大约有 6,600 项符合查询结果（耗时：0.0136秒） [XML]
关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...着，等到鱼上钩了再拉杆；
B的鱼竿有个功能，能够显示是否有鱼上钩，所以呢，B就和旁边的MM聊天，隔会再看看有没有鱼上钩，有的话就迅速拉杆；
C用的鱼竿和B差不多，但他想了一个好办法，就是同时放好几根鱼竿，然后...
When to use enumerateObjectsUsingBlock vs. for
... I confirm enumerateObjectsUsingBlock: is still 4X slower on real iPhone 6 iOS9, using Xcode 7.x to build.
– Cœur
Nov 25 '15 at 12:56
...
OceanBase使用libeasy原理源码分析：客户端 - 数据库(内核) - 清泛网 - 专...
...eanBase使用libeasy原理源码分析：客户端这篇主要写libeasy作为客户端的情形。结合OceanBase 0 4的mergeserver使用libeasy的情况进行分析,mergeserver请求chunkserver是异步请求，chunkserver使用update是同步请求，在li 这篇主要写libeasy作为客户端...
Calculate distance between two latitude-longitude points? (Haversine formula)
...Thanks very much for all this. I used the following code in my Objective-C iPhone app:
const double PIx = 3.141592653589793;
const double RADIO = 6371; // Mean radius of Earth in Km
double convertToRadians(double val) {
return val * PIx / 180;
}
-(double)kilometresBetweenPlace1:(CLLocationC...
App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...技巧】从.aia项目文件中提取.aix拓展包
【自己写拓展】为AppInventor2开发拓展(Extension)
中文网拓展
【AI大模型】LLMAI2Ext 自研拓展：接入DeepSeek、Kimi、通义千问…等国内大模型，免费开放！
【Markdown】Markdow...
UIView Infinite 360 degree rotation animation?
...
Found a method (I modified it a bit) that worked perfectly for me: iphone UIImageView rotation
#import <QuartzCore/QuartzCore.h>
- (void) runSpinAnimationOnView:(UIView*)view duration:(CGFloat)duration rotations:(CGFloat)rotations repeat:(float)repeat {
CABasicAnimation* rotation...
Create UIActionSheet 'otherButtons' by passing in array, not varlist
...
Not the answer you're looking for? Browse other questions tagged ios iphone uialertview uiactionsheet or ask your own question.
UIPopovercontroller dealloc reached while popover is still visible
...it is managed by the presentation controller.
Code example (works both on iPhone and iPad):
UIImagePickerController *picker = [[UIImagePickerController alloc] init];
picker.delegate = self;
picker.sourceType = UIImagePickerControllerSourceTypeCamera;
picker.allowsEditing = YES;
picker.modalPresent...
Is there a way to iterate over a dictionary?
...e if you're targeting Mac OS X pre-10.5, but you can still use on 10.5 and iPhone) is to use an NSEnumerator:
NSEnumerator *enumerator = [myDict keyEnumerator];
id key;
// extra parens to suppress warning about using = instead of ==
while((key = [enumerator nextObject]))
NSLog(@"key=%@ value=%@...
navigator.geolocation.getCurrentPosition sometimes works sometimes doesn't
...e, dev and canary) just not in FF and Safari. It also works perfect on my iPhone and iPad (Safari!). This might be due to the relative newness of this feature (i.e. it is a bug). I spend almost a week on this now and I just cannot get it to work on those browsers
Here's what I found:
The first ...