All Questions

1
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Calculate tan-1 in angles c #?

I'm trying to do the following calculation but nothing works for me The calculation of tan-1(1) the result of the calculator is 45 grados but I can not obtain this result in C #. Code: Math.Tanh(1);// resultado = 0,...
asked on 12.10.2018 / 03:42
1
answer

IndexError: list assignment index out of range with lists and input (). split ()

I'm trying to make a program in which the user has to enter a character and then assign it the value, and I want the character and value to be on the same line separated by a space, so I'm using input () .split () to separate it into 2 different...
asked on 06.10.2018 / 01:22
2
answers

How to insert "ngx-input-file" with "formControlName"?

With the library ngx-input-file I insert a field of type files for several images, this works correctly, the problem is when I add the formControlName tag, the option to insert images disappears. My HTML : <input-file fileAccept...
asked on 06.10.2018 / 19:52
1
answer

MySQL does not return data in a column

I have a database where sometimes there is no data in some columns, I would like to know how I could know that this column is null . I've tried with if(!_Rellenar.HasRows) { isNull = false; } And with: if(!_Rellenar.Read()) {...
asked on 14.10.2018 / 21:05
2
answers

MySQL query repeated data

I'm doing a query on phpMyadmin, everything worked fine, but I was taking data from other tables, however, when I added the LEFT JOIN, everything was still working perfectly. The problem is when in the SELECT I put the name of the column to be d...
asked on 08.10.2018 / 20:14
1
answer

How do I make the browser scroll to fit a modal?

The modal I do with mdbootstrap . My Html: <!-- crear --> <button class="btn btn-primary waves-light" (click)="crearAbrir2()" mdbWavesEffect> <span class="fa fa-plus d-inline-block"></span> <...
asked on 06.10.2018 / 14:55
1
answer

Someone could please tell me what is my mistake

hello knows I try to do a crud with laravel 5.6 and with table called t_areaFuncional but my model is AreaFuncional and my controller AreaFuncionaController, deactivate .. the convention that laravel has. with respect to migrations ... my tab...
asked on 30.08.2018 / 23:14
1
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how to do so that when I log in laravel I return the user's data and it is stored in a session or a localstorage

Hi, I am new to laravel, I use laravel 5.6 I am implementing a login with function __construct(){$this->middleware('auth.basic');} is a basic authentication, this builder inserted it in canda controller. what I need is that every time...
asked on 31.08.2018 / 21:47
1
answer

Observer type bool C ++

I'm trying to solve this exercise: The Dice class manages the launch of 2 dice. A) The constructor receives two optional parameters with the initial value for the given 1 and the given 2 respectively. If the dice do not receive an initial...
asked on 25.08.2018 / 11:33
1
answer

Doing cast with number does not change the data type

I am learning javascript and Angular, Because at the moment of seeing the data type of this variable even specifying the data type it still comes out as string being a number this.activatedRoute.params.subscribe( params => { const idx...
asked on 05.09.2018 / 16:38