text stringlengths 70 452k | dataset stringclasses 2
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|---|---|
how to detect size mismatch between variable and mask with bitwise operators
I want to check that a bitwise operator mask being used with a variable in a C source file is within the minimum range of the variable. I do get a warning if I cast the too large mask however I would prefer to not require a cast to trigger the... | common-pile/stackexchange_filtered |
Avoid pyramid of doom using angular $q and Stripe
I'm attempting to do some promise chains using angular's implementation of $q, but seem to have hit a roadblock with almost being forced in to a pyramid-of-doom situation.
What I would prefer to do:
function doYetAnotherAsync() {
return $q(function(resolve, reject){... | common-pile/stackexchange_filtered |
Print Sentences of Array, If They Contain the Given Word
I hope it won't be difficult to figure out these symbols. I need to print all the sentences from sentences[] which have the same index as the sentences of sentencesRemovedPuncts[] having the word "մի՛" (in this case, in general any word) in them.
var sentences = ... | common-pile/stackexchange_filtered |
Google Chrome: Error 21 (net::ERR_NETWORK_CHANGED)
On Kubuntu 17.04 Zesty i keep getting error 21 (net::ERR_NETWORK_CHANGED). After refreshing pages are loaded well. My downloads are also interrupted because of this error. On Firefox everything is just OK.
What can be reason of this error? I don't think it is caused by... | common-pile/stackexchange_filtered |
Distributing python packages to an online repo without exposing source code
So my problem is as follows. I have an online repository where I host my package. I'd like my end user to install it using:
pip install git + ssh
The source code is written in C and I would like for the users to not be given access to it. Is it... | common-pile/stackexchange_filtered |
'Name not resolved' error in API fetch function
I wrote the following code to fetch data from an API:
fetch("https://crossorigin.me/https://swapi.co/api/people/1")
.then(response => response.json())
.then(data => console.log(data))
unforunately, it threw this error:
GET https://crossorigin.me/https://swapi.co/api/peo... | common-pile/stackexchange_filtered |
In software development, do employers demand more from hourly employees?
Here in the USA, employees who are software developers are typically paid an annual salary, or less often, an hourly salary. Here, I'm referring to W-2 employees, not contractors.
As well-paid employees, employers expect software developers to de... | common-pile/stackexchange_filtered |
Need prove that the $\lim_{(x,y)\to(0,0)}\frac{x^2y^3}{3x^2+ 2y^3}$ exists using epsilon-delta.
Prove that the limit is zero:
$$ F(x, y)= \frac{x^2y^3}{3x^2+ 2y^3}$$
Definition1. Let $ U ⊂ R^n$ be an open set and letf : $U→R^m$ beafunction with domain U. Let x0 be a vector in U or on the boundary of U. Let b∈Rm. W... | common-pile/stackexchange_filtered |
Targeting S+ (version 31 and above) error on Android
I try to upgrade com.google.android.gms:play-services-ads library to 20.0.0 from 19.0.0. and I'm getting this error:
Targeting S+ Error
App versions:
my app versions
Gradlle: 4.2.2
Kotlin: 1.6.10
I tried to upgrade other libraries which use same library to avoid clas... | common-pile/stackexchange_filtered |
How to start IBM Cognos Dashboard Embedded>
Although I create IBM Cognos Dashboard Embedded, I can't find any associate service to start dashboard.
How to solve this problem?
IBM Cognos Dashboard Embedded is a service which can be used to embed analytic dashboards into other apps. Thus, you have to code up your own "h... | common-pile/stackexchange_filtered |
Displaying buttons on Skype for Business application
I am able to create and access the buttons on Skype (using HeroCard) and its working as per expectations.
The same code is expected to be deployed on Skype for Business as well.
As per the investigation done (see link - https://docs.botframework.com/en-us/channel-ins... | common-pile/stackexchange_filtered |
How to use custom metrics in Keras model while using Grid Search CV?
I want to use R2 (Coefficient of determination) as metrics in my Keras model. For that, I have already defined a function (coeff_determination). This function as a metric works well without Grid Search CV but with grid search cv it gives an error like... | common-pile/stackexchange_filtered |
Add a row (array) to an empty matrix
I would like to add a row (array) to an empty matrix.
Like adding an array to an empty array:
a = []
a << [1,2,3]
=> [[1,2,3]]
So I tried the following:
require 'Matrix'
m = Matrix[]
m.to_a << [1,2,3]
# => Matrix.empty(0, 0)
then the following:
m = Matrix[]
Matrix.rows(m.to_a <<... | common-pile/stackexchange_filtered |
Causing push_back in vector<int> to segmentaion fault on what seems to be simple operation
I'm working on a program for Project Euler to add all the digits of 2^1000. So far I've been able to track the program segmentation faults when it reaches around 5 digits and tries to push a one onto the vector at line 61 in the ... | common-pile/stackexchange_filtered |
Using st.countTokens() in my Java code doesn't work as intended
I am coding in Java and trying to use a while loop to add all of the values of a string to an array that were set up as tokens separated by commas. At some point, the values just turn into 0, and I don't know why.
My array is a double array called "prices"... | common-pile/stackexchange_filtered |
Minimize correlation between input and output of black box system
I am not sure if "minimize correlation" is the right title for this issue but I could not find a better sentence to describe what I would like to achieve.
Let's say that I have a black box with multiple inputs and a single output. I know one of the input... | common-pile/stackexchange_filtered |
Select output line in java for eight channel sound card
edit: I am now using Jack (Jack Audio Connection Kit). See answer below.
I have a soundcard on my Raspberry Pi with 8 output channels (four stereo channels), an Octosound card. What I want to do is select one of the channels to route sound to.
With this code I pr... | common-pile/stackexchange_filtered |
Ubuntu not connect internet
My ubuntu server 20.04 one day suddenly lost its network and when ping google, the program said:
Temporary failure in name resolution
And sometimes spam out 5-6 lines like that:
[10996.368815] r8169 0000:02:00.0 enp2s0: rtl_eriar_cond == 1 ( loop: 100, delay: 100 )
[10996.390953] r8169 0... | common-pile/stackexchange_filtered |
AngularJS Promise is executed before the data is fetched from Database
I am using angular Promise to execute the functions which are dependent on the data array fetched from the database.
I used resolve and promise to do that as below.
function Mainctrl($q,MyService){
var defer=$q.defer();
defer.promise
//T... | common-pile/stackexchange_filtered |
Image doesn't display although there's data in MySQL database
Currently, I have a problem with my project. In the MySQL database, there are two columns named photo before and photo_after with formated BLOB. I use base64 to decode the image when displaying it to a PHP page.
The main problem is if there have data in colu... | common-pile/stackexchange_filtered |
How to make dynamically created object's event handler reference a DGV object in another class?
I've created a class dgvRoll which I am using to write dynamic methods for DataGridView controls that are assigned to Form1 at runtime. I also added a slider control to the DGV which I fitted onto a cell. Find visual referen... | common-pile/stackexchange_filtered |
How to keep a detective looking for the reason for a suicide
Something I'm working on in my mind- a detective is called in to investigate what turns out to be a man having taken his own life. Once it's confirmed to be a suicide, it stands to reason the detective's superiors would want him to close the case and move on,... | common-pile/stackexchange_filtered |
How many turns of a 737 trim wheel equal 2.5 degrees stabilizer deflection?
After the well known crashes I looked at the question of stabilizer trimming. In case of trim runaway the pilot is supposed to "grasp and hold" the wheel manually steering the stabilizer. Hence my question: how many turns of the wheel to achiev... | common-pile/stackexchange_filtered |
Can I scale text horizontally with TikZ?
I'm trying to draw circles in TikZ with 1-3 digit numbers inscribed into them. The numbers should all have the same height and should be squashed horizontally to fit into the circle. The height should be based on a good fit for single digit numbers.
I guess I could achieve this ... | common-pile/stackexchange_filtered |
Is ADB backup on a Chromebook somehow different than on PC?
I'm attempting to run adb -t ... dev# ... shell backup -nosystem (with or without -f ~/backup.bk. For some reason, nothing appears in the device notifications, and on the terminal side no error or other indication is given but the bu help text gets echoed bac... | common-pile/stackexchange_filtered |
Where default PATH environment variable is defined
I've written a simple experiment which consists of cpp and shell. The main thing that cpp does is execve("./test.sh", NULL, NULL);, and shell tries to output environment variables as follows:
printenv
echo "PATH: $PATH"
It's quite expected that the environment is empt... | common-pile/stackexchange_filtered |
How to drop test and development database in one rake task?
I tried to drop the test and development databases from one rake task like this:
task :regenerate do
Rails.env = "test"
Rake::Task["db:drop"].invoke
Rails.env = "development"
Rake::Task["db:drop"].invoke
end
The test database was dropped successfully.... | common-pile/stackexchange_filtered |
Ruby GC::Profiler no output
I'm running a ruby script and trying to see the GC stats on it, but the output is just empty string. Here are the contents of my script:
class NumberPool
...
attr_accessor :sets
def initialize
@sets = []
end
def allocate
allocated_number = Random.rand(min_bound..max_bou... | common-pile/stackexchange_filtered |
Install Pytorch dependencies (torchtext + torchdata + torch) with cuda and A100 GPU
For my project, I need to use pytorch, torchtext, and torchdata.
However, I get the following error with the following versions
torch==1.12.0+cu102
torchtext==0.13.0
torchdata==0.4.0
NVIDIA A100-PCIE-40GB with CUDA capability sm_80 is n... | common-pile/stackexchange_filtered |
Copying an ssh-key to multiple servers/logins using shell script
I am setting up SSH keys on my servers and I am trying to write a script to copy them all out. Basically what I want to do is copy the ssh id from server 1 to server 1-10, then log into server 2 and copy the ssh id from server 2 to server 1-10.
I have an... | common-pile/stackexchange_filtered |
Troube with getting a Single<T> call to work in RxJava and Android
I have a MVVM architecture in my Android app. In an activity, I invoke a method to try to create something from service/repository and return it. I am using RxJava.
Here is the flow:
I click something in view, it invokes method in the Activity.
Method ... | common-pile/stackexchange_filtered |
Manual SOAP Serialization in Windows Store Apps
This is a continuation of my previous question regarding the Expect100Continue Header not being able to be removed in Windows Store apps, for reference: ServicePoint.Expect100Continue for Windows Store Apps
I stepped back now and am now using the HttpClient to manually PO... | common-pile/stackexchange_filtered |
HTTP 1.1 400 Bad Request - Android client Asana
I am just playing around with the Asana API.
So whenever I make a request, I am always getting back Bad Request error.
So what I got is this:
public class Asana {
private static String apiKey;
private DefaultHttpClient httpClient;
private final String apiUr... | common-pile/stackexchange_filtered |
BackgroundWorker not working properly
I'm using a background worker because some method in my program need time for download the data from internet. This method "block" for 5-6 second the software, so I want use the background worker to execute the method like a thread. In my class I've create this:
private Background... | common-pile/stackexchange_filtered |
Cookie to prevent Javascript from loading beyond first visit
I have an "Enter Site" button leading to my splash page and I would like to to only appear on the first visit, not on refreshes. Is there a way I can send a cookie on the click event of my button? I've found similar tutorials but nothing exact
I discourage ... | common-pile/stackexchange_filtered |
What is ejb-client type in Maven POM?
What is this element doing? I don't find any documentation or why you want to use that.
<type>ejb-client</type>
I thought you know how to Google: http://maven.apache.org/plugins/maven-ejb-plugin/examples/ejb-client-dependency.html
As Shivan Raptor pointed it out, ejb-client type... | common-pile/stackexchange_filtered |
Code::Blocks 17.12 not compiling
I am having a problem.
I am running Ubuntu 17.10 and Code::Blocks 17.12. When I try to compile a simple "Hello World" program it gives me this error:
-------------- Build: Debug in test5 (compiler: GNU GCC Compiler)---------------
g++ -Wall -fexceptions -g -std=c++11 -c "/home/user... | common-pile/stackexchange_filtered |
In compressive sensing, what is the optimal dimension of the measurement matrix?
I have a sparse data vector ${\bf x} \in \mathbb{R}^n$, as part of a very large dataset. Approximately 75% of the data are zeros and I need to identify and work with a lower-dimensional version of this space. I have to do this using the fo... | common-pile/stackexchange_filtered |
US citizen flying to France today and my passport expires in less than 2 months
I'm an American citizen and I have a flight out to France today. One of my travel companions informed me that having a passport that expires in less than 2 months (on June 19th) might be a problem. Will I be able to travel or am I not going... | common-pile/stackexchange_filtered |
How to check if message from telegram channel is image Python
I need to check if last message from channel is image. If message include image I need to save that image as variable for later usage. (In this situation tesseract.image_to_string). I have this code but it isn't working.
async def get_mess():
limit = 1
... | common-pile/stackexchange_filtered |
Maven Dependency error in Eclipse
I have a war artefact and I need use some of their classes from a jar.
I can't move the classes to another project, then I deploy the classes and resources included in my webapp as an "attached" artifact using the following configuration:
<plugin>
<artifactId>maven-war-plugin</arti... | common-pile/stackexchange_filtered |
Is there any alternative to IMPORTRANGE to cross update the sheets?
I used the IMPORTRANGE but we cannot edit the data in another sheet where we fetched this. I found this script but same case here also.
Is there any method or script so we can import only a few columns and cross update them from both/any of these sheet... | common-pile/stackexchange_filtered |
how to post a message on a friends facebook wall using c# sdk
using facebook c# sdk, I'm able to post to my wall but when I try to do it on my friend's wall, it just does not show, any ideas why this could be happening?
this works
client.Post("me/feed", parameters);
this does not work
client.Post("friends id/feed", par... | common-pile/stackexchange_filtered |
How to delete remote branch (e.g. Github) from command line?
I have a git repository in my local machine:
I add a new branch called test and add a few commits
Then I checkout to master branch and add commits to it.
So I use git push --all github and continue working on master.
After some time I decide to completely rem... | common-pile/stackexchange_filtered |
T4 Template to generate first cut of GUI (aspx) derived from database?
I'm wondering if anyone has come across any existing T4 templates to reverse engineer a database into a first cut at an ASPX GUI. It would be nice to be able to design your database, run it through a code generator for the data access layer, but al... | common-pile/stackexchange_filtered |
UseContext Get Data from API Returns null
I am trying to get data from the user but it always returns null, the problem here that the return function runs first so the getUser is null how can i render the useEffect before it returns the provider ?
Here is my code :
import React, { useState, useEffect } from 'react';
im... | common-pile/stackexchange_filtered |
Nginx not able to fetch files in /location alias
my server.conf config is simple:
server {
listen 80;
root /usr/share/nginx/html/sipml5;
location /well-known/ {
alias /tmp/tmp/;
}
}
There is file named "test.txt" inside /tmp/tmp/test.text
However when i point my browser to http:///well-known/test.t... | common-pile/stackexchange_filtered |
I use Valgrind in linux to check leak memory in c but i don't find were is the leak in my function "join"
I create a function Join who returns a string which is the concatenation of two character strings.
When I use Valgrind in my program I have a malloc leak by join but I don't find where is a leak in the code.
If any... | common-pile/stackexchange_filtered |
Stuck solving a nonlinear inequality
$$\frac { x+2 }{ x+3 } <\frac { x-1 }{ x-2 } $$
This is what I got so far:
$$\frac { x+2 }{ x+3 } -\frac { x-1 }{ x-2 } <0$$
Now I am completely lost because I don't know the next step. This problem would take a combination of rules that I already learned to solve, but I don't know ... | common-pile/stackexchange_filtered |
Check if current date is between two given dates
I want to check if current date is between two given dates. I do the following
NSDate *now = [NSDate new];
NSLog(@"Now is %@",now);
NSCalendar *myCalendar = [[NSCalendar alloc] initWithCalendarIdentifier: NSGregorianCalendar];
NSDateComponents* components = ... | common-pile/stackexchange_filtered |
How to add a choice field in JS Grid control
I need to add a choice field (dropdownlist) in each row of a JS Grid control. What is the PropertyID for a choice field. How to add a dropdown. Please assist.
i tried like this,but this didnt work
else if (dc.DataType == typeof(Enum))
{
gf.Propert... | common-pile/stackexchange_filtered |
Determining the token address of a cNFT to display it on solscan
I have the use case of displaying the link to a cNFT once it is minted, example link is: https://solscan.io/token/4xFqEN4ff7ed38Fqf7Fo8VdcN2pK1jsNcd8k9RMQ88fV#txs
I am using @metaplex-foundation/mpl-bubblegum javascript library to mint cNFTs. How can I pr... | common-pile/stackexchange_filtered |
Custom numbers in input type="number"
Can I add to my input type="number" custom values?
I would like to put in only : 1, 2, 4, 8, 16 and 32.
Now I can't find other options than steps or max/min, but I don't know how can I do with this.
Hope you help me,
Greets
No, you can't do that with a custom type. However, you ca... | common-pile/stackexchange_filtered |
Delegating constructors and reference parameters
I would like to implement several constructors for my class via overloading. As I understand the way to do this idiomatically, following the DRY principle, is using a feature called delegating constructors. I also have seen thoughts about using reference parameters every... | common-pile/stackexchange_filtered |
Nuxt3 AWS Lambda deployment with CodePipeline and CloudFormation error in .output/public directory
I'm trying to deploy a Nuxt3 app on AWS Lambda through a CodePipeline/CodeBuild buildspec.yml that runs a CloudFormation stack template. Here's a part of template/staging.yml that sets up the AWS Lambda
FrontendLambdaFunc... | common-pile/stackexchange_filtered |
accessing ctime does not return the creation time of a file
I have a file with this from the info (mac os):
Created: Tuesday, 26 May 2020 at 11:21
Modified: 26 May 2021 at 15:40
And after some research I tried to do:
ctim := fi.Sys().(*syscall.Stat_t).Ctim
atim := fi.Sys().(*syscall.Stat_t).Atim
mtim := fi.Sys().(*sy... | common-pile/stackexchange_filtered |
Declaring a variable in postgres from python
I have a variable whose value is set by the user each time the person runs a query. I am running this script in python which then makes a call to a postgres database. I am hoping to first assigning a value to the variable in one piece of sql code and then I am hoping to ca... | common-pile/stackexchange_filtered |
Ajax Jquery Function response
I am learning to use jQuery Ajax. What does function(response) mean and what is the meaning of response == 1 and response == 2?
jQuery.post(ajaxurl, data, function(response) {
if (response == 1) {
$saveAlert.addClass('is-success').delay(900).fadeOut(700);
setTimeout(function() {
... | common-pile/stackexchange_filtered |
Magento 2: Include static resources (JavaScript, CSS, fonts) before </head>
How do i Include static resources (JavaScript, CSS, fonts) before in Magento 2?
i follow the docs magento 2 Include static resources (JavaScript, CSS, fonts)
i have copied the file from base theme to the extended theme
my_extended_theme_dir/... | common-pile/stackexchange_filtered |
ReactJS onClick setState to different element
I am new to react, and I am having a little issue. Maybe somebody can help me out.
So the issue is that I am unable to triger the element I want with onCLick function. Now I am trying to remove the navigation when
import React from "react";
import ReactDOM from "react-dom... | common-pile/stackexchange_filtered |
SVG different display depends on the html tag
im using Angular 15. I noticed weird thing, when i add svg circle by tag it displays properly, but when i put it as just raw svg it displaying weird. See screenshots.
Icon added by img tag:
enter image description here
Icon added just by raw svg:
enter image description he... | common-pile/stackexchange_filtered |
Local path URI in C# WPF
If I use an open file dialog box that returns the absolute value of the file this works just fine:
BMP = new BitmapImage(new Uri(filename));
However, I want to have a text file that contains the names of the files, like this:
01TopographicalMap.bmp
01ElevationCompressed.elv
01Terrain.trn
01P... | common-pile/stackexchange_filtered |
How efficient is (Guile) Scheme's reverse function
It is very easy to use Scheme's reverse function, for example after creating a list in reverse order with (cons new-obj my-list) rather than (append my-list (list new-obj)).
However, I'm wondering how efficient that part would be. If a Scheme list is a singly linked li... | common-pile/stackexchange_filtered |
Jspm and jspm-server hot reloading error: "Change to X cannot be handled gracefully" & "Change occurred to a file outside SystemJS loading"
I've written a simple es6 module which I'm trying to get Hot-reloading using jspm + jspm-server (fork of live-server). Accorcding to the docs, to mark any es6 file as hotreloadable... | common-pile/stackexchange_filtered |
jquery globalize: how to add the modules I need to the project
They examples and the code only mention in passing how to use only the modules you need.
For example, if you need the date formatter, how do you consume it?
Do you just munge it together in the same with globalize.js, or load it somehow separately, similar ... | common-pile/stackexchange_filtered |
Single image texture is not rendering correctly
The problem is that when I render the image, the single image view texture seems like it getting scaled on the Z axis. It looks fine in the Cycles render preview. I UV unwrapped the cup and it seems to work fine up until the final render.
I am not sure what I am doing wro... | common-pile/stackexchange_filtered |
Changing client_min_messages and log_min_messages
Hi Im trying to change the default value of client_min_messages and log_min_messages from postgres user, it works in the session but then if I restart it comes back to default settings.
Do I need to do something extra?
Ive already tried with pg_reload_config, commiting,... | common-pile/stackexchange_filtered |
Partition of $\Bbb N$ into infinite number of infinite disjoint sets: please help me understand a specific proof
Partition of N into infinite number of infinite disjoint sets?
One answer for the above question about "Partition of N into infinite number of infinite disjoint sets" is the following (from Shai Covo):
Let
... | common-pile/stackexchange_filtered |
Why does the home folder eats few gigabytes(say 6gb) of its allocated space where that space lies and used for what?
Recently i installed timeshift for backup system recovery....it ate up half of the drive and i decided to uninstall timeshift.... and i decided to clean up the system as well by referring to some sites..... | common-pile/stackexchange_filtered |
Add command line argument to Makefile from CMake
I am using CMake to create a makefile for my project. I would like my Makefile to have several if's like:
ifeq "$(ARM)" "1"
# do something
endif
Is something like that possible from CMake?
It depends entirely on what your # do something actually is. The short answer... | common-pile/stackexchange_filtered |
When was the second season of "The A List" filmed?
The two seasons of The A-List were released about three or four years apart. In-universe, not much time seems to have passed between the first season of The A-List and the second one: in the first episode, the protagonists say that they have been interned in the facili... | common-pile/stackexchange_filtered |
How to accept comma-delimited list to build tags for model?
I'm switching off of acts_as_taggable_on because of limited flexibility for my current application. Instead, I'm building my tags from scratch as their own model. However, I already miss the<EMAIL_ADDRESS>method for forms, that would split up comma-delimited ... | common-pile/stackexchange_filtered |
WPMU Domain not pinging
I have set up a WPMU setup and used my primary domain as the www. version of topmmorpg100.com
This has however caused me a few issues, as a simple command to ping topmmorpg100.com without the www. seems to fail. This is causing some problems when signing up for services of which the domain is pi... | common-pile/stackexchange_filtered |
How to resource a file from within a function
I have a shortcut -- ⌘s to save a file. If it's not a vim file it will just run a :w, and if it hasn't been saved to a file yet it will ask the user for a filepath or name. However, if it's a vim file, I want it to do :w | so %. However, I'm having trouble sourcing a file f... | common-pile/stackexchange_filtered |
How to insert multiple rows using a prepared statements
I'm working on a bulk insertion class, and I have decided to use prepared statements to import my rows into the database. (Data can be entered in an invalid state, and fixed later, so it makes no sense to go through ActiveRecord).
To insert one row at a time, I ca... | common-pile/stackexchange_filtered |
Emulate a BLE in peripheral ( mimic temp sensor) in ubuntu using BLE dongle
Need guidance on how a BLE dongle connected to my ubuntu can be used as a BLE peripheral in order to mimic a BLE temp sensor. Using this, I should be able to push out pre-defined temp data via BLE dongle in peripheral mode.
Which BLE dongle ? ... | common-pile/stackexchange_filtered |
Use css within jQuery?
How would you use CSS within a jQuery script, so that if javascript were disbaled within the browser both the jQuery script and CSS would not show up?
I might be a little confused. If you apply any css styles dynamically from within javascript, then those same styles will necessarily not be app... | common-pile/stackexchange_filtered |
Auto-Layout: Get UIImageView height to calculate cell height correctly
So far I have been just using text labels within cells that should auto-size themselves. I usually put constraints to all of the edges (content view or neighbors) and add the following lines to my viewDidLoad():
// 190.0 is the actual height of my c... | common-pile/stackexchange_filtered |
Web3: OverflowError: Python int too large to convert to C ssize_t
When trying to call some view function, for some huge amounts of input values I get the error
OverflowError: Python int too large to convert to C ssize_t
For example, bellow produces the error: (The input value is 2*10^24)
pancakeContract.functions.ge... | common-pile/stackexchange_filtered |
Optimal Krylov subspace dimension and iteration limits for eigs
When using the eigs function in MATLAB, which is based off of ARPACK, one can manually modify the maximal dimension of the constructed Krylov subspaces, the maximum iteration counts, and the error tolerance. The defaults are min$(2k, 20)$ (where $k$ is the... | common-pile/stackexchange_filtered |
Other than binary search, are there other algorithms that have a running time of O(log n)?
Understanding the runtime of an algorithm has been the achilles heel in my understanding of computer science principles. Binary search keeps coming up as the prevailing example of logarithmic runtime. Common analogies include the... | common-pile/stackexchange_filtered |
button.Click event how to make it display decimal f
So I want button3 to calculate 'f' and display it in label21 but it doesnt
seem to work
private void button3_Click(object sender, EventArgs e)
{
button3.Click += new EventHandler(this.button3_Click);
decimal b, f = 1;
b = numericUpDown... | common-pile/stackexchange_filtered |
Strange problems driving an Optocoupler (PC123) with a Nano
I'm having some strange issues getting a Nano to drive a PC123 optocoupler properly.
What I'm trying to do: In the real world, I need to press a button ONCE, and have the device that I'm connecting this too, see FIVE quick button presses... (Input 1 press, and... | common-pile/stackexchange_filtered |
Win7 and Win10 difference in WPF application
WPF application look and feel is different in Win7 & Win10 versions as shown in the attached figure. All the controls have red border but in Win10 the following behavior is noticed. Textboxes (on hover and selection) and comboboxes border changes to blue color in Win 10.
Th... | common-pile/stackexchange_filtered |
Is there a way to use reserved javascript keywords as Object keys in ejs?
Is there a way to use a reserved keyword such as void as an object key in ejs?
I was trying to pass an object as the view data which had void(a javascript reserved keyword) as a key.
const viewData = {
void: {
someKey: 'some value',
som... | common-pile/stackexchange_filtered |
install laravel9.1 by sail docker-compose cant build
After using sail build --no-cache command, apt-key is stuck。
mysql uses an image, skipping
redis uses an image, skipping
meilisearch uses an image, skipping
mailhog uses an image, skipping
selenium uses an image, skipping
Building laravel.test
[+] Building 3654.7s (7... | common-pile/stackexchange_filtered |
How to convert row data into different columns in SQL Server?
PONumbe LNSKU LNStyleNo LNStyl LNColor counter SizeDescription
164874 1059656<PHONE_NUMBER>0 LALALA RED 1 050B
164874 1059656<PHONE_NUMBER>0 LALALA RED 2 055B
I want to convert values of SizeDescription and counter i... | common-pile/stackexchange_filtered |
Watershed delineation using ArcSWAT
I want to delineate a watershed using ArcSWAT tool. Upon uploading the DEM from disk a window pops up & says:
Dataset must have a projected coordinate system. The current coordinate system is geographic. Please define a projected coordinate system of your DEM dataset using ArcToolbox... | common-pile/stackexchange_filtered |
NSWindow does not center by storyboard settings or programmatically
I have made an MacOS application with two windows. The first one is a fixed loading window, that only appear for a few seconds while loading the content for the main window.
The loading window is a small 400x300px window with no title bar, control butt... | common-pile/stackexchange_filtered |
Socket error messages change between Ubuntu 14.04 and 18.04 when connecting to a server with a wrong host name
I am working with a Daemon server running on Ubuntu 14.04. I have written a test where I try to connect to it with a wrong host name and I am capturing the server error message which is :
socket.gaierror: [Err... | common-pile/stackexchange_filtered |
Getting untrusted proxy message while trying to setup secure NIFI cluster
I am using nifi V-1.3, and trying to setup 3 node secure NIFI cluster.
I have added all the required properties, I can see nodes sending heartbeats in logs in all the nodes but on screen I'm getting Untrusted proxy message for all nodes. error sc... | common-pile/stackexchange_filtered |
Regex - match multiple suffix(longer or shorter)
I'm currently stuck on an issue with powershell regex since I am not able to get the desired output of Servername, instance name, and port if available. Admittedly, I have much to understand since I am new with regex.
Here is my setup and my findings so far
Data:
ZP0... | common-pile/stackexchange_filtered |
How to display all the id_following
My Code :
$this->db->join('followers','followers.id_follower = post.id_account','LEFT');
$id_account = $this->session->userdata('id');
$where = ("followers.id_following=$id_account or post.id_account = $id_account");
$this->db->where($w... | common-pile/stackexchange_filtered |
Java comparison with == of two strings is false?
String parts is String[6]:
["231", "CA-California", "Sacramento-155328", "aleee", "Customer Service Clerk", "Alegra Keith.doc.txt"]
But when I compare parts[0] with "231":
"231" == parts[0]
the above result is false,
I'm confused, so could anybody tell me why?
@PaulJ... | common-pile/stackexchange_filtered |
How to run Visual Studio Code locally with localhost?
I need help running localhost to connect with vs code. I am trying to open a phaser 3 game I built.
I have tried npm install -g
I keep getting permissions denied.
What else have you tried? What are the errors?
well do you have admin rights on your machine to insta... | common-pile/stackexchange_filtered |
base64 decoding to UTF-8, one character not displaying correctly
I am trying to decode a string from base64 to UTF-8 for an assignment.
Not having programmed Java for a while I am probably not using the most efficient method, however I managed to implement a function working 99% correctly.
Decoding the example string i... | common-pile/stackexchange_filtered |
"Video sniffing's form of parasitical subversion"
The following context is about sniffing CCTV's. What does "Video sniffing’s form of parasitical subversion" mean? And what is its difference from " tapping into live feeds"?
Nicholas Whybrow, Art and the City (Google Books)
Video sniffing’s form of ‘parasitical sub... | common-pile/stackexchange_filtered |
How to replace the \\ in a given string with empty?
How to replace the "\\" in a given string with empty?, such as for any given string "how \\ are \\ you" in a latex code, we want to get how are you, how to achiever this?
Are you willing and able to consider a LuaLateX-based solution?
pdflatex or latex compile mode,... | common-pile/stackexchange_filtered |
Rails/Multitenancy - How to transfer data from one account to another when using Apartment gem?
I am using the Apartment gem for multitenancy and this separates the database for each tenant. Now I have a request to make a function to copy objects from one tenant to another. I've come across this answer but I think this... | common-pile/stackexchange_filtered |
How to migrate existing data managed with sqeryl?
There is a small project of mine reaching its release, based on squeryl - typesafe relational database framework for Scala (JVM based language).
I foresee multiple updates after initial deployment. The data entered in the database should be persisted over them. This is ... | common-pile/stackexchange_filtered |
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