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Tried writing a Java routine to evaluate math expressions from String values like:

1. "7+3"
2. "10-30"
3. "(1+10)*3"

Don’t want a lot of if-then-else …

What is the difference between == and equals() in Java?

How to compare two strings in equal value??

Can anyone help me how to manage both versions in one Windows 10.

What are the source code for built-in python function like code behind sorted or enumerate etc...?

I am trying to append text repeatedly to an existing file in Java. Not able to do so?

What are the main difference between an inner class and a static nested class in Java? Is it play a …

I am trying to make the like button in the post_detail.html page clicked without refreshing the page so, I included …

class Photo(models.Model):

image1=models.FileField(blank=True, default="",upload_to="media/images",null=True)

image2=models.FileField(blank=True, default="",upload_to="media/images",null=True)

def __str__(self):

return str(self.image1)

How can i download images from the both field on …

Not able to Implement social login authentication in Django ...

Can someone explain How a request is process in Django ?

Hi my problem is that i want to distribute my django app to different users but i want it to …

Hi,

I am trying to get the time spent on each page in a django project using Javascript. I keep …

Hello, 

I want to know if there is a way to get the time spent by each user on each page …

I am trying to install Django in my system.

But getting an error meassge ...

C:\Python34> pip install Django
'pip' …

How to handle URLs in Django?

Can you set up static files in Django? How?

Specify the features available in Django web framework?

What is the use of session framework in Django?

What does the Django templates contain?

What are the inheritance styles in Django?

How to create a project in Django?

How to filter data from Django models using python datetime?

How Django processes a request?

Hi,

I am starting a new project using Python 3.8 and I am trying to install Pillow but returning this …

And after submission an alert of "submitted successfully"  should be displayed on top the screen..

and What are the different kinds of Doctypes available?

0.1 + 0.2 === 0.3 // => ???

How to filter latest record by date in Django?

How to login with email instead of username in Django?

I am fetching an external json file . Whenever I send the data in dictionary form to html page and …

 Explain localStorage and sessionStorage..

var text = 'outside';
function logIt(){
    console.log(text);
    var text = 'inside';
};
logIt();

The above code don't throws an error! …

1. div, p
2. div p
3. div > p
4. div + p
5. div ~ p

The following recursive code will cause a stack overflow if the array list is too large. How can you fix …

What can I do when my pagination breaks after first page when I specify the keyword in a form for …

Hi Everyone,

I am confusing here, I haev installed "django-filter" in my virtual environment. And added the same into my …

Successfully using this code to send HTTP requests with some parameters via GET method

void sendRequest(String request)
{
    // i.e.: …

How would you check if a String was a number before parsing it?

What is the use of anonymous classes in Java? Can we say that usage of anonymous class is one of …

I'm getting a NoSuchMethodError error when running my Java program. What's wrong and how do I fix it?

I am getting a NoClassDefFoundError when I run my Java application. What is typically the cause of this?

Is it possible to call a constructor from another (within the same class, not from a subclass)? If yes how? …

How can I find the number of cores available to my application from within Java code?

How do I remove an element from a list by index in Python?

I found the list.remove method, but say …

I have this program that calculates the time taken to answer a specific question, and quits out of the while …

>>> a=[1,2,3]
>>> a.remove(2)
>>> a
[1, 3]
>>> a=[1,2,3]
>>> del a[1]
>>> a
[1, 3]
>>> a= [1,2,3] …

What's the difference between the list methods append() and extend()?

I  am using Django (version 3.1) and have forgotten both admin username and password. How to reset both?

And is it …

Is it possible to temporarily disable constraints in MySQL?

I have two Django models, each with a foreign key to …