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How do you create a Swift Date object?
...her date-times, you can use one of the following methods.
Method 1
If you know the number of seconds before or after the 2001 reference date, you can use that.
let someDateTime = Date(timeIntervalSinceReferenceDate: -123456789.0) // Feb 2, 1997, 10:26 AM
Method 2
Of course, it would be easier to us...
Xcode 6 beta 2 issue exporting .ipa: “Your account already has a valid iOS distribution certificate”
... is gone. Apple has changed the way of Ad Hoc distribution for developers. Now you can't make Ad Hoc distribution builds using Development Certificate. You need a Distribution Certificate with "Ad Hoc" provisioning profile (not Development Provisioning profile) to make Ad Hoc builds. It's a real pai...
how to remove css property using javascript?
...erty of an element using JavaScript ?
e.g. I have div.style.zoom = 1.2 ,
now i want to remove the zoom property through JavaScript ?
...
Selecting multiple columns in a pandas dataframe
I have data in different columns but I don't know how to extract it to save it in another variable.
18 Answers
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Why does the expression 0 < 0 == 0 return False in Python?
...es check if 0 < 0 which obviously returns False onto the python stack.
Now notice line 11: JUMP_IF_FALSE_OR_POP 23
This means that if 0 < 0 returns False perform a jump to line 23.
Now, 0 < 0 is False, so the jump is taken, which leaves the stack with a False which is the return value for...
Signed to unsigned conversion in C - is it always safe?
...implementation-defined or an implementation-defined signal is raised.
Now we need to refer to (2) above. Your i will be converted to an unsigned value by adding UINT_MAX + 1. So the result will depend on how UINT_MAX is defined on your implementation. It will be large, but it will not overflow,...
How to see the changes between two commits without commits in-between?
...
That worked for me, but now, How can I apply my.patch to other branch?
– nacho4d
Jun 2 '11 at 2:53
2
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How do I ignore files in a directory in Git?
...he .gitignore file. When one of the two mentioned git commands is executed now, the directory will be (unexpectedly) lost.
mkdir test
cd test
git init
echo "/localdata/*" >.gitignore
git add .gitignore
git commit -m "Add .gitignore."
mkdir localdata
echo "Important data" >localdata/important...
Hidden features of C
I know there is a standard behind all C compiler implementations, so there should be no hidden features. Despite that, I am sure all C developers have hidden/secret tricks they use all the time.
...
How do I do a not equal in Django queryset filtering?
...django.db.models.fields import Field
Field.register_lookup(NotEqual)
And now you can use the __ne lookup in your queries like this:
results = Model.objects.exclude(a=True, x__ne=5)
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