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Why use Object.prototype.hasOwnProperty.call(myObj, prop) instead of myObj.hasOwnProperty(prop)?
...type chain.
– alex
Jan 17 '16 at 15:06
This is an interesting example from eslint.org/docs/rules/no-prototype-builtins...
What would a “frozen dict” be?
...rt).
– Mike Graham
Apr 24 '10 at 16:06
6
@devin: agreed in full, but I'll let my post stand as an...
When and why would you seal a class?
...
– Warlike Chimpanzee
Mar 10 '19 at 22:06
2
Can't agree more with @RayLuo. I hit it several times th...
What is an undefined reference/unresolved external symbol error and how do I fix it?
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edited Sep 9 '14 at 1:06
Praetorian
97.6k1414 gold badges214214 silver badges300300 bronze badges
an...
The Definitive C++ Book Guide and List
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edited Aug 1 at 21:06
community wiki
85 ...
Optimal settings for exporting SVGs for the web from Illustrator?
...s.
– methodofaction
Nov 5 '12 at 23:06
Thanks again. Don't say things like "you'd only be gaining coverage for old Bla...
MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...en-us/vclib/html/_mfc_cwnd.3a3a.setredraw.asp
23. listctrl排序
Q250614：How To Sort Items in a CListCtrl in Report View
http://support.microsoft.com/kb/250614/en-us
24. 在listctrl中选中某个item时动态改变其icon或bitmap
Q141834: How to change the icon or the bitmap of a ...
How can I respond to the width of an auto-sized DOM element in React?
...de immediately.
– Andy
Apr 18 at 19:06
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show 4 more comments
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Difference between Node object and Element object?
...
506
A node is the generic name for any type of object in the DOM hierarchy. A node could be one of...
How to append rows to an R data frame
...dd_row(x = x, y = toString(x)) })
)
user system elapsed
0.756 0.006 0.766
It scales almost linearly, so for 1e5 rows, the performance is:
system.time(
map_df(1:100000, function(x) { df %>% add_row(x = x, y = toString(x)) })
)
user system elapsed
76.035 0.259 76.489
which...