green_light | Simple client side validation for Rails | Validation library
kandi X-RAY | green_light Summary
kandi X-RAY | green_light Summary
Simple client side validation for Rails that keeps validation in the models
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QUESTION
Below is my code for the GUI using tkinter which is taking entries from the user using Entry widget and storing it in a list. Later in a function it is iterating through that to do some calculations.
Client CODE
...ANSWER
Answered 2020-Jul-09 at 13:05 is the representation of the widget itself, not the contents of the widget.
In your code self.entries
is a list of widgets, not a list of data in the widgets. If you want to see a list of the data in the widgets you can do something like this:
QUESTION
I'm new to Tensorflow and I want to know why I'm getting nan values for cost, W and b at each epoch? I'm setting up a traffic game and I'd like to train a model to be able to predict what the best duration of a green light would be, based on previous rewards and previous green light durations. I tried following this guide to set it up, but doesn't seem to be working. Any ideas? This could should replicate the issue I'm having, and I've added in lots of prints to be able to help someone more experienced than I. Thanks.
...ANSWER
Answered 2019-Aug-20 at 05:50There are two error first please use MinMaxScaler to scale your data. During calculations when number go out of range NAN pops up 2. Append doesnt work in numpy array.
Here's complete solutions to your problem:
QUESTION
I'm new to TensorFlow and creating linear regressions, but I'm not seeing my issue here. I followed this guide to create my first simple (univariate) linear regression model, but am running into the error:
UPDATE WITH NEW PRINT OUTPUTS
...ANSWER
Answered 2019-Aug-19 at 19:25... and there's the problem! Current values of items are
QUESTION
I'm trying to display what the user selects once they click on an item from the Boostrap 4 drop down menu.
Ex. "What is your eye color" User selects : Blue - Blue is displayed after click.
Ex. "What is your skin tone" User selects: Fair- Fair is displayed after click.
I have done research and jQuery seems to be the best bet however all of the solutions are for older bootstrap versions. I'm using Boostrap 4 and there are no li tags in the bootstrap 4 code, it's all a class tags so I'm not sure how to fit that into the jQuery option below. Also, I have (2) dropdown menus - please see pic. I'm not sure if this makes it more tricky. Any assistance or direction would be great.
jQuery:
...ANSWER
Answered 2018-Jun-20 at 00:38You can access the data using jQuery's "attr()" function.
QUESTION
I want to center align an ImageButton
in a ScrollView
and I'm quite happy with the result in portrait mode. However, I can't say the same for landscape mode and any help would be greatly appreciated.
I'm using two layout files here; the first one is the one I use for my MainActivity
class, called activity_main.xml
. The second one (called fragment_main.xml
) gets nested into into the activity_main.xml
when the MainActivity
loads the MainFragment
.
The preview for fragment_main.xml
looks quite promising for portrait and landscape mode:
fragment_main.xml in landscape
fragment_main.xml in portrait
And the rendering of activity_main.xml
in portrait mode looks just how I want it to look:
activity_main.xml in portrait
However, activity_main.xml
in landscape mode looks odd and I can't figure out why:
activity_main.xml in landscape
Here is the XML of activity_main.xml
with fragment_main.xml
merged into it as a child of the ScollView
:
ANSWER
Answered 2019-Jun-05 at 19:55After I understood that the ScrollView
is the element that's causing me headaches (thanks again, @glucaio!) I found this answer and was able to solve my problem.
The ScrollView
received android:fitsSystemWindows="true"
, the inner ConstraintLayout
had its attributes for width and height switched (android:layout_width="wrap_content"
and android:layout_height="match_parent"
), received a paddingTop
and paddingBottom
(instead of paddingStart
and paddingEnd
) and was wrapped in a LinearLayout
:
QUESTION
This code displays a traffic light on the turtle.screen(). I'm trying to add a countdown timer in my code which should be displayed on the turtle screen below the traffic light and not on the python terminal.
...ANSWER
Answered 2019-Apr-24 at 17:31One difficulty in adding such a feature is that this program is built incorrectly. Things like while True:
and time.sleep(4)
are to be avoided in an event-driven world like turtle. Instead, consider turtle's own ontimer()
method which does a better job and plays nicely with events.
First thing to do is fix your code to use a state machine and ontimer()
to change the lights:
QUESTION
ANSWER
Answered 2018-Jan-17 at 17:44Here you are :
There are a Few Important notes:
- because we define the recycler in the scrollview, it wont recycle the views!!!! so try to not put many graphical objects in your list
- Views height and width should be calculated after the whole view is created. otherwise you will get zero. That is why i use
globalLayoutListener
I declare my activity as this :
QUESTION
After updating to Android gradle plugin 3.0.0
and gradle 4.1
, I can't compile my code. The project runs just fine in 2.3.3.
Here is the error when I run gradle with --stacktrace
:
Error:com.android.builder.symbols.ResourceDirectoryParseException: Failed to parse XML resource file '/Users/felipea/Documents/next-components/nextcomponents/build/intermediates/bundles/debug/res/values/values.xml' Error:java.lang.IllegalArgumentException: Error: ' ' is not a valid resource name character Error:Error: ' ' is not a valid resource name character
But I did not found a space character in my values.xml:
...ANSWER
Answered 2017-Nov-17 at 10:46Your DARKEN
enum has a space in it:
QUESTION
I made the eCommerce website and i got the error at the time of purchasing because when i buy now the item than the payment integration work but its getting error. So, what is the solution of that if i click on the button and its open fragment.
ItemDetails.java (This is the code of buy now and here i implement some fragment code also but its not work properly)
...ANSWER
Answered 2017-Sep-28 at 07:56You have to try replace a Framelayout
with id is fragment_container
when you try to replace/add fragment without use FrameLayout
that time you should use android.R.id.content
,
So Please replace you code like.
QUESTION
I made the shopping cart app and I use the navigation drawer and in this navigation drawer I use the shopping cart icon.
Now, When i click on the particular item. It's open in new activity but its not showing the shopping cart icon, So how will it show? So,i see the item in the cart?
ItemDetailsActivity. java (This is the .java file of this image where i am unable to see the shopping cart icon, so i am unable to see how many items add in the cart)
...ANSWER
Answered 2017-Sep-25 at 06:03Please Override this Method in your ItemDetailsActivity to Show Menu
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