glob | Go glob | File Utils library
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of glob
glob Key Features
glob Examples and Code Snippets
function findGlobs(cwd: string, patterns: Array) {
return globby(patterns, { cwd });
}
function matchGlobs(paths: Array, patterns: Array) {
return multimatch(paths, patterns);
}
Community Discussions
Trending Discussions on glob
QUESTION
I tried a camera calibration with python and opencv to find the camera matrix. I used the following code from this link
https://automaticaddison.com/how-to-perform-camera-calibration-using-opencv/
...ANSWER
Answered 2021-Sep-13 at 11:31Your misconception is about "focal length". It's an overloaded term.
- "focal length" (unit mm) in the optical part: it describes the distance between the lens plane and image/sensor plane
- "focal length" (unit pixels) in the camera matrix: it describes a scale factor for mapping the real world to a picture of a certain resolution
1750
may very well be correct, if you have a high resolution picture (Full HD or something).
The calculation goes:
f [pixels] = (focal length [mm]) / (pixel pitch [µm / pixel])
(take care of the units and prefixes, 1 mm = 1000 µm)
Example: a Pixel 4a phone, which has 1.40 µm pixel pitch and 4.38 mm focal length, has f = ~3128.57 (= fx = fy).
Another example: A Pixel 4a has a diagonal Field of View of approximately 77.7 degrees, and a resolution of 4032 x 3024 pixels, so that's 5040 pixels diagonally. You can calculate:
f = (5040 / 2) / tan(~77.7° / 2)
f = ~3128.6 [pixels]
And that calculation you can apply to arbitrary cameras for which you know the field of view and picture size. Use horizontal FoV and horizontal resolution if the diagonal resolution is ambiguous. That can happen if the sensor isn't 16:9 but the video you take from it is cropped to 16:9... assuming the crop only crops vertically, and leaves the horizontal alone.
Why don't you need the size of the chessboard squares in this code? Because it only calibrates the intrinsic parameters (camera matrix and distortion coefficients). Those don't depend on the distance to the board or any other object in the scene.
If you were to calibrate extrinsic parameters, i.e. the distance of cameras in a stereo setup, then you would need to give the size of the squares.
QUESTION
I'm currently learning how to create C extensions for Python so that I can call C/C++ code. I've been teaching myself with a few examples. I started with this guide and it was very helpful for getting up and running. All of the guides and examples I've found online only give C code where a single function is defined. I'm planning to access a C++ library with multiple functions from Python and so I decided the next logical step in learning would be to add more functions to the example.
However, when I do this, only the first function in the extension is accessible from Python. Here's the example that I've made for myself (for reference I'm working on Ubuntu 21):
The C code (with two functions: func1
and func2
, where func1
also depends on func2
) and header files:
ANSWER
Answered 2022-Mar-10 at 13:32Make export "C"
include both functions:
QUESTION
I'm trying to make a dash table based on input data but I'm stucking in add more rows to add new inputs. Actually I read this docs and I know that I can directly input in dash table but I want to update dash table from input.
Below is my code:
...ANSWER
Answered 2022-Feb-15 at 05:25tran Try to replace your callback with this callback:
QUESTION
in C# Winform, i'm sending an Image to the printer using the PrintDialog... using this code:
...ANSWER
Answered 2022-Feb-07 at 20:07It should be a case of swapping the PrintController
implementation from PrintControllerWithStatusDialog
(the default) to StandardPrintController
. See https://docs.microsoft.com/en-us/dotnet/api/system.drawing.printing.printdocument.printcontroller?view=dotnet-plat-ext-6.0#system-drawing-printing-printdocument-printcontroller
QUESTION
I'm working on a C++ project and I need Numpy like arrays and functionalities in C++. I found some alternatives like xtensor, NumCpp etc. These are header only libraries. The problem is I'm experimenting with Bazel for the first time so, I don't have any idea about how do I add header only library to Bazel workspace. There are some suggestions like genrule-environment, rules-foreign-cc suggested on other questions around Bazel. I've added http_archive to WORKSPACE file, but I'm not sure what to add in BUILD file.
WORKSPACE file
...ANSWER
Answered 2022-Feb-07 at 19:50For simple things like header-only libraries, I would write BUILD files yourself, without using rules_foreign_cc. Just write a cc_library
with no srcs
. Something like this:
QUESTION
I have a telegram bot and I want to send a message
in which the error message will be returned to me
my code is :
...ANSWER
Answered 2022-Jan-23 at 06:26Since Telegram has limit of 4096 chars per message, one way to work around will be to break your message down into 4096 chars and then send it, and repeat till the end.
You can begin with something like:
QUESTION
I'm trying to port some code from bash 5.1 to 4.2.46. One function which tries to strip color codes from a specifically formatted string stopped working.
This is a sample string text
in such format. I turn on extended globbing for this.
ANSWER
Answered 2022-Jan-05 at 02:29Seems like a bug in bash. By bisecting the available versions, I found that 4.2.53(1)-release was the last version with this bug. Version 4.3.0(1)-release fixed the problem.
The list of changes mentions a few bug fixes in this direction. Maybe it was one of below bugfixes:
WorkaroundThis document details the changes between this version, bash-4.3-alpha, and the previous version, bash-4.2-release.
[...]
zz. When using the pattern substitution word expansion, bash now runs the replacement string through quote removal, since it allows quotes in that string to act as escape characters. This is not backwards compatible, so it can be disabled by setting the bash compatibility mode to 4.2.
[...]
eee. Fixed a logic bug that caused extended globbing in a multibyte locale to cause failures when using the pattern substititution word expansions.
Instead of using parameter expansions with extglobs, use bash pattern matching with actual regexes (available in bash 3.0.0 and higher):
QUESTION
I am currently trying to add a feature to interrupt and resume training on a GAN created form this example code: https://machinelearningmastery.com/how-to-develop-an-auxiliary-classifier-gan-ac-gan-from-scratch-with-keras/
I managed to get it working in a way where I save the weights of the entire composite GAN in the summarize_performance function, which gets triggered every 10 epochs, like this:
...ANSWER
Answered 2021-Oct-26 at 07:18Maybe consider using tf.train.Checkpoint, if you would like to restore your entire GAN:
QUESTION
I'm trying to communicate with an OPC DA server and need to write in a tag which is in an array format. We can connect with a simulation server, read tags (int, real, array) and write tags (int, real, str). The problem comes when we need to write in an array tag. The developper of the OpenOPC library (Barry Barnreiter) recommand to use a VARIANT variable because OPC "expect to see a Windows VARIANT structure when writing complex objects such as arrays".
- I did install Pywin32 (build 217) as suggested here.
- I tried to send a simple integer instead of an array in a VARIANT structure.
Here's the code:
...ANSWER
Answered 2021-Dec-05 at 19:56You need to upgrade the python
to 3.9
and Pywin32
to Build 302
. In addition, you need to install the OpenOPC-Python3x 1.3.1
.
QUESTION
I am trying to make a library/package from my component.
Tech-stack is: React, Typescript... and a bunch of other dependencies.
I am using Rollup and when I try to build the package I get the following error:
[!] Error: 'DisplayHint' is not exported by ../node_modules/@bestowinc/enroll-sdk-core/build/lib/question-common.js, imported by ../src/utils/answerTypeConversions.ts https://rollupjs.org/guide/en/#error-name-is-not-exported-by-module
Rollup:
...ANSWER
Answered 2021-Dec-02 at 07:54Looks like DisplayHint
is a TS type/interface, not an exported JS value.
Rollup per se is a bundler not a TS language analyzer. It cannot tell if a named export is a concrete JS value or merely a non-existing TS type, thus the reported error.
Rollup plugin order matters. To resolve this specific problem, just lift the typescript
plugin up in order, at least before babel
. TS plugin, if put to work first, will correctly erase TS type from JS code output.
Update
I know another trick, but it’s a workaround-ish one. The trick is to use import type
syntax to explicitly mark DisplayHint
as a TS type.
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