open in RAW editors (Lightroom, Capture One).
• Thumbnails are missing but file sizes look correct.
• Files become unreadable after a memory card issue or interrupted import.
• You need a fast attempt at recovery before sending media to a specialist.

How the recovery works (brief)

CRW Photo Fixer scans the file structure for valid image blocks, reconstructs header information, and extracts usable image data. If direct RAW recovery isn’t possible, it can convert salvageable portions into a lossless TIFF or high-quality JPEG so you keep as much detail as possible.

Step-by-step: Restore CRW files in minutes

1. Install and launch CRW Photo Fixer on your computer (Windows or macOS).
2. Connect the storage device (memory card or external drive) or copy the damaged CRW files into a local folder.
3. Add files: Use the app’s Add/Drag-and-drop area to select individual CRW files or a whole folder.
4. Select output format: Choose RAW (repaired CRW), DNG (universal RAW), TIFF (lossless), or JPEG (fast, smaller).
5. Set options: Enable “Preserve EXIF” if you want metadata retained; turn on “Batch mode” for multiple files.
6. Start recovery: Click Recover/Repair. The software scans and attempts reconstruction — progress and per-file status will display.
7. Review results: Open recovered files in your RAW editor or image viewer. Use the preview inside CRW Photo Fixer if available.
8. If partial recovery occurred, export recovered portions to TIFF/DNG and run additional RAW editors for color and exposure adjustments.

Tips for better recovery rates

• Stop using the memory card immediately to avoid overwriting recoverable data.
• Work from a copy of the damaged files, not the originals.
• Try multiple output formats — sometimes DNG preserves more usable data than attempting to rebuild the proprietary CRW header.
• If one tool fails, try re-running with different settings or use another reputable RAW-recovery utility as a fallback.

Limitations and expectations

• Not all corrupted files are recoverable — severe physical damage or overwritten sectors may be unrecoverable.
• Recovered images might need additional color/exposure correction since header metadata can be partially lost.
• Results vary by camera model and how the corruption occurred.

Alternatives and when to seek specialist help

• Try general-purpose RAW recovery tools or photo-recovery suites if CRW Photo Fixer fails.
• If files are from a physically damaged card or drive, consult a professional data-recovery service to avoid further data loss.

Conclusion

CRW Photo Fixer offers a fast, user-friendly way to attempt recovery of Canon RAW files so photographers can restore valuable original captures with minimal fuss. While not guaranteed for every case, it’s an efficient first step that often recovers usable RAW data in minutes — giving you the best chance to preserve image quality before trying more advanced recovery methods.

USB Defender: The Ultimate Guide to Protecting Your Data

What is a USB Defender?

A USB Defender is a combination of tools and practices designed to prevent malware infection, data theft, and unauthorized access via USB removable storage devices (flash drives, external SSDs/HDDs, and USB peripherals). It can be a dedicated piece of hardware (USB data blocker), software that scans and isolates devices, or a policy-driven workflow for handling USB devices in personal and organizational environments.

Why USB protection matters

• High-risk attack vector: USB devices can carry malware that executes automatically when plugged in, spread laterally across networks, or harvest data.
• Physical access vulnerability: Loss or theft of a USB drive with unencrypted data leads to immediate exposure.
• Human error: Users often plug unknown drives found in public places or accept USBs from untrusted sources.

Types of USB Defender solutions

• Hardware blockers: Simple adapters that block data pins and allow only power (useful for charging stations).
• USB condoms/data blockers: Prevent data exchange while permitting charging to avoid malicious charging stations.
• Read-only adapters: Convert a USB drive to read-only to prevent execution and modification.
• Endpoint security software: Automatically scans USB devices on insertion, quarantines suspicious files, and enforces encryption policies.
• Virtualization/sandboxing tools: Mount USB content inside isolated environments so malware can’t reach the host.
• Policy & workflow controls: Organizational rules (e.g., managed devices only, inventory, logging) that reduce risk.

How USB attacks work (simple overview)

1. Malware is placed on a USB drive (malicious executable, autorun scripts, or weaponized documents).
2. User plugs the drive into a computer.
3. Autorun/auto-open features or user action executes the malware.
4. Malware installs, exfiltrates data, or spreads to other connected drives and network shares.

Practical steps to protect your data (personal and small business)

1. Disable autorun/auto-play.
2. Use endpoint scanning: Configure your antivirus to automatically scan removable media on insertion.
3. Restrict USB use: Allow only known, registered devices and block mass storage class devices if not needed.
4. Encrypt sensitive data: Use full-disk or file-level encryption (e.g., VeraCrypt, BitLocker, FileVault).
5. Use hardware data blockers when charging in public places.
6. Adopt read-only mode for unknown or legacy drives.
7. Keep systems patched: Apply OS and firmware updates to close vulnerabilities exploited by USB malware.
8. Educate users: Train people to not plug unknown USB devices and to report lost drives immediately.
9. Implement two-person controls for high-risk operations: Require a second approval before plugging unvetted drives into critical systems.
10. Log and monitor USB events: Use endpoint detection tools that record USB insertions and file transfers.

For organizations: policies and tools to implement

• Device whitelisting: Only allow approved USB device IDs.
• Data loss prevention (DLP): Block or monitor sensitive file transfers to removable media.
• Managed encryption keys: Enforce encrypted volumes and centrally manage keys.
• Sandboxed handling stations: Create isolated machines with no network access for scanning unknown USB drives.
• Regular audits: Track USB asset inventory and audit access logs.
• Incident response plan: Define steps to take when a compromised USB is detected.

Recommended tools and configurations

• Ant

• Understanding the LEAD MPEG-4 Video Codec Standard: Key Features Explained
• LEAD MPEG-4 Video Codec Standard: Implementation Guide for Developers
• Comparing LEAD MPEG-4 Video Codec Standard with Modern Codecs
• Optimizing Video Quality with the LEAD MPEG-4 Video Codec Standard
• History and Evolution of the LEAD MPEG-4 Video Codec Standard

How DeepSea Obfuscator Shields Your Software from Reverse Engineering

Overview

DeepSea Obfuscator is a code-protection tool that makes compiled software much harder for attackers to analyze and reverse-engineer. It transforms readable application logic into forms that preserve functionality but are difficult to interpret, debug, or modify.

Core Techniques

• Identifier renaming: Replaces meaningful class, method, and variable names with short, meaningless tokens so decompiled code offers no semantic clues.
• Control-flow obfuscation: Rewrites program control structures (loops, conditionals) into complex or opaque forms that are functionally equivalent but hard to follow.
• String encryption: Encrypts or encodes literal strings (error messages, API keys, SQL) and decrypts them only at runtime to prevent static extraction.
• Opaque predicates: Inserts conditions whose outcomes are known at compile time but difficult for static analyzers to determine, confusing symbolic analysis and automated decompilers.
• Method inlining and splitting: Merges small methods or splits large ones to break logical boundaries analysts expect, complicating call graphs.
• Anti-debugging / anti-tampering: Adds runtime checks that detect debuggers, emulators, or modifications and can alter behavior or shut down execution.
• Control-flow flattening: Converts structured control flow into a dispatcher-based model, making the original execution paths non-obvious.
• Native code wrappers: Moves sensitive logic into native libraries (C/C++) where decompilation is harder than managed code.

How These Defend Against Common Attacks

• Static analysis: Renaming, string encryption, and control-flow obfuscation remove the useful signals that decompilers and humans rely on to understand code.
• Dynamic analysis: Anti-debugging and runtime checks raise the bar for interactive debugging and automated dynamic tracing.
• Automated tooling: Opaque predicates and flattened control flow reduce the effectiveness of deobfuscation tools and heuristics.
• Binary patching: Tamper-detection and integrity checks make silent binary modification risky or self-defeating.

Trade-offs & Limitations

• Performance impact: Heavy obfuscation can increase binary size and CPU overhead; tuning is needed for performance-sensitive apps.
• False positives in runtime checks: Aggressive anti-debugging may interfere with legitimate tooling (profilers, instrumentation).
• Not foolproof: Given enough time and skilled analysts, obfuscated code can still be reverse-engineered; obfuscation raises cost and time required rather than providing absolute protection.
• Compatibility issues: Some obfuscation transforms may break reflection-based frameworks or dynamic loading unless properly configured.

Best Practices for Using DeepSea Obfuscator

1. Protect only sensitive parts: Focus on critical algorithms, licensing checks, and proprietary formats to minimize performance impact.
2. Test thoroughly: Run unit, integration, and runtime diagnostics under obfuscation settings to catch reflection or serialization breakage.
3. Combine defenses: Use obfuscation alongside code signing, tamper detection, runtime integrity checks, and server-side verification for stronger security.
4. Keep a build pipeline: Automate obfuscation in CI with clear versioning and reproducible settings to avoid accidental leaks.
5. Monitor and update: Track attacker techniques and update obfuscation rules and anti-tamper logic periodically.

Conclusion

DeepSea Obfuscator increases the effort required to reverse-engineer software by applying multiple complementary transforms—structural, lexical, and runtime—that obscure intent and operation. It should be part of a layered defense strategy: it doesn’t make code unbreakable, but it significantly raises the barrier for attackers.

DbLinq: A Beginner’s Guide to Fast .NET Data Access

What is DbLinq?

DbLinq is a lightweight LINQ-to-SQL provider for .NET that maps database tables to strongly typed classes, letting you write queries in C# (or VB.NET) using LINQ syntax. It aims to be fast, minimal, and easy to integrate into existing projects that need simple, direct access to relational data without the overhead of a full ORM.

Why choose DbLinq?

• Performance: Minimal abstraction means fewer runtime costs compared with heavier ORMs.
• Simplicity: Straightforward mapping and query patterns reduce cognitive overhead.
• Control: You work with SQL-like queries via LINQ while retaining closer control over generated SQL.
• Lightweight footprint: Ideal for small-to-medium projects or performance-critical paths.

Getting started — setup

1. Create or open a .NET project (recommended: .NET 6+).
2. Add the DbLinq package (or the project source) to your solution. If a NuGet package exists for your target framework, install it:

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   dotnet add package DbLinq 

3. Add a connection string to appsettings.json or your configuration source4. Create a data context class that inherits DbLinq’s base context (example names may vary by package):

csharp
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public class AppDataContext : DbLinq.Data.DataContext
{
public AppDataContext(string connectionString) : base(connectionString) { }

    public DbLinq.Mapping.Table<User> Users => GetTable<User>();
    public DbLinq.Mapping.Table<Order> Orders => GetTable<Order>();
}

Define entity mappings

Annotate POCOs or use mapping attributes (API names depend on the DbLinq version). Example with attributes:

csharp
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[Table(Name = “Users”)]
public class User
{
    [Column(IsPrimaryKey = true, IsDbGenerated = true)]
    public int Id { get; set; }

    [Column(Name = “Username”)]
    public string Username { get; set; }

    [Column(Name = “Email”)]
    public string Email { get; set; }
}

If attribute-based mapping isn’t used, DbLinq typically supports fluent mapping or external mapping files—check the package docs.

Basic operations

1. Initialize context:

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var ctx = new AppDataContext(connectionString);

2. Read (LINQ query):

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var admins = ctx.Users                 .Where(u => u.Username.StartsWith(“admin”))
                .OrderBy(u => u.Username)
                .ToList();

3. Insert:

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var user = new User { Username = “jdoe”, Email = “[email protected]” };
ctx.Users.InsertOnSubmit(user);
ctx.SubmitChanges();

4. Update:

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var u = ctx.Users.First(x => x.Id == 42);
u.Email = “[email protected]”;
ctx.SubmitChanges();

5. Delete:

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var toDelete = ctx.Users.First(x => x.Id == 99);
ctx.Users.DeleteOnSubmit(toDelete);
ctx.SubmitChanges();

Transactions and batching