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What is the fastest or most elegant way to compute a set difference using Javascript arrays?
...l for set built-in methods that will hopefully be talked about in Janurary 2018 github.com/tc39/agendas/blob/master/2018/01.md.
– John
Jan 23 '18 at 6:07
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Python datetime - setting fixed hour and minute after using strptime to get day,month,year
...00:00
>>> date = date.replace(minute=59, hour=23, second=59, year=2018, month=6, day=1)
>>> print(date)
2018-06-01 23:59:59
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How do I get the current date in JavaScript?
...
The shortest possible.
To get format like "2018-08-03":
let today = new Date().toISOString().slice(0, 10)
console.log(today)
To get format like "8/3/2018":
let today = new Date().toLocaleDateString()
console.log(today)
Also, you can pass ...
ios app maximum memory budget
...1)
iPad Pro 12.9” (2017): 3057/3974/77% (iOS 11 beta4)
iPad Pro 11.0” (2018): 2858/3769/76% (iOS 12.1)
iPad Pro 12.9” (2018, 1TB): 4598/5650/81% (iOS 12.1)
iPad 10.2: 1844/2998/62% (iOS 13.2.3)
iPod touch 4th gen: 130MB/256MB/51% (iOS 6.1.1)
iPod touch 5th gen: 286MB/512MB/56% (iOS 7.0)
iPhone...
Loading/Downloading image from URL on Swift
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let url = URL(string: "https://cdn.arstechnica.net/wp-content/uploads/2018/06/macOS-Mojave-Dynamic-Wallpaper-transition.jpg")!
downloadImage(from: url)
print("End of code. The image will continue downloading in the background and it will be loaded when it ends.")
}
Extension:
extensi...
Disable developer mode extensions pop up in Chrome
...oted in Step 7
Click OK and restart Chrome.
That's it!
EDIT: As of July 2018, this approach no longer works: it seems Google has stopped honouring the "whitelist".
EDIT 2: As of December 2018, this approach works in Chrome Version 69.0.3497.100 (Official Build) (64-bit):
Temporarily enable Dev...
How do I capture response of form.submit
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Future internet searchers:
For new browsers (as of 2018: Chrome, Firefox, Safari, Opera, Edge, and most mobile browsers, but not IE), fetch is a standard API that simplifies asynchronous network calls (for which we used to need XMLHttpRequest or jQuery's $.ajax).
Here is a t...
How to change line width in IntelliJ (from 120 character)
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IntelliJ IDEA 2018
File > Settings... > Editor > Code Style > Hard wrap at
IntelliJ IDEA 2016 & 2017
File > Settings... > Editor > Code Style > Right margin (columns):
...
Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...Syv服务/etc/rc.d/init.d/postfix脚本
脚本朋友们可以从附件中下载
4、对postfix进行基本配置，测试启动发信
编辑/etc/postfix/main.cf
myhostname = mail.huatuo.com #指定运行postfix邮件系统的主机的主机名
myorigin = huatuo.com #指明发...
How can I add a key/value pair to a JavaScript object?
...y3: "value3"});
document.body.innerHTML = JSON.stringify(obj);
Year 2018 answer: object spread operator {...}
obj = {...obj, ...pair};
From MDN:
It copies own enumerable properties from a provided object onto a new object.
Shallow-cloning (excluding prototype) or merging of objects is now p...