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Why is the parent div height zero when it has floated children
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3 Answers
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rails 3 validation on uniqueness on multiple attributes
I use Rails 3.0.0.beta4
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3
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SQLite - increase value by a certain number
...row):
UPDATE Products SET Price = Price + 50 WHERE ProductID = 1
Sample 3 (generic):
UPDATE {Table} SET {Column} = {Column} + {Value} WHERE {Condition}
Where:
{Table} - table name
{Column} - column name
{Value} - a number by which column's value should be increased or decreased
{Condition} -...
Difference between UIViewContentModeScaleAspectFit and UIViewContentModeScaleToFill?
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How do you create nested dict in Python?
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313
A nested dict is a dictionary within a dictionary. A very simple thing.
>>> d = {}
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How can I check if character in a string is a letter? (Python)
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You can use str.isalpha().
For example:
s = 'a123b'
for char in s:
print(char, char.isalpha())
Output:
a True
1 False
2 False
3 False
b True
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How do I find out which settings.xml file maven is using
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223
Use the Maven debug option, ie mvn -X :
Apache Maven 3.0.3 (r1075438; 2011-02-28 18:31:09+0100)...
Rebuild IntelliJ project indexes
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263
File -> Invalidate caches...
(Force rebuild of all caches and indices on next startup)
Restar...