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How does BLAS get such extreme performance?
...le of what can be done with SIMD assembler over C++ code, see some example iPhone matrix functions - these were over 8x faster than the C version, and aren't even "optimized" assembly - there's no pipe-lining yet and there is unnecessary stack operations.
Also your code is not "restrict correct" - ...
How to get the raw value an field?
... @MotiKorets doesn't work for entering floating point numbers as iPhones don't put a decimal point on the keyboard. Unfortunately devs are pretty screwed at the moment as far as providing a nice floating point entry UX...
– Andy
Dec 17 '15 at 16:27
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Why use AJAX when WebSockets is available?
...xed server and browser support. Let me just diffuse that a bit. While iOS (iPhone, iPad) still supports the older protocol (Hixie) most WebSockets servers support both Hixie and the HyBi/IETF 6455 version. Most other platforms (if they don't already have built-in support) can get WebSockets support ...
Do I encode ampersands in ?
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+ isn't respected in mailto links in the native iPhone mail client currently, for what it's worth.
– Ryan Olson
Oct 8 '13 at 20:17
1
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Why are Objective-C delegates usually given the property assign instead of retain?
...ted environment. I'm mostly concerned with a non-GC based environment (eg: iPhone).
4 Answers
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libcurl的使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...rl 程序都要频繁的使用它.它告诉curl库.程序将有如何的行为. 比如要查看一个网页的html代码等.(这个函数有些像ioctl函数)参数:
1 CURL类型的指针
2 各种CURLoption类型的选项.(都在curl.h库里有定义,man 也可以查看到)
3 parameter 这个参...
Calling Objective-C method from C++ member function?
...od 'init' in cocos2d-x returns bool, instead of returning 'id' in cocos2d-iphone
virtual bool init();
// a selector callback
void menuCloseCallback(cocos2d::Ref* pSender);
void ObCCall(); //definition
// implement the "static create()" method manually
CREATE_FUNC(HelloWorld);
};
#endif // __HELLOW...
How to change the default charset of a MySQL table?
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well the iPod Touch/iPhone must have some drawback. :-P Never realised that they are missing until you mentioned it. ;-)
– Aufwind
Jan 18 '12 at 8:33
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How can I make a UITextField move up when the keyboard is present - on starting to edit?
...will only need a ScrollView if the contents you have now do not fit in the iPhone screen. (If you are adding the ScrollView as the superview of the components just to make the TextField scroll up when keyboard comes up, then it's not needed.)
The standard way to prevent the TextFields from being cov...
O2O江湖:2015大洗牌 2016 BAT等巨头将“肉搏” - 资讯 - 清泛网 - 专注C/C++及内核技术
...去哪儿等行业领跑者的合并。
但战争远没有结束，几起为了减少不必要烧钱的合并案之后，我们依然看到这个行业的发展，还是在靠低价驱动，而BAT的纷纷高调入场，整个O2O更高级别的鏖战才刚刚开始。
2016趋势：巨头入场，...