Othmane
15 questions
1
votes
0
answer
8
views
why MSE on test set is very low and doesn't seem to evolve (not increasing after increasing epochs)
I am working on a problem of predicting stock values using LSTMs.
My work is based on the following project .
I use a data set (time series of stock prices) of total length 12075 that I split into train and test set (almost 10%). It is the same used in the link project.
train_data.shape
(11000,)
te...
1
votes
1
answer
100
views
Working with array and Dictionnaries after loading them from Disk using np.load and np.save
I have several huge arrays, and I am using np.save and np.load to save each array or dictionnary in a single file and then I reload them, in order not to compute them another time as follows.
save(join(dir, "ListTitles.npy"), self.ListTitles)
self.ListTitles = load(join(dir,"ListTitles.npy"))
The pr...
3
votes
0
answer
93
views
Javascript comparison does not work in Microsoft Edge
I created a calendar only with JavaScript; I need to compare dates of events stored in with dates retrieved from database, it works very well with Chrome and Firefox, but not with Edge.
var td = document.querySelector('td');
var date = new Date('2017-06-22');
td.dataset.date = date.toLocaleDateSt...
19
votes
2
answer
6.8k
views
resolve a java.util.ArrayList$SubList notSerializable Exception
I am using SubList function on an object of type List. The problem is that I am using RMI and because the java.util.ArrayList$SubList is implemented by a non-serializable class I got the Exception described above when I try to pass the resulting object to a remote function taking as an argument a Li...
5
votes
4
answer
6.1k
views
Trying to make a contact form example with symfony2
Here I'm trying to fill in a contact form then send it. However when I fill in the form and click on send I have this exception :
UndefinedMethodException: Attempted to call method "bindRequest" on class "Symfony\Component\Form\Form" in /symfony/src/tuto/WelcomeBundle/Form/Handler/ContactHandler.php...
2
votes
1
answer
778
views
Ionic (cordova) : Gradle: more than one library with package name 'com.google.android.gms'
I encountered an error when I execute Ionic run android,here is the error
Error: more than one library with package name 'com.google.android.gms'
You can temporarily disable this error with android.enforceUniquePackageName=fal
se
However, this is temporary and will be enforced in 1.0`
Here are the p...
4
votes
2
answer
4.5k
views
Page reloads on hide/show button click using jQuery
I'm using jQuery to show/hide a div by clicking on the show/hide buttons. However, my code doesn't work because every time it returns to the way it was before when I click on my buttons. I'm almost sure that this is due to a page reload, because every time I click on a button it reloads the page.
Do...
1
votes
4
answer
59
views
Extract strings only from a line in php
I am using explode to extract only strings from a whole line. However using this:
$array = explode(" ", $line);
It splits the line by only one space, not by words. For example if $line is
$line="word1 word2 word3"
then I also have spaces among the entries in the array (it contains: "word1", "wo...
2
votes
1
answer
89
views
can't get a pointer on my button in a dialogfragment
I am trying to build a simple DialogFragment which contains a textview and two buttons (send and cancel).
I want to disable the button when the textview is first empty, but the positiveButton variable in my code is always null and I get the following exception:
java.lang.NullPointerException: Attem...
1
votes
4
answer
137
views
Java - Back to inheritance of static methods
I have read many posts and articles and now understood that static methods can not be inherited. To explain my issue, you can look at the following pieces of code:
The main class:
public class DataTable {
public String id;
public String date;
public String reserve() throws SQLException {
......
Stri...
2
votes
1
answer
80
views
Relationship between 3 Models in Laravel
I'm trying to make a relation between 3 Models in Laravel 5.6
Here are my tables
departments
id
name
subjects
id
name
teachers
id
name
teach
id_teacher
id_department
id_subject
The relationship between all tables is many to many.
Teacher can teach many subjects in many department
department belongs...
1
votes
3
answer
2.2k
views
How to generate random numbers in C++ without using time as a seed
My program is supposed to generate random number with a fixed maximum of 9999. These numbers are used to create objects. Now the problem is when using time as a seed, if I create two objects one after the other both will be created with the same number (as the time hasn't changed in the process).
Ho...
3
votes
4
answer
82
views
Split according to “:” in multiple lines
I have a set of files composed as follows:
Product: Name
Description: description of product
I want to extract only the name and the description's content without the 'Product:' and 'Description:'. For this I do:
div = re.split('Product:\s+|Description:\s+', contentOfFile)
The problem is that I get...
2
votes
1
answer
612
views
Ionic : first loading of my android application is abnormally slow
the first loading of my android application is abnormally slow, if someone has already encountered this problem, I already try removing all plugins and reinstall them, and remove the android platform and create it again, the loading time does not changed, here are the messages that the application s...
0
votes
1
answer
477
views
Docker + Laravel + Composer
I have made a docker compose file with three services web( nginx service) app(php-laravel-folder-service) database(mysal-service) for every service i create a dockerfile web.dockerfile app.dockerfile database.dockerfile.
The problem is: in the app.dockerfile i want to install composer and execute th...