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使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
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使用虚拟现实和App Inventor进行实验
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Deep Learning（深度学习）学习笔记整理系列之（一） - 大数据 & AI - 清泛...
... 然而，手工地选取特征是一件非常费力、启发式（需要专业知识）的方法，能不能选取好很大程度上靠经验和运气，而且它的调节需要大量的时间。既然手工选取特征不太好，那么能不能自动地学习一些特征呢？答案是能！Dee...
Use IntelliJ to generate class diagram
... Code Iris just stops my project to launch. Community version 2019.1.
– WesternGun
Oct 8 '19 at 13:21
@We...
What is output buffering?
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UPDATE 2019. If you have dedicated server and SSD or better NVM, 3.5GHZ. You shouldn't use buffering to make faster loaded website in 100ms-150ms.
Becouse network is slowly than proccesing script in the 2019 with performance server...
Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
...4f, commit 32a6707, commit 440bf91, commit 0b408ca, commit 2eabd38 (28 Oct 2019), and commit 1bcef51, commit ecde49b (05 Oct 2019) by brian m. carlson (bk2204).
(Merged by Junio C Hamano -- gitster -- in commit 28014c1, 10 Nov 2019)
t/oid-info: add empty tree and empty blob values
Signed-...
How to stop Visual Studio from opening a file on single click?
... Yes it seems they removed the button from Options menu in VS 2019.
– ワイきんぐ
Jun 18 '19 at 14:59
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Calc of max, or max of calc in CSS
...lly a max() and a min() function may be introduced to CSS, but as of April 2019 it is not part of the spec.
Here you can check for max() Browser compatibility:
https://developer.mozilla.org/en-US/docs/Web/CSS/max#Browser_compatibility.
Here is the draft of of the proposal:
https://drafts.csswg...
How can I add a key/value pair to a JavaScript object?
....obj, ...pair};
document.body.innerHTML = JSON.stringify(obj);
Year 2019 answer
Object assignment operator +=:
obj += {key3: "value3"};
Oops... I got carried away. Smuggling information from the future is illegal. Duly obscured!
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git pull while not in a git directory
...h git to treat -C ""' as a no-op, as well.
4 years later, Git 2.23 (Q3 2019) documents that 'git -C ""' works and doesn't change directory
It's been behaving so since 6a536e2 (git: treat "git -C '<path>'"
as a no-op when <path> is empty, 2015-03-06, Git v2.3.4).
That means ...
Merge 2 arrays of objects
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Update 12 Oct 2019
New version based only on newer Javascript and without the need of any 3rd party library.
const mergeByProperty = (target, source, prop) => {
source.forEach(sourceElement => {
let targetElement = target.f...