it2.fun - Dev tips, tricks and insights

[it2.fun - Dev tips, tricks and insights @it2fun]

Need to find code?

Use search.

Ctrl + F works especially well when what you're looking for includes text.

Follow for more advanced engineering techniques.

#DevTips #Programming #Coding

[it2.fun - Dev tips, tricks and insights @it2fun]

How to avoid an infinite loop:

Make sure the loop eventually stops.

If the condition stays true forever, the loop has no strong reason to disagree.

#DevTips #Programming #Coding

[it2.fun - Dev tips, tricks and insights @it2fun]

Need sorted SQL results?

Use ORDER BY.

ASC goes up.
DESC goes down.
Another database secret exposed.

#SQL #Database #DevTips

[it2.fun - Dev tips, tricks and insights @it2fun]

Need to know whether a collection contains an item?

Use Contains.

It returns true when the collection contains the item.

Software engineering is full of hidden knowledge like this.

#DevTips #Programming #Coding

[it2.fun - Dev tips, tricks and insights @it2fun]

Need to remove data from a database?

Use DELETE.

Common examples:

DELETE removes rows
WHERE specifies which rows
No WHERE means all rows
Transactions help protect changes
ROLLBACK helps when something goes wrong

#SQL #DevTips

[it2.fun - Dev tips, tricks and insights @it2fun]

How to Create a Background Job

#dotnet #devtips #csharp #Habgfire #QuartzNET #BackgroundService

[it2.fun - Dev tips, tricks and insights @it2fun]

𝐇𝐨𝐰 𝐭𝐨 𝐑𝐞𝐚𝐝 𝐂𝐨𝐧𝐟𝐢𝐠𝐮𝐫𝐚𝐭𝐢𝐨𝐧 𝐢𝐧 𝐀𝐒𝐏.𝐍𝐄𝐓 𝐂𝐨𝐫𝐞

Common configuration sources (sorted by priority):
- appsettings.json
- Environment variables
- User Secrets
- Azure Key Vault
- Command-line arguments

#dotnet #aspnetcore #configuration

[it2.fun - Dev tips, tricks and insights @it2fun]

How to Handle Errors in https://t.co/tFo3kFXMXQ Core

Need to return a proper response when something goes wrong?

#dotnet #charp #devtips #errorhandling #aspnetcore

[it2.fun - Dev tips, tricks and insights @it2fun]

How to Improve Code Quality

Common techniques:
- Remove unused code
- Use better names
- Reduce duplication
- Simplify logic
- Fix bugs

Code quality often improves after these changes.

What is your favorite refactoring technique?

#devtips #dotnet #charp #codequality

[it2.fun - Dev tips, tricks and insights @it2fun]

How to Execute Code Before Every Request

Need to run logic for every incoming HTTP request?

Use ASP NET Core middleware.

#dotnet #devtips #csharp #middleware #aspnetcore

[it2.fun - Dev tips, tricks and insights @it2fun]

How to Secure an https://t.co/tFo3kFXf8i Core Endpoint?

#dotnet #aspnetcore #security #devtips #dotnettips

[it2.fun - Dev tips, tricks and insights @it2fun]

SpaceX Acquires Cursor to Eliminate Monthly Subscription Costs For Elon Musk

#SpaceX #Cursor #AI #AICoding #ElonMusk

[it2.fun - Dev tips, tricks and insights @it2fun]

𝐇𝐨𝐰 𝐭𝐨 𝐈𝐧𝐜𝐫𝐞𝐚𝐬𝐞 𝐓𝐡𝐫𝐨𝐮𝐠𝐡𝐩𝐮𝐭?

#dotnet #performance #throughput #scalability #devtips

[it2.fun - Dev tips, tricks and insights @it2fun]

How to Prevent NullReferenceException
A NullReferenceException occurs when an object is null.

Possible solutions:

Check for null
Avoid null values
Initialize objects
Use nullable reference types
Handle exceptions

#dotnet #dotnettips #csharp #null

[it2.fun - Dev tips, tricks and insights @it2fun]

Microsoft announced Runtime Async in .NET 11, moving much of the async execution machinery from the C# compiler into the CoreCLR runtime.

#Microsoft #MicrosoftBuild #MSBuild #dotnet #dotnettips

[it2.fun - Dev tips, tricks and insights @it2fun]

Queries running slowly?

Consider adding an index.

Indexes help SQL Server:

Find data faster
Reduce table scans
Improve filtering performance
Improve sorting performance
Improve join performance

#SQL #query #devtips #SQLTips #Performance

[it2.fun - Dev tips, tricks and insights @it2fun]

Want asynchronous database writes in EF Core?

Use SaveChangesAsync() instead of SaveChanges().

#dotnet #dotnettips #EntityFramework