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What exactly does @synthesize do?
...et using the dot notation: myObject.mapView. A property doesn't have to be based on an ivar, but most properties are. The @propertydeclaration simply tells the world that there is a property called mapView.
@synthesize mapView = mapView1;
This line tells the compiler to create a setter and getter ...
Iterating C++ vector from the end to the beginning
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Starting with c++20, you can use a std::ranges::reverse_view and a range-based for-loop:
#include<ranges>
#include<vector>
#include<iostream>
using namespace std::ranges;
std::vector<int> const vec{1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
for(auto& i : views::reverse(vec))...
Django in / not in query
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
... gcc-4.8.1 0.296s 0.288s
Update: on Ivy Bridge-based Core i3 three versions of gcc (4.6.4, 4.7.3, and 4.8.1) produce binaries with significantly different performance, but the assembly code has only subtle variations. So far, I have no explanation of this fact.
Assembly ...
How to create abstract properties in python abstract classes
In the following code, I create a base abstract class Base . I want all the classes that inherit from Base to provide the name property, so I made this property an @abstractmethod .
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View HTTP headers in Google Chrome?
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For Version 78.0.3904.87, OS = Windows 7, 64 bit PC
Steps:
Press F12
Select Network Tab
Select XHR
Under Name --> you can see all the XHR requests made.
To view Request Headers of a particular XHR request, click on that request. All details about that XHR reque...
Android Studio - debug keystore
...wered May 18 '13 at 9:38
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Convert Float to Int in Swift
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NVIDIA vs AMD: GPGPU performance
...nvested is also strongly dependant on devel tools, existing community code bases (eg, publicly available libraries, etc). Those considerations all point strongly to NVIDIA.
(Editor: the information in this paragraph is no longer accurate.) In terms of hardware, the requirement for vectorization wi...