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C# Create New T()
...;T> factory)
{ return factory(); }
and call it something like this:
string s = GetObject(() => "result");
You can use that to require or make use of available parameters, if needed.
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How to get unique device hardware id in Android? [duplicate]
...ations.html
ANDROID_ID
import android.provider.Settings.Secure;
private String android_id = Secure.getString(getContext().getContentResolver(),
Secure.ANDROID_ID);
The above is from the link @ Is there a unique Android device ID?
More specif...
How to detect my browser version and operating system using JavaScript?
...gt.indexOf("Opera"))!=-1) {
browserName = "Opera";
fullVersion = nAgt.substring(verOffset+6);
if ((verOffset=nAgt.indexOf("Version"))!=-1)
fullVersion = nAgt.substring(verOffset+8);
}
// In MSIE, the true version is after "MSIE" in userAgent
else if ((verOffset=nAgt.indexOf("MSIE"))!=-1) {
b...
Rounding float in Ruby
...
@Excalibur 2.3000.round(2) is a number, not a string. There is no way that the number 2.3 is different from 2.30, so there is no way to have an option to preserve trailing zeros. You could make your own class of numbers_with_significance but then we already have strings....
Solving “The ObjectContext instance has been disposed and can no longer be used for operations that
...oading. E.g. if you have this entity:
public class MemberLoan
{
public string LoandProviderCode { get; set; }
public virtual Membership Membership { get; set; }
}
Entity Framework will return proxy inherited from this entity and provide DbContext instance to this proxy in order to allow laz...
Javascript shorthand ternary operator
... Isn't this idiom an anti-pattern? What if you pass 0 or empty string, the 'OR' expression will skip it and use the default value where you actually wanted 0 or empty string.
– Paul Trzyna
Jun 29 '18 at 13:25
...
When should one use RxJava Observable and when simple Callback on Android?
...r:
inputObservable.debounce(1, TimeUnit.SECONDS).subscribe(new Action1<String>() {
@Override
public void call(String s) {
// use Retrofit to create autocompletedata
}
});
I won't create the Callback variant but you will understand ...
Is there a stopwatch in Java?
...TimeUnit.MILLISECONDS);
log.info("that took: " + stopwatch); // formatted string like "12.3 ms"
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Further understanding setRetainInstance(true)
...tribute with a unique ID.
Supply the android:tag attribute with a unique string.
If you provide neither of the previous two, the system uses the ID of the container view.
This strongly implies that if you do setContentView(R.layout.whatever) in Activity.onCreated() and that layout contains ...
How to retrieve a module's path?
...(__file__) can also be tricky. At least on my system, it returns an empty string if you call it from the same directory as the file. ex.
# foo.py
import os
print '__file__ is:', __file__
print 'os.path.dirname(__file__) is:', os.path.dirname(__file__)
will output:
__file__ is: foo.py
os.path.d...