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Does Dart support enumerations?
... constants within the class are compile time constants, and this class can now be used in, for example, switch statements:
var a = Fruit.APPLE;
switch (a) {
case Fruit.APPLE:
print('Yes!');
break;
}
share
...
how to create a Java Date object of midnight today and midnight tomorrow?
...Date
LocalTime midnight = LocalTime.MIDNIGHT;
LocalDate today = LocalDate.now(ZoneId.of("Europe/Berlin"));
LocalDateTime todayMidnight = LocalDateTime.of(today, midnight);
LocalDateTime tomorrowMidnight = todayMidnight.plusDays(1);
Joda-Time
If you're using a JDK < 8, I recommend Joda Time,...
How to write a Python module/package?
... tasks at work and never really bothered packaging them for others to use. Now I have been assigned to make a Python wrapper for a REST API. I have absolutely no idea on how to start and I need help.
...
How to implement onBackPressed() in Fragments?
...pBackStack(null, FragmentManager.POP_BACK_STACK_INCLUSIVE);
}
}
Since now, we will work on our code BaseActivity and its fragments
Create private listener on top of your class BaseActivity
protected OnBackPressedListener onBackPressedListener;
create method to set listener in BaseActivity
pu...
Recursively add files by pattern
...ot already be tracked. If you want to limit yourself to files git already knows about, you could combine git-ls-files with a filter:
git ls-files [path] | grep '\.java$' | xargs git add
Git doesn't provide any fancy mechanisms for doing this itself, as it's basically a shell problem: how do you get...
Get User's Current Location / Coordinates
... Step by step answer. But please update it. Its not working for now.
– Dheeraj D
Oct 13 '17 at 5:16
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Debugging Scala code with simple-build-tool (sbt) and IntelliJ
...Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005
You now can run your code as normal, for example with the sbt run command.
Configuring IntelliJ to connect to the running code...
Now you connect IntelliJ to your running process using a Remote Debug configuration. Note that th...
How do Python functions handle the types of the parameters that you pass in?
...
Python is strongly typed because every object has a type, every object knows its type, it's impossible to accidentally or deliberately use an object of a type "as if" it was an object of a different type, and all elementary operations on the object are delegated to its type.
This has nothing to ...
Loading Backbone and Underscore using RequireJS
...
RequireJS 2.X now organically addresses non-AMD modules such as Backbone & Underscore much better, using the new shim configuration.
The shim configuration is simple to use: (1) one states the dependencies (deps), if any, (which may...
How does database indexing work? [closed]
...ive million rows and is unindexed. The performance of several queries will now be analyzed. These are a query using the id (a sorted key field) and one using the firstName (a non-key unsorted field).
Example 1 - sorted vs unsorted fields
Given our sample database of r = 5,000,000 records of a fixe...