Lemon | scratch hobby image editing software | Computer Vision library
kandi X-RAY | Lemon Summary
kandi X-RAY | Lemon Summary
A completely-from-scratch hobby image editing software. Blur, transform, apply effects & textures, node control system and many more.
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Top functions reviewed by kandi - BETA
- Filter image
- Filters pixels
- Convolves a kernel
- Filter the image
- Get the neighbors of the specified pixel
- Get the neighbors of a pixel
- Initialize the panel
- Creates the combo box for color modes
- Zoom a wheel wheel event
- Transform a point
- Display the filter
- Average a block of pixels
- Creates the open file button
- Process an RGB value of RGB pixel
- Override paintComponent
- Remove the JColorChooser panel
- Initialize the panel
- Initialize the widgets
- Get the cell renderer component
- Initialize the slider
- Main method for testing purposes
- Process an image
- Override paint to paint a single frame
- Creates a random shape based on a shape
- Invert matrix
- Creates a stroke shape
Lemon Key Features
Lemon Examples and Code Snippets
Community Discussions
Trending Discussions on Lemon
QUESTION
This is not a Duplicate question, I spent 3 days searching here and there is no other question similar to mine!
This javascript generates random words only when called from one single div, or the first one when trying different DOM Methods to get Elements.
I've tried several options and combinations with getElementsBy ID, Tag, Name, Class, and CSS Selector.
However after several days searching and testing, I can't make it work in more than one div.
I need to use the same array as the only source for all my 36 divs, to generate random words from an onClick event on each of them.
I'm open to edit it, or completely change it.
This is what I have currently working for the first div using getElementsByClassName which I suppose should be the correct way as I need to call this script from several elements, not just one:
...ANSWER
Answered 2021-Jun-13 at 21:11You can create a loop to add the click handler to all fruits
QUESTION
I'm trying to group the rows of my dataframe into "courses" when the same variables appear at regular date intervals. When there is a gap in time frequency or when one of variables change I would like to give it a new course ID.
To give an example, my data looks something like this:
...ANSWER
Answered 2021-Jun-10 at 16:18Here's a dplyr approach that calculates the gap and rolling avg gap within each Name/Item group, then flags large gaps, and assigns a new group for each large gap or change in Name or Item.
QUESTION
I am back with another question about lists, but this time it's about 2D lists. I tried using the previous method given to me for changing the values in a list given in the code below. However, this doesn't work when i use a 2D list. here's the code:
...ANSWER
Answered 2021-Jun-06 at 05:50A 2D list would have rows and columns, say mXn, your list is 2X4, but you are only checking for the 2 rows.
QUESTION
I have a MultiIndex data frame called df with 3 indexes (Fruit, Color, Taste). I want to search 1 specific index, that index being Color and see if the value exists in it.
For example: the code would look something like this. Color is an index in the dataframe not just a column.
ANSWER
Answered 2021-Jun-05 at 20:01Try xs to grab a cross-section from the DataFrame:
QUESTION
typedef struct
{
char foodCategory[15],foodName1[30],foodName2[30],foodName3[30];
double foodPrice1,foodPrice2,foodPrice3;
}Food;
void print_food()
{
Food c[300];
int lineNumber = 2,index = 1;
FILE *file = fopen("Food.txt","r");
if (file != NULL)
{
char line[300];
while (fgets(line, sizeof line, file) != NULL)
{
if (index == lineNumber)
{
sscanf(line,"%14s-%29s %lf %29s %lf %29s %lf",
c[lineNumber].foodCategory,
c[lineNumber].foodName1,
c[lineNumber].foodPrice1,
c[lineNumber].foodName2,
c[lineNumber].foodPrice2,
c[lineNumber].foodName3,
c[lineNumber].foodPrice3);
printf("---%s---\n",c[lineNumber].foodCategory);
printf("%s\t%lf\n", c[lineNumber].foodName1,c[lineNumber].foodPrice1);
printf("%s\t%lf\n", c[lineNumber].foodName2,c[lineNumber].foodPrice2);
printf("%s\t%lf\n", c[lineNumber].foodName3,c[lineNumber].foodPrice3);
}
else
{
index++;
}
}
fclose(file);
}
else
{
printf("No file found");
}
}
ANSWER
Answered 2021-Jun-04 at 13:56Here is my solution. Basically, I replaced sscanf by some string manipulation to parse the lines.
QUESTION
ANSWER
Answered 2021-Jun-02 at 17:42I found out a solution to your problem. Follow below steps
At first Add box class to every element that lies inside the box that toggle the dropdown
QUESTION
I have the below code
...ANSWER
Answered 2021-May-31 at 13:28Try via np.select():
QUESTION
By array intersection I mean, the inventory has a lot more elements than each document ingredients array, and the result I want to get from the query is all documents which all array elements are contained within the inventory. $all will get me zero results since the inventory has more elements than can be found in ingredients even if all ingredients are found within the inventory,
I have thousands of docs that have an array field of strings
...ANSWER
Answered 2021-May-29 at 06:48You can try aggregation operator in mquery using $expr expression condition,
- first of all you can join the array of string by
|order symbol and make a string, and use it in$regexsearch, $filterto iterate loop ofingredients$regexMatchto match element has any matching word$sizeto get the total size of filtered elements$eqto match filtered result and actualingredientsis equal
QUESTION
I have two data frames that share the two common columns "a" and "b". I would like to create a function that sums up the values of "amount" by class in df1, and add this to df2 as "sum" column.
Here's df1 and df2.
...ANSWER
Answered 2021-May-28 at 16:22One way to solve via merge:
- Evaluate the sum 1st from the first dataframe via
groupby/transform. Transform allows you to retain the original structure of the dataframe. - Assign the result back to the 1st dataframe using
assignmethod. - Drop the non-required column from the 1st dataframe.
- Finally do the left merge
QUESTION
I am working on a project in which I need to post a new Course to my API. I tested this with POSTMAN and API works just fine, however when I try to post data using react fetch data is corrupted. While sending single strings like dishName: "pizza" works just fine and is shown in database I cannot manage to send an array of objects. I tried to do it in many ways like:
...ANSWER
Answered 2021-May-27 at 21:44You are setting the ingredients state as a string, so you are basically 'stringify' a string which will result in JSON SyntaxError. If you want to send an array that way you must specify the array bracket [ and ] in order to make it a valid array.
To solve it just change:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install Lemon
You can use Lemon like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the Lemon component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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