psx | innovative PHP framework dedicated to build | REST library
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kandi X-RAY | psx Summary
PSX is an innovative PHP framework dedicated to build fully typed REST APIs.
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QUESTION
I have a dataframe with ticker names and IDs, from here I have to first select the sector name and then the symbol both of which I'm nest looping through, then I'm brute forcing through the dataframe tickers to match with the resulting table that pops up.
...ANSWER
Answered 2022-Apr-16 at 09:34You can target addressbookdata
id since it's unique in HTML and then call the get_attribute
to capture the innerText
Code:
QUESTION
I am trying to create a radar chart in chart js but the issue is chart is starting from 1 and ending at 12 because the min value is 1 and max value is 12, what I want is to set the default valueof 0 and 15.
...ANSWER
Answered 2022-Mar-29 at 09:21The radar chart is using the radial scale by default. So changing y to r will solve your issue:
QUESTION
I want to import a numerical value from this website to this spreadsheet. I want to import LDCP (last day closing price) in cell B2.
...ANSWER
Answered 2022-Feb-28 at 09:07In your situation, how about the following sample formula?
Sample formula:QUESTION
I have a database of stocks from all countries. I want to call data on ticker basis from a specific stock exchange or country because some tickers are same from different countries like AMZN from NASDAQ or BMV or WBAG exchanges, the data is not showing properly. What should I do in order the data is properly displayed against a specific country dynamically?
...ANSWER
Answered 2021-Sep-04 at 07:35Add another route with the country and add that to the query.
QUESTION
I am trying to scrape some data from a website, but I only need a specific value from the website to be shown in Google Sheets.
Now what I am trying is to use the IMPORTXML
function.
The website that I am trying to get data is https://dps.psx.com.pk/company/TRG I need the price specifically i.e. Rs. 172 (or whatever it may be at a certain time) - I need only the price but if currency is showing up e.g. Rs.172 that would be fine as well
So far I am trying this and it only returns #N/A
...ANSWER
Answered 2021-Jun-08 at 07:43When I saw the image of the HTML, it seems that the value you want is put in the tag of div
. So how about the following modification?
QUESTION
The problem
When I search my sqlite database for a list of albums with the name "Batman" it gives me a list of tracks with "Batman" instead.
I have a Table called "tracks" with the columns: title
, album
, comment
, genre
, artist
, composer
, year
Here is the code:
...ANSWER
Answered 2021-Mar-24 at 09:05I figured out my own answer! You need to use the DISTINCT
statement to return unqie values:
connectioncursor.execute("SELECT DISTINCT album FROM tracks WHERE album LIKE ?", ('%' +name+ '%',) )
QUESTION
could you help me to solve the following task, please?
My dataframe has the following content:
1 BEN 2 BIIB 3 BMY 4 COG 5 GPS 6 HAL 7 IPG 8 LLY 9 LOW 10 LUV 11 MRK 12 PSX 13 RMD 14 ROP 15 STT 16 UAA
I would like to save the dataframe df as a txt file. But I need the txt output in the following format (separated by commas): BEN,BIIB,BMY,COG,GPS,HAL,IPG,LLY,LOW,LUV,MRK,PSX,RMD,ROP,STT,UAA
I tried to use:
...ANSWER
Answered 2021-Jan-12 at 12:39If df
is Series
join values by ,
and write to file:
QUESTION
sorry for the messy title but I can't come up with something that really describes what's happening here. So I'm making a program that fetches .cue files for Playstation 1 roms. To do this, the program creates a SHA-1 hash of the file and checks it in a database. The database can be found in the "psx.hash" file in this repo. This has been working fine but I suddenly stumbled upon a very very nasty problem. There's plenty of files that have the same hash, because they are essentially the same file.
Let me break down the problem a bit. PSX roms are essentially cd files, and they can come in tracks. These tracks usually contain audio, and the .cue file is used to tell the emulator where each audio track is located [in the disc file]. So what I do is to identify each and every track file (based on their SHA-1 hash), see if they match the database, and then construct a link based on their name (minus the track text) to get to the original cue file. Then I read the text and add it to the cue, simple as that. Well, apparently many games use the same track for some reason? Exactly 175 of them
So... what can I do to difentiate them? This leads to the problem that I fetch the wrong cue file whenever this hash comes into play. This is the hash by the way: "d9f92af296360772e62caa4cb276de3fa74f5538". I tried other algorithms to see if it was just an extremely unlikely coincidence, but nope, all gave the same results. SHA-256 gave the same result, CRC gave the same result, MD5 gave the same result (by the same result I mean the same between files, of course the results of different algorithms for the same file will be different). So I don't know what to do. This is a giant bug in my program that I have no idea on how to fix, any insight is welcome. I'm afraid I explained myself poorly, if so, I apologize, but I have a hard time seeing where I may not be clear enough, so if you have any doubts please, do ask.
It's worth noting that the database was not constructed by myself, but by redump.org, also, here's the code I'm using to retrieve the hashes of the files:
...ANSWER
Answered 2020-Dec-13 at 21:02The correct solution would be to construct the hash file in such a way that I can differentiate between track files for each game, but I ended up doing the following:
- Sort the list of Tracks to have them ordered.
- Get the first track file and retrieve the hash (this one will always be unique since it contains the game)
- For every next track file that isn't
Track 1
, assume it belongs to the game before it. So if the next file isTrack 2
, assume it belongs to the previous file that hadTrack 1
.
This nicely avoids the issue, although it's circumventing the bigger problem of not having properly formatted data.
QUESTION
The criteria to delete an element from the vector is defined as a lambda function as its not used anywhere else. Now if delete_data is executed periodically, it must be creating new instances of lambda every time. How can we make its performance better:
Instead of defining criteria as lambda, defining it as inline function outside the delete_data().
By making lambda as static.
How can we inline block level lambda to improve performance?
...
ANSWER
Answered 2020-Sep-23 at 11:40Your first two options are not correct, and the last option is not necessary. let us analyze them step by step.
Instead of defining criteria as lambda, defining it as inline function outside the delete_data().
The third parameter of find_if
is required to be a callable object which has only one parameter that accepts these elements in the range, that means, if you define a function, only one parameter of the element's type is permitted. you couldn't acquire id
within that function you defined.
By making lambda as static.
That will make a mistake. In other words, the value of id
will never be changed within the lambda's compound-statement. Because of the following rules:
Dynamic initialization of a block-scope variable with static storage duration or thread storage duration is performed the first time control passes through its declaration; such a variable is considered initialized upon the completion of its initialization. If the initialization exits by throwing an exception, the initialization is not complete, so it will be tried again the next time control enters the declaration.
Simply speaking, the initialization for the object delete_criteria
only be executed once. Reenters the function delete_data
, the closure type object delete_criteria
still remain the original value. I.E, the value of id
always be as same as that the function delete_criteria
first executed. So, it's a bug to your program.
Well, Consider the last option in your question
How can we inline block level lambda to improve performance?
No necessary. Because the function call operator of a closure type is public inline itselft, as said here.
The closure type for a non-generic lambda-expression has a public inline function call operator whose parameters and return type are described by the lambda-expression's parameter-declaration-clause and trailing-return-type respectively. For a generic lambda, the closure type has a public inline function call operator member template whose template-parameter-list consists of one invented type template-parameter for each occurrence of auto in the lambda's parameter-declaration-clause, in order of appearance.
I think what you only need to change here is that, change =
in the lambda-expression to &
or &id
. This change will avoid the lambda-expression caputure the variable id
by copy, conversely by reference. This change will also make the closure type be a literal type. Even though the initialization for delete_criteria
be evaluated every time the function delete_data
enters, It does not cost too much for such an initialization.
QUESTION
I need some help. I need to download financial statements that are located in PDF files to my MAC using Python. I've tried this using Selenium but unfortunately haven't been able to make progress.
Following is the URL: psx
When I load this URL, the page looks like so:
you see the dropdown on the left "Company Name...", I need to select a company name there. Which, I can select using following code:
...ANSWER
Answered 2020-Jul-03 at 16:53You can to do this way
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