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Recreating a Dictionary from an IEnumerable
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If you're using .NET 3.5 or .NET 4, it's easy to create the dictionary using LINQ:
Dictionary<string, ArrayList> result = target.GetComponents()
.ToDictionary(x => x.Key, x => x.Value);
The...
How do I use Assert to verify that an exception has been thrown?
...lled Throws, and use it just like any other Assert method. Unfortunately, .NET doesn't allow you to write a static extension method, so you can't use this method as if it actually belongs to the build in Assert class; just make another called MyAssert or something similar. The class looks like this:...
Why does Boolean.ToString output “True” and not “true”
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...because the .NET environment is designed to support many languages.
System.Boolean (in mscorlib.dll) is designed to be used internally by languages to support a boolean datatype. C# uses all lowercase for its keywords, hence 'bool', 'tru...
Benchmarking small code samples in C#, can this implementation be improved?
...n on SO I find myself benchmarking small chunks of code to see which implemnetation is fastest.
11 Answers
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Multi-key dictionary in c#? [duplicate]
...to the reference's first usage, not the actually faulty code.
Of course, .NET 4.0 is pretty old by now; most of us can just use .NET 4.0's tuple.
Edit: to workaround the poor GetHashCode implementation that .NET provides for structs I've written ValueUtils, which also allows you to use real names ...
Difference between byte vs Byte data types in C# [duplicate]
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C# has a number of aliases for the .NET types. byte is an alias for Byte just as string is an alias for String and int is an alias for Int32. I.e. byte and Byte are the same actual type.
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How to check if a DateTime occurs today?
Is there a better .net way to check if a DateTime has occured 'today' then the code below?
13 Answers
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Colspan/Rowspan for elements whose display is set to table-cell
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</div>
</div>
Live action (demo) here.
EDIT:
I finetuned the code to be more printer-friendly, as they leave background-colors out by default. I also created rowspan-demo, inspired by late answer here.
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Package Manager Console Enable-Migrations CommandNotFoundException only in a specific VS project
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Note that EntityFramework only supports .net framework 4.0 and 4.5. So, if you are using .net framework 4.6 or higher, it doesn't work.
– Tân
Jan 13 '17 at 13:46
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Simplest way to read json from a URL in java
...ream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.net.URL;
import java.nio.charset.Charset;
import org.json.JSONException;
import org.json.JSONObject;
public class JsonReader {
private static String readAll(Reader rd) throws IOException {
StringBuilder sb = new Stri...