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How to create a MySQL hierarchical recursive query
... parent_id
from products
where parent_id = 19
union all
select p.id,
p.name,
p.parent_id
from products p
inner join cte
on p.parent_id = cte.id
)
select * from cte;
The value specified in parent_id = 19 should be set to the...
How can I disable the UITableView selection?
...
For me, the following worked fine:
tableView.allowsSelection = false
This means didSelectRowAt# simply won't work. That is to say, touching a row of the table, as such, will do absolutely nothing. (And hence, obviously, there will never be a selected-animation.)
(Not...
unique object identifier in javascript
...niqueId());
Take care to make sure that whatever member you use to internally store the unique ID doesn't collide with another automatically created member name.
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Git error on commit after merge - fatal: cannot do a partial commit during a merge
...t adding "-i" to the commit command fixes this problem for me. The -i basically tells it to stage additional files before committing.
That is:
git commit -i myfile.php
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Using jquery to get element's position relative to viewport
...
Look into the Dimensions plugin, specifically scrollTop()/scrollLeft(). Information can be found at http://api.jquery.com/scrollTop.
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Are std::vector elements guaranteed to be contiguous?
...e in the middle take linear time. Storage
management is handled automatically, though hints can be given to improve efficiency. The elements of a
vector are stored contiguously, meaning that if v is a vector where T is some type other
than bool, then it obeys the identity &v[n] == &v[0...
resize ipython notebook output window
By default the ipython notebook ouput is limited to a small sub window at the bottom. This makes us force to use separate scroll bar that comes with the output window, when the output is big.
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Add st, nd, rd and th (ordinal) suffix to a number
I would like to dynamically generate a string of text based on a current day. So, for example, if it is day 1 then I would like my code to generate = "Its the 1* st *".
...
What XML parser should I use in C++? [closed]
... process XML. Not toy XML, real XML. You need to be able to read and write all of the XML specification, not just the low-lying, easy-to-parse bits. You need Namespaces, DocTypes, entity substitution, the works. The W3C XML Specification, in its entirety.
The next question is: Does your API need to ...
Left Align Cells in UICollectionView
...ep their size, add the following at the top of the closure in the forEach call:
guard layoutAttribute.representedElementCategory == .cell else {
return
}
Objective-C:
- (NSArray *)layoutAttributesForElementsInRect:(CGRect)rect {
NSArray *attributes = [super layoutAttributesForElementsI...