text stringlengths 1 1.11k | source dict |
|---|---|
photochemistry, ceramics
Stencil: Lazertran, for example, makes decals that can be made in an ink-jet or laser printer. Of course, that requires inks fusible onto ceramic. JETEC offers inks that adhere to ceramics and are rated to 1,000 °C.
Direct Photoetching: A laser can blast off a surface layer from coated ceramic... | {
"domain": "chemistry.stackexchange",
"id": 16738,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "photochemistry, ceramics",
"url": null
} |
calculates the quadratic function whose graph goes through those points. Join. Take a look! To find the vertex of a quadratic equation, start by identifying the values of a, b, and c. Then, use the vertex formula to figure out the x-value of the vertex. The name comes from "quad" meaning square, as the variable is squa... | {
"domain": "snowfestival.se",
"id": null,
"lm_label": "1. YES\n2. YES\n\n",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9783846710189288,
"lm_q1q2_score": 0.8276571132270418,
"lm_q2_score": 0.8459424373085146,
"openwebmath_perplexity": 574.709837919424,
"openwebmath_score": 0.4833552837371826,
"ta... |
ros, ros-kinetic, gazebo-ros
<plugin name="${lr}_arm_fist_plugin" filename="libgazebo_ros_bumper.so">
<bumperTopicName>${lr}_arm_fist_contact</bumperTopicName>
<frameName>${lr}_arm_fist</frameName>
</plugin>
</sensor>
</gazebo> | {
"domain": "robotics.stackexchange",
"id": 31755,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "ros, ros-kinetic, gazebo-ros",
"url": null
} |
java, object-oriented, comparative-review, e-commerce
Title: Open/Closed Principle with calculating the total cost of items in a shopping cart I came across the below example in a tutorial for the open-closed OOP principle. This example demonstrates function of calculating the total cost of items in a shopping cart. I... | {
"domain": "codereview.stackexchange",
"id": 35592,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "java, object-oriented, comparative-review, e-commerce",
"url": null
} |
ros, nao
Original comments
Comment by Tiamat on 2013-12-11:
Thanks for your answer. I found this tutorial before (sorry I forgot to mention) and tried section 6 till 8 so I think everything should be working. But I don't know how to start writing my own stuff.
I also read through the SDK documentation but the link bet... | {
"domain": "robotics.stackexchange",
"id": 16424,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "ros, nao",
"url": null
} |
python, parsing, yaml
And I run my code like this:
python test.py --conf args.txt --name 'Mark'
I get this for the output:
Namespace(age=[21, 33], delay=30, name=['Mark', 'Jill', 'Bob'], stupid=False)
So, it works, but is it good code? You don't need a class
In your current version of the code, it is hard to see wha... | {
"domain": "codereview.stackexchange",
"id": 11886,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "python, parsing, yaml",
"url": null
} |
fluid-dynamics, mass, conservation-laws, flow
Title: Fluid mechanics I have seen the following equation of continuity for fluid dynamics for compressible as well as incompressible fluids $$\rho_1V_1A_1 = \rho_2V_2A_2,$$
and it is derived from conservation of mass principle, but my question here is that this given equ... | {
"domain": "physics.stackexchange",
"id": 60192,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "fluid-dynamics, mass, conservation-laws, flow",
"url": null
} |
php, api, rest
If you want a product id to return a list of products use a non-zero id.
For delete, return an error status status on zero the same as if it were an invalid product id.
Consider using an extension other than .php. Even html is easier than php for users to remember.
You could use the extension for t... | {
"domain": "codereview.stackexchange",
"id": 12827,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "php, api, rest",
"url": null
} |
ros, simulation, turtlebot-calibration, turtlebot-navigation
Title: Running ROS in pure simulation
Hi,
I would assume ROS can run in pure simulation? I'm trying to build a SLAM map of simulated environment while navigating through it (with path planning and obstacle avoidance) using the simulated TurtleBot. However m... | {
"domain": "robotics.stackexchange",
"id": 8944,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "ros, simulation, turtlebot-calibration, turtlebot-navigation",
"url": null
} |
mechanical-engineering
Let's say the cable pulls at $A$ with some tension force $T$. A normal force $N$ from the wheel must then push on $C$, in order for the torque with respect to $P$ to be zero. We have $N = (|AP|_x/|CP|_yS) $, if $x$ and $y$ are in the horizontal and vertical direction respectively, and $T$ is ver... | {
"domain": "engineering.stackexchange",
"id": 5171,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "mechanical-engineering",
"url": null
} |
windows, assembly, nasm
current_task: db 0
stack_status:
status_1: db 1 ; this is for Main
status_2: db 0
status_3: db 0
stacks: times 256 * 2 db 0
stack_pointers:
dw 0 ; this is for Main
dw stacks + 256
dw stacks + 512
This is a nice exam... | {
"domain": "codereview.stackexchange",
"id": 36731,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "windows, assembly, nasm",
"url": null
} |
quantum-mechanics, mathematical-physics, operators, hilbert-space, measurement-problem
$$\sum_j P_j=\mathbb I.$$
After measuring on pixel $j$, the state of the system is $P_j\Psi$.
Why is this necessary? Your original scheme fits inside the new one, but it has discontinuities in the $f_j$. This means that you introduc... | {
"domain": "physics.stackexchange",
"id": 15816,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "quantum-mechanics, mathematical-physics, operators, hilbert-space, measurement-pro... |
fourier-transform, power-spectral-density
Title: The Fourier transform of a damped cosine and the units of the result If I take a simple transient voltage signal of the form
$$f(t) = V_p e^{-t/\tau} \cos(\omega_0 t)$$
and take the Fourier transform in the normal way
$$F(\omega) = \frac{V_p}{\sqrt{2 \pi}} \int^{+\infty... | {
"domain": "dsp.stackexchange",
"id": 8033,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "fourier-transform, power-spectral-density",
"url": null
} |
ros2
Title: Unknown CMake command 'get_executable_path'
In ubuntu 22, in ros2 humble, i am building RMF from sources, when i ran colcon build i got the error from rmf_fleet_msgs package
Unknown CMake command 'get_executable_path'
Originally posted by Vignesht.tech on ROS Answers with karma: 16 on 2023-05-16
Post sco... | {
"domain": "robotics.stackexchange",
"id": 38384,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "ros2",
"url": null
} |
Proof of Part 1. Let P(x)=int_a^x f(t)dt. If x and x+h are in the open interval (a,b) then P(x+h)-P(x)=int_a^(x+h)f(t)dt-int_a^xf(t)dt.
Now use adjacency property of integral: int_a^(x+h)f(t)dt-int_a^x f(t)dt=(int_a^x f(t)dt+int_x^(x+h)f(t)dt)-int_a^x f(t)dt=int_x^(x+h)f(t)dt.
Now apply Mean Value Theorem for Integra... | {
"domain": "emathhelp.net",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9950945944397533,
"lm_q1q2_score": 0.8226564310665383,
"lm_q2_score": 0.8267117876664789,
"openwebmath_perplexity": 1507.8173915170753,
"openwebmath_score": 0.9498471021652222,
"tags":... |
java, algorithm, pathfinding
checkNodes(graph, sourceNode, targetNode);
Queue<HeapNode> openForward = new PriorityQueue<>();
Queue<HeapNode> openBackward = new PriorityQueue<>();
Set<Integer> closedForward = new HashSet<>();
Set<Integer> closedBackward ... | {
"domain": "codereview.stackexchange",
"id": 27397,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "java, algorithm, pathfinding",
"url": null
} |
quantum-mechanics, electromagnetism, general-relativity, black-holes
Inside a black hole, can I see my reflection in a mirror (is the law of reflection still valid)? The mirror works more or less like you'd expect it to anywhere else. If the mirror and the emitter/observer are separated by a distance sufficient that t... | {
"domain": "physics.stackexchange",
"id": 82522,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "quantum-mechanics, electromagnetism, general-relativity, black-holes",
"url": nu... |
c++, template
TransferFrom(DataTemp);
return *this;
}
}while(Temp < Size);
return *this;
}
const bool Remove(const std::vector<TemplateArray> &ItemCopy)
{
ERRORCLASSFUNCTION(TemplateArray,Remove,ItemCopy.empty(),RETURN_B... | {
"domain": "codereview.stackexchange",
"id": 768,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "c++, template",
"url": null
} |
python
Title: Mutually exclusive options for argparse I wrote a Python program that can take as argument either a string or a filename, with these options being mutually exclusive:
#!/usr/bin/env python
import argparse
import sys
def parse_command_line():
parser = argparse.ArgumentParser()
parser.add_argum... | {
"domain": "codereview.stackexchange",
"id": 32224,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "python",
"url": null
} |
Therefore $d$ is in $\mathbb{Z}[x]$ and we are done, since the gcd of $f, g$ is obviously a divisor of $f$ and is monic by the hypothesis.
• It seems someone beat me to it with pretty much the same answer... :S – Tob Ernack May 1 '17 at 22:49 | {
"domain": "stackexchange.com",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9830850832642353,
"lm_q1q2_score": 0.8082818698381208,
"lm_q2_score": 0.8221891305219504,
"openwebmath_perplexity": 68.54304872536295,
"openwebmath_score": 0.930634081363678,
"tags... |
So as there are 10 multiples of 5 in 50! there are 10 zeros at the end of 50!
Is this correct?
• Sep 27th 2013, 02:00 PM
Plato
Re: Factorial
Quote:
Originally Posted by Natasha1
So here goes my problem. I am not allowed a calculator through this problem...
How many zeros are there at the end of 50! ?[/B]
For a trail... | {
"domain": "mathhelpforum.com",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9637799451753696,
"lm_q1q2_score": 0.8407508921472167,
"lm_q2_score": 0.8723473614033683,
"openwebmath_perplexity": 440.6088152328344,
"openwebmath_score": 0.7295138239860535,
"tag... |
c#, asp.net, properties
Class Design
A good class model manages complexity. A good class hides state and exposes functionality.
This code is deferring all the details of all the construction of all the objects to the very last possible moment and then instantiates the entire HotelInformation universe in a big bang. T... | {
"domain": "codereview.stackexchange",
"id": 23181,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "c#, asp.net, properties",
"url": null
} |
quantum-operation, quantum-circuit
Title: How do successive operators act in the Heisenberg picture? In the Schrodinger picture, it is clear how write a single gate for two operators. For example if operators $A$ then $B$ act on a state $\vert \psi \rangle$, this gives $BA\vert \psi \rangle$, (noting that the operator... | {
"domain": "quantumcomputing.stackexchange",
"id": 2932,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "quantum-operation, quantum-circuit",
"url": null
} |
spacetime-dimensions, beyond-the-standard-model, branes, modified-gravity
Examples of models with extra dimensions where the non-gravitational sector is assumed to be confined to the 3+1 dimensions are for example the Randall–Sundrum model, the ADD model and the Dvali–Gabadadze–Porrati braneworld. | {
"domain": "physics.stackexchange",
"id": 51784,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "spacetime-dimensions, beyond-the-standard-model, branes, modified-gravity",
"url... |
termination
Title: Why do we care about termination analysis? Why is it important to know if a program terminates or not? In particular, what are some consequences of a non-terminating program? First, the halting problem is the fundamental building block that enables us to prove that many, many problems we care about ... | {
"domain": "cs.stackexchange",
"id": 20704,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "termination",
"url": null
} |
ros, moveit, ros-melodic, ros-industrial, fanuc
setting /run_id to 73d4f4b0-b8fa-11e9-a013-080027af27c1
WARNING: Package name "FANUC_robot_test" does not follow the naming conventions. It should start with a lower case letter and only contain lower case letters, digits, underscores, and dashes.
process[rosout-1]: star... | {
"domain": "robotics.stackexchange",
"id": 33586,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "ros, moveit, ros-melodic, ros-industrial, fanuc",
"url": null
} |
neural-networks, ai-design, tic-tac-toe, board-games, state-representations
So, for tic-tac-toe, any of your solutions involving 9 inputs should work just fine.
Also, it helps if you keep the inputs between 0 and 1 if you are using log sigmoid, and -1 and 1 if you are using hyperbolic tangent for your activation funct... | {
"domain": "ai.stackexchange",
"id": 565,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "neural-networks, ai-design, tic-tac-toe, board-games, state-representations",
"url": nu... |
graphs, graph-traversal
Title: Is it possible to detect a simple negative-weight cycle of weight $N$ in polynomial time? Given a directed graph and an integer $N$, is it possible to detect a simple negative-weight cycle whose edges sum to $N$ in polynomial time? I thought about modifying the Floyd-Warshall algorithm t... | {
"domain": "cs.stackexchange",
"id": 11360,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "graphs, graph-traversal",
"url": null
} |
electromagnetism, electromagnetic-radiation, induction
Thank you to anyone who answers.
Edited Q2:
So my original question (although asked poorly) still stands. Where does the current that gets induced in the secondary coil come from? How does the electricity transfer from the primary coil to the secondary? For exampl... | {
"domain": "physics.stackexchange",
"id": 44531,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "electromagnetism, electromagnetic-radiation, induction",
"url": null
} |
dt\right)\, dx=\\[2ex] \int_{\sqrt{2}-1}^{\sqrt{2}+1}\left(\int_{\sqrt{2}-1}^{\sqrt{2}+1}\left(\int_{0}^{\infty}\dfrac{x^2}{(x^2+s^2)(x^2+t^2)}\, dx\right)\, ds\right)\, dt=\\[2ex] \dfrac{\pi}{2}\int_{\sqrt{2}-1}^{\sqrt{2}+1}\left(\int_{\sqrt{2}-1}^{\sqrt{2}+1}\dfrac{1}{s+t}\, ds\right)\, dt=\\[2ex] \dfrac{\pi}{2}\int_... | {
"domain": "stackexchange.com",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9867771788309849,
"lm_q1q2_score": 0.8327364343392513,
"lm_q2_score": 0.8438951084436077,
"openwebmath_perplexity": 530.130428343335,
"openwebmath_score": 0.9999861717224121,
"tags... |
clustering, k-means, features
Title: Should unique vectors (SIFT descriptors) be used in K-Means Clustering? I'm doing image classification by extracting SIFT features, clustering them and then finding BOVW histogram and classifying.
I have around 180 training images from which I'm extracting SIFT descriptors. I need ... | {
"domain": "datascience.stackexchange",
"id": 4503,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "clustering, k-means, features",
"url": null
} |
quantum-operation, unitarity, kraus-representation
$$\mathcal{E}(\rho)=\sum_j K_j\rho K_j^\dagger $$
in the same spirit as any density matrix $\rho$ can be decomposed in a pure states ensemble
$$\rho=\sum_k p_k |\psi_k\rangle\langle\psi_k| $$
with $\sum_k p_k=1$ and be intepreted as a classical statistical mixture of ... | {
"domain": "quantumcomputing.stackexchange",
"id": 909,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "quantum-operation, unitarity, kraus-representation",
"url": null
} |
general-relativity
Title: How does the gravitational field of a massive body affect the orbit of that body around yet another massive body? If I understand the relativistic explanation of gravitation - that it is curvature of spacetime - then a particle left alone will travel along that curved spacetime in a path that... | {
"domain": "physics.stackexchange",
"id": 70428,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "general-relativity",
"url": null
} |
c#
LayoutDetailsAttribute layoutAttribute = attribute as LayoutDetailsAttribute;
if (null != layoutAttribute)
{
string propertyValue = String.Empty;
if (layoutAttribute._DataType == DataType.ALPHANUMERIC || layoutAttribute._DataTyp... | {
"domain": "codereview.stackexchange",
"id": 36240,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "c#",
"url": null
} |
condensed-matter, superconductivity
Sure: So why does [your field] need a whole journal, anyway?
Joking aside, yes, there are problems with this theory. From the experimental side, for the most recent evidence, the presence of orbital currents was excluded in the pseudo gap phase using NQR[dx.doi.org/
10.1103/PhysRevL... | {
"domain": "physics.stackexchange",
"id": 2046,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "condensed-matter, superconductivity",
"url": null
} |
signal-analysis, fourier-transform, python, radar, math
If the Chirp is not repeating, then we will have time regions where the result is meaningless anyway and should be blanked (not included in the derived result): | {
"domain": "dsp.stackexchange",
"id": 11815,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "signal-analysis, fourier-transform, python, radar, math",
"url": null
} |
ros
Originally posted by shonigmann with karma: 1567 on 2022-09-26
This answer was ACCEPTED on the original site
Post score: 1
Original comments
Comment by dnhrtmn on 2022-09-26:
Well, that was quiet easy but solved a lot of problems. Thank you so much for your time and help. :-)
Comment by shonigmann on 2022-09-26:
... | {
"domain": "robotics.stackexchange",
"id": 37995,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "ros",
"url": null
} |
cc.complexity-theory, graph-theory
This seems wrong, my impression was that both Hadwiger's conjecture and $NP \neq coNP$ are widely believed, so most likely something is wrong with my reasoning above.
But what? I think the problem here is that you are stating the converse of Hadwiger's conjecture. The conjecture (acc... | {
"domain": "cstheory.stackexchange",
"id": 4622,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "cc.complexity-theory, graph-theory",
"url": null
} |
using reducing balance depreciation at the rate of 7% per annum. Compound Interest 1 - Cool Math has free online cool math lessons, cool math games and fun math activities. The formula necessary to solve most compound interest problems is. Banks change their programs often. Compound interest is the interest paid on the... | {
"domain": "cralstradadeiparchi.it",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9869795098861572,
"lm_q1q2_score": 0.815947592901234,
"lm_q2_score": 0.8267117855317474,
"openwebmath_perplexity": 1403.1439827840675,
"openwebmath_score": 0.4161606729030609,
... |
ros, catkin, ros-hydro, serialization, messages
Comment by Matias on 2014-10-22:
I just want to clear up that my problem was with services using adapted C++ types, not the multiple-class per-topic problem. In fact, I believe this is a limitation of ROS itself, where you publish one message type per topic.
There is so... | {
"domain": "robotics.stackexchange",
"id": 16968,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "ros, catkin, ros-hydro, serialization, messages",
"url": null
} |
Karishma
Veritas Prep | GMAT Instructor
My Blog
Get started with Veritas Prep GMAT On Demand for \$199
Veritas Prep Reviews
Re: How many prime numbers between 1 and 100 are factors of 7150 [#permalink] 19 Jan 2015, 21:14
Go to page 1 2 Next [ 21 posts ]
Similar topics Replies Last post
Similar
Topics:
1... | {
"domain": "gmatclub.com",
"id": null,
"lm_label": "1. Yes\n2. Yes\n",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9224823435231174,
"lm_q1q2_score": 0.8109973689324764,
"lm_q2_score": 0.8791467659263148,
"openwebmath_perplexity": 2056.3949169409116,
"openwebmath_score": 0.5640117526054382,
"tags"... |
machine-learning, self-study, compressive-sensing, channelcoding, parameter-estimation
Objective:
Please follow the link : https://charlesmartin14.wordpress.com/2015/04/01/why-deep-learning-works-ii-the-renormalization-group/
I want to understand how the task of information retrieval or image recognition can be viewe... | {
"domain": "dsp.stackexchange",
"id": 4030,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "machine-learning, self-study, compressive-sensing, channelcoding, parameter-estimation"... |
newtonian-mechanics, kinematics, relative-motion, free-fall
Title: Is the frame of elevator Preferred over the frame of ground? When an object is thrown upward with some velocity then it doesn't fall towards the earth until the given velocity becomes zero.
Now imagine the case given in the figure
There is a question ... | {
"domain": "physics.stackexchange",
"id": 70964,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "newtonian-mechanics, kinematics, relative-motion, free-fall",
"url": null
} |
newtonian-mechanics, acceleration
By the way, you can apply exactly the same ideas I mentioned before (secant, tangent, derivative) to the velocity graph and you will see that acceleration is the derivative of speed.
By the way, I would really encourage you to keep reading and thinking about physics, mathematics and ... | {
"domain": "physics.stackexchange",
"id": 11753,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "newtonian-mechanics, acceleration",
"url": null
} |
machine-learning, self-study, terminology, quantization, clustering
Lloyd-Max is a special type of scalar quantizer design which is optimized (in terms of MSE) to source pdf. Hence the quantizer is generally non-uniform.
Lloyd's algorithm (and the more generalized LBG algorithm) is a scheme to design vector quantizati... | {
"domain": "dsp.stackexchange",
"id": 4961,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "machine-learning, self-study, terminology, quantization, clustering",
"url": null
} |
ros
Title: visp_tracker documentation or tutorial
Hi all,
I would like to perform object localization by tagging different objects in the environment and getting the pixel coordinates of those objects, which I can then convert to my robot coordinate frame using tf. I was looking for a library to do this and came acro... | {
"domain": "robotics.stackexchange",
"id": 17403,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "ros",
"url": null
} |
physical-chemistry, pressure, ideal-gas
So, at this disk, 100 Y particles are hitting the outside wall every second, and 100 X particles are hitting the inside wall every second. Now remove the disk, turning it into a hole.
What happens? Well, every X particle that hits it from the inside ends up exiting the containe... | {
"domain": "chemistry.stackexchange",
"id": 15689,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "physical-chemistry, pressure, ideal-gas",
"url": null
} |
to include the transition points (0 and 1) but only once. Are these okay, for B. $$0\leq{x}<1$$ --> 1=1 not in the range. for C. $$x\geq{1}$$ --> x = 1. It is in the range. Or A. $$x\leq{0}$$ --> x= 0, It is in the range. B. $$0<{x}\leq{1}$$ --> 1=1 It is also in the range. Are my ranges correct ? if yes, then i still ... | {
"domain": "gmatclub.com",
"id": null,
"lm_label": "1. Yes\n2. Yes\n",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9263037262250327,
"lm_q1q2_score": 0.8014602981490978,
"lm_q2_score": 0.8652240895276223,
"openwebmath_perplexity": 5001.860574531439,
"openwebmath_score": 0.8046931624412537,
"tags":... |
newtonian-mechanics, rotational-dynamics, orbital-motion, centripetal-force
$$
where $~\omega~$ is the rotation of he satellite and $~\dot\varphi~$ is the angular velocity relative to the satellite.
thus the acceleration of object A is:
$$\begin{bmatrix}
\ddot x \\
\ddot y \\
\end{bmatrix}= \left[ \begin {array}{... | {
"domain": "physics.stackexchange",
"id": 88793,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "newtonian-mechanics, rotational-dynamics, orbital-motion, centripetal-force",
"u... |
evolution
Complicating the picture is H. neanderthalensis. Genetic evidence published by Green et al. (2010) suggests that Neanderthals diverged from H. sapiens (in central Africa) between 800,000-500,000 years ago and also dispersed out of Africa. They also provided evidence of interbreeding between H. sapiens and H... | {
"domain": "biology.stackexchange",
"id": 2577,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "evolution",
"url": null
} |
zoology, hybridization, artificial-selection, feline
For a more familiar comparison to all of these, Canis lupus which is the ancestor of the domestic dog, dingo, and the gray wolf only arose around 700,000 YA according to wikipedia, although I do not know the exact sequence similarity. Domestic dogs (everything from ... | {
"domain": "biology.stackexchange",
"id": 6133,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "zoology, hybridization, artificial-selection, feline",
"url": null
} |
quantum-mechanics, hilbert-space, schroedinger-equation, conventions, time-evolution
What you did is expanding $\psi(t)$ in the instantaneous eigenstates $\psi_{n,t}$ as
$\psi(t) = \sum_n c_n(t) \psi_{n,t}$.
Now acting with $H(t)$ gives
$H(t) \psi(t) = \sum_n E_{n,t} c_n(t) \psi_{n,t} \ .$
However, now the time-deri... | {
"domain": "physics.stackexchange",
"id": 52418,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "quantum-mechanics, hilbert-space, schroedinger-equation, conventions, time-evoluti... |
performance, database, ios, objective-c, parse-platform
if (cUser.text == nil) {
cUser.text = [NSString stringWithFormat:@"Anonymous User"];
}
//User's Profile Picture//
profilePictureAttributes *thumbnailImageView = (profilePictureAttributes*)[cell viewWithTag:106];
[AFDownload start:user[PF_... | {
"domain": "codereview.stackexchange",
"id": 18627,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "performance, database, ios, objective-c, parse-platform",
"url": null
} |
algorithm-analysis, asymptotics, runtime-analysis
Title: Big O and program calls with varied input sizes Suppose I have a program p that has time complexity $O(n)$ and a second program q that calls program p $m$ times. If we know the input size of p will be the same every one of those times (n), we can say that the co... | {
"domain": "cs.stackexchange",
"id": 1781,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "algorithm-analysis, asymptotics, runtime-analysis",
"url": null
} |
physical-chemistry, temperature, conformers
$$k = \kappa \frac{k_b T}{h} e^{\frac{-\Delta G^{\ddagger}}{RT}}$$
This equation tries to predict the rate constant $k$ from an assumed pseudo-equilibrium between the transition-state and the starting material, which are assumed to differ in energy by $\Delta G^{\ddagger}$. ... | {
"domain": "chemistry.stackexchange",
"id": 4179,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "physical-chemistry, temperature, conformers",
"url": null
} |
kinetics, stoichiometry
Case 2: Two Same Reactants
$$2A + B \rightarrow C$$
Are the following correct?
$$\frac{d[A]}{dt} = -2k \cdot [A][B]$$
$$\frac{d[B]}{dt} = -k \cdot [A][B]$$
$$\frac{d[C]}{dt} = 2k \cdot [A][B]$$ | {
"domain": "chemistry.stackexchange",
"id": 12577,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "kinetics, stoichiometry",
"url": null
} |
shortest path from a source node to all other nodes in a weighted graph i. For each requsted path genetic algo must provide a shortest path. Google Scholar Digital Library; R. IGNOU 2016 – 2017. The shortest path problem is designed essentially to find a path of minimum length between two specified vertices of a connec... | {
"domain": "everwoodbiocostruzioni.it",
"id": null,
"lm_label": "1. YES\n2. YES\n\n",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9863631663220389,
"lm_q1q2_score": 0.8064253512345928,
"lm_q2_score": 0.817574478416099,
"openwebmath_perplexity": 492.5751165744054,
"openwebmath_score": 0.5003293752670... |
quantum-mechanics, quantum-field-theory, probability, hamiltonian, klein-gordon-equation
$$ \langle y | x \rangle \ne 0 $$
for x different from y. The propagator doesn't vanish at spacelike separations. This means that the states $|x\rangle$ are not the eigenvalues of a position operator.
Historically, this confused p... | {
"domain": "physics.stackexchange",
"id": 5024,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "quantum-mechanics, quantum-field-theory, probability, hamiltonian, klein-gordon-equ... |
formula ; bond Equivalent formula..., Download Corporate Valuation, investment Banking Course, Download Corporate Valuation, investment Banking Course, Download Valuation... As are bonds less than 365 days, most developed countries use simple interest is bonds! Is 1-Feb-2020, and investors collect returns when the bond... | {
"domain": "dyckers.com",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9621075722839016,
"lm_q1q2_score": 0.8017478973463149,
"lm_q2_score": 0.8333245891029456,
"openwebmath_perplexity": 3688.614372732436,
"openwebmath_score": 0.3250008523464203,
"tags": nu... |
newtonian-mechanics, classical-mechanics, rotational-dynamics, friction
But when I try this experiment with a pen, the pen stops after some time which seems to contradict what I think should happen. Where am I wrong? When it first hits the ground, if it is rotating fast enough to exceed the co efficient of static fri... | {
"domain": "physics.stackexchange",
"id": 71330,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "newtonian-mechanics, classical-mechanics, rotational-dynamics, friction",
"url":... |
c, programming-challenge, recursion, dynamic-programming
memset(pathcounts, 0, sizeof(pathcounts[0][0]) * size * size);
long long count = 0;
// start from end and work back.
for (int i = size - 1; i >= 0; i--) {
//printf(" start %d at %d\n", seq[i], i);
// always 1 step from here to end.... | {
"domain": "codereview.stackexchange",
"id": 14037,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "c, programming-challenge, recursion, dynamic-programming",
"url": null
} |
classification
If i understand correctly, it would be acceptable to: X_train will be array of 8 by 10 and Y_train will be array of 1 by 10. Is this correct. Welcome to the community Martan!
If I understood your question well, you have a set of patterns (you call them idea condition) and a set of query points (samples)... | {
"domain": "datascience.stackexchange",
"id": 3986,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "classification",
"url": null
} |
classification, class-imbalance, nlp, bert
I just want to ask what's the recommended way for handling this kind of class imbalance problem in natural language processing specifically?
I saw someone suggests to change loss function, or perform up/down sampling, but most of them are targetting computer vision class imba... | {
"domain": "datascience.stackexchange",
"id": 9291,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "classification, class-imbalance, nlp, bert",
"url": null
} |
ros, rviz, stl, dae
Title: Mesh file not loading in RVIZ and Gazebo
Hello ros developers. I'm new in ROS and I'm trying to create a robot using this .xacro file:
<?xml version='1.0'?>
<robot name="teste_bot" xmlns:xacro="http://www.ros.org/wiki/xacro">
<!-- Import Rviz colors -->
<xacro:include filename="$(find ... | {
"domain": "robotics.stackexchange",
"id": 37203,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "ros, rviz, stl, dae",
"url": null
} |
gatk, illumina, human-genome, coverage, exome
CLUDE_UNPAIRED false --VERBOSITY INFO --QUIET false --VALIDATION_STRINGENCY STRICT --COMPRESSION_LEVEL 2 --MAX_RECORDS_IN_RAM 500000 --CREATE_INDEX false --CREATE_MD5_FILE false --GA4GH_CLIENT_SECRETS client_sec
rets.json --help false --version false --showHidden false --U... | {
"domain": "bioinformatics.stackexchange",
"id": 2357,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "gatk, illumina, human-genome, coverage, exome",
"url": null
} |
pr2
Title: how to make pr2 grasping more robust
Hello, I am using pr2_pick_and_place_manager explained here, in order to pick up objects. I'm calling it from code.
Object detection works very robustly, and I am using objects from the household database. However, grasping often returns UNFEASIBLE - which means it coul... | {
"domain": "robotics.stackexchange",
"id": 5766,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "pr2",
"url": null
} |
javascript, ecmascript-6, dom, snake-game
//========================
// Drawing
//========================
function drawStats() {
var extras = 1;
if(score > highscoreNum) {
highscoreNum = score;
//localStorage.setItem("3dhighscore", highscore);
}
if... | {
"domain": "codereview.stackexchange",
"id": 30575,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "javascript, ecmascript-6, dom, snake-game",
"url": null
} |
php, parsing
// get array with all characters allowed
$search = array_merge(array_keys($symbols), array_values($symbols));
//check valid string
if (\strlen(str_replace($search, '', $braces)) > 0) {
throw new \InvalidArgumentException("ERROR: Invalid Arguments. Just (){}[] characters allowed in the s... | {
"domain": "codereview.stackexchange",
"id": 9830,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "php, parsing",
"url": null
} |
Top 10 Unauthorized Federal Programs on the Chopping Block in Trump Budget May 25 2017 by Patrice Lee Onwuka Supreme Court Ends Judge Shopping for Patent Trolls May 23 2017 by Patrice Lee Onwuka State of Texas Trumps Austin over Uber, Lyft Regulations May 22 2017 by Patrice Lee Onwuka Undoing Net Neutrality Starts Toda... | {
"domain": "aquatique-freiburg.de",
"id": null,
"lm_label": "1. YES\n2. YES\n\n",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9898303416461329,
"lm_q1q2_score": 0.8226906132284809,
"lm_q2_score": 0.831143054132195,
"openwebmath_perplexity": 4883.329051840215,
"openwebmath_score": 0.2524711489677429,... |
c#, file-system
if (totalMaxSize <= 0) return finalFiles;
if (!await HasRightSize(finalFiles, totalMaxSize))
finalFiles = null;
return finalFiles;
} Here are my refactoring ideas
The if(fileTypes != null) block
if (fileTypes != null)
{
var handler = WinRT.Interop.Wi... | {
"domain": "codereview.stackexchange",
"id": 43219,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "c#, file-system",
"url": null
} |
file, clojure, shuffle, lazy
I'm interested in any way to improve this code, but here are some specific things I'm looking for:
Since RandomAccessFile obviously uses byte offsets, and line-offsets returns character offsets, this code won't work for Unicode files. Is there a way to fix that problem without adding a lo... | {
"domain": "codereview.stackexchange",
"id": 16627,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "file, clojure, shuffle, lazy",
"url": null
} |
newtonian-mechanics, harmonic-oscillator, spring
However, I was confused when the site said that the force each spring experiences has to be the same. While this makes sense at equilibrium, I wasn't sure why it would have to be true in all cases. One reason I was considering was that, when compressing or expanding a s... | {
"domain": "physics.stackexchange",
"id": 81799,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "newtonian-mechanics, harmonic-oscillator, spring",
"url": null
} |
cell-biology, terminology, anatomy, tissue
Title: What is the cell matrix? What is the matrix in the cell, and how does it connect cells together?
I read about this in my textbook. I know that a matrix is the material (or tissue) that connects other cells together. My book says:
In biology, matrix (plural: matrices... | {
"domain": "biology.stackexchange",
"id": 6670,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "cell-biology, terminology, anatomy, tissue",
"url": null
} |
ros, catkin, ubuntu
Original comments
Comment by gvdhoorn on 2017-11-12:\
I'm watching ROS tutorials and keep getting stuck:
and
After I do half of all the Youtube ROS examples in Part 1 [..]
The 'official' ROS tutorials are text only, so if you're watching videos that would have to be community contributed conten... | {
"domain": "robotics.stackexchange",
"id": 29341,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "ros, catkin, ubuntu",
"url": null
} |
ros-melodic, catkin
By the way,the 80 line of the Cmakelist is the same as what it is being when created.
If you want us to help you, you'll have to show us the code. We cannot guess what you see. | {
"domain": "robotics.stackexchange",
"id": 34480,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "ros-melodic, catkin",
"url": null
} |
ros, ros2, communication, ros-melodic, gui
Set a communication between machines. Since ROS is a middleware it provides a full set of characteristics and functionalities that will allow you to stablish a communication between machines. While one of your machines runs the ROS Master you will be able to configure a commu... | {
"domain": "robotics.stackexchange",
"id": 35058,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "ros, ros2, communication, ros-melodic, gui",
"url": null
} |
design-patterns, objective-c, mvc
According to MVC, the views shouldn't be handling their own data, something that my textfield and label seriously infringe. I need help determining what parts of my code to transfer into the view controller and model. Some specific questions I have are | {
"domain": "codereview.stackexchange",
"id": 1337,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "design-patterns, objective-c, mvc",
"url": null
} |
c#, wpf, mvvm, xaml
<TextBlock HorizontalAlignment="Left" Margin="10,0,0,0" TextWrapping="Wrap" Text="{Binding CreateOutputAudioRetime, UpdateSourceTrigger=PropertyChanged}" VerticalAlignment="Top"/> | {
"domain": "codereview.stackexchange",
"id": 13190,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "c#, wpf, mvvm, xaml",
"url": null
} |
complexity-theory, np-complete
Title: Strong NP-completeness of permuted kernel problem The permuted kernel problem is NP-complete problem by simple reduction from partition problem. In fact, it is strongly NP-complete by reduction from 3-partition. The literature points to Garey and Johnson for the reduction from 3-p... | {
"domain": "cs.stackexchange",
"id": 20881,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "complexity-theory, np-complete",
"url": null
} |
newtonian-mechanics, work
The sensation of getting tired has almost nothing to do with how much external work you do. A human is a very inefficient machine and tiredness is a very non-specific measurement. Whenever you are formulating a question in those terms it is likely not relevant to the underlying physics.
The ... | {
"domain": "physics.stackexchange",
"id": 65796,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "newtonian-mechanics, work",
"url": null
} |
but it didn't help (I found that 0 Latex > FAQ > Latex - FAQ > LateX Derivatives, Limits, Sums, Products and Integrals. This integral is improper at infinity only, and for large t we know that t3 is the dominant part. The common way that this is done is by df / dx and f'(x). (L points) et C be the half cylinder bounded... | {
"domain": "lotoblu.it",
"id": null,
"lm_label": "1. YES\n2. YES\n\n",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9901401446964613,
"lm_q1q2_score": 0.8548786884085159,
"lm_q2_score": 0.8633916047011594,
"openwebmath_perplexity": 849.5232301045739,
"openwebmath_score": 0.9671174883842468,
"tags":... |
(Depth-first Search) Chapter 3: pp. Iterative algorithm. In divide and conquer approach, a problem is divided into smaller problems, then the smaller problems are solved independently, and finally the solutions of smaller problems are combined into a solution for the large problem. It turns out that Matrix multiplicati... | {
"domain": "claudiaerografie.it",
"id": null,
"lm_label": "1. YES\n2. YES\n\n",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9835969650796874,
"lm_q1q2_score": 0.8436981083867225,
"lm_q2_score": 0.857768108626046,
"openwebmath_perplexity": 1385.7947430231193,
"openwebmath_score": 0.6192194223403931,
... |
c++, ai, visitor-pattern
Do you need the visitor pattern?
Given your history of questions on Code Review, I sense a pattern (pun intended): you are trying to write code that excercises each design pattern out there. While it might be good to know about design patterns so you know how to implement them when you really ... | {
"domain": "codereview.stackexchange",
"id": 44260,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "c++, ai, visitor-pattern",
"url": null
} |
newtonian-mechanics, forces, energy-conservation, work, potential-energy
Title: Work done when jumping When I jump in the air I have a sudden increase in kinetic energy, this energy must have come from the work done due normal force on the system (me).
My question is since the work done is (force)$\times$(displacemen... | {
"domain": "physics.stackexchange",
"id": 79163,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "newtonian-mechanics, forces, energy-conservation, work, potential-energy",
"url"... |
iff $A$ fits none of the above criteria. It is not an easy task to check the definiteness of a matrix by using the definition given above. Details. You can check that if $M$ satisfies neither of these conditions, then it must satisfy one of the rows of the purple box. Before we do this though, we will need to be able t... | {
"domain": "jabeplastic.ir",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9811668728630677,
"lm_q1q2_score": 0.8239191491302249,
"lm_q2_score": 0.8397339656668287,
"openwebmath_perplexity": 591.2567837159927,
"openwebmath_score": 0.6519129872322083,
"tags":... |
optics, reflection, geometric-optics, polarization
But what about corner reflectors? Or cat's eyes on bicycles and retroreflectors on clothes like sailor jackets, life vests, working clothes etc. (no idea how these retroreflectors work at all...)?
And how is all this in case of circular polarisation instead of linear ... | {
"domain": "physics.stackexchange",
"id": 78888,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "optics, reflection, geometric-optics, polarization",
"url": null
} |
natural-disasters, flooding
Title: How quickly do landslides occur? When a landslide occurs, how long does the ordeal typically last? | {
"domain": "earthscience.stackexchange",
"id": 1618,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "natural-disasters, flooding",
"url": null
} |
python, performance, strings, memory-management, comparative-review
%timeit strmatch_listcomp
10000000 loops, best of 3: 22.9 ns per loop
%timeit strmatch_gen
10000000 loops, best of 3: 21.8 ns per loop
According to the results, there may no difference between these approaches. For memory use, similar results can be... | {
"domain": "codereview.stackexchange",
"id": 10390,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "python, performance, strings, memory-management, comparative-review",
"url": ... |
c, comparative-review, database
size_t n1;
n1 = fwrite(&new_db_file->header, sizeof(pictdb_header), 1, new_db_file->fpdb);
if (n1 != 1) {
return ERR_IO;
}
size_t n2;
n2 = fwrite(new_db_file->metadata, sizeof(pict_metadata), new_db_file->header.max_files, new_db_file->fpdb);
if (n2 != n... | {
"domain": "codereview.stackexchange",
"id": 20117,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "c, comparative-review, database",
"url": null
} |
newtonian-mechanics, waves, molecular-dynamics
will be well-coupled at 2000Hz, 3" at 4000Hz, 1.5" at 8000Hz, and so on. This is why the tweeters in your hi-fi speaker system have a cone diameter of about 1", the midrange will be 4", and the bass will be 12"- or as big as you can fit into the enclosure of your choice. | {
"domain": "physics.stackexchange",
"id": 56603,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "newtonian-mechanics, waves, molecular-dynamics",
"url": null
} |
ros, ros2, parameter
But, if you don't know the names ahead of time, then you can have the node automatically declare all of the parameters in the yaml file (we consider them to be overrides, so we refer to those as "parameter overrides") with this option:
http://docs.ros2.org/dashing/api/rclcpp/classrclcpp_1_1NodeOpt... | {
"domain": "robotics.stackexchange",
"id": 33198,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "ros, ros2, parameter",
"url": null
} |
protein-structure, docking
Title: How to choose docking score cutoff? I made a virtual screening of a large database (~5M) and want to filter ligand structures for further more accurate screening (from Schrodinger HTVS to SP resolution). My next step is to define a cutoff docking score, but it seems arbitrary to choos... | {
"domain": "bioinformatics.stackexchange",
"id": 1646,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "protein-structure, docking",
"url": null
} |
c++, parsing
return result;
}
};
This makes it easy to use:
int main(int argc, char* argv[])
{
Mapper mapper(argv[1]);
std::ifstream input(argv[2]);
std::string line;
while(std::getline(input, line))
{
std::string result = mapper.replace(line);
std::cout << result <... | {
"domain": "codereview.stackexchange",
"id": 3911,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "c++, parsing",
"url": null
} |
automata-theory, parsing
In essence, rather than finitely many states, we have infinitely many, including one state representing the interior of an element for each possible tag name. The transition relation would need to somehow capture the tag name and send it to the next state.
I haven't worked out the formal detai... | {
"domain": "cstheory.stackexchange",
"id": 4721,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "automata-theory, parsing",
"url": null
} |
algorithms, sorting, efficiency
The original quicksort used the first element of the array as pivot, this was quickly abandoned for a (pseudo)random element, typically the middle. Some implementations changed to median-of-three (random elements) to get a better pivot, recently a median-of-5-median (of all elements) wa... | {
"domain": "cs.stackexchange",
"id": 7812,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "algorithms, sorting, efficiency",
"url": null
} |
# Can you introduce a tautology directly into a proof?
For the sake of simplicity, let us restrict the context of this question to classical propositional logic. When formally evaluating the validity of an argument, is it permitted to immediately introduce a proposition that is a tautology? For example, given the prem... | {
"domain": "stackexchange.com",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9496693659780479,
"lm_q1q2_score": 0.8333128152998677,
"lm_q2_score": 0.8774767778695834,
"openwebmath_perplexity": 403.7317772055527,
"openwebmath_score": 0.6976054906845093,
"tag... |
Proof of obtaining multiple of 10 by using arithmetic operations on any three numbers
While doing a few math puzzles I noted that you could take any three numbers (integers) and use basic arithmetic operations (Addition, Subtraction, Multiplication and Parentheses only) to obtain a multiple of 10, using each number on... | {
"domain": "stackexchange.com",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9766692305124305,
"lm_q1q2_score": 0.8618401407831018,
"lm_q2_score": 0.8824278618165526,
"openwebmath_perplexity": 323.0975641751593,
"openwebmath_score": 0.9033935070037842,
"tag... |
thermodynamics, entropy, universe
As you increase the temperature, the atoms will move more and more erratically, and will have diverse speeds at any given time.
As you cool it, the particles will move slower and slower, until perhaps they freeze in place, forming a solid.
Which of the two - the still, regular lattice... | {
"domain": "physics.stackexchange",
"id": 93591,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "thermodynamics, entropy, universe",
"url": null
} |
electrostatics, polarization, dielectric, dipole
But then, what exactly should the size of $d\tau'$ be?
If we say it is of the order of the sphere over which we do the field averaging, then how can we perform the integral over the inner sphere? In fact, the outer integral also suffers a similar issue since, suppose I... | {
"domain": "physics.stackexchange",
"id": 95066,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "electrostatics, polarization, dielectric, dipole",
"url": null
} |
conventions, dimensional-analysis, physical-constants, weak-interaction, electroweak
$$
we need to the omitted powers of A and V, i.e., the powers of ℏ and c to be reinstated in, e.g., an SI expression.
From basic QFT considerations outranging this discussion, we know a priori
$$
[G_F]= [M L^5 T^{-2}]~~~\implies \\
[... | {
"domain": "physics.stackexchange",
"id": 84404,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "conventions, dimensional-analysis, physical-constants, weak-interaction, electrowe... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.