MBE | Course materials for Modern Binary Exploitation by RPISEC | Hacking library
kandi X-RAY | MBE Summary
kandi X-RAY | MBE Summary
Vulnerability research & exploit development is something totally outside the bounds of what you see in a normal computer science curriculum, but central to a lot of what we RPISEC members find ourselves doing in our free time. We also find that subjects in offensive security tend to have a stigma around them in university that we would like to help shake off. These are practical, applied skills that we're excited to share with those interested in learning. The question this course posed was 'Can we teach a bunch of programmers how to pwn?'.
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QUESTION
We have developed an Artificial Neural Network (ANN), where we split our data into training and testing data with train_test_split
. As we want a better and more generalized estimate of our performance scores, we would like to split data with k-fold instead.
Now, we split the data into 70% training and 30% testing data with train_test_split
ANSWER
Answered 2021-Dec-24 at 15:25You need to use KerasRegressor
to wrap your keras model as a scikit learn model.
Take a look at example 1 here
QUESTION
We have developed an Artificial Neural Network in Python, and in that regard we would like tune the hyperparameters with GridSearchCV to find the best possible hyperparameters. The goal of our ANN is to predict temperature based on other relevant features, and so far this is the evaluation of the performance of the neural network:
...ANSWER
Answered 2021-Dec-22 at 18:31The way I used GridSearchCV successfully, recently was:
QUESTION
Im trying create wildcard cert on Rancher kubernetes engine behind cloud loadbalancer. After install rancher i have a Issuer:
...ANSWER
Answered 2021-Sep-21 at 18:56As it is written here serving-a-wildcard-to-ingress, http01 solver does not support wildcard. Instead you should use dns01 for wildcard certificates.
See documentation to dns01 solver.
QUESTION
I want to left-justify geom_text
layer with ggplot2
. I am using the following code
ANSWER
Answered 2021-Jul-09 at 19:46You can just set x = -Inf
and hjust = 0
to make it aligned to the left y-axis. As I didn't have some of the required packages, I've illustrated this with a standard dataset.
QUESTION
I want to transfor xml using xslt. Below is the xml and the output I want. I just want to select the Question tags with their attributes and NOT the QuestionText or Answer tags. How do I do this? Do I need to create a template to just select the Question tags? If so, how do I go about it? xml:
...ANSWER
Answered 2021-Jul-08 at 15:06AFAICT, you want to do something like:
XSLT 1.0
QUESTION
ANSWER
Answered 2021-Apr-10 at 19:54The link you refer to regarding the allocation behavior of GetType()
says that it doesn't allocate a new instance every time, it does not say it doesn't allocate at all.
The first time you call GetType()
on an object of a particular type will result in the allocation of a new RuntimeType
instance to represent the type, but it's a one-off allocation and subsequent GetType()
calls on objects of that type will return the existing instance.
QUESTION
I didn't think this was going to be hard but I couldn't dig up anything on how to make an org-mode clock table report include the date/time of the task. My report is like this:
...ANSWER
Answered 2021-Feb-02 at 01:38I'm still pretty new at using clock tables in org-mode, but I came across your question when I was searching for something related to org-mode the other day.
Something that might help with displaying timestamps relates to using a setting called :properties("CLOSED")
. I read about this from a post by @Fabian. When this setting is used, it adds a column named "CLOSED" that should display the date-time-stamp of when a task was "CLOSED".
Before this works, however, you might need to add the following setting to your .emacs
settings file first: (setq org-log-done 'time)
. I read about this in the org-mode documentation. When this setting is set, and if you are using the "TODO" feature in org-mode: once you set a task to "DONE", a "CLOSED" date-time-stamp should be added to your task. From there, once you refresh your clock table, this new date-time-stamp should appear in the "CLOSED" column.
Also, from playing around with the :hidefiles
settings, I ran into the same problem you had where the "File" column kept showing up even with the :hidefiles
setting set. My previous attempt at fixing this (in the earlier answer revision) appears to not actually be doing what I thought it was doing, so I took that part out for now. I have the feeling that this :hidefiles
setting issue might be related to the version of org-mode that is being used.
Update: After trying a more recent version of org-mode (20210201), the :hidefiles
setting appears to be working as expected. I installed the new org-mode version using the setting instructions from this documentation page along with the following steps.
Warning: You may want to use an older version of org-mode depending on your needs. For myself, I tried out a very recent version of org-mode (at the time of this writing), but it might be too new for your purposes. Please consider if you need to try an older version before going through the following steps if you choose to do so.
Add these lines to the
.emacs
file:(require 'package)
(add-to-list 'package-archives '("org" . "https://orgmode.org/elpa/") t)
Open up a blank emacs editor
Type:
M-x list-packages
Navigate to the
org
option (I picked the 20210201 option, but this might vary) so that the cursor is over theorg
linkPush the
return
/enter
keyType:
C-x o
Navigate to the
Install
option so that the cursor is over theInstall
linkPush the
return
/enter
keyPush
y
to continue if you want to install thisThe package should install at this point
When done, exit out of emacs
Then, open up your .org file
Also: I added the following setting to my .emacs file, because I generally like to hide the various lists in my .org file when it first gets opened in org-mode:
QUESTION
For my masterthesis i need to create 5 multiplots , each containing 12 Scatterplots. And i need to add the statistical values RMSE, MAE and MBE. these eq. are:
...ANSWER
Answered 2020-Nov-13 at 09:44for my code i found this answer:
QUESTION
Here is the link of the model:https://mbe.modelica.university/behavior/discrete/decay/#chattering The simulation result for the following result in Dymola 2021 would be:
model WithChatter(stopTime=1.001s)
model WithChatter(stopTime=1.5s)
As we could see, noEvent operator does decrease the CPUTime, but it also causes the system stiff, it would be easier to understand with more explanation about why noEvent would cause the system stiff.
Based on the event logging of model WithChatter, the simulation process actually uses the minimum time step because the der(x) is not a continuous function. But why doesn't this approach suit the model WithNoEvents?(https://mbe.modelica.university/behavior/discrete/decay/#speed-vs-accuracy)
If noEvent operator means using the integrator directly, it might require the functions in the equation system have to be continuous? So Does this mean that the model used in the Chattering example(https://mbe.modelica.university/behavior/discrete/decay/#chattering) isn't appropriate, since the function in this model is not continuous?
...ANSWER
Answered 2020-Sep-09 at 19:23The model used in the chattering example isn't appropriate since it is not continuous, and the error message from dassl is just a boiler-plate message, so the model isn't stiff but discontinuous as you found.
Markus A has a good point in the related question When to use noEvent operator in Modelica language? that using noEvent to avoid chattering is in general not a good idea, and one should normally try to rewrite the model instead of adding noEvent.
This specific model is sort of similar to a friction model where you would have
QUESTION
Can anyone point me to suitable techniques for working with timescales other than seconds?
An example is the Lotka-Volterra 'classic model' on the following site: https://mbe.modelica.university/behavior/equations/population/
The resulting graph is shown with an x-axis from 1-120 seconds, but obviously that is not realistic for the rabbit/fox example. I've adjusted it in the following code snippet to give an idea of what I am looking for (with the assumption that alpha, beta, gamma and delta are actually rates/day).
My adjustments are a bit clunky and I'm sure there must be a nicer way, I just can't work it out.
I do want something compatible with the standard library and am using OpenModelica. Thanks!
...ANSWER
Answered 2020-Jun-26 at 07:19I think what you did is correct, and the issue is in the example. As you say, the rates are probably per day, but as it's just a demonstration it's easier to learn from it if the time numbers are not huge.
An improvements I would make is to omit the second set of parameters, and define the original ones as parameter Real alpha=0.1/(60*60*24)
etc.; this way the structure of the code stays simpler, it's clear and directly known what the actual rate comes out to (in case you compare to analytical results or similar), but you can still clearly adjust in the source code.
Another thing is that you can add parameter
in front of your _S
quantities, as they will not change during execution.
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