vj | vj - JSON Humanizer | JSON Processing library
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vj - JSON Humanizer
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QUESTION
Sorry for the bad phrasing of the question!
I created a function, abc, and it works fine with my data table, DT, by itself.
...ANSWER
Answered 2022-Feb-18 at 20:28sapply iterates only over the first argument provided, so you would need to change the function call to something like:
QUESTION
I am trying to navigate the legoman image across the canvas using the arrow keys. However, the image seems to duplicate instead (see image).
How do I get the image to move without leaving a trail of images behind?
See code:
...ANSWER
Answered 2022-Jan-10 at 09:31The issue is no longer present in the p5 editor sketch you've shared.
That is because you're calling
QUESTION
I'm attempting to write a python implementation of this answer over on Math SE. You may find the following background to be useful.
Problem
I have an experimental setup consisting of three (3) receivers, with known locations [xi, yi, zi], and a transmitter with unknown location [x,y,z] emitting a signal at known velocity v. This signal arrives at the receivers at known times ti. The time of emission, t, is unknown.
I wish to find the angle of arrival (i.e. the transmitter's polar coordinates theta and phi), given only this information.
Solution
It is not possible to locate the transmitter exactly with only three (3) receivers, except in a handful of unique cases (there are several great answers across Math SE explaining why this is the case). In general, at least four (and, in practice, >>4) receivers are required to uniquely determine the rectangular coordinates of the transmitter.
The direction to the transmitter, however, may be "reliably" estimated. Letting vi be the vector representing the location of receiver i, ti being the time of signal arrival at receiver i, and n be the vector representing the unit vector pointing in the (approximate) direction of the transmitter, we obtain the following equations:
= v(ti - tj)
(where < > denotes the scalar product)
...for all pairs of indices i,j. Together with |n| = 1, the system has 2 solutions in general, symmetric by reflection in the plane through vi/vj/vk. We may then determine phi and theta by simply writing n in polar coordinates.
I've attempted to write a python implementation of the above solution, using scipy's fsolve.
ANSWER
Answered 2022-Jan-07 at 09:35As you already mentioned, fsolve expects a system with N variables and N equations, i.e. it finds a root of the function F: R^N -> R^N. Since you have four equations, you simply need to add a fourth variable. Note also that fsolve is a legacy function, and it's recommended to use root instead. Last but not least, note that sqrt(x^2+y^2+z^2) = 1 is equivalent to x^2+y^2+z^2=1 and that the latter is much less susceptible to rounding errors caused by the finite differences when approximating the jacobian of F.
Long story short, your class should look like this:
QUESTION
I have a number of buttons on a page. Each button has a different ID. After clicking on any of the buttons, the chat information is displayed. After clicking the button, I want this to be done automatically again.
Problem :
If I click on one button(start chat) first and then the other, the system clicks on two buttons. But I want to repeat the click only on the last button pressed.
I used the following code, but the two buttons are clicked.
...ANSWER
Answered 2021-Nov-13 at 15:17I just wrote a html code for you with jQuery and Bootstrap
You just need to create a new setTimeout function to click the same button again, on first click of the respective button.
This will create a loop and keep your one of the last clicked button automatically clicking.
QUESTION
I want to sort an array of objects with parent category name and nested category name alphabetically.
...ANSWER
Answered 2021-Nov-11 at 08:16I'm assuming you want case insensitiveness. In that case:
QUESTION
I have a gradient exploding problem which I couldn't solve after trying for several days. I implemented a custom message passing graph neural network in TensorFlow which is used to predict a continuous value from graph data. Each graph is associated with one target value. Each node of a graph is represented by a node attribute vector, and the edges between nodes are represented by an edge attribute vector.
Within a message passing layer, node attributes are updated in a certain way (e.g., by aggregating other node/edge attributes), and these updated node attributes are returned.
Now, I managed to figure out where the gradient problem occurs in my code. I have the below snippet.
...ANSWER
Answered 2021-Oct-29 at 16:33Looks great, as you have already followed most of the solutions to resolve gradient exploding problem. Below is the list of all solutions you can try
Solutions to avoid Gradient Exploding problem
Appropriate Weight initialization: utilise appropriate weight Initialization based on the activation function used.
Initialization Activation Function He ReLU & variants LeCun SELU Glorot Softmax, Logistic, None, TanhRedesigning your Neural network: use fewer layers in neural network and/or use smaller batch size
Choosing Non Saturation activation function: choose the right activation function with reduced learning rates
- ReLU
- Leaky ReLU
- randomized leaky ReLU (RReLU)
- parametric leaky ReLU (PReLU)
- exponential linear unit (ELU)
Batch Normalisation: Ideally using batch normalisation before/after each layer, based on what works best for your dataset.
after each layer Paper reference
QUESTION
I have a csv file that I have read into Pandas. One of the columns in the csv contains a base64 encoded value but it gets read in by Pandas as a string. How would I go about converting this value (now read in as a string) back to a useable base64 value. The structure looks like this.
I have an example here:
...ANSWER
Answered 2021-Oct-21 at 01:26Ok I think I've found out your issue. Let's download a fresh file to use as an example and work with that. I'm working with a small snippet of a gray square.
QUESTION
So my observations and expectations is that when I configure an app for Single-Sign On, the certificate for that specific application will be used.
However I have some already registered applications that do not use these cert, but rather sign the assertion with one of the certificates from Common Metadata. My question is: is there a way to configure this behaviour? I have tried to mimic the configuration in a new app, but cannot get the same behaviour.
What I have have observed about the configuration of these apps:
- All these have at some point "talked to" ADFS - and have also used WS-FED (that is the goal here)
- Even if I try to access the app through MyApps, and there is 'nothing' answering, the signature will be with the common cert.
- I believe they all use App Proxy (With Azure AD pre-auth)
- They seem to have the Tags (8adf8e6e-67b2-4cf2-a259-e3dc5476c621, WindowsAzureActiveDirectoryGalleryApplicationNonPrimaryV1) which I do not get when I create a new SAML app.
This is what the assertion looks like:
...ANSWER
Answered 2021-Oct-12 at 11:07Seems to be a bug/weird situation. I had one detail wrong; it actually was using the Certificate that was on the enterprise application..
However, the default certificate on a newly created non-gallery or approxy-application will default to a public Azure Cert (Thumbprint 977B10FB9D1C087E3105564B1D31B09D247BEBCD, subject accounts.accesscontrol.windows.net).
When you edit the configuration of SSO that certificate seems to be updated, but for some of my applications it seems not to have... So it was still signing with the default Azure AD certificate.
QUESTION
ID<-c(1:10)
M1<-c("A","C","V","X","V","Z","K","SA","KS","B")
M2<-c("A","H","D","K","DEL","QS","L","SA","OOB","NO")
M3<-c("A","C","V","X","V","Z","K","SA","NC","RG")
M4<-c("ABS","JC","VJ","TE","DEL","GJ","FH","QM","SF","X")
M5<-c("ER","DU","OD","KZ","GZ","ZB","DEL","SA","DEL","WX")
mydata<-data.frame(ID,M1,M2,M3,M4,M5)
ANSWER
Answered 2021-Aug-26 at 21:34If we want to get the ID alone
QUESTION
I have a sample XML as shown below:
...ANSWER
Answered 2021-Aug-19 at 10:19First issue: I am no expert on JAXB so I do not have much idea on what could cause the warnings specified here but I tried following the code and it seems to work fine for me without any warnings. If you want to get more understanding then the best thing to do is search about it and read the doc to get more information. But my guess is that it's happening due to your second issue.
Also, I am using Moxy which is an extension of JAXB developed by Eclipse-link. It has many additional benefits compared to simple JAXB
Second issue: obvious error is in this line:
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