In Google Chrome, I can type the following in a new browser:
pycharm://open?file=file_name
and press Enter. The result is that PyCharm IDE will launch and open the specified file. I have also come across similar links that launch other applications.
I tried to look for information about such links but did not reach any conclusions. Specifically, I would like to know:
what is the name of such a link?
who defines those links? Since I cannot find any documentation about those links on PyCharm's side, I am led to think that those links are some form of standard command that work for every external application?
how do those links work under the hood? Is it the browser spawning a new subprocess or does the browser somehow communicate the command to the OS which takes it from there?
I can also do the above programmatically:
window.open('pycharm://open?file=file_name', '_top');
How can I ensure that the focus switches to the target application? (Right now the application does indeed start, but the focus stays on Chrome.)
I have an issue with the Chrome developer tool.
My version is Version 46.0.2490.71 (64-bit)
According to online tutorials, I can go to Sources tab, right-click a script file and there will be Blackbox Script option to choose.
However, I see no option in my chrome. How do I enable that option since I have no knowledge about regex?
Another problem: The scripts still got debugged even though I added them to blackbox list. Weird!!
One more thing i want to ask is how I blackbox an "unlimited" amount of VM files?
Open devtools settings (press F1 once in devtools or open from the menu)
Go to blackboxing (see image below)
Add a pattern, for example:
node_modules
angular
rxjs
It uses regex syntax in case you need something more specific.
The nice part about blackboxing library/framework scripts is that it makes it easier to see in stacktraces from where the error was triggered in your own sources.
EDIT
As other pointed out, since this answer was posted you can directly blackbox a script with a right click on the source file in devtools.
However head off to the blackboxing settings UI for more control.
There's an easier way in Chrome 60 (and possibly older):
Open the source file in Chrome dev tools (in the source tab)
Right Click the column that displays the line numbers
Select "Blackbox Script"
EDIT: As svict4 pointed out, in Chrome 64, you can also right click anywhere on the script
It seems they changed from blackbox to Ignore List.
Also press f1 in devTools and find Ignore List
Not sure if Chrome has changed too, but on Chromium Edge, the option is named "Mark as Library Code" and "Mark as my Code" to disable it. You have to right click on the code and not on the file/tab. Right clicking on Line numbers works too.
I am currently analysing my page connections and I want to block some tracking scripts and other external URL calls in my network monitor inside Chrome's developer tools.
I quickly want to check how the page behaves without some libraries.
Chrome itself does not provide any functions like this and the famous blocking extensions only block URLs which the user enters manually into the navigation bar.
As pointed out by #calavera.info, #iman.Bahrampour, and #Asim K T this feature is now available in Chrome 59. You can select a URL or domain to block in the Network panel. See this release note and these Screenshots where the StackOverflow logo has been blocked from this page. #iman.Bahrampour also shares two extensions below that will also do this ("HTTP Request Blocker" and "Request Blocker").
As abd3721 mentioned this is available directly within chrome DevTools (You don't need to be on canary anymore), however it is still behind a flag and in the hidden experimental features menu. As of the time of this comment, Chrome stable is on version 53.
To enable it, open this link and click the enable link under the appropriate flag:
chrome://flags/#enable-devtools-experiments
Then in DevTools open up the settings panel(F1) and click on the experiments tab.
This lists all currently available DevTools experiments but it is still in yet another hidden set of features.
Press Shift 6 times while in the experiments tab to show even more hidden features, one of them will be Request Blocking.
NOTE: These features are considered experimental and may be buggy or incomplete. Use with caution.
For blocking requests in google chrome you have 3 options:
1. Google Chrome with pattern matching:
In network tab, right click on request and then select block request URL
There is a plus sign that adds patterns for blocking requests
For example I have 7 request URLs:
http://www.test.com?userid=5
http://www.test.com?username=username
http://www.test.com?email=email
http://www.test.com?name=x
http://www.test.com?family=q
http://www.test.com?family=y
http://www.test.com?family=z
I can block requests that have a specific pattern by adding a pattern(for example the pattern *family* blocks 3 below requests):
http://www.test.com?family=q
http://www.test.com?family=y
http://www.test.com?family=z
Be careful! Because patterns are case sensitive
2. HTTP Request Blocker extension:
This extension has pattern matching for blocking requests:
Match patterns
3. Request blocker extension:
This is a useful extension that has pattern matching for blocking requests.
The most useful features of this request blocker are importing and exporting lists for using by other People.
For exporting a list and using in another computer(or future used): click on Direction down and select Export.
Open the exported list with import list button.
Good Luck
From Chrome 59 you can block specific requests from Network tab of developer tools itself.
https://developers.google.com/web/updates/2017/04/devtools-release-notes#block-requests
Right-click on the request in the Network panel and select Block Request URL. A new Request blocking tab pops up in the Drawer, which lets you manage blocked requests.
This is now achievable in Chrome 59 developer tools by blocking respective requests: https://developers.google.com/web/updates/2017/04/devtools-release-notes#block-requests. With this approach it is somehow difficult to turn off all the stylesheets, but it's easier to turn off just the most annoying ones.
As for Google Chrome 94, it's possible to exclude network activity for entire domain:
1. Go to "Network" panel of DevTools:
2. Rigth click on item of domain you want to block, click on "Block request domain" in the context menu:
3. Type "status-code:0" into "Filter" and click on "Invert" checkbox:
To manage blocked domains, press ESC button when in DevTools, and click on "Network request blocking" tab in the bottom panel:
Will changing host file help.
Your system (windows, linux, mac) all check host before requesting DNS lookup. I use it when I wan tot block some slow advertisers.
windows:
c:\Windows\system32\drivers\etc\hosts
linux & mac
/etc/hosts
* BE VERY CAREFUL TO MAKE BACK UPS *
An existing bug report is requesting this feature. You can star that issue to show support for it being added.
Well, i have been looking for an answer for this too, as I had this issue of choices by counterfeit, and nothing seemed to work for me.
But then I tried to analyze the requests and other things until I figured out, that there was this site which was loading ads onto my pages and redirecting me to advertisements. And also changing the google search bar on new tabs to some unknown search engine. I was able to temporarily block the request on one page. but after opening a new tab, the ads would appear again.
So googling for request blocker, I came up with a chrome extension "HTTP Request Blocker" and added the address which was causing all the crazy ads, has now solved the problem fully.
I hope it will be of help to you too or anyone else.
In the original question, the author states:
the famous blocking extensions only block URLs which the user enters manually into the navigation bar.
This is no longer the case. I have really enjoyed using mokku, which can intercept and mock all types of requests. You can specify what the status code should be, so it will definitely solve this problem as well as adding other functionality that is helpful. It works by another tab in the chrome dev tools. Here is a link to the extension: https://chrome.google.com/webstore/detail/mokku-mock-api-calls-seam/llflfcikklhgamfmnjkgpdadpmdplmji?hl=en
I am using Outlook Web Access in Chrome and Firefox. On OS X, the webpage uses the keyboard shortcut Option+S for sending off the email. Unfortunately, on OS X the same shortcut is usually used to type the German Umlaut "ß". Hence, whenever I now try to type a word with that character, the website instead sends off my email. Do you know of any plugin or other means to disable such shortcuts on certain websites? Thanks!
You can tell Firefox to disable all keyboard shortcuts for websites (as well a couple other options). Look at this pref on the about:config page.
permissions.default.shortcuts (default = 0)
The values can be set as follows:
UNKNOWN: Services.perms.UNKNOWN_ACTION [0]
ALLOW: Services.perms.ALLOW_ACTION [1]
BLOCK: Services.perms.DENY_ACTION [2]
PROMPT: Services.perms.PROMPT_ACTION [3]
Note that there may be some undesirable side effects, e.g. my fn+delete macOS System function no longer works to delete the next character after my cursor... maybe there's a workaround for that?
I found this solution here:
https://support.mozilla.org/gl/questions/1241294
More context:
I had a similar problem with Outlook Web App (OWA) in Firefox on Macbook (OSX), where I want to refresh the page with cmd+r but instead OWA would interpret the shortcut as "reply" and pop-up a new window to reply to the selected message instead of simply refreshing the page.
Use an OS level tool, such as Automator, to toggle the keybindings based on the browser URL:
A guide to using OS X’s Automator to create your own software
Webkit/Safari/Firefox/API: Can I programmatically read/extract multiple tabs' URLs?
Is there a way to trigger a Hot Key/Keyboard Shortcut via a Shell Script, a AppleScript or a Automator Workflow?
MacOS, how to delete unused service item in Keyboard Shortcuts
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I haven't been able to find an extension or built-in way to get this functionality.
I have seen a couple of hacks on the web, but none that work properly. Eg this standalone application:
https://github.com/acemtp/chrome_mru
Yes, there is a perfectly working solution.
This extension Tab Thumbnails Switcher can redefine Ctrl+Tab and Ctrl+Shift+Tab to select tabs in MRU order the same way you swich between programs with Alt+Tab in Windows.
The best part is that the tab selector box is implemented natively, so it doesn't need to inject javascript on each tab for it to work. It works reliably on all tabs.
There's also a demonstrative video here: https://www.youtube.com/watch?v=2HC7_EI8db4
Another option I just found Yesterday (and until now it seems to work very well) is: AutoControl Shortcut Manager: https://www.autocontrol.app/switch-to-last-used-tab-in-chrome#MRU-tabs
Steps:
Install chrome extension: AutoControl Shortcut Manager
Install also the required exe file: Native-Component.exe (It will be prompted to be downloaded after the extension is installed. For me it didn't require admin rights. I hope it's ok ...)
Configure the extension based on the tutorial (9 steps) from the official web page: Cycle through all tabs in MRU order
Enjoy ctrl+tab behavior :)
I was able to get the chrome_mru tool working by changing the nHotKeyChar variable from 0xde to 0xc0 (from tilde ~ to tick `) and recompiling.
Then I realized this is the same thing AutoHotkey does using this script with the Recent Tabs Chrome extension.
The AutoHotkey/Recent tabs solution is suboptimal, yes, but I think it is the best we can hope for until Chrome implements this feature (if ever /sigh).
I now found a possiblity to achieve this for users working on Windows and wrote an extension:
https://chrome.google.com/webstore/detail/ctrl%2Btab-mru/ialfjajikhdldpgcfglgndennidgkhik
Complete solution for setting up Ctrl+Tab to use MRU switching on Windows:
First download an MRU extension for Chrome. After trying a few different such extensions, I recommend Ctrl+Tab MRU. It's not perfect, but it's the best one I could find.
Next, you need to bind the hotkeys for your selected extension to a key combination. Go to chrome://extensions/, scroll down to the bottom of the page, click "Keyboard shortcuts", and find the shortcuts for the extension you selected. Unfortunately, Chrome doesn't let you bind Ctrl+Tab as a keyboard shortcut, so instead choose a combo that Chrome does let you select, like Ctrl+Q for "Switch to older tab" and Ctrl+Shift+Q for "Switch to newer tab".
Now we need to set things up so that Ctrl+Tab triggers the key combination you previously set. For that you'll need AutoHotkey. If you don't already have AutoHotkey, first download and install it from its website. Then, put the following text in an AutoHotkey script in your startup folder, at %AppData%\Microsoft\Windows\Start Menu\Programs\Startup\tabswitch.ahk (e.g. in a new text file located at C:\Users\yourusername\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup and named tabswitch.ahk, with no .txt extension):
; Fix for Chrome's lack of MRU tab switching.
; Use this with a decent MRU tab switching extension, like
; https://chrome.google.com/webstore/detail/ctrl%20tab-mru/ialfjajikhdldpgcfglgndennidgkhik
; Configure it to use Ctrl-Q, or change the key below.
#IfWinActive, ahk_exe chrome.exe ; If currently using Chrome
^Tab::^q
^+Tab::^+q
#IfWinActive
This remaps Ctrl+Tab and Ctrl+Shift+Tab to Ctrl+Q and Ctrl+Shift+Q, respectively, when Chrome is the currently selected Window. This will allow you to use Ctrl+Tab to switch between tabs with MRU ordering in Chrome. Don't forget to double-click the script to run it. It should start back up automatically when you reboot your computer.
There are two features enabled by Firefox's ctrltab shortcut that Chrome doesn't yet offer:
Switch to the previously used tab
Press ctrltab and then release both
Select an open tab from a menu using the keyboard
Press ctrltab but then release just tab
Press and release tab repeatedly to select older tabs in the menu
Release ctrl to switch to the selected tab
The only Chrome extension I know of that offers a facsimile of this — without requiring the unnecessarily broad Read and change all your data on the websites you visit permission and that works with tabs into which extensions can't inject code, like Chrome Webstore pages — is QuicKey (which I wrote).
QuicKey works around Chrome's limitations by using one shortcut to open the popup menu (by default, altQ on Windows), then listening for another keypress (W, right next door) to move the selection in the menu, and then waiting for the alt keyup event to switch to the selected tab.
It has to use W instead of Q (which would be the equivalent to tab in this shortcut) because pressing that with alt down would close the popup. (The popup page doesn't see that key event at all so it can't block it.) But that does mean QuicKey can use a quick double-press of altQ (or double-click of the icon) as a shortcut to toggle to the previously used tab. It does that by timing how long the popup was open, and switching tabs if the time was less than 450ms.
If you want to use ctrltab as a shortcut for switching between recent tabs in QuicKey, there's a simple, cross-platform way to do it via Chrome devtools.
I am using tab stack as a workaround until Chrome has native MRU support (crossfingers) ;)
Tab Stack (https://chrome.google.com/webstore/detail/tab-stack/gfpdghcockbpiokcaaagmnneioeopnnb) moves the current tab to the front after a brief delay. It's very simple solution that gives you kind of MRU.
Solutions above didn't work for me. Maybe b/c of an international keyboard layout.
As an alternative I would offer using FF, in it you have to set browser.ctrlTab.previews setting to true and you have an MRU behavior.
All ctrl-tab MRU options I have seen on Chrome feel like hacks / do not work reliably.
I recommend switching to latest Opera . You basically get Chrome(ium) with a few key addings (MRU tabs, but also mouse gestures).
The setting is at opera://flags/#activation-order-tab-cycling (needs restarting the browser).
Finally there is a working one:
https://chrome.google.com/webstore/detail/clut-cycle-last-used-tabs/cobieddmkhhnbeldhncnfcgcaccmehgn?hl=en
Here's a very light and intuitive solution for tabs organizing in the most recently used order, which is supported in all major browsers (Chrome, Firefox, Opera, other Chrome-based browsers): Tab Slider. Its features are:
Works just like Alt+Tab on Windows or Cmd+Tab on Mac, but with browser tabs
Visually sorts tabs so you always see them in the MRU order (Ctrl+Tab switches to the next MRU tab)
Works with pinned tabs as well
Is customizable (however, I would advise sticking with defaults)
Try it! Hope you'll love it.
For mac users you can use this extension:
chrome extension
It has a shortcut opt+y to cycle through previous tabs. And if you want to use ctrl+tab as shortcut, you can use karabiner element tool to map the opt y shortcut to ctrl tab.
the mapping i use for karabiner is like so:
{
"from": {
"key_code": "tab",
"modifiers": {
"mandatory": [
"left_control"
]
}
},
"to": [
{
"key_code": "y",
"modifiers": [
"left_option"
]
}
],
"type": "basic"
}
Yes there is a working solution available now. I found Recent Tabs extension perfect for MRU tabs solution in chrome. You can use ctrl+Q or ctrl+~ or assign your own.
Better to use http://bahoom.com/hyperswitch as jason3w suggests
My solution:
On OSX I usually want MRU switching when I want to repeatedly switch between two chrome tabs and a code editor. (For example, trello.com and localhost:3000)
In this case, I start up chrome canary which is properly treated as a separate application by OSX, and allows for a simple alt-tabbing (like windows used to), SWEET!!
https://www.google.com/chrome/browser/canary.html
Try it out, peeps. I tried the Opera solution, but just couldn't live without some of the other features of chrome. I hope Opera continues to develop.
Is there a real working solution to add MRU tab selection via CTRL+TAB
to Google Chrome?
Yes. You need to modify Your preferences file as like here:
http://forum.ru-board.com/topic.cgi?forum=5&topic=34987&start=4680#16
(change Your sequence to Ctrl+Tab and Shift+Ctrl+Tab)
Chrome does not block it. You simply cannot assigh this combination becouse of hook.. But if You edit Preferences file, it works.
It is situated near
"C:\Users\%username%\AppData\Local\Google\Chrome\User
Data\Default\Preferences"
Just found this https://github.com/acemtp/chrome_mru
Its goal is to enable you to use CTRL+TAB in Google Chrome with the
Most Recently Used (MRU) Tab behavior (and not the default
next/previous tab).
I didn't try it so far. Hope it helps
edit reason: Stopped working.
On Mac OS, the Recent Tabs extension is somehow able to reassign Ctrl+Tab to switch between two most recently used tabs out-of-the-box!
https://chrome.google.com/webstore/detail/recent-tabs/ocllfmhjhfmogablefmibmjcodggknml
The tricky solution to achieve this on Windows is to combine Quick Tabs chrome extensions and AutoHotkey script. I've described it in details here, so here is in a nutshell:
1) Quick Tabs is an open-source, customizable extension, that allows you redefine some CSS styles and allows to setup hotkey for switching MRU tabs. Also it supports keyboard navigation (move to next/previous tab). However chrome doesn't let you bind Ctrl+Tab as a keyboard shortcut, so you need to register another one (for example Ctrl+Shift+S) and then use AutoHotkey script to "remap" Ctrl+Tab for chrome into Ctrl+Shift+S.
2) I won't put here the AutoHotkey script, you can find it here. It covers Ctrl+Tab remapping and handle all the keyboard navigation.
As a result you will see something like that when press Ctrl+Tab in active chrome window:
Arrows navigation, Esc, both Ctrl+Tab and Ctrl+Shift+Tab are working the way you expected.
Best workaround I have found on mac/linux is to install a extension that sorts the tabs in MRU order*, so that ctrl+tab works the way you'd expect it to:
https://chrome.google.com/webstore/detail/tab-slider/nobaaibkcalggmjnjhnlmmcldllpogjp
* last used tab is moved to all the way to the left