Sources | contains random but useful source codes

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Sources is a Perl library typically used in Testing applications. Sources has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

Repository that contains random but (sometimes) useful source codes for offensive security stuff.

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Sources has a low active ecosystem.

It has 21 star(s) with 20 fork(s). There are 5 watchers for this library.

It had no major release in the last 6 months.

Sources has no issues reported. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of Sources is current.

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Sources has no bugs reported.

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Sources has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

Sources does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

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Sources releases are not available. You will need to build from source code and install.

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Community Discussions

Trending Discussions on Sources

General approach to parsing text with special characters from PDF using Tesseract?

How to reduce the lines of code with multi variable equations?

What is the Sobel operator?

How do I check for conflict between columns in a pandas dataframe?

How To dynamically generate an HTML Table using ngFor. in Angular

Angular and ASP.NET Core MVC: "Uncaught SyntaxError: Unexpected token '<'" for index file references when deployed

Why do I get error "Could not find a version that satisfies the requirement scipy==1.5.3" when running "pip install -r requirements.txt"?

ScalaTest error object flatspec is not a member of package org.scalatest

Is there a way to display the barcode value in a text field in Flutter?

Using multiple files in SwiftUI playground

QUESTION

General approach to parsing text with special characters from PDF using Tesseract?

Asked 2021-Jun-15 at 20:17

I would like to extract the definitions from the book The Navajo Language: A Grammar and Colloquial Dictionary by Young and Morgan. They look like this (very blurry):

I tried running it through the Google Cloud Vision API, and got decent results, but it doesn't know what to do with these "special" letters with accent marks on them, or the curls and lines on/through them. And because of the blurryness (there are no alternative sources of the PDF), it gets a lot of them wrong. So I'm thinking of doing it from scratch in Tesseract. Note the term is bold and the definition is not bold.

How can I use Node.js and Tesseract to get basically an array of JSON objects sort of like this:

...

ANSWER

Answered 2021-Jun-15 at 20:17

Tesseract takes a lang variable that you can expand to include different languages if they're installed. I've used the UB Mannheim (https://github.com/UB-Mannheim/tesseract/wiki) installation which includes a ton of languages supported.

To get better and more accurate results, the best thing to do is to process the image before handing it to Tesseract. Set a white/black threshold so that you have black text on white background with no shading. I'm not sure how to do this in Node, but I've done it with Python's OpenCV library.

If that font doesn't get you decent results with the out of the box, then you'll want to train your own, yes. This blog post walks through the process in great detail: https://towardsdatascience.com/simple-ocr-with-tesseract-a4341e4564b6. It revolves around using the jTessBoxEditor to hand-label the objects detected in the images you're using.

Edit: In brief, the process to train your own:

Install jTessBoxEditor (https://sourceforge.net/projects/vietocr/files/jTessBoxEditor/). Requires Java Runtime installed as well.
Collect your training images. They want to be .tiffs. I found I got fairly accurate results with not a whole lot of images that had a good sample of all the characters I wanted to detect. Maybe 30/40 images. It's tedious, so you don't want to do TOO many, but need enough in order to get a good sampling.
Use jTessBoxEditor to merge all the images into a single .tiff
Create a training label file (.box)j. This is done with Tesseract itself. tesseract your_language.font.exp0.tif your_language.font.exp0 makebox
Now you can open the box file in jTessBoxEditor and you'll see how/where it detected the characters. Bounding boxes and what character it saw. The tedious part: Hand fix all the bounding boxes and characters to accurately represent what is in the images. Not joking, it's tedious. Slap some tv episodes up and just churn through it.
Train the tesseract model itself

save a file: font_properties who's content is font 0 0 0 0 0
run the following commands:

tesseract num.font.exp0.tif font_name.font.exp0 nobatch box.train

unicharset_extractor font_name.font.exp0.box

shapeclustering -F font_properties -U unicharset -O font_name.unicharset font_name.font.exp0.tr

mftraining -F font_properties -U unicharset -O font_name.unicharset font_name.font.exp0.tr

cntraining font_name.font.exp0.tr

You should, in there close to the end see some output that looks like this:

Master shape_table:Number of shapes = 10 max unichars = 1 number with multiple unichars = 0

That number of shapes should roughly be the number of characters present in all the image files you've provided.

If it went well, you should have 4 files created: inttemp normproto pffmtable shapetable. Rename them all with the prefix of your_language from before. So e.g. your_language.inttemp etc.

Then run:

combine_tessdata your_language

The file: your_language.traineddata is the model. Copy that into your Tesseract's data folder. On Windows, it'll be like: C:\Program Files x86\tesseract\4.0\tessdata and on Linux it's probably something like /usr/shared/tesseract/4.0/tessdata.

Then when you run Tesseract, you'll pass the lang=your_language. I found best results when I still passed an existing language as well, so like for my stuff it was still English I was grabbing, just funny fonts. So I still wanted the English as well, so I'd pass: lang=your_language+eng.

Source https://stackoverflow.com/questions/67991718

QUESTION

How to reduce the lines of code with multi variable equations?

Asked 2021-Jun-15 at 19:41

I am trying to reduce lines of code because I realized that I am repeating the same equations every time. I am programming a contour map and putting several sources of intensity into it. Until now I put 3 sources, but in the future I want to put more, and that will increase the lines a lot. So I want to see if it is possible to reduce the lines of "source positions" and "Intensity equations". As you can see the last equation is a logaritmic summation of z1, z2 and z3, is it possible to reduce that, any idea?

...

ANSWER

Answered 2021-Jun-15 at 15:45

You could iterate over certain parts in a loop.

I tried to keep the same format overall and just rearranged the code to show how you might do it.

Source https://stackoverflow.com/questions/67989343

QUESTION

What is the Sobel operator?

Asked 2021-Jun-15 at 18:13

I tried 5 different implementations of the Sobel operator in Python, one of which I implemented myself, and the results are radically different.

My questions is similar to this one, but there are still differences I don't understand with the other implementations.

Is there any agreed on definition of the Sobel operator, and is it always synonymous to "image gradient"?

Even the definition of the Sobel kernel is different from source to source, according to Wikipedia it is [[1, 0, -1],[2, 0, -2],[1, 0, -1]], but according to other sources it is [[-1, 0, 1],[-2, 0, 2],[-1, 0, 1]].

Here is my code where I tried the different techniques:

...

ANSWER

Answered 2021-Jun-15 at 14:22

according to wikipedia it's [[1, 0, -1],[2, 0, -2],[1, 0, 1]] but according to other sources it's [[-1, 0, 1],[-2, 0, 2],[-1, 0, 1]]

Both are used for detecting vertical edges. Difference here is how these kernels mark "left" and "right" edges.

For simplicity sake lets consider 1D example, and let array be

[0, 0, 255, 255, 255]

then if we calculate using padding then

kernel [2, 0, -2] gives [0, -510, -510, 0, 0]
kernel [-2, 0, 2] gives [0, 510, 510, 0, 0]

As you can see abrupt increase in value was marked with negative values by first kernel and positive values by second. Note that is is relevant only if you need to discriminate left vs right edges, when you want just to find vertical edges, you might use any of these 2 aboves and then get absolute value.

Source https://stackoverflow.com/questions/67987368

QUESTION

How do I check for conflict between columns in a pandas dataframe?

Asked 2021-Jun-15 at 13:39

I'm working on a Dataframe which contains multiple possible values from three different sources for a single item, which is in the index, such as:

...

ANSWER

Answered 2021-Jun-15 at 13:39

IIUC, try:

Source https://stackoverflow.com/questions/67986537

QUESTION

How To dynamically generate an HTML Table using ngFor. in Angular

Asked 2021-Jun-15 at 09:50

I am trying to dynamically generate the following html table, as seen on the screenshot

I was able to manually create the table using dummy data, but my problem is that I am trying to combine multiple data sources in order to achieve this HTML table structure.

SEE STACKBLITZ for the full example.

The Data looks like this (focus on the activities field):

...

ANSWER

Answered 2021-Jun-13 at 13:28

Oh, if you can change your data structure please do.

Source https://stackoverflow.com/questions/67956130

QUESTION

Angular and ASP.NET Core MVC: "Uncaught SyntaxError: Unexpected token '<'" for index file references when deployed

Asked 2021-Jun-15 at 06:41

I have an application using ASP.NET Core MVC and an Angular UI framework.

I can run the application in IIS Express Development Environment without issue. When I switch to the IIS Express Production environment or deploy to an IIS host, my index referenced files cannot be read showing a browser error:

Uncaught SyntaxError: Unexpected token '<'

These pages look like they are loading the index page as opposed to the .js or .css files.

Here is a snippet of the underlying runtime.js as it should be loaded into browser, it is not loaded with index.html.

...

ANSWER

Answered 2021-Jun-14 at 14:39

Mayby you are missing

Source https://stackoverflow.com/questions/67874434

QUESTION

Why do I get error "Could not find a version that satisfies the requirement scipy==1.5.3" when running "pip install -r requirements.txt"?

Asked 2021-Jun-15 at 02:20

I am trying to install all needed modules for an existing Django project. When I run pip install -r requirements.txt I get the following errors:

...

ANSWER

Answered 2021-Jan-26 at 13:05

Inside your requirements.txt change scipy line with this scipy==1.6.0 and save. Now retry pip installation.

Source https://stackoverflow.com/questions/65900701

QUESTION

ScalaTest error object flatspec is not a member of package org.scalatest

Asked 2021-Jun-14 at 17:36

I have sample tests used from scalatest.org site and maven configuration again as mentioned in reference documents on scalatest.org, but whenever I run mvn clean install it throws the compile time error for scala test(s).

Sharing the pom.xml below

...

ANSWER

Answered 2021-Jun-14 at 07:54

You are using scalatest version 2.2.6:

Source https://stackoverflow.com/questions/67958842

QUESTION

Is there a way to display the barcode value in a text field in Flutter?

Asked 2021-Jun-14 at 11:12

What i want to achieve looks like this:

I have looked through mulitple sources online and on stackoverflow and many show that we can display the value in a textfield by using a raisedbutton.

So far i managed to use the barcode scanner to scan but the scanned barcode doesnt appear in the textfield like i want it to.

My Code:

...

ANSWER

Answered 2021-Jun-14 at 11:12

textController.text = barcode

instead of

Source https://stackoverflow.com/questions/67969019

QUESTION

Using multiple files in SwiftUI playground

Asked 2021-Jun-14 at 10:13

I am trying to use multiple files in SwiftUI playground. I added some code in a separate file in sources. I just want the sheet view to appear when the button is tapped. Even though I have made the struct public but I still get the error as " SecondView initializer is inaccessible due to internal protection level "

Here's the code:

...

ANSWER

Answered 2021-Jun-14 at 10:13

The default initialiser (the one generated by the compiler, since you didn't declare one explicitly) is actually internal.

This is documented here:

A default initializer has the same access level as the type it initializes, unless that type is defined as public. For a type that’s defined as public, the default initializer is considered internal. If you want a public type to be initializable with a no-argument initializer when used in another module, you must explicitly provide a public no-argument initializer yourself as part of the type’s definition.

So you should do:

Source https://stackoverflow.com/questions/67968340

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

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You can download it from GitHub.

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