$(this).attr("id") not working

as the title says, I keep getting "undefined" when I try to get the id attribute of an element, basically what I want to do is replace an element with an input box when the value is "other". Here...

jQuery: Setting select list 'selected' based on text, failing strangely

I have been using the following code (with jQuery v1.4.2) to set the 'selected' attribute of a select list based on its 'text' description rather than its 'value': $("#my-Select option[text=" +...

swi prolog , how to read the data for the txt.file

Can someone help me with my file reading predicate? get_userinfo: write('\nEnter Name:'), readln(Name), write('\nEnter Gender:'), read(Gender), ...

What's the best way to make a d3.js visualisation layout responsive?

Assume I have a histogram script that builds a 960 500 svg graphic. How do I make this responsive so on resize the graphic widths and heights are dynamic? <script> var n = 10000, // number of...

Rails nested_form link_to_add not working when pre-building nested model instance

I'm having a rough go integrating ryanb's awesome nested_form gem into my rails 3.1.3 application. I'm afraid my Javascript skills are too limited to know whether it's my code (likely) or the gem...

How to set Request Headers before it being loaded in an iframe

I need to download a file which 'Content-Disposition' header being set to "attachment" by server. I am using jQuery.ajax for GET and on success setting hidden iframe src to url, which gives me a...

Sticky CSS Footer

Can someone help me make the original code from HTML5 Boilerplate Initializser, have the footer stick to the bottom of the browser, I've tried all manor of codes from web examples but...

How to start a process?

I try to start a JVM out of a Google Go program that looks like this: package main import "fmt" import "os" import "log" func main() { var name string name="\jrex64\bin\java.exe" var...

how to toggle attr() in jquery

I have a simple add attribute function: $(".list-toggle").click(function() { $(".list-sort").attr('colspan', 6); }); My question is: how can I turn this into a toggle, so colspan="6" is...

button onclick function firing twice

I have a button that calls a javascript function using an event handler. For some reason, the event handler is being called twice. Here is my button (I am using a php object to generate the code,...

Jquery function BEFORE form submission

I am trying to fire a function using Jquery when the form submit button is clicked, but the function needs to fire BEFORE the form is actually submitted. I am trying to copy some div tag...

Set focus to search text field when we click on select 2 drop down

I am using select2.js Version: 3.4.3 with bootstrap I have one drop down. When I click on drop down i got list with search text fields. But I my cursor not focused on search text...

DynamoDBNumberError on trying to insert floating point number using python boto library

Code snippet : conn = dynamo_connect() company = Table("companydb",connection=conn) companyrecord = {'company-slug':'www-google-com12','founding-year':1991, 'randomlist' :[1,2,3,4,5],...

ADB is not detecting my android device on Ubuntu

Need help, "adb" not detect my phone, I do not know what to do; and this was what I did, if I have a mistake or something tell me please. I log in as root and create this file. ...

RecyclerView is cutting off the last item

I have a fragment with a toolbar and a recyclerView inside it. I am populating the recyclerView with dummy data and then try to show them. For some reason, the last element of the recyclerView is...

JsonNode to object?

I am writing a JsonDeserialzer for a POJO class Attribute: public class AttributeDeserializer extends JsonDeserializer<Attribute> { @Override public Attribute...

ADB finds no devices on Ubuntu Linux

I think I've gone over just about every related thread on SO over this topic(there's a lot), but none seem to solve my issue. Running Ubuntu 16.04 LTS, and have attempted to get ADB working with...

How to convert an array of objects to CSV in Rails

I have an array of objects. I am trying to create CSV data and allow the user to download that file but I get the following error: Undefined method 'first_name' for Hash:0x007f946fc76590 ...

Udev rule for input device

I have a camera device that has an input device listed under /dev/input. I would like to add that input device to the group plugdev. When I plug in the camera: [ 704.406837] input: See3CAM_CU51...

“List of devices attached” is empty on Ubuntu 16.04 using "adb devices"

I am unable connect my Android to Ubuntu. On executing command lsusb. It shows attached device. Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 04ca:0061...

Getting net::ERR_UNKNOWN_URL_SCHEME error

I am trying to open a android application from javascript. If the android application is installed in android mobile, it opens required application. But if android application is not installed, it...

Unable to get the menu items name and slugs in WordPress development

I'm new to WordPress development. I have made a design of the nav menu. I want to create the menu from admin panel and want to get those menus at my front page of the website with my custom CSS....

onBindViewHolder execute first ViewHolder only

I have three ViewHolders CardViewHolder, TitleViewHolder, GridViewHolder, for switching between it when user choose a specific layout, everything working good expect when I trying to switch to...

How to dynamically update an attribute in a dynamodb item?

I created an item in dynamodb using Node js, the item has multiple attributes such as brand, category, discount, validity, etc. I am using uuid to generate ids for each item. Now let's say I want...

Dgraph always shows'Connection lost with alpha: 7080' error

I now use docker-compose to start Dgraph, but it always fails to start. The contents of docker-compose.yml are as follows: # This Docker Compose file can be used to quickly bootup Dgraph Zero #...

How to create routes with FastAPI within a class

So I need to have some routes inside a class, but the route methods need to have the self attr (to access the class' attributes). However, FastAPI then assumes self is its own required argument...

Filter nodes for D3 directed graph dynamically

I am using D3 library which is new to me, with D3 visualizing a directed graph based on the graph details. As I have huge data, it's difficult to picture everything on a single page. I am trying...

Angular - Type Pipe does not have 'ɵmod' property

I am attempting to create a custom pipe that would return a sum of an array in a table, but for whatever reason, Angular is complaining about my pipe not having an 'emod' property. My pipe: import...

I want to add product in cart without refreshing page with AJAX and Django

Nothing will ne happened when I submit product in the the cart. I want to use AJAX without refreshing page. When I submit the console message will be displayed. I'm trying to use AJAX...

Refresh data without reloading the page

I have a function for adding likes on the page blade.php <a href="/article/{{ $article->id }}?type=heart" class="comments-sub-header__item like-button"> <div...