大约有 40,000 项符合查询结果（耗时：0.0590秒） [XML]
Is there a method that works like start fragment for result?
...d.arch.lifecycle.ViewModel
class SharedViewModel : ViewModel() {
val stringData: MutableLiveData<String> by lazy {
MutableLiveData<String>()
}
}
FirstFragment
import android.arch.lifecycle.Observer
import android.os.Bundle
import android.arch.lifecycle.ViewModelProv...
How to convert View Model into JSON object in ASP.NET MVC?
... but never found Json.Encode and just used JavaScriptSerializer to add the string in the controller to the view model
– AaronLS
Aug 31 '12 at 23:14
5
...
How to overwrite the previous print to stdout in python?
...):
print('{}\r'.format(x), end="")
print()
In Python 3.6 and later, f-strings read better:
for x in range(10):
print(f'{x}\r', end="")
print()
Of course, as Tim Seguine points out in the comments, for a case this simple, you don't even need to do formatting:
for x in range(10):
print(x...
Most used parts of Boost [closed]
...st
program_options (just brilliant!)
test (for all my unit testing needs).
String algorithms
String tokenizer
format (type-safe printf style string formatting)
smart ptrs
Boost was a massive help when I wrote my first cross-platform app - without it I really would have struggled.
...
Xcode without Storyboard and ARC
...gWithOptions: (NSDictionary *)launchOptions
{
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
// Override point for customization after application launch.
TestViewController *test = [[TestViewController alloc] initWithNibName:@"TestViewController" bundle...
Wait for a process to finish
... Note that lsof uses polling, that +r 1 is the timeout, I am personally looking for a solution for MacOS that does not use polling.
– Alexander Mills
Feb 28 '18 at 16:58
...
How to set a default value for an existing column
...
MSSQL is weird for calling default values "constraints". If anything, they are relaxations; the opposite of a constraint! They make more things valid, not fewer.
– Roman Starkov
May 11 '13 at 12:06
...
Shall we always use [unowned self] inside closure in Swift
... in order to make sure that it is still around by the time the closure is called.
Example: Making an asynchronous network request
If you are making an asynchronous network request you do want the closure to retain self for when the request finishes. That object may have otherwise been deallocated ...
How do I clone a range of array elements to a new array?
...
The following code does it in one line:
// Source array
string[] Source = new string[] { "A", "B", "C", "D" };
// Extracting a slice into another array
string[] Slice = new List<string>(Source).GetRange(2, 2).ToArray();
...
How do I get the value of text input field using JavaScript?
...s far as I can see, it just doesn't support CSS3 selectors in the selector string.
– Fabrício Matté
Jun 22 '13 at 4:02
...