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Difference between abstraction and encapsulation?
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dirkgentlydirkgently
98.6k1616 gold badges119119 silver badges180180 bronze badges
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Skip rows during csv import pandas
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5s 15s 20d 6s 14n 10s USGS 08041780 2018-05-06 00:00 CDT 1.98 A
It would be nice if there was a way to automatically skip the n'th row as well as the n'th line.
As a note, I was able to fix my issue with:
import pandas as pd
ds = pd.read_csv(fname, comment='#', sep='\t', heade...
What HTTP status response code should I use if the request is missing a required parameter?
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Mark Amery
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answered Jun 16 '10 at 3:32
Gert Grenan...
How to detect page zoom level in all modern browsers?
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Clokman
8988 bronze badges
answered Jun 14 '16 at 14:34
user1080381user1080381
1,18611 ...
Which C++ idioms are deprecated in C++11?
...d of just by value:
const A foo();
^^^^^
This was mostly harmless in C++98/03, and may have even caught a few bugs that looked like:
foo() = a;
But returning by const is contraindicated in C++11 because it inhibits move semantics:
A a = foo(); // foo will copy into a instead of move into it
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How to forward declare a C++ template class?
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I haven't checked the standards, but this works on clang/gcc with -std=c++98 up to -std=c++17, so if it's not officially a standard then it looks to be unofficially so.
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Why can I use auto on a private type?
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To add to the other (good) answers, here's an example from C++98 that illustrates that the issue really doesn't have to do with auto at all
class Foo {
struct Bar { int i; };
public:
Bar Baz() { return Bar(); }
void Qaz(Bar) {}
};
int main() {
Foo f;
f.Qaz(f.Baz()); // Ok
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“21天教你学会C++” - 创意 - 清泛网 - 专注C/C++及内核技术
...应该去考虑研究量子物理和生物化学，这样，我才能重返98年杀掉还在大学的我，然后达到21天搞定C++的目标。另外，得要特别提醒刚刚开始学习C++的朋友，第21天的时候，小心被人杀害。呵呵。
当然，上面只是一个恶搞此类图...
How to get the current time in milliseconds from C in Linux?
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98
This can be achieved using the POSIX clock_gettime function.
In the current version of POSIX, ...
How to fight tons of unresolved variables warning in Webstorm?
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Dan DascalescuDan Dascalescu
98.3k3737 gold badges263263 silver badges333333 bronze badges
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