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Javascript switch vs. if…else if…else
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edited Apr 27 '19 at 15:35
Fcmam5
1,4231212 silver...
How do you represent a graph in Haskell?
It's easy enough to represent a tree or list in haskell using algebraic data types. But how would you go about typographically representing a graph? It seems that you need to have pointers. I'm guessing you could have something like
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Does anyone have benchmarks (code & results) comparing performance of Android apps written in Xamari
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Yeah, Xamarin's Mono virtual machine is more impressive than Google's Dalvik used in Android. I have tested it with HTC Flyer and Acer Iconia Tab tablets to benchmark the C# port of Android through Mono against Java Dalvik, with the C# implementation of Android...
What is the difference between String.slice and String.substring?
Does anyone know what the difference is between these two methods?
8 Answers
8
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How to get database structure in MySQL via query
Is it possible to somehow get structure of MySQL database, or just some table with simple query?
10 Answers
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How can I specify a branch/tag when adding a Git submodule?
...See some of the answers below.
It's a little confusing to get used to this, but submodules are not on a branch. They are, like you say, just a pointer to a particular commit of the submodule's repository.
This means, when someone else checks out your repository, or pulls your code, and does git...
How to check if IEnumerable is null or empty?
I love string.IsNullOrEmpty method. I'd love to have something that would allow the same functionality for IEnumerable. Is there such? Maybe some collection helper class? The reason I am asking is that in if statements the code looks cluttered if the patter is (mylist != null && mylist....
Is is possible to check if an object is already attached to a data context in Entity Framework?
I am getting the following error when trying to attach an object that is already attached to a given context via context.AttachTo(...) :
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Is if(items != null) superfluous before foreach(T item in items)?
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You still need to check if (items != null) otherwise you will get NullReferenceException. However you can do something like this:
List<string> items = null;
foreach (var item in items ?? new List<string>())
{
item.Dump();
}
but you might check performa...
What's the fastest way to convert String to Number in JavaScript?
...t as far as I know.
Number(x);
parseInt(x, 10);
parseFloat(x);
+x;
By this quick test I made, it actually depends on browsers.
http://jsperf.com/best-of-string-to-number-conversion/2
Implicit marked the fastest on 3 browsers, but it makes the code hard to read… So choose whatever you feel lik...