ntype | visualizing 4th-dimension extrusions | Graphics library
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kandi X-RAY | ntype Summary
NType is a website for visualizing 4th-dimension extrusions of letterforms. It is rendered with WebGL and Three.js, and uses opentype.js to write and download open type files.
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QUESTION
For better optimization, I decided to use the RecycleView in one part of my program to hold a set of DownloadItem instances. The problem is that the class takes two arguments: path & url_type which I do not know how to pass to the data of the recylceview. As a result I get the error below:
...ANSWER
Answered 2021-Jun-14 at 01:06In order to use DownloadItem in your kv, it must have an __init__() with no required arguments. Here is a version that uses properties instead of required arguments:
QUESTION
I have two Strings
"TOP : Cotton + Embroidered ( 2 Mtr) \nBOTTOM : Cotton + Solid (2 Mtr) \nDUPATTA : Chiffon + Lace Work ( 2 Mtr) \nTYPE : Un Stitched\nCOLOUR : Multi Colour \nCONTAINS : 1 TOP WITH LINING 1 BOTTOM & 1 DUPATTA\nCountry of Origin: India"
and Second one is
"Top Fabric: Cotton Cambric + Top Length: 0-2.00\nBottom Fabric: Cotton Cambric + Bottom Length: 0-2.00\nDupatta Fabric: Nazneen + Dupatta Length: 0-2.00\nLining Fabric: Cotton Cambric\nType: Un Stitched\nPattern: Printed\nMultipack: 3 Top\nCountry of Origin: India"
I need to create python dictionary out of these two strings but with keys which are before colon
for example in string one keys would be
TOP,BOTTOM,DUPATTA,TYPE,COLOUR,CONTAINS,COUNTRY OF ORIGIN
and in second one
keys would be
Top Fabric,Bottom Fabric,Top Length,Bottom Length,Dupatta Fabric,Dupatta Length,Lining Fabric,Type,Pattern,Multipack,Country of Origin
So far i have used
...ANSWER
Answered 2021-Jun-10 at 11:40You might use a regex pattern that matches the part before the colon in group 1 and after the colon in group 2.
Then assert that after group 2, there is either another part starting with a + followed by : or the end of the string.
Then create a dictionary, stripping the group 1 and group 2 values.
QUESTION
I am following Ruslan Spivak's article series/tutorial "Let's Build A Simple Interpreter", which is a guide for building a simple Pascal interpreter in Python. I am trying to follow along in C. I'm stumped at the part about adding an Abstract Syntax Tree.
I have this header file:
...ANSWER
Answered 2021-Jun-08 at 00:40In Python, objects cannot contain other objects. An object in Python can only contain a reference to another object.
Thus, in Python, an object of class BinOp contains three references - self.left, self,right, and self.op. But it does not actually contain three objects.
In C, a struct can actually contain other structs. So an object (in C, the word "object" just means a region of memory interpreted to be of a particular type - not much like Python objects) of type struct binop will contain two objects of type struct node as well as one of type token.
In C, all types must have a size. Let's find some lower bounds on size (these are only lower bounds because we must take padding into account).
sizeof(struct binop) >= sizeof(struct node) + sizeof(token) + sizeof(struct node)
sizeof(struct node) >= sizeof(union nvalue) + sizeof(enum ntype)
sizeof(union nvalue) >= min(sizeof(struct binop), sizeof(struct numnode)) >= sizeof(struct binop)
So we know that sizeof(struct binop) >= sizeof(struct node) + sizeof(token) + sizeof(struct node) > sizeof(struct node) >= sizeof(union nvalue) >= sizeof(struct binop).
Therefore, sizeof(struct binop) > sizeof(struct binop).
This is a problem, as a number cannot be greater than itself. So C cannot compile this code for you because it doesn't know how big a struct binop should be.
In fact, any time a struct contains itself in this way, with no pointers, this is going to cause a serious issue.
The good news is that we can break the cycle by redefining
QUESTION
I'm facing some problems with this code.. I moved my widget "ComponentsHistoriqueDeployment" to a statefulwidget with initState() to solve some problem on focus that were rebuilding each time the widget. So actually the data is fetched the first time, but it doesn't change when i tape something in searchbar "Sélectionnez le composant" or by changing the datePicker.
I don't understand why...
This is the parent :
...ANSWER
Answered 2021-May-30 at 20:55That's expected behaviour: initState() is only called once during widget initialization. Even though properties change their value, State object is not recreated, hence getGroupsList() is not called.
What I would recommend you to do in this case is to move the getGroupsList() up to _HistoriquePageState widget and call it on search value or date range change. Then, instead of passing searchedValue and dateRange properties to ComponentsHistoriqueDeployment, pass the listOfGroups value.
This way, you ensure that getGroupsList() is called every single time as well as the UI is updated.
QUESTION
I'm writing a program that allows the users to create a custom playlist. I have currently gotten all inputs, assigned them values and placed them in an object.
However, when I try to append this object to an ArrayObject, it only appends int duration, and upon output, it simply prints
Duration: X (with X being the value inputted by the user).
What am I doing wrong here?
...ANSWER
Answered 2021-May-29 at 20:17Declare songPlaylist as a class level variable.
QUESTION
Problem:
When I try to "reuse" so-to-speak a getIntent() with extra values by passing data to it from a second activity, the extra values return null. So I want to pass NoteAdapter Intent Extras to the ViewNote class and I also want to pass EditNote Intent Extras to the ViewNote class using the same string keys.
Something like this: User chooses note > User Views Note > User Edits Note > User Views Note corrected.
What works:
Based upon a user selection of a RecyclerView list of notes, the chosen note through a NoteAdapter has extra details passed to an Intent to a ViewNote class which in turn has a Intent n = getIntent() which these extras are received. Note details are loaded into the ViewNote activity. If the user decides this note needs corrected or updated, then the ViewNote class has an Intent that passes extras to the EditNote class. This all works great!
What doesn't work and What I'm trying to do:
I'm not sure whether this is allowed or can be done but I'm trying to pass extras back to the ViewNote class from the EditNote class using the same Intent n = getIntent() in the ViewNote class used earlier when a note was passed to it.
The ViewNote class getIntent():
ANSWER
Answered 2021-May-11 at 13:19The solution was exactly what David Wasser posted in the initial comments above. I needed to use the startActivityForResult and follow the guidelines on how to do so. I did review the Android Development links and other examples online, but this video helped:
Android startActivityForResult Tutorial
These are the code segments in sequence:
ViewNote
QUESTION
Code:
...ANSWER
Answered 2021-Apr-28 at 12:39You have forgotten to add the type of the exception to excpect while running the code inside the try-except block.
This should fix it:
QUESTION
I am trying to consult the basic information of a BMP. For that, I built a struct for the file header and another for the image header. Referring to a BMP table of values (http://www.dragonwins.com/domains/getteched/bmp/bmpfileformat.htm), I read the values and validated as specified. However, only the bfType is read correctly and other values are filled in with wrong information. On my computer, sizeof(int) = 4
Structs:
...ANSWER
Answered 2021-Apr-10 at 15:48Structure packing and alignment padding are implementation defined, and byte order is platform defined.
If the byte order for your platform is the same as that defined for BMP (little-endian) then you can use whatever compiler extensions your toolchain supports for structure packing. For example in GCC:
QUESTION
I am having a problem, here with a program that is meant to be a data entry routine, the problem in question, is the variable c that goes to the capac function to ask the user for the maximum capacity of the string, when it reaches the 3rd cycle of the for it starts to grow god knows how, making my for, something unusable.
...ANSWER
Answered 2021-Apr-03 at 20:44@Someprogrammerdude nailed it. vector[] = { '\0' } means that vector is an array of length 1. As you write to vector after position 0 you end up with undefined behavior (i.e. overwriting c somehow). Here is the minimal fix:
QUESTION
I am struggling with how to take user input in a child class and then pass values for health based on that user input of enemy type.
class Player:
...ANSWER
Answered 2021-Mar-28 at 14:28calling a field type is going to cause problems and self is missing from the enemyhealth method.
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