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Chaining multiple filter() in Django, is this a bug?
...aken from the official Django documents, as referenced. I might not be the best explainer and I pardon for that. Example 1 is a direct AND as you would expect in a normal SQL writing. Example 1 gives something like this: 'SELECT blog JOIN entry WHERE entry.head_line LIKE "Lennon" AND entry.year ==...
How to click first link in list of items after upgrading to Capybara 2.0?
...
You can just use:
first('.item').click_link('Agree')
or
first('.item > a').click
(if your default selector is :css)
Code in your question doesn't work as:
within ".item" do
first(:link, "Agree").click
end
is equivalent to:
find('.item...
When to use a linked list over an array/array list?
... where time predictability is absolutely critical)
you don't know how many items will be in the list. With arrays, you may need to re-declare and copy memory if the array grows too big
you don't need random access to any elements
you want to be able to insert items in the middle of the list (such a...
SQL Server insert if not exists best practice
... I definitely believe this is the right way to go, giving SQL Server the best possible hints for optimizing, in contrast to the sub query approach.
– Mads Nielsen
Mar 3 '16 at 20:48
...
How do I horizontally center an absolute positioned element inside a 100% width div? [duplicate]
...
In my experience, the best way is right:0;, left:0; and margin:0 auto. This way if the div is wide then you aren't hindered by the left: 50%; that will offset your div which results in adding negative margins etc.
DEMO http://jsfiddle.net/kevinPH...
How to center align the cells of a UICollectionView?
.... However, I'd like to be enable horizontal scrolling. The grid supports 8 items per page and when the total number of items are, say 4, this is how the items should be arranged with horizontal scroll direction enabled:
...
In Python, how do I convert all of the items in a list to floats?
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float(item) do the right thing: it converts its argument to float and and return it, but it doesn't change argument in-place. A simple fix for your code is:
new_list = []
for item in list:
new_list.append(float(item))
The sa...
Database Design for Tagging
... database limits you to a specific number of bits. This does not mean each item is limited to a certain number of tags, but that there can only be a certain number of unique tags in the whole system (usually up to 32 or 64).
– Mark Renouf
Jun 29 '09 at 21:02
...
remove_if equivalent for std::map
...name ContainerT, typename PredicateT >
void erase_if( ContainerT& items, const PredicateT& predicate ) {
for( auto it = items.begin(); it != items.end(); ) {
if( predicate(*it) ) it = items.erase(it);
else ++it;
}
}
}
This won't return anything, but it will remov...
How Do I Fetch All Old Items on an RSS Feed?
...eplies here mentioned, a feed may not provide archival data but historical items may be available from another source.
Archive.org’s Wayback Machine has an API to access historical content, including RSS feeds (if their bots have downloaded it). I’ve created the web tool Backfeed that uses this...