ox | Ruby Optimized XML Parser
kandi X-RAY | ox Summary
kandi X-RAY | ox Summary
Optimized XML (Ox), as the name implies was written to provide speed optimized XML and now HTML handling. It was designed to be an alternative to Nokogiri and other Ruby XML parsers in generic XML parsing and as an alternative to Marshal for Object serialization. Unlike some other Ruby XML parsers, Ox is self contained. Ox uses nothing other than standard C libraries so version issues with libXml are not an issue. Marshal uses a binary format for serializing Objects. That binary format changes with releases making Marshal dumped Object incompatible between some versions. The use of a binary format make debugging message streams or file contents next to impossible unless the same version of Ruby and only Ruby is used for inspecting the serialize Object. Ox on the other hand uses human readable XML. Ox also includes options that allow strict, tolerant, or a mode that automatically defines missing classes. It is possible to write an XML serialization gem with Nokogiri or other XML parsers but writing such a package in Ruby results in a module significantly slower than Marshal. This is what triggered the start of Ox development. Ox handles XML documents in three ways. It is a generic XML parser and writer, a fast Object / XML marshaller, and a stream SAX parser. Ox was written for speed as a replacement for Nokogiri, Ruby LibXML, and for Marshal. As an XML parser it is 2 or more times faster than Nokogiri and as a generic XML writer it is as much as 20 times faster than Nokogiri. Of course different files may result in slightly different times. As an Object serializer Ox is up to 6 times faster than the standard Ruby Marshal.dump() and up to 3 times faster than Marshal.load(). The SAX like stream parser is 40 times faster than Nokogiri and more than 13 times faster than LibXML when validating a file with minimal Ruby callbacks. Unlike Nokogiri and LibXML, Ox can be tuned to use only the SAX callbacks that are of interest to the caller. (See the perf_sax.rb file for an example.). Ox is compatible with Ruby 2.3, 2.4, 2.5, 2.6, 2.7, 3.0.
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QUESTION
I have a dataset with the name of Danish ministers and their position from 1990 to 2020 (data comes from dataset called WhoGovern; https://politicscentre.nuffield.ox.ac.uk/whogov-dataset/). The dataset consists of the ministers name, the ministers position, the prestige of that position, and the year in which the minister had that given position.
My problem is that some ministers are counted twice in the same year (i.e., the rows aren't unique in terms of name and year). See the example in the picture below, where "Bertel Haarder" was both Minister of Health and Minister of Interior Affairs in 2010 and 2021.
I want to create a dataset, where all the rows are unique combinations of name and year. However, I do not want to remove any information from the dataset. Instead, I want to use the information in the prestige column to combine the duplicated rows into one. The observations with the highest prestige should be the main observations, where the other information should be added in a new column, e.g., position2 and prestige2. In the example with Bertel Haarder the data should look like this:
(PS: Sorry for bad presenting of the tables, but didn't know how to create a nice looking table...)
Here's the dataset for creating a reproducible example with observations from 2010-2020:
...ANSWER
Answered 2021-Jun-08 at 14:04Reshape the data to wide format twice, once for position and the other for prestige_1, and join the two results.
QUESTION
I use box spout to export excel file. Version box spout : 3.3. I use $writer->openToBrowser($linkFile); let it download automatically, but it doesn't download,
error like this
ANSWER
Answered 2021-Jun-15 at 04:30I create a variable that points to that saved file. And use js to open the link. And it downloads itself.
QUESTION
I'm trying to get the Python package OSMnx running on my Windows10 machine. I'm still new to python so struggling with the basics. I've followed the instructions here https://osmnx.readthedocs.io/en/stable/ and have successfully created a new conda environment for it to run in. The installation seems to have gone ok. However, as soon as I try and import it, I get the following error
...ANSWER
Answered 2021-Apr-28 at 10:07The module fractions is part of the Python standard library. There used to be a function gcd, which, as the linked documentation says, is:
Deprecated since version 3.5: Use
math.gcd()instead.
Since the function gcd was removed from the module fractions in Python 3.9, it seems that the question uses Python 3.9, not Python 3.7.6 as the question notes, because that Python version still had fractions.gcd.
The error is raised by networkx. Upgrading to the latest version of networkx is expected to avoid this issue:
QUESTION
I want to re-format the text below using Python 3
...ANSWER
Answered 2021-Jun-04 at 05:29text ="""alif
: the letter a [Sem ’-l-p (ox), Heb alef]
alifa
: be trusted, accustomed, tame
alima
: feel pain
"""
print(text.replace('\n:',''))
output:
alif the letter a [Sem ’-l-p (ox), Heb alef]
alifa be trusted, accustomed, tame
alima feel pain
QUESTION
I'm trying to parse this .txt file in R: https://ftp.expasy.org/databases/cellosaurus/cellosaurus.txt
It's essentially a single column data frame of some ~2 million rows, with each entity being described by multiple rows and bookended by rows containing the string "//".
Ideally, I could capture each entity, made up of multiple rows, as a list element by splitting at "//", but I'm not sure of the most efficient way to go about this.
Any help is much appreciated.
EDIT:
Here's a snippet of what I'm working with:
...ANSWER
Answered 2021-Jun-02 at 11:06Here is one solution using data.table.
QUESTION
After trying countless times I still cannot install PyAudio without getting this error
I have tried using many approaches including pipwin which doesn't get recognized as a real function, how can I install PyAudio?
...ANSWER
Answered 2021-Jan-05 at 00:01You can download PyAudio wheel file from here.
Then use pip install XXX.whl to install.
For example: pip install E:/PyAudio‑0.2.11‑cp37‑cp37m‑win_amd64.whl
You can check how many bits your computer is, and then download the corresponding wheel.
PyAudio‑0.2.11‑cp37‑cp37m‑win_amd64.whl supports python3.7 for windows 64-bit system.
PyAudio‑0.2.11‑cp37‑cp37m‑win32.whl supports python3.7 for windows 32-bit system.
QUESTION
This question appears to have been answered before, but none of the answers helped in my case. First I should say that I've followed the OSMnx Installation steps exactly. Then tried to run the following code in a Jupyter Notebook:
...ANSWER
Answered 2021-May-13 at 04:04You have installed an extremely old version of OSMnx. Your conda list output shows you have version 0.7.3 installed, and that was released 3 or 4 years ago. It's so old that it's incompatible with the modern features of GeoPandas and pyproj, including the modern CRS object that's causing your error. I'm not clear how you did it! My best guess is you installed using one of the old tags on this page, which do point to version 0.7.3.
This should be fixed by removing the old environment and then following the installation instructions here, like:
QUESTION
What I have:
- A geodataframe of school points (source - a total of 18)
- A geodataframe of hospital pts (target - a total of 27)
- A projeceted Osmnx graph (nodes + edges)
What I want:
- A geodataframe containing the shortest route geometries to each hospital from each school (a total of 486 [18*27] features in the table each with a route) ie
After reading in schools/hospitals, pulling and projecting the osmnx street graph
I am able to define a function to get the neareset osm node for both source and target points
...ANSWER
Answered 2021-May-12 at 20:45You are looking for the cartesian product of your origins and destinations, rather than zipping them together. Example:
QUESTION
I want to perform univariate assessment on a dataset. I came up with the code below:
...ANSWER
Answered 2021-May-11 at 16:05I believe what you're missing is library(scorecardModelUtils) at the top.
QUESTION
Because VSC says unresolved import 'scipy.ndimage' for from scipy.ndimage import interpolation as inter So I found the binary package for Windows at the bottom of https://scipy.org/install.html. I was able to
- successfully install the required Windows VC++ buildtool, reboot
- download the ndimage-1.3.1.tar.gz from above
python setup.py installgave me following error
ANSWER
Answered 2021-May-11 at 04:43That site is for windows binaries, as in the pre-built wheel files (.whl). Find the matching .whl file for your python version and 32/64 bit (e.g scipy‑1.6.3‑cp39‑cp39‑win_amd64.whl for scipy 1.6.3 for 64-bit Python 3.9). Then install it via pip install some_wheel_file.whl. This avoids needing to compile with a .tar.gz source distribution.
Edit: amd64 is for all 64-bit CPUs, not just AMD CPUs.
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