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Does a favicon have to be 32x32 or 16x16?
I'd like to use a single image as both a regular favicon and iPhone/iPad friendly favicon.
9 Answers
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App Inventor 2 调用大模型API教程 - 阿里云百练等LLM集成 · App Inventor 2 中文网
... Q1: 返回401 Unauthorized？
API Key不正确。检查Key是否有效，是否有过期或配额限制。
Q2: 返回429 Too Many Requests？
请求频率过高。增加请求间隔，或升级API套餐。
Q3: 回复内容是乱码？
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How to set the UITableView Section title programmatically (iPhone/iPad)?
I've created a UITableView in Interface Builder using storyboards . The UITableView is setup with static cells and a number of different sections.
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How to make return key on iPhone make keyboard disappear?
I have two UITextFields (e.g. username and password) but I cannot get rid of the keyboard when pressing the return key on the keyboard. How can I do this?
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iPhone Safari Web App opens links in new window
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Is there an example of the opposite? Forcing an iPhone web app to open a page in Safari eventhough it's a javascript location change?
– tkahn
Jan 4 '12 at 16:23
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Objective-C : BOOL vs bool
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From the definition in objc.h:
#if (TARGET_OS_IPHONE && __LP64__) || TARGET_OS_WATCH
typedef bool BOOL;
#else
typedef signed char BOOL;
// BOOL is explicitly signed so @encode(BOOL) == "c" rather than "C"
// even if -funsigned-char is used.
#endif
#define YE...
C/C++中退出线程的几种方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...别的线程可以调用GetExitcodeThread来检查由hThread标识的线程是否已经终止运行。如果它已经终止运行，则确定它的退出代码：
函数原型：
BOOL GetExitCodeThread(
HANDLE hThread,
PDWORD pdwExitCode);
退出代码的值在pdwExitCode指向的DWOR...
App Inventor 2 颜色代码块 · App Inventor 2 中文网
...），采用 WCAG 无障碍标准公式；是深色吗 直接判断亮度是否小于 0.5。两者配合可以自动选择文字颜色——深色背景配白字、浅色背景配黑字，保证文字始终可读：
when Screen1.Initialize {
global 底色 = colorFromHex("#4CAF50")
if isDarkColo...
iPhone get SSID without private library
... Getting a dictionary object containing the information of the network the iPhone is connected to NSDictionary *networkDict = [self fetchSSIDInfo]; // Select the SSID from the network information NSString *iPhoneNetworkSSID = [networkDict objectForKey:@"SSID"];
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服务器保持大量TIME_WAIT和CLOSE_WAIT的解决方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...法来管理这些 TIME_WAIT，所以对于新的 TCP连接请求，判断是否hit中一个TIME_WAIT不会太费时间，但是有这么多状态要维护总是不好。
HTTP协议1.1版规定default行为是Keep-Alive，也就是会重用TCP连接传输多个 request/response，一个主要原...