ANGE | The easy , fast , multiplatform and free GUI framework
kandi X-RAY | ANGE Summary
kandi X-RAY | ANGE Summary
The easy, fast, multiplatform and free GUI framework for C++ language! Library is compatibile with all popular compilers .
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QUESTION
I am learning C from Learn C the hard Way book. I was doing an exercise logfind according to which i need to create a program which will take some arguments. Than it will read a file(.logfind) which will have path to some other files. This program will simply search the arguments passed in the files which are given in ~./logfind. This is the explanation according to author
ANSWER
Answered 2022-Mar-21 at 09:17I was told to post an answer instead of prefixing [SOLVED] in question, So i am posting this answer
There were many erros in this code including some logical errors
- As suggested in comments the result array has 10 elements but loop is running 20 times. So in the updated code i changed the value to 10. Again as suggested in comments, one should use macros to define a value which is going to remain constant during the course of the program. There are few advantages of that approach - If you have to change array size you don't have to change the value everywhere, just change the value of the macro and you are good to go.
- In the non-working code: in function
read_filei have created a big stringvalueswhich will save the path of the file if there is any passed argument present in the file it will add that path in file. But for every file i am reading i am calling read_file again and again, which causes values to be declared again and again. So after every call of the function variablevaluesis distroyed so does the value stored in it (technically not distroying but getting allocated new memory for every call which also shows There is memory leak in the program). So i had to move thatvaluesin the functionpath. - In function
read_file: I have a assignmentresult[index] = paath. So by doing this i am not saving the string invalues(pointed by result[index]). I am saving the address given by paath variable not the value in it. So for every matched value result is saving the address pointed by paath variable. So results will have same address again and again. So the lesson is If you are trying to save a string in heap use strcpy or similar function, avoid using = (assignment operator) - Now the logical error: The target was to search for all the arguments in the files pointed by logfind. But my program is not doing that. although it will work fine with OR flag (-o/-O), it won't give correct result without OR flag. As it is considering that any argument passed will be present once in the file. So for
./logfind if and orit will print a file withifpresent 3 times. Better way to avoid this is to search for only single argument during one iteration of file. Don't compare each argument in single iteration.
Thanks everyone in question's comment section for helping me it would have been impossible to figure this out for me on my own
QUESTION
How can i add an arc where two 3D lines meet?
Known: Radius, P1, P2, P3.
what i need: Pa (arc start point3D), Pb (arc end Point3D), Pc (arc center point3D),
...ANSWER
Answered 2022-Mar-06 at 18:16Assuming the arc is circular (your image shows some curve not looking even as an Ellipse so its most likely just BEZIER)?
Anyway the arc will be in the same plane as P1,P2,P3 so you can use Basis vectors to convert the problem to 2D ... Or you can do it directly in 3D using vector math I see it like this:
displace your lines
P1P2andP2P3by radiusrinwardsSo you need a normal vector of the plane P1P2P3 for example:
QUESTION
I submitted all of my code below for a better understanding. The code is fine, my question is: How can I perfectly show multiple countries with their country name list? I mean: When I change the country name, then the flag image should be changed automatically, so users see the country name and image. I already put many links in my loadFlag() function in my js file, but this is not working. Please help me, how can i do it with my code? Thanks in advance and love from the top of my heart.
...ANSWER
Answered 2022-Mar-02 at 17:43You're loading country flags from flagcdn.com in which each png is named after a two-letter country code that you have in your country_code value.
You just need to update your loadFlag function to properly update the img tag's property values. See the working code snippet below.
QUESTION
While AWS Cloud9 (C9) IDE's Run[Alt+F5] option runs Python programs (py) twice faster then a competing compute engine, but C9 takes almost thrice longer to display output on C9's terminal, so the time advantage is lost.
However if I compile/run the same py on the C9's terminal using python[2-3] my_simple_program.py, it shows the output instantly, after compilation.
The problem is only when displaying outputs of Run[Alt+F5] option on C9's IDE, which I would prefer to use.
The py code:
ANSWER
Answered 2022-Jan-22 at 03:48I have resolved this timelag issue by using nodemon!
Now I have the amazing mix of C9 and blazing fast results too!
Woohoo!
QUESTION
I have a countryList array with the following structure:
...ANSWER
Answered 2022-Jan-20 at 15:25The way you have tried to set the selected city has some issues.
fromCity(formCities) state should be initialized to empty array.setFromCity(cities.cities)should besetFromCity(country.cities){city.cities}should be{city}
Try like below.
QUESTION
I am trying to use PyQt5 to show two widgets, the first one is a plot of sin, cos and tan function. I am using the pyqtgraph and used the code that was found in the answer of this question. I am also using another widget that draws a cube using PyOpenGL, by taking the example found in this link. I am trying to show this two widgets in one main widget, which is the main window. My approach is the following
- Take a main widget.
- In the main widget, use a QVBoxLayout()
- In the QVBoxLayout, at two widgets mentioned above
But when I am running the code, only the plot that is using the pyqtgraph is shown but not the cube that is drawn using PyOpenGL. After a little bit debugging, I was able to find out that the height of the cube widget is setting to 0 by default. I am not sure why this is hapenning. I tried calling glWidget.resize(640,480). But it didn't work. I am new on working with PyQt and PyOpenGL. I think I am missing some details that will allow the height of the glWidget to be greater than 0, if my assumption is correct. Also I am not sure if this is actually possible to do. My current code is given below, it is a little bit messy.
ANSWER
Answered 2021-Dec-15 at 21:30It seems that QGLWidget (which, by the way, is deprecated, and QOpenGLWidget should be used instead) doesn't implement sizeHint(), so it returns an invalid size (QSize(-1, -1)), which means that the widget can be possibly resized to a 0 width and/or height.
Since the plot widget has an expanding size policy (and dynamically reimplements sizeHint()) the result is that the gl widget is completely hidden, having 0 height.
A possible solution is to add the widgets with a proper stretch argument to the layout.
If you want both widgets to have the same height, you can do the following:
QUESTION
I am developping a website with vite which seem work like it should on localhost.
I deployed on Vercel and the site was build without errors.
But I discovered a big problem when I wanted to generate my sourcemaps. In fact, when I want to visit any page directly (.../about for example) vercel sends me a "404 not found" error. But when I go to the root page and navigate to the page manually everything is working.
Second time i visit the /about page directly, it works, but because it has been cached by my browser i think ...
hosting : vercel
base url: https://dev.energie-etre-ange.fr
404 example url : https://dev.energie-etre-ange.fr/about
used plugins :
- vite-plugin-pages
- vue-router (v4)
- vite-ssg
I can give the github link if needed, but i think this is mostly a vercel problem ? I found a linked problem on stackoverflow, but with React (link)
...ANSWER
Answered 2021-Dec-07 at 11:02Answer found here : https://stackoverflow.com/a/66686684/13541914
Credit goes to shantiscrip
Solution:
This is not a problem with vite.js but due to with a missing configuration file for vercel which is added by default to the existing templates. For a single page application the html files for the routes created with react router don't exist, so something on the server needs to create rewrites to make sure every request points at '/' or index.html. In Vercel this can be done by adding a rewrite to config file in the root of the project called
vercel.json
https://vercel.com/docs/configuration
Add rewrites for all routes to the file that point to '/'
QUESTION
I need help with the following program:
What I want to do is sorting a sales team after how many sales they have made (AntalSåldartiklar). The first one in the list is the one who has sold the least and in the end the one who has sold the most. The rest is in between. And yes I need to use Bubblesort. Had a few problems along the way but I think I fixed all of those. My problem now is that the program don't sort anything att all. Please explain how I can fix it like I am a little child. I am a complete newbie when it comes to programming
...ANSWER
Answered 2021-Nov-21 at 20:51Your sort algo compares "current vs previous" and then swaps "current vs next" - this is inconsistent. If you had an array of { 3, 1, 2 } and "current" was 1 (the middle one), you cannot compare 1 with 3 (prev), and then use it as a basis to decide 1 and 2 (next) should be swapped
QUESTION
I get the following error message on the line:
...ANSWER
Answered 2021-Nov-21 at 14:32You need to implement IComparable in Säljare. The way you implement it will control how the data will be sorted.
Here's an example that sorts by "Namn", then by "Personnummer", then by "Disktrikt" Then by "AntalSåldaArtiklar", all ASC and not case-sensitve.
QUESTION
On the PlantUML I'm getting syntax errror on the class diagams generated by dcdg on Flutter/Dart. First error is on line 66, how to fix them? Planttext.com or plantuml-editor.kkeisuke.com can be used to show the uml.
...ANSWER
Answered 2021-Nov-16 at 05:23Looks like the issue is caused by the fact that some strings are split over multiple lines (copy / past error or some automatic editor setting at 80(?) characters per line), i.e lines like:
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