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Is babel producing subtly incorrect code for let bindings?


Is babel producing subtly incorrect code for let bindings?

By : HabibieND
Date : November 19 2020, 03:01 PM
like below fixes the issue I'm seeing a difference in behavior between native es6 and transpiled code. , In this snippet
code :
let a = b;
let b = 1;


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Evil samples of subtly broken C++ code

Evil samples of subtly broken C++ code


By : user2494944
Date : March 29 2020, 07:55 AM
this one helps. The most vexing parse is an amazingly counterintuitive result of the way C++ parses things like this:
code :
// Declares a function called "myVector" that returns a std::vector<float>.
std::vector<float> myVector(); 
// Does NOT declare an instance of std::vector<float> called "myVector"

// Declares a function called "foo" that returns a Foo and accepts an unnamed
// parameter of type Bar.
Foo foo(Bar()); 
// Does NOT create an instance of Foo called "foo" nor creates a Bar temporary

// Declares a function called "myVector" that takes two parameters, the first named
// "str" and the second unnamed, both of type std::istream_iterator<int>.
std::vector<float> myVector( 
    std::istream_iterator<int>(str),
    std::istream_iterator<int>()
);
// Does NOT create an instance of `std::vector<float>` named "myVector" while copying
// in elements from a range of iterators
My code is producing incorrect result. Can anyone please tell me what I am doing wrong?

My code is producing incorrect result. Can anyone please tell me what I am doing wrong?


By : Code_42
Date : March 29 2020, 07:55 AM
Does that help I'm not sure what is happening here, but to try and debug it I would just return d.trainingDates from your database query instead of doing the DateDiff, and then do this to validate it:
code :
If dr1.Read() Then
    Dim trngDate As Date = dr1("trainingDates")
    Response.Write(trngDate.ToString)
    If (trngDate - DateTime.Now).TotalDays >= 2 Then
        Return True
    Else
        Return False
    End If

End If
Protected Sub GridView1_RowDataBound(ByVal sender As Object, ByVal e As GridViewRowEventArgs)
    If e.Row.RowType = DataControlRowType.DataRow Then
        Dim dateValue As Date = Date.Parse(Convert.ToString(DataBinder.Eval(e.Row.DataItem, "Dates")))
        Dim btn As Button = DirectCast(e.Row.FindControl("cancelBtn"), Button)
        btn.Enabled = (dateValue - DateTime.Now).TotalDays >= 2
    End If
End Sub
Floating point calculation has a subtly incorrect result

Floating point calculation has a subtly incorrect result


By : sheikh Ali
Date : March 29 2020, 07:55 AM
it fixes the issue I'm writing a 2D platformer game that has objects with rectangular hitboxes. I'm using XNA, which uses single-precision floats for its Vector2 datatype. Due to the slight inaccuracy of floating point arithmetic, a collision resolution for a sprite puts it very slightly above the top of a given tile as opposed to placing the sprite directly atop the tile. , Try the Math.Abs method to measure the closeness:
code :
float dVal = ...;
int iVal = ...;
if (Math.Abs(dVal - iVal) < 0.0001)
{
    // values are very close to each other
}
What is my code for inverting all the bits in a 32 bit integer producing the incorrect output?

What is my code for inverting all the bits in a 32 bit integer producing the incorrect output?


By : J-Hunter
Date : March 29 2020, 07:55 AM
Does that help Your first iteration changes the left most bit from 0 to 1. This is the sign bit, so of course you got a negative number.
EDIT :
code :
evaluateBit = (c >> k);
evaluateBit = (c >> k) & 1;
Code to find median producing incorrect result in C# and over complex code

Code to find median producing incorrect result in C# and over complex code


By : sangmoon
Date : March 29 2020, 07:55 AM
it fixes the issue @someone is correct it is simple as it gets. I believe the correct formula to put inside your PrintData() function is:
code :
if (numbersList.Count % 2 == 0)
{
   median = (numbersList[(numbersList.Count / 2) - 1] + 
   numbersList[(numbersList.Count / 2)]) / 2;
}
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