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Can I use Objective-C blocks as properties?
...impleBlock)(void);
@property (nonatomic, copy) BOOL (^blockWithParamter)(NSString *input);
If you are going to be repeating the same block in several places use a type def
typedef void(^MyCompletionBlock)(BOOL success, NSError *error);
@property (nonatomic) MyCompletionBlock completion;
...
Dealing with commas in a CSV file
...ader reader = new CsvReader( "data.csv" ) )
{
foreach( string[] values in reader.RowEnumerator )
{
Console.WriteLine( "Row {0} has {1} values.", reader.RowIndex, values.Length );
}
}
Console.ReadLine();
}
}
Here are th...
Read/write to Windows registry using Java
... following code obtains the exact windows distribution from the registry:
String value = WinRegistry.readString (
WinRegistry.HKEY_LOCAL_MACHINE, //HKEY
"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", //Key
"ProductName"); ...
python exception message capturing
...
repr(e) gives you the exception(and the message string); str(e) only gives the message string.
– whitebeard
Jul 30 '16 at 11:28
11
...
String to LocalDate
How can i convert a string to a LocalDate ?
5 Answers
5
...
How to get the error message from the error code returned by GetLastError()?
...
//Returns the last Win32 error, in string format. Returns an empty string if there is no error.
std::string GetLastErrorAsString()
{
//Get the error message, if any.
DWORD errorMessageID = ::GetLastError();
if(errorMessageID == 0)
return st...
Is using Random and OrderBy a good shuffle algorithm?
...Or you could replace the > 0 with >= 0 and not have to (although, an extra RNG hit plus a redundant assignment)
– FryGuy
Nov 29 '09 at 20:40
4
...
App Launcher 应用启动器扩展：用于启动其他应用程序的强大工具，支持独立...
...键值的列表
getResultValue 方法将与指定键关联的值作为 String 返回
getResultObject 方法将与指定键关联的值作为 object 返回，即与被启动的应用程序存储的数据类型相同
关于Intent
Android使用 Intent 对象向系统发送...
Accessing last x characters of a string in Bash
I found out that with ${string:0:3} one can access the first 3 characters of a string. Is there a equivalently easy method to access the last three characters?
...
How can I debug a HTTP POST in Chrome?
...und. It'll give you the request & response headers of course, but with extra info like docs from MDN (the Mozilla Developer Network) for every standard header and status code you can see.
A picture is worth a thousand StackOverflow answers:
...