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Database Structure for Tree Data Structure
...answered Jun 1 '09 at 15:02
JeremyDWillJeremyDWill
2,9541919 silver badges1818 bronze badges
...
Python decorators in classes
...perties by decorating, without having to find the calling function.
class myclass(object):
def __init__(self):
self.property = "HELLO"
@adecorator(property="GOODBYE")
def method(self):
print self.property
Here is the decorator code
class adecorator (object):
def ...
Nested JSON objects - do I have to use arrays for everything?
...sted objects in JSON so I don't have to make arrays out of everything? For my object to be parsed without error I seem to need a structure like this:
...
Capture keyboardinterrupt in Python without try-except
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I tried the suggested solutions by everyone, but I had to improvise code myself to actually make it work. Following is my improvised code:
import signal
import sys
import time
def signal_handler(signal, frame):
print('You pressed Ctrl+C!')
print(signal) # Value is 2 for CTRL + C
prin...
How to close a Java Swing application from the code
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In my case I discovered with the debugger that I had a Swingworker still active. I called its cancel(true) method in the WindowClose Eventlistener and the program terminates now. Thanks!
– Hans-Peter Störr...
Get all unique values in a JavaScript array (remove duplicates)
...stIndexOf.
With ES6 it could be shorten to this:
// usage example:
var myArray = ['a', 1, 'a', 2, '1'];
var unique = myArray.filter((v, i, a) => a.indexOf(v) === i);
console.log(unique); // unique is ['a', 1, 2, '1']
Thanks to Camilo Martin for hint in comment.
ES6 has a native object ...
Rails migration for has_and_belongs_to_many join table
... Well, it doesn't have to have the timestamps; I marked it optional in my example. I would recommend adding the id, though. There are cases where either the ID or the timestamp can be useful. But I strongly recommend the ID.
– docwhat
Dec 8 '10 at 2:07
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Can you build dynamic libraries for iOS and load them at runtime?
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I'm not really disagreeing with DarkDust's answer, but if I may channel my inner Bill Clinton, it depends on what the meaning of supported is :)
Apple doesn't want you doing this for App Store apps, but the operating system certainly allows it. Jailbreak apps use this technique all the time. Y...
Update an outdated branch against master in a Git repo
... rebase approach, which gives cleaner overall results to later readers, in my opinion, but that is nothing aside from personal taste.
To rebase and keep the branch you would:
git checkout <branch> && git rebase <target>
In your case, check out the old branch, then
git rebas...
Is quoting the value of url() really necessary?
Which of the following should I use in my stylesheets?
7 Answers
7
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