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Why would I ever use push_back instead of emplace_back?
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Consider what happens in Visual Studio 2019 with c++-17 compiler. We have emplace_back in a function with proper arguments set up. Then someone changes parameters of the constuctor called by emplace_back. There is no warning whatsover in VS, the code also compiles...
Clean up a fork and restart it from the upstream
... force-pushing).
Note: on GitHub specifically, there is now (February 2019) a shortcut to delete forked repos for pull requests that have been merged upstream.
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How do I handle the window close event in Tkinter?
...my attention. Here's a much more detailed example for Python 3 in the year 2019, with a clearer description and example code.
Beware of the fact that destroy() (or not having a custom window closing handler at all) will destroy the window and all of its running callbacks instantly when the user c...
Multiple inheritance/prototypes in JavaScript
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Update (2019): The original post is getting pretty outdated. This article (now internet archive link, since domain went away) and its associated GitHub library are a good modern approach.
Original post:
Multiple inheritance [edit, n...
Why does Date.parse give incorrect results?
...ring, but the format of those strings was not specified.
As of ECMAScript 2019 (edition 9) the format for Date#toString and Date#toUTCString, have been specified as (respectively):
ddd MMM DD YYYY HH:mm:ss ZZ [(timezone name)]e.g. Tue Jul 10 2018 18:39:58 GMT+0530 (IST)
ddd, DD MMM YYYY HH:mm:ss ...
Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...eaching out. I have the same hardware but my PI's running the newest (June 2019) release of raspbian buster, and my host is ubuntu 18.04. After giving my host and my PI static IP addresses, I got as far as to pinging the PI from the host. But when I try ssh, I get the connection refused error you me...
Isn't it silly that a tiny favicon requires yet another HTTP request? How can I put the favicon into
...edibly straightforwardly.
3) The entire SVG is a single Emoji
In December 2019, Leandro Linares was one of the first to realise that since Chrome had joined Firefox in supporting SVG Favicons, it was worth experimenting to see if a favicon could be created out of an emoji:
https://lean8086.com/arti...
Xcode doesn't show the line that causes a crash
...cal, friendly and helpful.. but with a few quirks. Even now, in November 2019, Xcode has an App Store rating of 3.1, with most people giving it 5-stars or 1-star. No one is listening....
– Mike Gledhill
Nov 17 '19 at 13:04
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Need to reset git branch to origin version
...rt original to upstream state" for other options.
With Git 2.23 (August 2019), that would be one command: git switch.
Namely: git switch -C mybranch origin/mybranch
Example
C:\Users\vonc\git\git>git switch -C master origin/master
Reset branch 'master'
Branch 'master' set up to track remote b...
Check synchronously if file/directory exists in Node.js
...c have also been deprecated. Use fs.stat() or fs.access() instead.
Update 2019:
use fs.existsSync. It's not deprecated.
https://nodejs.org/api/fs.html#fs_fs_existssync_path
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