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Are there pronounceable names for common Haskell operators? [closed]
...r
main = translateLn <$> getLine >>= putStrLn
translateLn :: String -> String
translateLn = unwords . map t . words
t :: String -> String -- t(ranslate)
-- historical accurate naming
t "=" = "is equal too" -- The Whetstone of Witte - Robert Recorde (1557)
-- proposed namings
-...
How to find out the MySQL root password
...wing queries to change the password:
UPDATE mysql.user SET authentication_string=PASSWORD('password') WHERE User='root';
FLUSH PRIVILEGES;
In MySQL 5.7, the password field in mysql.user table field was removed, now the field name is 'authentication_string'.
Quit the mysql safe mode and start mys...
DateTimePicker: pick both date and time
...
Agree with @WaiHaLee: Dim date As String = CultureInfo...ShortDatePattern Dim time As String = CultureInfo...ShortTimePattern dtpThing.Format = DateTimePickerFormat.Custom dtpThingEnd.CustomFormat = date + " " + time You also can constrain, say, the time c...
Showing empty view when ListView is empty
... setContentView(R.layout.mylist);
// shows list view
String[] values = new String[] { "foo", "bar" };
// shows empty view
values = new String[] { };
setListAdapter(new ArrayAdapter<String>(
this,
android.R.layout.s...
How do I trap ctrl-c (SIGINT) in a C# console app
...ss event is used for this. This is how it's used:
public static void Main(string[] args)
{
Console.CancelKeyPress += delegate {
// call methods to clean up
};
while (true) {}
}
When the user presses Ctrl + C the code in the delegate is run and the program exits. This allows y...
How do I send a POST request with PHP?
...Submit' => 'Submit'
];
//url-ify the data for the POST
$fields_string = http_build_query($fields);
//open connection
$ch = curl_init();
//set the url, number of POST vars, POST data
curl_setopt($ch,CURLOPT_URL, $url);
curl_setopt($ch,CURLOPT_POST, true);
curl_setopt($ch,CURLOPT_POSTFIE...
Does a view exist in ASP.NET MVC?
...
private bool ViewExists(string name)
{
ViewEngineResult result = ViewEngines.Engines.FindView(ControllerContext, name, null);
return (result.View != null);
}
For those looking for a copy/paste extension method:
public static class Con...
Is there any way to enforce typing on NSArray, NSMutableArray, etc.?
... types you wish by using macros:
MyArrayTypes.h
CUSTOM_ARRAY_INTERFACE(NSString)
CUSTOM_ARRAY_INTERFACE(User)
MyArrayTypes.m
CUSTOM_ARRAY_IMPLEMENTATION(NSString)
CUSTOM_ARRAY_IMPLEMENTATION(User)
Usage:
NSStringArray* strings = [NSStringArray array];
[strings add:@"Hello"];
NSString* str = ...
Best way to implement Enums with Core Data
...nformation about the meta data within the NSNumber category. (i.e. linking strings to the enum values)
– DonnaLea
Jan 28 '14 at 12:42
...
How to create a date and time picker in Android? [closed]
...anks ! However, i had to clone the code, because i think gradle dependency string is not valid ?
– kuldeep
Aug 20 '15 at 14:21
...