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Editing Javascript using Chrome Developer Tools
I am trying to edit javascript on a site using Chrome's Developer Tools. I have read about 30 accounts of how to do this as well as watched a few videos. The fact is, when I go to the sources tab and open the file I want to edit, I can't do anything to it. Is there some step I am missing?
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How to style the option of an html “select” element?
...r other elements (usually an ul) and duplicate select functionality in JavaScript for full control over styles.
– Benjamin Robinson
Jul 14 '16 at 17:37
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Can I get chrome-devtools to actually search all JS sources?
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Yeah, if you want to search within content sources which are scripts used by extensions and the internal browser API, you enable it in the Settings of DevTools and then from any panel in DevTools you can type Ctrl + Shift + F or (on Mac) Options + Command + F (⌥⌘F) to search across...
How to test chrome extensions?
... this? I'm writing an extension that interacts with a website as a content script and saves data using localstorage. Are there any tools, frameworks, etc. that I can use to test this behavior? I realize there are some generic tools for testing javascript, but are those sufficiently power to test an ...
How to detect if a stored procedure already exists
I have to write a deployment script which will work if a stored procedure exists or does not exist. i.e. if it exists, then I need to alter it, otherwise create it.
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Clean way to launch the web browser from shell script?
In a bash script, I need to launch the user web browser. There seems to be many ways of doing this:
6 Answers
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Display help message with python argparse when script is called without any arguments
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If you have arguments that must be specified for the script to run - use the required parameter for ArgumentParser as shown below:-
parser.add_argument('--foo', required=True)
parse_args() will report an error if the script is run without any arguments.
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Is there a version control system for database structure changes?
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In Ruby on Rails, there's a concept of a migration -- a quick script to change the database.
You generate a migration file, which has rules to increase the db version (such as adding a column) and rules to downgrade the version (such as removing a column). Each migration is numbered, a...
Code coverage with Mocha
...the command nyc in front of your existing test command, for example:
{
"scripts": {
"test": "nyc mocha"
}
}
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PHP page redirect [duplicate]
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Using a javascript as a failsafe will ensure the user is redirected (even if the headers have already been sent). Here you go:
// $url should be an absolute url
function redirect($url){
if (headers_sent()){
die('<script typ...