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Calling async method synchronously
...ask, which will cause your thread to block until the result is available:
string code = GenerateCodeAsync().Result;
Note: In some cases, this might lead to a deadlock: Your call to Result blocks the main thread, thereby preventing the remainder of the async code to execute. You have the followi...
ReSharper warns: “Static field in generic type”
...public class Test
{
public static void Main()
{
Generic<string>.Foo = 20;
Generic<object>.Foo = 10;
Console.WriteLine(Generic<string>.Foo); // 20
}
}
As you can see, Generic<string>.Foo is a different field from Generic<object>.Foo ...
What is the proper way to re-throw an exception in C#? [duplicate]
...or, but allows you to put more context, such as an object ID, a connection string, stuff like that. Often my exception reporting tool will have 5 chained exceptions to report, each reporting more detail.
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What's “tools:context” in Android layout files?
...none of those attributes will be packaged into the APK. We're using it for extra metadata in the layout. It's also where for example the attributes to suppress lint warnings are stored -- as tools:ignore.
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C# member variable initialization; best practice?
...d properties (field initializers cannot) - i.e.
[DefaultValue("")]
public string Foo {get;set;}
public Bar() { // ctor
Foo = "";
}
Other than that, I tend to prefer the field initializer syntax; I find it keeps things localized - i.e.
private readonly List<SomeClass> items = new List<...
How to preventDefault on anchor tags?
...gs (<a></a>) to see if their href attribute is either an empty string ("") or a hash ('#') or there is an ng-click assignment. If it finds any of these conditions, it catches the event and prevents the default behavior.
The only down side is that it runs this directive for all anchor t...
MD5 algorithm in Objective-C
...
md5 is available on the iPhone and can be added as an addition for ie NSString and NSData like below.
MyAdditions.h
@interface NSString (MyAdditions)
- (NSString *)md5;
@end
@interface NSData (MyAdditions)
- (NSString*)md5;
@end
MyAdditions.m
#import "MyAdditions.h"
#import <CommonCrypto...
Django Rest Framework - Could not resolve URL for hyperlinked relationship using view name “user-det
...
or you can make use of extra_kwargs as drf recommends: extra_kwargs = {'url': {'view_name': 'myapp:user-detail'}}
– ChrisRob
Jan 25 at 15:11
...
How to make a countdown timer in Android?
....Date;
public class MainActivity extends AppCompatActivity {
private String EVENT_DATE_TIME = "2020-12-31 10:30:00";
private String DATE_FORMAT = "yyyy-MM-dd HH:mm:ss";
private LinearLayout linear_layout_1, linear_layout_2;
private TextView tv_days, tv_hour, tv_minute, tv_second;
...
Using the RUN instruction in a Dockerfile with 'source' does not work
...xpect a fully POSIX shell at /bin/sh. The bash shell isn't just POSIX plus extra builtins. There are builtins (and more) that behave entirely different than those in POSIX. I FULLY support avoiding POSIX (and the fallacy that any script that you didn't test on another shell is going to work because ...