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近期 Chrome 下 Discuz 兼容问题修复记录：AJAX 提交失效与移动链接误跳转 ...
最近排查并修复了 2 个和新版 Chrome 兼容性相关的问题，记录如下。
一、AJAX 操作失效，表现为“加载中”一闪而过，没有后续动作
现象：
1. 登录、帖子分类、部分弹层提交等 AJAX 操作失效
2. 浏览器控制台最初还伴...
有返回值的过程代码块怎样执行代码块并返值？ - App Inventor 2 中文网 - ...
...回结果，一个没有返回结果。这两没法包含着用而且里面的插槽形状也不一样，我想知道如果定义一个过程函数时需要里面有执行块还有其它块最后返回结果，这个时候该咋办？
有返回结果不能安装执行块，没返回结果的执行...
App Inventor 2 MultiImagePicker 拓展：实现图片/视频多选功能 - App Inve...
...ker 拓展：实现图片/视频多选功能
App Inventor 2 原生提供的 ImagePicker（图像选择器）组件只能一次选择一张图片，在实际开发中经常需要一次选取多张图片（比如发帖、上传相册等场景）。MultiImagePicker 拓展完美解决这个问题。
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When should I choose Vector in Scala?
...e should we use?
Basically, there are four common cases:
We only need to transform sequences by operations like map, filter, fold etc:
basically it does not matter, we should program our algorithm generically and might even benefit from accepting parallel sequences. For sequential operations List ...
Is there any significant difference between using if/else and switch-case in C#?
...s were used with a small number of strings, that the compiler did the same transformation for large numbers of strings.
This was WRONG. 'IMA' was kind enough to point this out to me (well...he wasn't kind about it, but he was right, and I was wrong, which is the important part)
I also made a bone ...
How to make jQuery to not round value returned by .width()?
... that getBoundingClientRect() calculates the dimensions after applying CSS transformations.
– user1620220
Jul 19 '16 at 14:15
...
Why aren't programs written in Assembly more often? [closed]
... to, maybe for a day or two, I'll behave and do it the way you like. I can transform the methods I'm using whenever you want, without even changing a single line of your code. I can even show you how your code would look in assembly, on different processor architectures and different operating syste...
C++ semantics of `static const` vs `const`
...semantics of well-defined feature.
Difficulty of converting: Semantic transformation.
How widely used: Seldom.
See also: Why does const imply internal linkage in C++, when it doesn't in C?
What you likely want to do instead on headers
Explained in detail at: What does 'const static' me...
What is tail call optimization?
...cursive functions, reuse the stackframe as-is.
The tail-call optimization transforms our recursive code into
unsigned fac_tailrec(unsigned acc, unsigned n)
{
TOP:
if (n < 2) return acc;
acc = n * acc;
n = n - 1;
goto TOP;
}
This can be inlined into fac() and we arrive at
unsi...
How to unit test abstract classes: extend with stubs?
...classes become clearer. Each settings users will ask for some settings and transform them in some way (as settings are text they may wrap them in objects of convert them to numbers etc.). As this happens I will start to extract this logic into data manipulation methods and push them back onto the st...