text stringlengths 70 452k | dataset stringclasses 2
values |
|---|---|
How can I sort a fixed-length array in golang?
I have the following multivariate array:
x := [2][3]int{
{3, 2, 1},
{3, 2, 1},
}
Both rows and columns are fixed-size.
I'm trying to check that the rows are sorted, and I undertand the sort function requires arrays without a known size. How can I ask the go to tr... | common-pile/stackexchange_filtered |
If $ \int_{0}^{b}f(x) \; dx =0$ then $ \int_{0}^{b}f(x+y_0) \; dx =0 $?
Let $f: \mathbb{R}_+ \longrightarrow \mathbb{R}$ be a continuous and periodic function, with period $b>0$. Let $ y_0 \in [0,b]$ be a fixed number.
Question. If
$$\frac{1}{b}\int_{0}^{b}f(x) \; dx =0 \tag{1}$$
then
$$\int_{0}^{b}f(x+y_0) \; dx =0 \t... | common-pile/stackexchange_filtered |
Why does std::operator>>(istream&, char&) extract whitespace?
I was compiling the following program and I learned that the extractor for a char& proceeds to extract a character even if it is a whitespace character. I disabled the skipping of leading whitespace characters expecting the proceeding read attempts to fail (... | common-pile/stackexchange_filtered |
Use concurrent futures with dictionary.items() to iterate through key, values
I want to scrape data from webpage in more efficient way. I read about concurrent futures but I have no idea how to use it in my script.
My function to take data from each link takes four arguments:
def scrape_data_for_offer(b, m, url, loc):
... | common-pile/stackexchange_filtered |
p5.js: make an animated spiral with line instead of ellipse?
I'm trying to animate a spiral using a line, but can only seem to get it to work using ellipses.
Does anyone know how to replace the ellipse() with line()?
here is the code:
var angle = 0.0;
var offset = 60;
var scalar = 10;
var speed = 0.05;
function setup(... | common-pile/stackexchange_filtered |
MySQL Join 4 tables returning only 1 row
Sorry for my bad English, I have requirement to get data from mysql 4 table but it only return 1 row.
table 1
col_2 in tabl 1 contain numeric data as reference from Table 2 col_2
+----+-------+---------+
| id | col_1 | col_2 |
+----+-------+---------+
| 1 | A | 4 |... | common-pile/stackexchange_filtered |
AWS CLI not working for VPN tunnel options
I am trying to use AWS CLI:
aws ec2 modify-vpn-tunnel-options
When I run it I get the following error:
aws: error: argument operation: Invalid choice.
But according to modify-vpn-tunnel-options — AWS CLI Command Reference above should work.
I have searched everywhere on go... | common-pile/stackexchange_filtered |
Set of all Linear Transformations and Vector Spaces
Consider the set of all linear transformations from $V$ to $W$ to be a vector space over $F$. What is the dimension of vector space? Demonstrate an explicit basis. You may use usual matrix arithmetic without proof.
I've been working on this question for a while and h... | common-pile/stackexchange_filtered |
Reverse Johnson transformation
I want to perform a regression and I have a data set with a left-skewed target variable (Murder) like this:
data("USAArrests")
str(USAArrests)
'data.frame': 50 obs. of 4 variables:
$ Murder : num 13.2 10 8.1 8.8 9 7.9 3.3 5.9 15.4 17.4 ...
$ Assault : int 236 263 294 190 276 204 ... | common-pile/stackexchange_filtered |
How to group by the last date in a month in pandas
I have a df
qty val date
10 100 2021-09-15
11 111 2021-09-22
20 222 2021-09-22
35 333 2021-09-15
45 444 2021-10-15
79 555 2021-10-15
79 555 ... | common-pile/stackexchange_filtered |
Does Bangladesh have something like Posse Comitatus Act?
I'm curious what's behind the reported Bangladesh army refusal to shoot protesters (unlike the police there). BTW, the government had declared an "indefinite nationwide curfew" a couple of days ago, which presumably was giving security forces extra power to preve... | common-pile/stackexchange_filtered |
Finding correlated or comoving stocks
I have a table of daily closing stock prices and commodity prices such as Gold, Oil, etc. I want to find what stocks move closely with another stock or a commodity.
Where do I start to do this type of analysis - I know java, SQL, python, perl, and a little bit of R.
Willing to buy ... | common-pile/stackexchange_filtered |
Unwinding promises and their handlers
I want to launch a sequence of tasks and I need they execute in order. When a button (#submitButton) is clicked on the entire process is launched (startAll function), so I implement an architecture like this:
function startAll()
{
var startDeferred, highPriorityTasksDeferred, lo... | common-pile/stackexchange_filtered |
Windows Update powershell
I want to make a powershell script that automaticly install all Windows Update, but im having some trouble getting is right.
My script works fine but the only issue im having is that the script still needs user input to work.
I have tried multiple parameters to force the install but every para... | common-pile/stackexchange_filtered |
Unable to launch a Program using Powershell
I am trying to launch a program 'Beyond Compare' using the PowerShell command
process=Start-Process -FilePath "C:\Program Files\Beyond Compare 4\BCompare.exe"
This works perfectly fine when I use it in Powershell. However, the same does not work when I use Tosca.
I am using ... | common-pile/stackexchange_filtered |
Killing an entire sas process
I have developed a SAS process in Enterprise Guide 7.1 that sends e-mails daily (if need be).
The way it works is this:
[external program] generates a file which specifies who needs to be emailed and the subject matter
.
My sas process then looks like this:
1. import this file.
2. manipu... | common-pile/stackexchange_filtered |
CentOS6 Apache - Virtual hosts
I was trying to set up a virtual host in apache on my CentOS6 server that handles queries of a subdomain.
Let's say, I have the domain 'example.com'. Now, I want to create the sub domain test.example.com that serves another html page than the main domain.
I searched already for some ins... | common-pile/stackexchange_filtered |
Calling a C++ function from C# program
I run into an issue calling a c++ function from a c# program. It works fine until I add the line "pcl::io::savePCDFileASCII("test_pcd.pcd", cloud);". Then I get the error:
Exception thrown: 'System.DllNotFoundException' in MIxed_Mode_Calling_App.exe
An unhandled exception of type ... | common-pile/stackexchange_filtered |
Vectorize a simple python loop with different numpy.roll for each row
I've searching a lot of similar questions, but no one seems to answer my particular problem, so finally I decided to make my own question.
I have an array with several independent time series, and I need to perform a roll which is different for each ... | common-pile/stackexchange_filtered |
Converting a date string which is before 1970 into a timestamp in MySQL
Not a very good title, so my apologies.
For some reason, (I wasn't the person who did it, i digress) we have a table structure where the field type for a date is varchar. (odd).
We have some dates, such as:
1932-04-01 00:00:00 and 1929-07-04 00:00:... | common-pile/stackexchange_filtered |
SpringBoot index not read
I am using springboot and download these template from the internet. It was supposingly in maven format, but i changed it to gradle.
The problem is that, when i run the application "bootRun", the project compiles without any problem, but it hit the whitelabel error. Any idea where could i go w... | common-pile/stackexchange_filtered |
Google fit data not retrieved with python
I created a service account in Google API to retrieve fit data.
If I try in the API playground it works fine (I could see the different data sources available)
If I try with the following code:
from google.oauth2 import service_account
import googleapiclient.discovery
SCOPES =... | common-pile/stackexchange_filtered |
node redirect not working on angular
hi I'm new to node and I'm building a simple MEAN stack app, to reduce the code I'm sending front end files like this
app.use(express.static(path.join(__dirname, 'public')));
i have also build a simple middleware for simple authentication
requireLogin = function (req, res, next) {... | common-pile/stackexchange_filtered |
Why does the ++ operator increase an integer by 4 and not by 1?
I've got some simple code in Objective-C wich consist of a button and a label. When you click the button once, the labels shows: "u hit me", if you click it twice, the message will be: "i did it again". But, if u hit the button 5x or more, the message shou... | common-pile/stackexchange_filtered |
SparseArray error: Call requires API level S
After incrementing compileSdkVersion to 31 (Android 12), and when lint check is performed, the following issue appears:
Error: Call requires API level S (current min is 23): android.util.SparseArray#set [NewApi]
Has someone had a similar issue after incrementing this, and wh... | common-pile/stackexchange_filtered |
How does ASLR work if in the assembly code the addresses are the same
Let's say I have this piece of code that changes the 10 address to the value 20 and the following one to 30
mov ebx,10
mov [ebx],20
add ebx,1
mov ebx,30
How can the address change each time it is executed?
is it require change that the compiler do ... | common-pile/stackexchange_filtered |
Vue.js. Data property undefined
I'm trying to access my data property in my Vue.js component. Looks like I'm missing something obvious.
Here is a short version of my code. StoreFilter.vue is a wrapper for matfish2/vue-tables-2.
<template>
<store-filter :selected.sync="storeIds"></store-filter>
</template>
<script>... | common-pile/stackexchange_filtered |
Android TYPE_APPLICATION_OVERLAY, Not able to focus on any part of the display
I have an app that runs on touch screens like a tablet and also TVs (ex: Fire TV).
My app needs to display a button on top of all apps/activities and when this button is clicked, a certain action needs to be performed.
I have the following:
... | common-pile/stackexchange_filtered |
Is it OK to rewrite a question you asked incorrectly?
I recently asked this question:
https://stackoverflow.com/questions/43348009/unable-to-instantiate-class
I can see how people saw this as a bad question because what I thought was wrong I was way off. Because of what I thought was the problem, I did not provide the ... | common-pile/stackexchange_filtered |
What is the name/type/species of this spider?
Below are images of it, specimen found in the western region of the Pacific Northwest - North America.
I presume it is Eratigena atrica, commonly called the giant house spider.
It belongs to Agelenidae family.
E. atrica is found in Europe, Central Asia and Northern... | common-pile/stackexchange_filtered |
Print getTelephone variable in Magento
I have a function that is calling
$billing->getTelephone()
But it is coming up empty. I want to echo the function to see if the data from billing is being passed properly. But I cant print/echo it.
I tried
echo $billing->getTelephone();
&
<?php echo $this->htmlEscape($... | common-pile/stackexchange_filtered |
Running cron jobs - best practices
I want to use cron in Linux to run backup scripts of various files in the system. The owners of these files are different users. Is it better to add entries in the cron of each user separately or run one job on the root account to bypass all access settings. What is the good practice ... | common-pile/stackexchange_filtered |
One single-entry filter for all requests to all servlets
I have many Servlets deployed on my server.
e.g.
servlet1
servlet2
I also have filter: Filter, with the url pattern "/*".
Filter catches all requests like localhost:8080/something except these ones localhost:8080/servlet1,localhost:8080/servlet2.
My question i... | common-pile/stackexchange_filtered |
Change img src attribute dynamically in JQuery
I have index.php:
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function () {
$('.on').click(function() {
var val = $(this).val();
... | common-pile/stackexchange_filtered |
How much faster when using drops
How much faster would a person on a road bike go when using drop handlebars in drop position vs. using flat handlebars? Assume that the power output is the same in either case and that one is going on long stretches (as opposed to commuting).
When using drop handlebars in general or wh... | common-pile/stackexchange_filtered |
How do I change the version number of my custom Liferay portlet?
I am referring to the Installed Version column in the Control Panel > Server > Update Manager table. Curerntly, it displays "unknown" for my custom portlet. I want to set it to a specific value, say 1, for my first official build then increment it in su... | common-pile/stackexchange_filtered |
Better and shorter way to check if the right button was clicked
I'm making a little reactionspeed app in Android Studio, which checks whether the user clicks the button that matches a randomly generated number. If the correct button was pressed, it executes the NewRound method.
Currently, I have this:
public void Butto... | common-pile/stackexchange_filtered |
SAS removing duplicates by the reappearance of chunks of records
I have a dataset with the reappearance of chunks of data in identical length groups of observations, such as:
data have;
input name $ identifier ;
cards;
mary 1
mary 2
mary 2
mary 4
mary 5
mary ... | common-pile/stackexchange_filtered |
how to remove child class from parent when I get sucess message in the childview controller
I am presenting viewcontroller as chid viewcontroller.I Am presenting child viewcontroller in a popupview which is in parent class.plase find the below image to get clear idea.
This the code i used to add present childvc in pare... | common-pile/stackexchange_filtered |
Using SQL to group metrics into dimensions - DataStudio
I am trying to group metrics into dimensions as follows:
+--------+-------+
| Meal | Score |
+--------+-------+
| Burger | 4 |
| Chips | 4 |
| Beans | 2 |
+--------+-------+
+-------+-------+
| Score | Count |
+-------+-------+
| 1 | 0 |
|... | common-pile/stackexchange_filtered |
Dataflow job fails without proper error when implemented in VPC
I am trying to run a dataflow job and to do this I am using dataflow template Cloud Spanner to text file on Cloud Storage. My dataflow is on a shared VPC but both &Spanner is not a resource which is on VPC. This job fails but there is no proper error messa... | common-pile/stackexchange_filtered |
Rounding .5 - why isn't rounding away from zero the 'right' answer?
I am familiar with the issue of 'how should one roung .5?', and I am familiar with the conventional solutions, but I don't understand why there isn't a correct answer.
When you're formulating a rounding rule, you want to (as accurately as possible) ass... | common-pile/stackexchange_filtered |
How equal_range is making use of heterogeneous comparison?
How is Comp{} in std::equal_range triggering the Compare operation? Is Comp{} indicating a R-Value being created?
#include <algorithm>
#include <vector>
#include <iostream>
struct S
{
int number;
char name;
// note: name is ignored by this co... | common-pile/stackexchange_filtered |
Cupressocyparis with double leader
I have two cupresocyparises (aka leylandiis) that each developed two leaders. They are both around 8m (25ft) high now, the leaders start at appr. 2m above ground, so I guess it is too late just to remove one of the leaders in its entirety. The distance between leaders is small - 10 cm... | common-pile/stackexchange_filtered |
WPF Command can execute not responding
I have a WPF command on a button for an option to apply on a ListView item, and the can execute action is related to the listview selection, if the selected items count is superior to zero.
private void DeleteItemCommand_CanExecute(object sender, CanExecuteRoutedEventArgs e)
... | common-pile/stackexchange_filtered |
get multiple selection in jquery
I've got a noob question.
I am trying to make a multi-selection listbox in HTML. If the user's selections contains the item "OTHER", a textbox will appear below the listbox.
I first came up with this:
onchange = "displayDiv(this.options[this.selectedIndex].text)
-----------------------... | common-pile/stackexchange_filtered |
Hide div, if the div is empty
How can I hide a DIV (HEADER) if the DIV is empty?
here is my HTML and Style, have tried. HEADER:empty, but when I run the code, the DIV is still there.
<!DOCTYPE html>
<html>
<head>
<style>
body {
width: 1080px;
height: 1920px;
}
/* Start MAIN-grid-container */
.MAIN-grid-contai... | common-pile/stackexchange_filtered |
Trying to find a unix account in my Windows domain that is not in AD
I'm been tasked with managing an AD domain in a primarily unix oriented server environment. One of my colleagues tells me there is a unix account that appears to exist in Active Directory. In his search he find an account named for instance<EMAIL_ADDR... | common-pile/stackexchange_filtered |
Connecting the MDF corners, so there's no gap
TL;DR
How do I connect the MDF sheets on the corners (in left-hand-side picture), so they align nicely, and there's no gap? As you can see in the sketch, the angles are not always multiples of 45 degrees.
Backstory:
One day I got bored, and wanted to play some Pac-Man. Play... | common-pile/stackexchange_filtered |
NWConnection sending multiple datagrams
I'm trying to use the new Network.framework to send multiple datagrams at once.
In the WWDC 2018 talk 715 we see the following code sample:
// Hint that multiple datagrams should be sent as one batch
connection.batch {
for datagram in datagramArray {
connection.send(c... | common-pile/stackexchange_filtered |
Updating state of class members does not deliver correct values
I ran into a little problem here, and I'm kind of stuck, tried googling it but couldn't find a solution that helped. Hopefully somebody here can help.
So I have this little class here. I'm trying to initialize Button members in a loop and push the created ... | common-pile/stackexchange_filtered |
OpenVPN configuration
I have a LAN at home. It is behind a NAT and externally uses dynamic IP addresses. Inside my home LAN, I use 192.168.1.x IP addresses.
Further, I have a VPS, which has a IP 185.x.x.x address. What I would like to do now is to use OpenVPN to set up a tunnel between my home LAN and the VPS, such tha... | common-pile/stackexchange_filtered |
How to properly call css folder outside of caller files?
I have this project structure:
ProjectName with a many child folders. One of it is includes folder which holds static folder that also holds css folder and header.php. Now my header.php calls my css files by doing this on my head tag:
<link href="static/css/style... | common-pile/stackexchange_filtered |
How to use 2D array in function?
I'm trying to make program that generate random SUDOKU, but i'm new to C++, so i don't know how to use 2 Dimensions arrays in function to check is everything correct. could you help me please?
squares are eapty, cause i need to rewrite it.
i didn't understand the cherno multi-dimensions... | common-pile/stackexchange_filtered |
PowerTransformer Producing Unexpected Result for Just One Column
I'm doing some preprocessing on my training data before fitting it to a model. Upon checking the results, there is one column that is returning 0 rather than 1 for the standard deviation. (all columns return a mean of 0 as expected). My code is below:
y =... | common-pile/stackexchange_filtered |
FB Login - Authorization popup opens 2 times
if i am already connected to fb, bt not authorized to app it opens popup 2 times… i tried below code... there is no error in console....
if (response.authResponse) {
console.log("user is already logged in and connected");
console.log("Fetching Info..... | common-pile/stackexchange_filtered |
Button click call to node js function failing
I am trying to make a button that makes a call to the node js server function route getMentions, but it's not being invoked
This is my button in index.html:
<button action="/getMentions" class="btn" id="btn1">Show Mentions</button>
and these are my functions in index.js:
r... | common-pile/stackexchange_filtered |
MySQL Avg Count With Where and Group By
This table keeps records of calls that salespersons make :
id | clientid | salespersonid | call_duration | date | last_update
1 | c2345 | sp34 | 05:00 | yyyy | yyyy
2 | c2345 | sp34 | 05:00 | yyyy | yyyy
3 | c2345 | sp35 | 05... | common-pile/stackexchange_filtered |
Passing variable in conditions of method find() in Phalcon Framework
I'm receiving a variable in my controller and I want make a bind query with the search variable, I try this:
$search = $this->request->getPost('term');
$item = Item::find(
[
... | common-pile/stackexchange_filtered |
Unable to start a UserTransaction using Atomikos
I am testing out the atomikos transaction and database connectivity stuff, as a part of it i tried to execute the below code,
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.sql.Connecti... | common-pile/stackexchange_filtered |
Inner model of "CH + large cardinals" that satisfies MM?
I've been told that if $V$ has CH and large cardinals, then there is an inner model in which MM holds. The sketch is as follows:
Any $\Sigma^2_1$ sentence that can be forced is already true in such $V$. Therefore there exist sets of reals $X,Y$ satisfying the fol... | common-pile/stackexchange_filtered |
Layout Jitter when Toolbar hides while scrolling RecyclerView
Hi , I have a layout with Toolbar, PageSlidingTab and ViewPager. Inside ViewPager there is a fragment with RecyclerView. I want to hide the Toolbar as i scroll the RecyclerView. I have achieved it by adding the following code :
toolbar = ((MyActivity)get... | common-pile/stackexchange_filtered |
TensorFlow Serving: Update model_config (add additional models) at runtime
I'm busy configuring a TensorFlow Serving client that asks a TensorFlow Serving server to produce predictions on a given input image, for a given model.
If the model being requested has not yet been served, it is downloaded from a remote URL to ... | common-pile/stackexchange_filtered |
Computing the homology of $\mathbb{S}^1$ attached with two $2$-cells via degree $2$ and $3$
This exercise is inspired from an exercise found in Hatcher's book, p. 156, 13:
Compute the homology of the space $X$ obtained from the $1$-sphere
$\mathbb{S}^1$ by attaching two $2$-cells via attaching maps
$\mathbb{S}^1 \... | common-pile/stackexchange_filtered |
Is it possible to modify style using Cucumber + Capybara?
So I have the scenario where I want to demonstrate to the business how Cucumber can be of benefit. It's easy to setup a demo and run but, without the proper visuals, the business won't really see the benefit... question is: is it possible to add a CSS class whil... | common-pile/stackexchange_filtered |
Return Instance of a case class dynamically with pattern matching
I have different case classes and objects for that case class, and I am trying to instantiate the class object and return that class.
case class KeySet(KeyID:String,KeyName:String,KeyType:String)
object KeySet{
def fromXml(node: scala.xml.Node):KeySe... | common-pile/stackexchange_filtered |
C++ implementation of a singly linked list
I'm trying to implement a singly linked list in C++. Here's my node.
template <typename T> struct snode{
explicit snode(const T& val, snode* ptr=0) : value(val), next(ptr){}
T value;
snode* next;
};
Here's my slist
template <typename T> class slist{
public:
cl... | common-pile/stackexchange_filtered |
Appcelerator titanium Android push notification GCM failure?
i've setup push notification for Android and IOS in new project in Appcelerator studio , the IOS working fine , but the android not , my issue is the android devices token is successfully taken and registered but when i send a push from Appcelerator studio IO... | common-pile/stackexchange_filtered |
Angular calls empty ng-repeat once?
In my angular website I've got a simple ng-repeat:
<div ng-repeat="image in prop.images">
<img src="/doc/{{ image.id }}?width=200">
</div>
and when opening the website prop.images is empty in the controller:
$scope.prop = {};
$scope.prop.images = [];
but in my server log I see ... | common-pile/stackexchange_filtered |
MySQL query takes too long to execute
I'm working on an IOT based application for which I'm storing time series data in MySQL. I have two tables in different databases as follows:
describe fo_data.device_data;
+-----------+-------------------------------------+------+-----+-------------------+-------------------+
| Fie... | common-pile/stackexchange_filtered |
How to create another user admin to access admin directory centos6
i can add new user but i can't access another user directory
$ adduser adminweb
$ passwd adminweb
$ chmod -aG adminweb admin
how i can access directory such as /home/admin/public_html without permission denied, thanks
Add the “adminweb” user to the “a... | common-pile/stackexchange_filtered |
Creating a box around a figure that includes the tabbing environment
I would like to create a frame or box around my LaTeX figure, which consists of code formatted with the tabbing environment. My code looks something like this:
\begin{figure}
\begin{tabbing}
\texttt{void method(I, T, E)} \{ \\
\ \ \texttt{some code}<\... | common-pile/stackexchange_filtered |
SQLite gurus: how can I display very detailed metadata about a file?
I have a situation where a simple query against a table is returning incorrect values in Flex, but not in other GUI front-ends to SQLite.
select title from ttl where ttl.ttl = 140 // ttl is also the column name of the PK column
is returning the titl... | common-pile/stackexchange_filtered |
Jenkins: configure slave node address dynamically using command or groovy script
I have kinda ssh slave build jenkins setup.
Jenkins server connect to Mac slave thru ssh. build ios apps there. two remote nodes are configured in Jenkins connected to the Mac.
The Mac has dhcp.
Every time my mac starts I want to run a ... | common-pile/stackexchange_filtered |
Make a Gutenberg Block that do WP_User_Query
I want to make a block that functions like the FormTokenField for selecting Category and Tag in the sidebar of the block editor, but query user instead. After user selects user from it, this block will be saved as a meta block for that post.
Is this possible? Any idea is w... | common-pile/stackexchange_filtered |
Is the structure of propositional logic axiomatizable by the axioms of Boolean algebra?
I think that the following question has a positive answer. Yet, I haven't managed to find it.
Consider the structure $\{0,1\}$ with operations $\lor,\land,\lnot$ defined in a usual way.
Is it true that the theory of this structure i... | common-pile/stackexchange_filtered |
How to use radio button in html and javascript to insert into the database in CN1
I was trying to get the values of radio button in html page when checked and insert it into the sqlite database and mysql. This is my full code below:
Form hi = new Form("Hi World");
final WebBrowser b = new WebBrowser(){
@Override
p... | common-pile/stackexchange_filtered |
SSAS : Last 12 months data from cube returning NULL
I run this query in SSMS 2012
SELECT YTD([Date].[Calendar].[Month].&[2003])ON 0 FROM [Adventure Works];
I am getting this error
Executing the query ... Obtained object of type:
Microsoft.AnalysisServices.AdomdClient.CellSet Formatting. Cell set
consists of 1 r... | common-pile/stackexchange_filtered |
How to create a time-varying date interval variable bounded by a single start and end date
I have a longitudinal data set in which each person has a time-fixed 'start' and 'end' date of observation. It looks like this, for example:
# Populate data frame
person <- c(1, 1, 1, 1, 1)
row <- c(1, 2, 3, 4, 5)
start <- c('20... | common-pile/stackexchange_filtered |
Flex extends page size - React
adding flex to my cards carousel makes the whole page increase in width. How can I avoid this behaviour?
Card carousel Component in which I'm adding flex:
import React from "react";
import ProjectCard from "../ProjectCard/ProjectCard";
function HorizontalCardsScroll() {
return (
<d... | common-pile/stackexchange_filtered |
redirect [no-cache] to a page using javascript
i have a list of records and on each record, if I click I go to a different page.
On the 2nd page, i change the status of the record. I change the status on changing a value in the dropdown. when I change the value in the dropdown, i call an api to commit the change.
after... | common-pile/stackexchange_filtered |
Communication between PIC18F26K80 and DAC7612
I bought the DAC7612 and would like to make it communicate with a PIC18F26K80 microcontroller. It is specified on the Farnell website that you can use SPI communication, but there is nothing about SPI in the DAC7612 datasheet.
Indeed, the microcontroller must send 14 bits t... | common-pile/stackexchange_filtered |
Is there anyway to turn on a simple light or motor with no microcontroller via your computer?
Is their a way i can directly turn on things without the use of a micro controller, i feel that for the applications that I am working on I can run whatever I want from the computer alone without going through programing a mic... | common-pile/stackexchange_filtered |
Override asp.NET Session object
Is it possible in asp.net to change the Session object so that when it is used to set/get , it does something else?
EX:
Session["variable"] I'll like it to do behind the covers Session[guid + variable] append to the key a GUID
Update:
Some of you asked way do I what to do this?
I want to... | common-pile/stackexchange_filtered |
How to Select Multiple dropdowns using selenium webdriver
Currently am working on selenium webdriver. I am trying select the multiple dropdowns and it is the filter selection. once i selected multiple dropdown i will click on Apply Filter button then i will produce the result based on the selected filter section. so i ... | common-pile/stackexchange_filtered |
Dynamic/runtime method creation (code generation) in Python
I need to generate code for a method at runtime. It's important to be able to run arbitrary code and have a docstring.
I came up with a solution combining exec and setattr, here's a dummy example:
class Viking(object):
def __init__(self):
code = ''... | common-pile/stackexchange_filtered |
Quantization of field with other complete orthogonal system
I've learned the quantization of Klein-Gordon field using Fourier expansion. I understand that this process is kind of exchanging complex fourier coefficients to operator and makes it satisfying the canonical relation.
The result of usual process is given as
... | common-pile/stackexchange_filtered |
How do I set up Webpack, Angular 2.0, and Django together?
I am currently trying a setup a webpack, angular 2.0 and django stack and trying to work with all of the parts together is a bit confusing.
I am using NPM to handle the libraries.
Here are the errors when I try to compile the typescript for loading with django... | common-pile/stackexchange_filtered |
How do I grep a directories permissions and see if it lacks write permissions?
I am trying to write a script that runs on boot that checks to see if the boot filesystem is read only, if it is, then run fsck to fix permissions and reboot.
Point 1: I am having trouble figuring out how to grep just the permissions line f... | common-pile/stackexchange_filtered |
Evaluate the integral: $\lim \limits_{n\to\infty}\int_0^1\frac{nx}{nx^3+1}$
Evaluate the integral:
$$\lim \limits_{n\to\infty}\int_0^1\frac{nx}{nx^3+1}dx$$
I'm pretty much stuck on how to solve this one:
$$\int_0^1\frac{nx}{nx^3+1}dx$$
or even getting the improper integral.
What can i do?
Do you know about the Dominat... | common-pile/stackexchange_filtered |
MariaDB won't start
I'm starting MariaDB on windows 10. It installs fine, but when I try to start it with net start mysql on elevated command line I get this:
C:\Program Files\MariaDB 10.5>net start mysql
The MySQL service is starting.
The MySQL service could not be started.
A system error has occurred.
System error 10... | common-pile/stackexchange_filtered |
How do we get PyCharm to recognize the sys module in Python 2.7 under Mac OSX El Capitan?
We upgraded to Mac OCX El Capitan and now PyCharm 3.4 seems to no longer recognize the sys module in Python 2.7: if we add an "import sys" line to our code, PyCharm puts a red line beneath it with the error "no module named sys." ... | common-pile/stackexchange_filtered |
Razor pages SQL Server backend drop column
I'm having issues with the backend of my Razor pages SQL Server database. I'm new to programming and I'm having problems finding where the ValidationId is still be referenced in the program. When I run a search on the entire program there is no occurrences of it anywhere withi... | common-pile/stackexchange_filtered |
Continuous post on facebook wall problem in iphone
I am using facebook graph api to post a message on facebook wall in iphone App.It works fine.But when i continuously post on facebook wall(I post 20 messages per minute) further post is not permitted.
Why it is not allowing to post?
Thanks in advance.
R u posting same... | common-pile/stackexchange_filtered |
Room: Fts4 with string primary key
I want to create an entity that (its table) synchronized with data from a server.
The objects from the server contains string id so I create a regular field (not primary key) for this id (as the Fts4 force only integer primary keys).
But now, when I update the room database with objec... | common-pile/stackexchange_filtered |
How do you remove custom values from request headers?
I am using angular 8.
I'd like to remove a custom value in HttpConceptor() based on a condition.
intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
if(...){
const newHeaders = request.headers.delete('abc', '123');
c... | common-pile/stackexchange_filtered |
How to return parent collection based on subcollection document value in Firestore?
I have this collection in my Firestore:
Collection: Team1
Document: TeamName
Subcollection: Notes
Subcollection: Users
Document: user1 => Field: name: "Anna", uid: "someID"
Document: user2 => Field: name: "Jo... | common-pile/stackexchange_filtered |
Django TypeError : __init__() takes 1 positional argument but 2 were given
Here is a class code from views.py:
class Ask(CreateView):
template_name = 'f/ask.html'
form_class = QuestionForm
success_url = '/f/ask/'
def get_context_data(self, **kwargs):
content = super().get_context_data(**kwargs)... | common-pile/stackexchange_filtered |
Why child component's render is called when props did not change?
// Child component
class Button extends React.Component {
render() {
console.log("Render of Button called");
return (
<button onClick={this.props.handleClick}>
{this.props.children}
</button>
);
}
}... | common-pile/stackexchange_filtered |
DB2 SQL involving LISTAGG
I have a dataset like below
DEPT_ID EMP_NM STATUS_DATE LEFT_FLAG STATUS_CHANGE
1 ABC 20200131 0 N
1 DEF 20200204 0 N
1 DEF 20200504 0 Y
1 XYZ 20201210 0 ... | common-pile/stackexchange_filtered |
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