diversion | correct semantic version for your .NET library | Messaging library
kandi X-RAY | diversion Summary
kandi X-RAY | diversion Summary
Determine the correct semantic version for your .NET library based on its diversion from its last release.
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QUESTION
ANSWER
Answered 2021-May-16 at 16:35Getting the center point of a line
QUESTION
I am attempting to add a column to my dataframe that lists the hydrological water year for each sample. A water year is defined as October 1st of the previous calendar year through September 31st. For example, WY 2014 starts 10/1/2013 and ends 9/31/2014.
I found a similar question that was answered here, and the following code was given as a solution:
...ANSWER
Answered 2021-Apr-16 at 21:02You're writing the function (a closure) to NN_Loads_Calculation$wtr_yr
, rather than the vectorised output of the function.
Because the function has a length of one (ie. there's only one function), R tries to repeat it so that it's a vector of functions that's the same length as a column in your data frame. You can't run rep()
on a closure
, so that's where the code crashes.
You need to define your function then use it to calculate the new value:
QUESTION
I have a very large excel file of 1000+ street intersections that I need to find the Longitude and latitudes for and then write that info to file/list for a different program to consume.
What I'm stuck on is on how to build a more efficient script using multithreading/multiprocessing, I have looked through other questions/post but I'm i find it all a bit confusing. The code below takes roughly ~ 10+ mins. Any help would be great.
...ANSWER
Answered 2021-Apr-09 at 21:57The problem does not comes from Pandas but ArcGIS().geocode(address)
which is insanely slow. Indeed, on my machine, this line takes 400 ms/request. Each request send a slow network query to the online ArcGIS API. Using multiprocessing will not help much as you will quickly reach additional limitations (limited rate of API request, saturation of the website). You need to send batch requests. Unfortunately this does not seems supported by the geopy
package. If you are tied to ArcGIS, you need to use their own API. You can find more information about how to do that on the ArcGIS documentation.
QUESTION
I have a relatively large dataset of ~ 5k rows containing titles of journal/research papers. Here is a small sample of the dataset:
...ANSWER
Answered 2021-Mar-23 at 02:31This isn't base r nor data.table, but here's one way using tidyverse to detect duplicates:
QUESTION
Currently I have a program that request JSONS from specific API. The creators of the API have claimed this data is in GeoJSON but QGIS cannot read it.
So I want to extend my Python Script to converting the JSON to GEOJSON in a readable format to get into QGIS and process it further there.
However, I have a few problems, one I do not know where to start and How the JSON files are constructed...its kind of mess. The JSONS were actually maded based on two API Get Request. One Api Get Request request the Points and the second one requests the details of the points. See this question here for some more context: API Request within another API request (Same API) in Python
Note because of character limit I cannot post the code here:
These details are of course supposed to be "the contours" of the area surrounding these points. The thing is..the point itself is mentioned in the JSON, making it kind of hard to specify what coordinate is for each point. Not to mention all other attributes that are intresting to us, are in the "point" part of the GeoJSON.
Take a look at the JSON itself to see what I mean:
...ANSWER
Answered 2021-Feb-23 at 08:16You can create another function and pass the data to it.
QUESTION
Attempt
After reading a large json file and capturing only the 'text'
column, I would like to add a column to dataframe and set all rows to a specific value:
ANSWER
Answered 2021-Feb-19 at 04:23The problem is that your read_json(....).text
line returns a series, not a dataframe.
Adding a .to_frame()
and referencing the column in the following line should fix it:
QUESTION
I currently have made a python program, request JSON data from an API. Now here is the thing though this JSON actually contains other request Urls to get extra data from that object.
...ANSWER
Answered 2021-Feb-11 at 12:40You can make you of functions in this case.
Your first function can simply fetch the list of the points. Your second function can simply fetch the data of details.
QUESTION
I have PDF form, I am trying to fill it with PDFBOX. It works, form is filled and I open with other reader or browser, I can see values, however When I tries to open in Adobe Reader values disappears, I tried every possible way to find out why But values, are not visible.
I have template form, that I use and fill data, rename fields, and merge it into other document, and redo that process until all forms are filled up.
I am not sure if this related to my code or Adobe reader.
Link to PDF form I need to fill
here is my code to populate form.
...ANSWER
Answered 2021-Jan-22 at 03:37The page /AA/O
entry ("An action that shall be performed when the page is opened") has this:
QUESTION
[EDITED]
It is a general question: I have seen some posts saying that it is not a good idea to use foreach and write.csv inside a foreach loop due to different cores trying to write in the file at the same time, resulting in missing results. Still, I need to write in an external file inside the parallel loop to get my output (500000+ rows and 10+ columns). Otherwise, it crushes for memory issues. So, I would like to know if there is a more safe way to write a result file within a foreach loop. I appreciate any help on this
I am adding some more info and a much more simple code and data than what I actually have.
Description: I have two different polygons layers (sf, polygon), each with 500000+ sf. I need to calculate the area of different raster classes (1 raster layer with 3 classes) within each one of the polygons. This is the most time-consuming part of the script, specifically because I need to use sf::sf_intersection multiple times. Then, I use many different combinations of if-else and rules to populate a df with values and rules.
This is the original code, which I get memory issues with the original data:
...ANSWER
Answered 2020-Aug-24 at 18:12The problem here is, that you need communication between the cores. One core has to wait for the next one until it's finished writing in the csv. That's not easily done and not possible with foreach
as far as I now. foreach
does provide this method with the variable inorder
(by default true). You are telling us, you got memory issues. So one solution is to chunk up your output if it's possible. I do not have a good dataset for this example, so I use mtcars which will be filled by NA
s
QUESTION
I'm having a problem where my bootstrap code works on JSFiddle but not on my localhost browser. Below is the code. The problem arises in the Navigation Tabs HREF!
I am taking a coursera course and the instructor runs the same code easily but I'm getting the problem with the same code, I've tried 1000 many ways but doesn't work also I've tried to check the script and links but no progress.
...ANSWER
Answered 2020-Aug-25 at 15:16Try using a cdn.
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