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EF Migrations: Rollback last applied migration?
...tation or i am missing something. Tried via entityframeworktutorial.net/efcore/… any suggestions?
– Sijan Shrestha
May 23 at 17:52
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Is it better to call ToList() or ToArray() in LINQ queries?
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It's 2020 outside and everyone is using .NET Core 3.1 so I decided to run some benchmarks with Benchmark.NET.
TL;DR: ToArray() is better performance-wise and does a better job conveying intent if you're not planning to mutate the collection.
[MemoryDiagnoser]
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Difference between a “coroutine” and a “thread”?
...may be executing at any given time. (Traditionally, on single-CPU, single-core machines, that concurrency was simulated with some help from the OS -- nowadays, since so many machines are multi-CPU and/or multi-core, threads will de facto be executing simultaneously, not just "conceptually").
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What is the difference between JSF, Servlet and JSP?
...sive framework designedfor enterprise Web
application development, these core technologies can often lead to
avariety of development and maintenance problems. More important, by
the time the developers achieve a production-quality solution, the
same set of problems solved by JSF will have be...
How to restore the permissions of files and directories within git if they have been modified?
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Try git config core.fileMode false
From the git config man page:
core.fileMode
If false, the executable bit differences between the index and the working copy are ignored; useful on broken filesystems like FAT. See git-update-inde...
Value cannot be null. Parameter name: source
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I just got this exact error in .Net Core 2.2 Entity Framework because I didn't have the set; in my DbContext like so:
public DbSet<Account> Account { get; }
changed to:
public DbSet<Account> Account { get; set;}
However, it didn't show the exc...
What is App.config in C#.NET? How to use it?
...ent time. One exception to this is when a web.config is transformed.
.NET Core
New configuration options were introduced with .NET Core. The way that *.config files works does not appear to have changed, but developers are free to choose new, more flexible configuration paradigms.
Configuration ...
Understanding CUDA grid dimensions, block dimensions and threads organization (simple explanation) [
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block are logical, but each block is assigned to a core. if there are more blocks than core, the blocks are queued until cores become free. In your example you can use 6 blocks and have the extra threads do nothing(2/3 of the threads on the 6th block).
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思维导图在快速阅读或是其它学习工作中的作用 - 创意 - 清泛网 - 专注C/C++...
...在快速阅读或是其它学习工作中的作用思维导图一、人的大脑运用带来的问题您是否经常遇到过这样的情况：1、您买了很多书，可惜很多都没有读？就是有幸读过也掌握不了多少？2、走...
思维导图
一、人的大脑运用带来的问...
常用快速产品原型设计工具推荐 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...具自然非常重要。下面介绍一些常用的原型设计工具，供大家参考。
Axure Rp
Axure RP是美国Axure Software Solution 公司的旗舰产品，该原型设计工具可以专业快速地帮助完成定义需求规格负责设计功能和界面的原型设计者快速创建...