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How to concatenate two numbers in javascript?
...
You can also use toString function to convert it to string and concatenate.
var a = 5;
var b = 6;
var value = a.toString() + b.toString();
ModelState.IsValid == false, why?
...lowing snippet to find out whats wrong:
(Often if the binder is trying to convert strings to complex types etc)
if (!ModelState.IsValid)
{
var errors = ModelState.SelectMany(x => x.Value.Errors.Select(z => z.Exception));
// Breakpoint, Log or examine the list with Exceptions.
...
How to find the created date of a repository project on GitHub?
...
@legends or someone else, suggestions for converting to human readable timestamps?
– jasonleonhard
Sep 12 '19 at 21:29
| ...
Error-Handling in Swift-Language
I haven't read too much into Swift but one thing I noticed is that there are no exceptions.
So how do they do error handling in Swift? Has anyone found anything related to error-handling?
...
TextEnhancer拓展 - 增强App中的文本格式 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
About[size=15.008px]Introducing TextEnhancer, the ultimate extension for enhancing text formatting in your App Inventor projects! With TextEnhancer, you can effortlessly add advanced text features to your app, making it more dynamic and engaging for your users.Blocks[size=15.008px]SetTextJustificati...
Best introduction to C++ template metaprogramming? [closed]
...Mapping Integral Constants to Types", 2.6 "Type Selection", 2.7 "Detecting Convertibility and Inheritance at Compile Time", 2.9 "NullType and EmptyType" and 2.10 "Type Traits".
The best intermediate/advanced resource I've found is C++ Template Metaprogramming by David Abrahams and Aleksey Gurtovoy,...
What is makeinfo, and how do I get it?
...nfo File" of the Texinfo manual states that
makeinfo is a program that converts a Texinfo file into an Info file,
HTML file, or plain text.
The Texinfo home page explains that
Texinfo itself "is the official documentation format of the GNU project" and that it "uses a single source file to p...
How to return multiple values? [duplicate]
...ore than 1 value that are related, then it makes sense to encapsulate them into a class and then return an object of that class.
If you want to return unrelated values, then you can use Java's built-in container classes like Map, List, Set etc. Check the java.util package's JavaDoc for more details...
Is cout synchronized/thread-safe?
...afety of something, you should treat it as not thread-safe.
Of particular interest here is the fact that cout is buffered. Even if the calls to write (or whatever it is that accomplishes that effect in that particular implementation) are guaranteed to be mutually exclusive, the buffer might be shar...
Lambda expression vs method reference [closed]
...ight be too big, since it's an Android LiveData, inside a Fragment, that I converted to an Event which is triggered by a ViewModel...and the different behavior happens when Android goes back to the same Fragment...so I am having a hard time simplifying it for a question
– Mich...