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What is the most appropriate way to store user settings in Android application
...o there's some security there, but physical access to a phone could potentially allow access to the values.
If possible I'd consider modifying the server to use a negotiated token for providing access, something like OAuth. Alternatively you may need to construct some sort of cryptographic store, t...
Why does the is operator return false when given null?
...yping extra code:
Instead of having to say
if (X != null && X is Foo) {}
I can just say
if (X is Foo) {}
and be done with it.
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String is immutable. What exactly is the meaning? [duplicate]
...be updated from outside without accessing them via methods), for example:
Foo x = new Foo("the field");
x.setField("a new field");
System.out.println(x.getField()); // prints "a new field"
While in an immutable class (declared as final, to prevent modification via inheritance)(its methods cannot ...
Qt: How do I handle the event of the user pressing the 'X' (close) button?
...our class definition and add your code into that function. Example:
class foo : public QMainWindow
{
Q_OBJECT
private:
void closeEvent(QCloseEvent *bar);
// ...
};
void foo::closeEvent(QCloseEvent *bar)
{
// Do something
bar->accept();
}
...
Get current stack trace in Ruby without raising an exception
...
You can use Kernel#caller:
# /tmp/caller.rb
def foo
puts caller # Kernel#caller returns an array of strings
end
def bar
foo
end
def baz
bar
end
baz
Output:
caller.rb:8:in `bar'
caller.rb:12:in `baz'
caller.rb:15:in `<main>'
...
Releasing memory in Python
...
Memory allocated on the heap can be subject to high-water marks. This is complicated by Python's internal optimizations for allocating small objects (PyObject_Malloc) in 4 KiB pools, classed for allocation sizes at multiples of 8 by...
Quick way to list all files in Amazon S3 bucket?
...s of filenames in it. What's the easiest way to get a text file that lists all the filenames in the bucket?
27 Answers
...
Git diff says subproject is dirty
I have just run a git diff, and I am getting the following output for all of my approx 10 submodules
9 Answers
...
Get path from open file in Python
...
If you create a file using open('foo.txt', 'w') and then do f.name, it only provides you with the output foo.txt
– searchengine27
Jun 16 '15 at 17:04
...
Python - Passing a function into another function
...ents to be passed to `func`.
Example
-------
>>> def foo(a:Union[float, int], b:Union[float, int]):
... '''The function to pass'''
... print(a+b)
>>> looper(foo, 3, 2, b=4)
6
6
6
"""
for i in range(n):
fn(*args, **kw...