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Best way to test for a variable's existence in PHP; isset() is clearly broken
...dited Apr 24 '14 at 22:11
Mark Amery
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answered Jan 6 '09 at 21:07
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Android: ScrollView force to bottom
I would like a ScrollView to start all the way at the bottom. Any methods?
16 Answers
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UIView Hide/Show with animation
...iOS 4 and later, there's a way to do this just using the UIView transition method without needing to import QuartzCore. You can just say:
Objective C
[UIView transitionWithView:button
duration:0.4
options:UIViewAnimationOptionTransitionCrossDissolve
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Add new value to an existing array in JavaScript [duplicate]
In PHP, I'd do something like:
8 Answers
8
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Check if multiple strings exist in another string
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a_string = "A string is more than its parts!"
matches = ["more", "wholesome", "milk"]
if any(x in a_string for x in matches):
Similarly to check if all the strings from the list are found, use all instead of any.
share
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Modify table: How to change 'Allow Nulls' attribute from not null to allow null
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Note there are some cases where this might not work - see this DBA Stack Exchange answer if you're getting an ALTER TABLE ALTER COLUMN failed because one or more objects access this column.
– Jarrod Dixon♦
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Why does Decimal.Divide(int, int) work, but not (int / int)?
How come dividing two 32 bit int numbers as ( int / int ) returns to me 0 , but if I use Decimal.Divide() I get the correct answer? I'm by no means a c# guy.
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Set select option 'selected', by value
I have a select field with some options in it. Now I need to select one of those options with jQuery. But how can I do that when I only know the value of the option that must be selected?
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AWK: Access captured group from line pattern
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That was a stroll down memory lane...
I replaced awk by perl a long time ago.
Apparently the AWK regular expression engine does not capture its groups.
you might consider using something like :
perl -n -e'/test(\d+)/ && print $1'
the ...
I'm getting Key error in python
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A KeyError generally means the key doesn't exist. So, are you sure the path key exists?
From the official python docs:
exception KeyError
Raised when a mapping (dictionary) key is not found in the set of
existing keys.
For example:
>...