vitesse | 🏕 Opinionated Vite + Vue Starter Template | Plugin library
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QUESTION
I try to display an image on a php page in js, knowing that my image via an input file. here is my code:
...ANSWER
Answered 2022-Mar-26 at 20:54you're passing an HTML element instead of a file. To get the file, use .files
property, which behaves like an Array
, so you can iterate it. see: https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/file#getting_information_on_selected_files
try this:
QUESTION
i tried to get many graphs in one plot in different colors but only one color shown in all the graphs, and all the graphs return to 0 at the last value except the last graph, and I also tried to make the color attribute for example plt.plot(x,y,color='r')
but same output
this is my code
ANSWER
Answered 2022-Mar-03 at 17:09Since you are not resetting data_t
and data
in the loop, at the end, you are plotting one super graph and it is the same for all of them. So the first channel is on top of the rest that you are not seeing them.
QUESTION
I would like to add a suffix to strings in one column when a condition is met in another column. If a value is present in "Market" column, "Symbol" column corresponding value is updated to include current ticker but I would like to add a suffix to it representing its market place. I guess I could create multiple masks and change multiple values with multiple lines of codes for each value but I was wondering if there exist a more elegant way of doing this in one operation.
This is what I tried :
conditions = [ (df['Market'].str.contains("Oslo")), (df['Market'].str.contains("Paris")), (df['Market'].str.contains("Amsterdam")), (df['Market'].str.contains("Brussels")), (df['Market'].str.contains("Dublin")) ] values = [str+'.OL', str+'.PA', str+'.AS', str+'.BR', str+'.IR'] df['Symbol'] = np.select(conditions, values) print(df)
I get an error :
unsupported operand type(s) for +: 'type' and 'str'
any help welcome
added after KingOtto's answer...
the data frame :
ANSWER
Answered 2022-Feb-16 at 12:25You need to proceed in 3 steps
You need to define an exhaustive suffix_list - a dictionary that holds information only once for each market
suffix_list = pd.DataFrame({'Market': ['Oslo', 'Paris'], 'suffix':['OL','PA']})
You want to merge the
suffix_list
into your existing dataframe as a new column - one command for all markets (for each market that has a suffix in the list, you add that suffix):pd.merge(df, suffix_list, how='left', on='Market')
Now that you have the 2 columns
'value'
and'suffix'
next to each other for all rows, you can apply 1 single operation for all rowsstr('value')+'suffix'
QUESTION
I have this error when I touch a wall to change scene:
Cannot read properties of undefined (reading 'start')
I tried several techniques but none worked, yet I have no other errors and my code is quite simple and I don't understand why it doesn't work... Here is my code:
...ANSWER
Answered 2022-Feb-15 at 13:01The problem is this line:
QUESTION
I have this error "Uncaught TypeError: Cannot read properties of undefined (reading '_currentQuest') main.js:67
I tri to change my code but all time i already have this error...
If someone help me that will be great. Idk what can i change in my code because i see tutorial and i write like the tuto / answer
...ANSWER
Answered 2022-Feb-14 at 16:03There are several points to fix:
the is mixture of global variables and property, choose one an stick to it.
- simple solution replace all
this.player
withplayer
- simple solution replace all
define the player variable before starting the quest. (since the quest tries to access the
player
variable)- simple solution move the
player
definition ontop on the quest definitionthis.plugins.get('rexquestplugin')
.
- simple solution move the
The variable
Connor
is not defined- simple solution add
var Connor;
to your code
- simple solution add
Here you can see this changes implemented:
QUESTION
I am using the code below to produce following result in Python and I want equivalent for this code on R.
here N
is the column of dataframe data
. CN
column is calculated from values of column N
with a specific pattern and it gives me following result in python.
ANSWER
Answered 2022-Feb-14 at 11:37A one line cumsum
trick solves it.
QUESTION
I search and I don't find anything to do quest in Phaser3. I want to do a quest like (it's example).
Go talk to 'Jerry'.
Take a sword and give it to 'Jerry'.
When you finish to talk it unlock a door or other, but I need to know how can I check if he talk to the PNJ and how to set a quest simply
I found rexquestplugin but I do'nt know how to use it and there is no website or other it talk about RexQuest
My code for now if you need to know something about the game:
...ANSWER
Answered 2022-Feb-07 at 12:20I never really used rexquestplugin
, but is sounded interesting so I checked it out.
Here the Documentation (it is not detailed, but might help clear up the code below)
The Demo on the Documentation Site helped me to understand the usage better, but it is not very clear.
So I wrote a small demo app, to answer the question "how would I solve your question, with the plugin?"
(btw.: You can execute the snippet below)
QUESTION
I want to parse a PDF in Python. Currently I'm using PyPDF2.pdf.PageObject.extractText()
, but the text is "all in one". In the file the text is in an array, so what can I do to separate each cell's content ?
ANSWER
Answered 2022-Jan-26 at 13:25Using pdftotext
, I can get the text content of the PDF file :
QUESTION
I have created a particle emitter class with WebGL/JS and it works fine with one instanciation. The problem is when I try to create 2 instances of this object. I get an error message from the GPU : WebGL: INVALID_OPERATION: uniform1f: location not for current program
So, I know that it is a problem with the shader program link : One program per uniform location. But after many searches on the subject, I can't get a solution. I'm not enough familiar with the concept of uniform location and attributes buffer to understand the bug.
Here is the code of my class. The two instanciation are at the beginning of the code. https://codepen.io/stephanemill/pen/KKXQJqG
What you are seeing :
- the first emitter starts
- after 500ms, the second emitter starts, and then,
-
- stop the execution of the first emitter,
-
- throw the error message
ANSWER
Answered 2021-Dec-30 at 18:11You're (unnecessarily) creating two shader programs, one with each instantiation but you only call useProgram
in your initProgram
method, however calling useProgram
sets a global state on the rendering context (which in both instances is the same as it's requested from the same canvas) causing the program to remain bound until changed. Thus when you render with your first emitter it tries to render with the shader program of the second emitter (once that one's created). You need to select the program you want to render with every time you're rendering, so call useProgram
in your render
method.
QUESTION
I'm quite new here and I am tinkering with MYSQL to get a sort of pivot table.
For now I'm blocked here :
...ANSWER
Answered 2021-Dec-15 at 15:42I am not sure if anything is wrong with your code... Are you saying you are missing "91-180" and "271"360"? Are you sure you have rows that match that range in your subquery?
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