vs-mode | Emacs-integration for Visual Studio | Code Editor library
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Emacs-integration for Visual Studio.
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QUESTION
ANSWER
Answered 2020-Jul-12 at 20:39You did every thing correct except one. When you are creating the data generator for testing (new_generator
) you are not setting the shuffle=False
. This way you can't reproduce the results with each run as the data generator will shuffle the data for each iteration.
QUESTION
It may be a stupid question but:
I noticed that the choice of the loss function modifies the accuracy obtained during evaluation.
I thought that the loss was used only during training and of course from it depends the goodness of the model in making prediction but not the accuracy i.e amount of right predictions over the total number of samples.
EDIT
I didn't explain my self correctly.
My question comes because I recently trained a model with binary_crossentropy
loss and the accuracy coming from model.evaluate() was 96%.
But it wasn't correct!
I checked "manually" and the model was getting 44% of the total predictions. Then I changed to categorical_crossentropy
and then the accuracy was correct.
MAYBE ANSWER
From: another question
...I have found the problem. metrics=['accuracy'] calculates accuracy automatically from cost function. So using binary_crossentropy shows binary accuracy, not categorical accuracy. Using categorical_crossentropy automatically switches to categorical accuracy and now it is the same as calculated manually using model1.predict().
ANSWER
Answered 2018-Sep-16 at 14:46From: another question
I have found the problem. metrics=['accuracy'] calculates accuracy automatically from cost function. So using binary_crossentropy shows binary accuracy, not categorical accuracy. Using categorical_crossentropy automatically switches to categorical accuracy and now it is the same as calculated manually using model1.predict().
QUESTION
This is my first attempt at using reactive forms and needless to say I am not getting very far. I am getting this error: ERROR TypeError: Cannot read property 'valid' of undefined
Am I missing something here? I have been following this tutorial to learn from. I am totally new to using reactive forms so any suggestions would help as well.
ANSWER
Answered 2018-Feb-22 at 16:17You are naming your form loginForm
in
QUESTION
I'm sorry if this is a stupid question, but I'm having trouble finding out how to create a new instance of a model inside the views.
Referencing this question, I tried doing
...ANSWER
Answered 2018-Feb-16 at 17:53save
is method of instance, should be:
QUESTION
I am working with spring rest and hibernate. I checked stackoverflow these linkes but they did not solve my issue!
Spring MVC 3.1 REST services post method return 415
415 Unsupported MediaType for POST request in spring application
HTTP Status 415 - Unsupported Media Type when doing POST
and so more post ..
When I have this kind of relation in my entities, there is no problem in post and @RequestBody
University.java
...ANSWER
Answered 2017-Sep-18 at 13:32Jackson doesn't support multiple @JsonBackReference
on one entity class without naming them specifically (every relating have a default name given).
Set a specific name for each relation like:
QUESTION
I have a couple of fields connected to the FormBuilder like this.
...ANSWER
Answered 2017-Aug-24 at 21:22Your scenario is the purpose of a FormArray. See the docs here: https://angular.io/guide/reactive-forms#use-formarray-to-present-an-array-of-formgroups
The docs show an array of FormGroups, but you can also use it to create an array of FormControls.
Here is an example from my application:
QUESTION
Please I need help in understanding this two approaches in the uml world. I am a programmer who is new to uml. I just started learning uml lately but kept getting this phrase asked all the time. - Are you modelling or drawing?. An explanation is needed with clear examples. This link hinted just a little but I am stil confused -- http://modeling-languages.com/drawing-tools-vs-modeling-tools/
...ANSWER
Answered 2017-Jun-21 at 09:17You can use UML diagrams in very free way and you can use them up to the specifications. There are even different UML tools - some support only free style diagrams/drafts, some check dependencies and correctness and thus create models. There are some tools in between (MS Visio is one of them)
Nothing is ideal and fitting for everything. For example, some strict tools (VP and EA) forbid to make number-named classes, but according to UML specification you MUST use number names for anonymous classes. But -sigh- we have what we have.
Use of UML as such is not strictly predefined. So, you can use it for freehand drafts, later work on them more thoroughly and make them models. Or do only drafts. Or only models. But at any moment you should know how strictly are you keeping up to specifications. Or at least, trying to keep up. But even very free draft can help you greatly to understand the task or to think in a more productive way.
QUESTION
I'm currently trying to add validation to an angular 2 form, but for some reason I can't get my submit button to disable when the required fields are not filled in. Here is the code of my form template:
...ANSWER
Answered 2017-Feb-02 at 19:18Assuming you are using a newer release than Angular 2 final:
You need to add ngModel
, which binds the form value based on the name attribute’s value. In your case one is name="inputtype"
the other is name="name"
. So you need to add ngModel
to bind the values, and your form should work as you wish! :)
So the following should work (removed a bit of noise from code):
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