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Does Python have “private” variables in classes?
...ariation of private variables in the underscore convention.
In [5]: class Test(object):
...: def __private_method(self):
...: return "Boo"
...: def public_method(self):
...: return self.__private_method()
...:
In [6]: x = Test()
In [7]: x.public_method(...
What is the Scala identifier “implicitly”?
...
This answer would be updated for the latest version.
– emeth
Oct 14 '14 at 2:58
1
...
How to create Drawable from resource
I have an image res/drawable/test.png (R.drawable.test).
I want to pass this image to a function which accepts Drawable , e.g. mButton.setCompoundDrawables() .
...
Possible heap pollution via varargs parameter
...led with List[] non-varargs type.
Here is an example:
public static void testCode(){
List[] b = new List[1];
test(b);
}
@SafeVarargs
public static void test(List<A>... a){
}
As you can see List[] b can contain any type of consumer, and yet this code compiles. If you use varargs, t...
Android: install .apk programmatically [duplicate]
...file = new File(destination);
if (file.exists())
//file.delete() - test this, I think sometimes it doesnt work
file.delete();
//get url of app on server
String url = Main.this.getString(R.string.update_app_url);
//set downloadmanager
DownloadManager.Request request ...
How to check for a JSON response using RSpec?
...
Another approach to test just for a JSON response (not that the content within contains an expected value), is to parse the response using ActiveSupport:
ActiveSupport::JSON.decode(response.body).should_not be_nil
If the response is not parsa...
How is “=default” different from “{}” for default constructor and destructor?
...structor, then things won't compile whether or not you destruct a Widget:
test.cpp:8:7: error: field of type 'A' has private destructor
A a_;
^
test.cpp:4:5: note: declared private here
~A();
^
1 error generated.
...
How can I quantify difference between two images?
... "compare the pixels one by one". What does that mean? Should the test fail if ONE of the 64^2 pixel-per-pixel tests fails?
– Federico A. Ramponi
Oct 15 '08 at 13:25
...
How to convert string to boolean php
... then you'll need to check for the presence or otherwise of that value.
$test_mode_mail = $string === 'true'? true: false;
EDIT: the above code is intended for clarity of understanding. In actual use the following code may be more appropriate:
$test_mode_mail = ($string === 'true');
or mayb...
How to get current working directory in Java?
...ardless where the .class or .jar file the .class file is in.
public class Test
{
public static void main(final String[] args)
{
final String dir = System.getProperty("user.dir");
System.out.println("current dir = " + dir);
}
}
if you are in /User/me/ and your .jar fi...