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Duplicate symbols for architecture x86_64 under Xcode
...s that contain categories on
existing classes.
https://developer.apple.com/library/content/qa/qa1490/_index.html
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postgresql - replace all instances of a string within text field
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Determine function name from within that function (without using traceback)
...
Combining @CamHart's approach with @Yuval's avoids "hidden" and potentially deprecated methods in @RoshOxymoron's answer as well as numerical indexing into the stack for @neuro/@AndreasJung's answer: print(inspect.currentfram...
Cookie overflow in rails application?
...re a model object in the session.
Check out this railscast on this topic:
http://railscasts.com/episodes/13-dangers-of-model-in-session?autoplay=true
It's a better practice to store the id (user's id in this case) inside the session.
Then you won't have this problem.
(See Frederick Cheung comment...
Take a screenshot of a webpage with JavaScript?
...f the window you want a screenshot of is an HTA would be to just use an XMLHTTPRequest to send the DOM nodes to the server, then create the screenshots server-side.
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How do I include a pipe | in my linux find -exec command?
... -printf "zcat %p | agrep -dEOE 'grep'\n" | sh
This constructs a list of commands using pipes to execute, then sends these to a new shell to actually be executed. (Omitting the final "| sh" is a nice way to debug or perform dry runs of command lines like this.)
In terms of efficiency this result...
C++ equivalent of java's instanceof
...{
return dynamic_cast<const Base*>(ptr) != nullptr;
}
Example: http://cpp.sh/6qir
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When to use in vs ref vs out
...
@brichins Please refer to the 'comments (Community Additions)' section in the link mentioned by you. It is an error which is corrected in VS 2008 documentation.
– Bharat Ram V
Aug 12 '13 at 8:07
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How can I color Python logging output?
...ous value, before returning the formatted string (credit to Michael in the comments).
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How to record webcam and audio using webRTC and a server-based Peer connection
...Source
If running firefox, you could test it in here itself( chrome needs https):
'use strict'
let log = console.log.bind(console),
id = val => document.getElementById(val),
ul = id('ul'),
gUMbtn = id('gUMbtn'),
start = id('start'),
stop = id('stop'),
stream,
recorde...