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Using @property versus getters and setters
...re
whether the attribute is read-only or read-write. Properties fail this test
if the attribute writable.
There is no need for the user to define an extra variable underlying the function, so we don't need the __init__ or setattr in the code. The variable just exists by the fact we've created this...
Downloading Java JDK on Linux via wget is shown license page instead
....
Here are some guides for command line lovers.
For Debian like systems (tested on Debian squeeze and Ubuntu 12.x+)
su -
echo "deb http://ppa.launchpad.net/webupd8team/java/ubuntu precise main" | tee -a /etc/apt/sources.list
echo "deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu precise m...
How do I print the elements of a C++ vector in GDB?
...3, capacity 4 = {10, 20, 30}
To achieve above, you need to have gdb 7 (I tested it on gdb 7.01) and some python pretty-printer. Installation process of these is described on gdb wiki.
What is more, after installing above, this works well with Eclipse C++ debugger GUI (and any other IDE using GDB,...
Getting the docstring from a function
...his technique works with builtin functions as well as modules and classes (test help() with objects too - might also work). This makes your python shell an interactive help shell!
– Daren Thomas
Apr 3 '09 at 9:24
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How to pull a random record using Django's ORM?
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I haven't tested it, so this is pure speculation: why should it be slower than retrieving all items and performing randomization in Python?
– muhuk
Jun 8 '09 at 16:24
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Select all text inside EditText when it gets focus
...accepted answer above: try this one instead. Confirmed to be working (also tested for Fragments).
– MrHadiSatrio
Jul 31 '15 at 10:10
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Unresolved reference issue in PyCharm
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After testing all workarounds, i suggest you to take a look at Settings -> Project -> project dependencies and re-arrange them.
share
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How to read/process command line arguments?
...ply using gmail-trash-msg.py MessageID. This answer is straight forward to test MessageID parameter has been passed in sys.argv[1].
– WinEunuuchs2Unix
May 22 '19 at 23:27
add ...
How to iterate for loop in reverse order in swift?
...void creating a large array, use lazy along with reverse(). The following test runs efficiently in a Playground showing it is not creating an array with one trillion Ints!
Test:
var count = 0
for i in lazy(1...1_000_000_000_000).reverse() {
if ++count > 5 {
break
}
println(...
Interface defining a constructor signature?
...>
{
// This will not compile
public Foo(int x)
{
}
#region ITest<Test> Members
public void SomeMethod()
{
throw new NotImplementedException();
}
#endregion
}
On the other hand, if you want to test if a type has a paramerterless constructor, you can do that using ...