MCVE's should start the Shiny app when they are copied in the console. An easy way to do this is using the shinyApp function. For example:
why is my checkbox not responding?
library(shiny)
ui <- fluidPage(
checkboxInput('checkbox', 'click me'),
verbatimTextOutput('text')
)
serv...
You can restrict the directions the user is able to scroll to using the following code:
func scrollViewDidScroll(_ scrollView: UIScrollView) {
if scrollView.contentOffset.x != 0 {
scrollView.contentOffset.x = 0
}
}
Every time the user scrolls on the x-axis, the scrollView's c...
When using cURL for some queries to the Docker API, it might be a bit tricky to pass some complex structures. Let's say, getting a list of images allows using filters as a query parameter, which have to be a JSON representation of map[string][]string (about the maps in Go you can find more here).
H...
Here I assume that project app url is APP_URL=http://project.dev/ts/toys-store
Set the writable permission to storage_path('framework/sessions') the folder.
Check the path of your laravel project 'path' => '/ts/toys-store', the root of your laravel project.
Change the name of your cookie 'co...
@Controller
public class EditPetForm {
@RequestMapping("/pets")
public String setupForm(@RequestParam("petId") int petId, ModelMap model) {
Pet pet = this.clinic.loadPet(petId);
model.addAttribute("pet", pet);
return "petForm...
store the cookie with three parts.
function onLogin($user) {
$token = GenerateRandomToken(); // generate a token, should be 128 - 256 bit
storeTokenForUser($user, $token);
$cookie = $user . ':' . $token;
$mac = hash_hmac('sha256', $cookie, SECRET_KEY);
$cookie .= ':' . $mac...
Remote Power supply simulation
Since we don't have a real remote power supply hardware, we are going to simulate it
using python program.
Basic idea about RPS
Actually remote power supply has a http server.
User can send commands to turn ON/OFF power supply using http request.
We are going...
You can add comment and status to order.
Get order :
$orderid = 12345;
$order = Mage::getModel('sales/order')->load($orderid);
And add comment:
//$isNotify means you want to notify customer or not.
$order->addStatusToHistory($status, $message, $isNotify);
$order->save()
Define a custom loss function:
import keras.backend as K
def euclidean_distance_loss(y_true, y_pred):
"""
Euclidean distance loss
https://en.wikipedia.org/wiki/Euclidean_distance
:param y_true: TensorFlow/Theano tensor
:param y_pred: TensorFlow/Theano ...
You can use list variable to form <select> elements
<select th:field="*{countries}">
<option th:each="country: ${countries}"
th:value="${country.id}"
th:text="#{${'selected.label.' + country.name}}"/>
<...
Step 1: Download Sublime:
You can either download from their website or use the wget as I did:
$ cd ~/Downloads
## On 32bit
$ wget https://download.sublimetext.com/sublime_text_3_build_3126_x32.tar.bz2
## On 64bit
$ wget https://download.sublimetext.com/sublime_text_3_build_3126_x64.tar.bz2
...
Developers often need to design web sites that allow users to upload a CSV file. Usually there is no reason to save the actual CSV file since the data will processed and/or stored in a database once uploaded. However, many if not most, PYTHON methods of parsing CSV data requires the data to be rea...
If yoi have nested array, the following can be done
new Vue({
el: '#app',
data:{
myArr : [
['apple', 'banana'],
['grapes', 'orange']
]
},
methods:{
changeArrayItem: function(){
this.$set(this.myArr[1], 1, 'strawbe...
To list all the packages installed in ubuntu, type below command
$ apt list --installed
Output will show all the installed packages.
Listing... Done
accountsservice/trusty-updates,now 0.6.35-0ubuntu7.3 i386 [installed]
acl/trusty,now 2.2.52-1 i386 [installed,automatic]
acpid/trusty,...
