Post-loading : check if an image is in the browser cache

Short version question : Is there navigator.mozIsLocallyAvailable equivalent function that works on all browsers, or an alternative? Long version :) Hi, Here is my situation : I want to implement...

How do I auto-resize an image to fit a 'div' container?

How do you auto-resize a large image so that it will fit into a smaller width div container whilst maintaining its width:height ratio? Example: stackoverflow.com - when an image is inserted onto...

Can Twitter's embedded tweets be rendered dynamically?

Twitter's new-ish 'embedded tweets' feature is nice, but as far as I can tell the Twitter API's widgets.js can only render the embedded tweets at page load. The doc page for embedded tweets is...

How to create a child block programmatically?

I have a page that has some template block included programmatically as follows: public function indexAction() { $this->loadLayout(); $block =...

Full width background image in footer

I am working with 960gs (in my local environment) and I insert this CSS code into my footer div: ## style.css #footer{ background:url("images/footer.png") repeat-x scroll top transparent; ...

Execute dynamically inserted jquery script after the page has already loaded

I'm building a page that uses ajax requests to dynamically populate portions of my page. one of the requests generates an additional jquery script and inserts it into the document. I cannot...

How do you print page breaks with iOS?

I'm generating a multi-page html document that I'd like to send to an Airprint printer from my app. Each page is discrete and must begin on it's own sheet. This should be relatively simple - the...

How to use CKEditor in a Bootstrap Modal?

If I use the CKEditor plugin in an HTML page based on a Bootstrap template, it works great, however if I insert the editor on a Bootstrap Modal like this <!-- Modal --> <div class="modal fade"...

Dynamic JavaScript Injection/Execution

A small little rundown of what I'm trying to do: Dynamically determine if a browser is capable of playing HTML5 video (Working) If not capable of playing HTML5 video, load Flash version of...

Unable to find a rfc 822 message that works with Google Groups Migration API

I'm trying to use the C# Google Groups Migration API and not having much luck. I have the following code: var body = @"Date: 16 Jul 07 10:12 GMT From: [email protected] To:...

How to support latex in GitHub-pages?

I use jekyll to write post and show it in GitHub-pages. My source file is written with markdown. How can I insert formula into the markdown file? I don't want to save the formula into an image and...

Pasting text with the mouse doesn't trigger search

For selectize.js with ajax search inserting text by mouse not cause search It's can be simle reproduced on http://brianreavis.github.io/selectize.js page. On Remote Source — Github...

How can I read a CSV file with UTF-8 code page in SQL bulk insert?

I have a Persian CSV file and I need to read that with SQL bulk into the SQL server: I wrote this bulk: BULK INSERT TEMP FROM 'D:\t1.csv' WITH( FIELDTERMINATOR = ',', ROWTERMINATOR =...

customizing django admin ChangeForm template / adding custom content

I'm able to insert (lame) static text onto the change form admin page, but I'd really like it to use the context of the current object being edited! For instance, I want to format on the MyObject...

How to disable password request for a Jupyter notebook session?

I have been launching Jupyter Notebook for years using the following command: jupyter-notebook --port=7000 --no-browser --no-mathjax When I try to open the jupyter on the browser it ask me for a...

Setting the version number for .NET Core projects - CSPROJ - not JSON projects

This question is very similar to https://stackoverflow.com/questions/36057041/setting-the-version-number-for-net-core-projects, but not the same. Using the latest stable version of .NET Core at...

setting cookie and unable to read them in different php file

I have a small application and now it is time to include a login game on top of everything. Just got it up and running on the real world ( :P ) Here is my code on login page (login.php): <!DOCTYPE...

How to center an image in Azure DevOps

I uploaded an image as attachment in my wiki page... here the code generated to the page: ![myImage.png](/.attachments/MyImage_3-dc7eb2d3-c632-4fe3-831a-b5dbfcbf1d98.png) I would like to center...

Insert into postgreSQL table from pandas with "on conflict" update

I have a pandas DataFrame that I need to store into the database. Here's my current line of code for inserting: df.to_sql(table,con=engine,if_exists='append',index_label=index_col) This works...

Error no Jest: This usually means that you are trying to import a file which Jest cannot parse, e.g. it's not plain JavaScript

I'm trying to run Jest with React, I started the project with --create-react-app, then added --babel and after --jest, but when I run [yarn jest], this error is displayed on screen, can anyone...

Converting Jupyter to PDF using Latax

I am trying to convert a Jupyter notebook to PDF using latex but i am facing the below issues. I believe it is to do with graphs that get generated when i compile my document. The file also...

Alamofire Userlogin SwiftUI CoreData

I'm trying to develop a login page to access to a server using Alamofire. Sending Username and Password the server will return a token. I need to use textfield to let user insert username and...

NestJS/TypeORM. TypeORM doesn't update entity in DB, uses old cached entity instead

I am experiencing immense difficulties all day trying to save an entity into a MySQL database. I am using NestJS and TypeORM. teacher.entity.ts import { BeforeInsert, Column, Entity,...

How to decode data from "scapy_packet [scapy.Raw] .load" into a string for modification?

I am trying to write a program that inserts a small script into a web page, before </body>.But the data that is stored in scapy_packet [scapy.Raw] .load is of type bytes. I am trying to decode...

Gatsby 3rd party scripts not working as intended

I have the problem with including fastspring to my gatsby project. Problem is the following: I add the script in html head but it doesn't work on all pages(it works only if I refresh the page) I...

Python Segmentation Fault, ../sysdeps/unix/sysv/linux/raise.c: No such file or directory

I created a single file executable of my GUI app with PyInstaller. Everything looks fine, the executable is created and starts. First, the login page is correctly shown, but after inserting...

Matched leaf route at location "/" does not have an element

Matched leaf route at location "/" does not have an element. This means it will render an with a null value by default resulting in an "empty" page //App.js File import { BrowserRouter as...

City and street validation at checkout

I am a newcomer in Magento2 and face with a next task. I have to do custom validation for city and street inputs at Checkout page for both shipping and payment steps. There are 2 issues I am...

"Gatsby-plugin-sharp wasn't setup correctly in gatsby-config.js. Make sure you add it to the plugins array."

The most frustrating part is that I had this working earlier then somehow broke it, but I'm using gatsby-plugin-sharp and gatsby-plugin-image to add a photo to my homepage and seeing this...

How to update UI on the same page according to DropDownItem selected from Custom DropDown?

I have created a custom dropdown on a page which have a dropdown button, an overlay entry containing dropdown items. Now I want to change the other part of page excluding drop down button to...