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Round double in two decimal places in C#?
...d point numbers to the nearest even number docs.microsoft.com/en-us/dotnet/api/…
– rdans
Sep 8 at 12:17
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How to delete SQLite database from Android programmatically
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The SQLiteDatabase.deleteDatabase(File file) static method was added in API 16. If you want to write apps that support older devices, how do you do this?
I tried: file.delete();
but it messes up SQLiteOpenHelper.
Thanks.
NEVER MIND! I later realized you are using Context.deleteDatabase()....
What unique features does Firebug have that are not built-in to Firefox?
...mand line
single-click to edit
highlighting elements on hover
command line APIs, like include and getEventListeners
ability to show UA styles
"Add rule" from within the Style panel
a CSS panel that is usable for minified CSS
when an element contains only text, the HTML panel displays the text inline...
What's an Aggregate Root?
...is simple class hierarchy
How do you want to ride your car? Chose better api
Option A (it just somehow works):
car.ride();
Option B (user has access to class inernals):
if(car.getTires().getUsageLevel()< Car.ACCEPTABLE_TIRE_USAGE)
for (Wheel w: car:getWheels()){
w.spin();
}...
How do you set EditText to only accept numeric values in Android?
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android:numeric is deprecated since API 3, see answer to stackoverflow.com/questions/12625380/…
Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
... }, Math.random() * 2000);
}
Most often in real use cases, the DOM API and most libraries already provide the callback functionality (the helloCatAsync implementation in this demonstrative example). You only need to pass the callback function and understand that it will execute out of the sy...
How to check whether a pandas DataFrame is empty?
...dex:
if len(df.columns) == 0: 1
Reason:
According to the Pandas Reference API, there is a distinction between:
an empty dataframe with 0 rows and 0 columns
an empty dataframe with rows containing NaN hence at least 1 column
Arguably, they are not the same. The other answers are imprecise in that ...
How to print to the console in Android Studio?
...nknown property 'Log' for object of type com.android.build.gradle.internal.api.LibraryVariantImpl.
– bigp
Nov 29 '16 at 23:25
7
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Using jQuery To Get Size of Viewport
...er in the feedback to potential programmer's mistakes. For example, Google Apis need an aside manual to understand the error messages. That's absurd, to need external documentation for some tiny mistakes that don't need you to go and search a manual or a specification. The library must be SELF-DOCUM...
Get last record in a queryset
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If using django 1.6 and up, its much easier now as the new api been introduced -
Model.object.earliest()
It will give latest() with reverse direction.
p.s. - I know its old question, I posting as if going forward someone land on this question, they get to know this new feature an...