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Determine which element the mouse pointer is on top of in JavaScript
...at with getElementsFromPoint), but it is wayyy slower (18-20ms per call in my testing in chrome) which makes it hard to use in the scenario I had in mind (finding drop targets during a drag in a case when using a more basic event-driven approach is not doable).
– jsdw
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Find() vs. Where().FirstOrDefault()
... applicable, are then more reusable and have a greater impact.
I guess my next question would be why did they add the find at all. That is a good tip. The only thing I can think of is that the FirstOrDefault could return a different default value other than null. Otherwise it just seems like a p...
What is the rationale behind having companion objects in Scala?
...nt functions in the companion object makes it easy to look up and use, for myself as well as some one building on top of my code.
Moreover, it is a language provided feature to write the singleton pattern without doing anything. This is especially useful when you need a singleton to encapsulate a ...
How to comment out a block of Python code in Vim
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I have the following lines in my .vimrc:
" comment line, selection with Ctrl-N,Ctrl-N
au BufEnter *.py nnoremap <C-N><C-N> mn:s/^\(\s*\)#*\(.*\)/\1#\2/ge<CR>:noh<CR>`n
au BufEnter *.py inoremap <C-N><C-N> <C...
Python list of dictionaries search
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@wasabigeek this is what my Python 2.7 says: people = [ {'name': "Tom", 'age': 10}, {'name': "Mark", 'age': 5}, {'name': "Pam", 'age': 7} ] r = filter(lambda person: person['name'] == 'Pam', people) type(r) ...
Override valueof() and toString() in Java enum
The values in my enum are words that need to have spaces in them, but enums can't have spaces in their values so it's all bunched up. I want to override toString() to add these spaces where I tell it to.
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how to set radio option checked onload with jQuery
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My original example had 'checked','checked' , it's one of those things I can never remember which one is right. jQuery figures it out either way, but I know if you want to set the actual checked attribute of a DOM element it ...
Does disposing streamreader close the stream?
...eave stream open would be like: using (var streamReader = new StreamReader(myStream, Encoding.UTF8, true, 1024, true))
– beawolf
Oct 31 '18 at 6:56
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一个科技公司只是碰巧卖起了披萨？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...播放，当时业界都认为，达美乐CEO已经破罐子破摔了。“My order was made just as I order”(“披萨饼”实在毫无新意)；“taste as plastic”(“吃达美乐披萨就像在嚼塑料”)……这一事件疯狂发酵，大家吐槽越来越来劲。段子、视频不停...
What is SuppressWarnings (“unchecked”) in Java?
...nchecked") here, it would have a problem with line, where I want to return my ResultList.
In shortcut type-safety means: A program is considered type-safe if it compiles without errors and warnings and does not raise any unexpected ClassCastException s at runtime.
I build on http://www.angelikalan...