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Python try-else
...block, so you should alway consider using this variant if you don't expect more exceptions in the else-block
– WorldSEnder
Aug 6 '14 at 11:56
3
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Merging without whitespace conflicts
...
git merge -Xignore-all-space
Or (more precise)
git merge -Xignore-space-change
should be enough to ignore all space related conflicts during the merge.
See git diff:
--ignore-space-change
Ignore changes in amount of whitespace.
This ignores whit...
Picking a random element from a set
...andom().nextInt(size); // In real life, the Random object should be rather more shared than this
int i = 0;
for(Object obj : myhashSet)
{
if (i == item)
return obj;
i++;
}
share
|
i...
Is there a way to get a collection of all the Models in your Rails app?
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403
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Commenting in a Bash script inside a multiline command
... Thanks for the explanation. I've opened a question on unix.sx asking for more details, bash multi line command with comments after the continuation character.
– Faheem Mitha
Aug 21 '11 at 15:18
...
Is Chrome's JavaScript console lazy about evaluating arrays?
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22
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How to sort an array by a date property
...ve, positive, or zero.
return new Date(b.date) - new Date(a.date);
});
More Generic Answer
array.sort(function(o1,o2){
if (sort_o1_before_o2) return -1;
else if(sort_o1_after_o2) return 1;
else return 0;
});
Or more tersely:
array.sort(function(o1,o2){
retur...
Scala: Abstract types vs generics
...orm of object-oriented abstraction. So in a sense you could say Scala is a more orthogonal and complete language.
Why?
What, in particular, abstract types buy you is a nice treatment for these covariance problems we talked about before.
One standard problem, which has been around for a long time, ...
App Inventor 2 中的响应式设计 · App Inventor 2 中文网
...erent screen sizes and resolutions. This gives good results, but it makes more work for developers. App Inventor uses a simpler approach, but that approach is more limited in terms of the kinds of apps it can handle.
1. Specifying sizes as percentages
There’s one important rule when using App I...