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Can someone explain this 'double negative' trick? [duplicate]
...e whether it's confusing or not. I personally find it highly intuitive to know what's "falsey" and what's "truthy" when cast to a Boolean.
– Chris
Jul 30 '13 at 3:15
...
Creating an array of objects in Java
....creates 4 A references, similar to doing this:
A a1;
A a2;
A a3;
A a4;
Now you couldn't do a1.someMethod() without allocating a1 like this:
a1 = new A();
Similarly, with the array you need to do this:
a[0] = new A();
...before using it.
...
AWS S3: how do I see how much disk space is using
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AWS Cloudwatch now has a metric for bucket size and number of objects that is updated daily. About time! aws.amazon.com/blogs/aws/…
– cudds
Jul 28 '15 at 23:13
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Why dict.get(key) instead of dict[key]?
...ents anywhere?
As mentioned here,
It seems that all three approaches now exhibit similar performance (within about 10% of each other), more or less independent of the properties of the list of words.
Earlier get was considerably slower, However now the speed is almost comparable along with t...
Can't get Gulp to run: cannot find module 'gulp-util'
...
So with a 150K views on this question alone, I'd love to know what the root cause of this is... This occurs quite frequently for me and I'm guessing I'm not the only one. This adds up to a lot of wasted time!
– cloakedninjas
Jul 7 '17 at 9:41
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Using HTML5/JavaScript to generate and save a file
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If you know the source url that you want to download this is the best solution!
– sidonaldson
Aug 16 '13 at 14:58
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How do I format a date in Jinja2?
Using Jinja2, how do I format a date field? I know in Python I can simply do this:
9 Answers
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Can you overload controller methods in ASP.NET MVC?
... @EAMann Nice, I was always defining the whole path for the view up until now
– Alexander Derck
Mar 23 '17 at 8:18
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ipython reads wrong python version
...'ll be /usr/local/bin/ipython. Let's look inside:
Edit 9/7/16 -- The file now looks like this:
cat /usr/local/bin/ipython
#!/usr/bin/python
# -*- coding: utf-8 -*-
import re
import sys
from IPython import start_ipython
if __name__ == '__main__':
sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?...
TreeMap sort by value
...);
sortedEntries.addAll(map.entrySet());
return sortedEntries;
}
Now you can do the following:
Map<String,Integer> map = new TreeMap<String,Integer>();
map.put("A", 3);
map.put("B", 2);
map.put("C", 1);
System.out.println(map);
// prints "{A=3, B=2,...