flange | scala client for heroku doozer | Platform As A Service library
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kandi X-RAY | flange Summary
scala client for heroku doozer
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flange Examples and Code Snippets
Community Discussions
Trending Discussions on flange
QUESTION
I have this component with two text-fields with two expressions that should evaluate to the same thing.
...ANSWER
Answered 2022-Feb-04 at 22:55This is because properties are reactive and function calls are not. However, you can achieve this with computed properties:
QUESTION
Given source and target dataframes in Pandas, I need to update a column in the target dataframe by an amount specified in a column of the source dataframe, for every match on a key column.
In the example below, the source and target dataframes are RecetteDF
and InventaireDF
, respectively. The key column common to both is Codes interne
. Quantite Reserver
in the target has to be incremented with values from Quantite requise
from the source on matching key.
I've made it work, but it's really not optimal.
So far my function looks like this:
...ANSWER
Answered 2021-Sep-24 at 06:54You can use pandas.merge
to pull Quantite requise
in from RecetteDF
whenever you have a match. The merge should be done using left
, so that we preserve rows of InventaireDF
even when there is no match. Here is some code that should work:
QUESTION
I am trying to pause a thread until the initial thread finishes.
My thread_pool starts like:
...ANSWER
Answered 2021-Sep-17 at 22:11This is a classic use case for threading.Semaphore
Inside each function that can't be run concurrently, Instantiate it globally (in the main thread) using Semaphore(1)
. Use acquire()
and release()
methods accordingly to serialize access to your "shared resource" (inside the main monitir_folder
function or the process_csv
functions, depends on where you're getting the error - in this case, CSV processing internal state
As the number of permits is 1, an RLock
will also make a good fit, but A Semaphore better express what you are trying to achieve.
Example:
QUESTION
I hope I can ask this question in a way that makes some sense as the data itself is not good. However, as it was written in the 1950s, I have no option but to try to make the best of it in trying to bring it into the current century for those of us who need it. Also, Benchmark speed is not an issue as this is run manually and only rarely, and always on my local PC rather than on the live server. The resulting table is then uploaded.
To outline, it is looking in the Models
field in parts_listing
to see any with the ordinal numbers 22ND, 23RD etc. If there are any, then it looks in parts_modelno
to find all that begin with the cardinal number 22, 23 etc. It takes all that match and populates parts_parsed
with the rows in the select statement. It is doing that but it is getting all from parts_modelno
, not just those that match.
For the first query below, it works well but needs multiple copies, one for each of the ordinal and cardinal values of 22ND, 23RD, 24TH, 25TH, 26TH, 54TH
and 22, 23, 24, 25, 26, 54
.
The Models
field being queried in parts_listing contains data that varies considerably and another query has already extracted the bulk of it. For example, 2250-51-52-55-70-71
is a shortcut for 2250, 2251, 2252, 2255, 2270, 2271
and there are others such as these below with each example being in its own row. Those have already been parsed into parts_parsed. Those with BODY (and similar ones with MODEL) are not being parsed properly but that's another issue and not important here.
ANSWER
Answered 2021-Sep-13 at 14:34There are 3 slightly different versions of the solution here, for various versions of MySQL and MariaDB.
MariaDB 10.5 is compatible with all 3 solutions. MySQL 8.0 is compatible with 2, and MySQL 5.7 is compatible with just one of the following.
The pairs
derived table or WITH clause
term provides the pairs of patterns ('25TH', '25')
, etc.
Once we have that, it's just a matter of joining with that list in your original SELECT
query expression, used to generate the rows to be inserted.
QUESTION
In the example below we are trying to convert XML data into an HTML and here we are facing the challenge due to inconsistant for the element like as '' & '
' :
Note# If we are removing '
' element from the '' then xslt code working fine.
Reference URL : https://xsltfiddle.liberty-development.net/nbiE1aA/1
...ANSWER
Answered 2021-Jul-28 at 16:28I think you want .
QUESTION
I have a Asp.Net Core API v5.0.7. The client is a ReactJs.Net app.
All my controllers are marked with:
...ANSWER
Answered 2021-Jul-09 at 17:34Solution: I flattened everything with AutoMapper to a dto
QUESTION
I am filtering elements from a list that include '"'
by the following code:
ANSWER
Answered 2021-Apr-08 at 21:15If I understand correctly, your mistake is that you are cycling over the dictionary for every value in the list of sizes, why?
The idea of a dictionary is that when you have a value that matches a key, you can get the matching value from the dictionary.
Also, there is no need to call sizes
twice to receive the same values, save the result before and then use that.
QUESTION
the model is as simple as this: I'd like to apply a torque to the Rotational Flange of a Revolute Joint.
However, the torque reaction should not be applied to the Support Flange of the Revolute Joint.
The torque reaction is indeed counterbalanced elsewhere and not in the Revolute Joint itself.
A real-world example is a vehicle wheel: the torque is given by a powertrain and transferred to the wheel by a shaft, so the torque reaction is not perceived on the wheelhub but on the powertrain mounts.
So, none of the above seems to be correct:
- in BLUE: there is a reaction on the Revolute frame_a that there shoudn't be. The support (white circle) seems to always balance the torque applied to the flange (gray circle)) but it doesn't make sense in this case;
- in RED: there is no reaction on Revolute frame_a but there is no speed in the 1D line and this is not ok.
So, how can apply a Torque to a Revolute Joint without being forced to sense the counterbalanced torque directly on the joint?
...ANSWER
Answered 2021-Feb-24 at 17:43I came up with this solution that requires modifying the Revolute joint.
This is a minimal library with the modified Revolute Joint and a minimal example
Basically I just required that the torque on frame_a and frame_b is equal only along two directions orthogonal to the revolute axis (before they were equal along any direction).
And the torque called 'tau' provided by the auxiliary flange is applied along revolute axis direction only to frame_b, while for frame_a along this direction the torque is imposed to be zero.
This makes much more sense to me, but I'll be glad if someone proves me wrong.
As @tbeu just saw, I also sent an issue to the Modelica Standard Library GitHub, so it might be worth to wait for some official answer.
QUESTION
Can someone please guide me how should I Load data in hive where I am getting " in some rows and in some rows data is coming without " for the same column value.
...ANSWER
Answered 2021-Jan-22 at 17:30Try with this tag:
QUESTION
I'm trying to implement the QR24-Algorithm to calibrate flange/tool and robot/world from this paper by Floris Ernst (2012).
I need to solve an equation M_i*X - Y*N_i = 0
where M_i
and N_i
are known and i from 1 to the number of measurements and X
and Y
are unknown Matrices.
In the paper they combined this equation into a system of linear equations A*w = b
, where A consists of 12*number of measurements rows and 24 columns, so I have a system of linear equations with 24 parameters, where I need at least 2 measurements to solve this system.
To solve this equation, I need to use the QR-Factorization in least square sense because with more measurements, this system has more equations than parameters.
I'm using the OLSMultipleLinearRegression
from the Apache Commons Math library to solve the equation system:
ANSWER
Answered 2021-Jan-10 at 10:42I was able to find a solution to my problem and I want to share it with you.
The problem was not a programming error, but the paper provided an incorrect matrix (the Ai matrix) which is needed to solve the linear system of equations.
I tried to extract a system of linear equations from M*X - Y*N = 0
by myself using the characteristics of homogeneous transformation matrices and rotation matrices. I came up with following solution:
where
The vector bi provided in the paper is fine.
Since Prof. Ernst teaches at my university and I'm taking a course with him, I will try to make him aware of the mistake.
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Install flange
You can use flange like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the flange component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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