frst | Implementation of Fast radial symmetry transform with OpenCV | Computer Vision library
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Implementation of Fast radial symmetry transform with OpenCV
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QUESTION
I am new to python. I am trying to convert this json to pandas df.
...ANSWER
Answered 2021-Apr-27 at 04:30Assuming you want each field in the dictionaries to be a column you could do the following
QUESTION
I'm trying to get the unique characters count that are between the first and last letter of a word. For example: if I type Yellow the expected output is Y3w, if I type People the output should be P4e and if I type Money the output should be M3y. This is what I tried:
...ANSWER
Answered 2021-Mar-26 at 20:54Here's an implementation that uses Linq:
QUESTION
Hello,
It is frst time I am using React Native you could say and trying to use the WebView from the react-native-webview library. Inside the WebView I have a iframe tag that I want it to strect out like the mobile version in the website. The result ends with really small frame or zoomed out frame. Check the picture below.
I am trying to make it look like this from their website:
Here is the source code when the frame is small:
...ANSWER
Answered 2021-Mar-13 at 11:58I can't believe myself, instead of sending in a tag to WebView, I should have only given it the link to the website.
QUESTION
I have this problem with variable fonts and was wondering if someone has an idea for a solution. I have built this poster-generator, using variable fonts, where you can manipulate the font-variation-settings on two axes. Here is a live example http://automat.markjulienhahn.de
Now I am trying to download the result via html2canvas. Unfortunately it seems like canvas-objects do not support variable fonts, so the canvas-object can only show one state of the font and the fontVariationSettings don't have any effect.
This is how I pull the canvas element:
...ANSWER
Answered 2021-Jan-13 at 08:18Unfortunately you are right, we can't at the moment use variable-fonts in a canvas directly. So this makes the canvas renderer of html2canvas unable to render that correctly.
New versions of html2canvas come with a foreignObjectRenderer
, which uses the ability of the canvas API to draw SVG images, combined with the ability of SVG to contain HTML elements in a .
This is indeed the only current solution we have to draw variable-fonts on a canvas, however for this to work the font needs to be embedded inside the svg document that will be drawn on the canvas. And this, html2canvas doesn't do it for us (and even though I didn't checked recently I don't think other solutions like DOM2image does that either).
So we'll have to do it ourselves.
- First we need to fetch the font file (woff2) and encode it to a
data://
URL so it can live in a standalone svg file. - Then we'll build the
element with a copy of our elements and their required computed styles.
- Finally we'll build the svg image with the
and a
QUESTION
I have a table with few columns and I am trying to concatenate the code column with rank. But it throws me an error by saying code not found, this is in the concatenation I am doing with rank and code. The code column is a calculated column as you can see from the query. Could anyone please point me where I am doing a mistake?
...ANSWER
Answered 2020-Oct-27 at 10:49You can't use CODE
like that; it is a constant so - concatenate that constant, e.g.
QUESTION
My table :
...ANSWER
Answered 2020-Oct-23 at 11:19Use conditional aggregation here. We can first generate the quarter column in a CTE, then aggregate by year and quarter to get the sums.
QUESTION
I want to make a time tracking utility in C# to make a rough estimate of per-developer time poured into a versioned project, so far this is my strategy:
- iterate all commits in master
- identify commit clusters within X minutes of each other
- get time delta between frst and last commit in each cluster and compute "code speed" using change size
- based on average "code speed" times change size I estimate the amount of time spent doing isolated commits
- everything is summed and listed
This is not a full solution but one idea I wanted to develop to get an initial estimate of spent time given a pre-existing repository and seed a proper time tracking tool with it.
The core of the question is how can I interface my program with the git repository in order to get the commit data for the current/master branch? Is spawning a shell and piping the result to c# the only possibility? aka how do i get the info by reading the filesystem myself ?
...ANSWER
Answered 2020-Oct-16 at 23:25Reading filesystem would require understanding how git structures its database in the files. That is overkill IMO for the task you want to do. I'd suggest some library like libgit2sharp that exposes git methods which you can use to perform your iterations.
QUESTION
I have 2 snippets which are giving me different outputs. The first snippet gives me the desired output but I want to replicate the same output with the 2nd snippet.
Snippet 1:
...ANSWER
Answered 2020-Oct-05 at 13:48I think just convert those lists to series and append should do it.
Code:
QUESTION
im using provider and change notifier, the problem is when i change the state and notifiy listeners in the same file the user interface is updated, but when i try to access the same data from the model in another screen it still keeps the original or first version and not the updated version, the class in the other file is even using change notifier provider and a consumer just as the file with the modal class inside but is not changing the value, its only keeping the initial value, the second file only has changenotifierprovider and consumer, but it only displays the initial not the updated but the first file with the model class, and change notifier function is displaying the updated version in its widgets
And this is my second screen, which only displays the intial states even after they are updated in the frst screen
...ANSWER
Answered 2020-Sep-28 at 22:08in your second screen you're using
QUESTION
There is a file with following text:
...ANSWER
Answered 2020-Sep-17 at 20:33You have not used -r
nor -E
option, so you tell sed
to parse the regex pattern as a POSIX BRE expression. In GNU sed
, in a POSIX BRE expression, \+
is a quantifier matching 1 or more occurrences of the quantified pattern. Run sed -e 's/\-std\=gnu\+\+17/\-std=c\+\+17 \-std=gnu\+\+17/g' <<< '-std=gnuuuu17'
and the result will be -std=c++17 -std=gnu++17
. To match +
, you just need to use +
.
Note you overescaped a lot of chars and your command is unnecessarily long because you repeated the pattern in both the LHS and RHS.
You may use the following POSIX BRE sed
command with GNU sed
:
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