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How do I merge a list of dicts into a single dict?
...dict(i.items()[0] for i in L)
{'a': 1, 'c': 1, 'b': 2, 'd': 2}
Note: the order of 'b' and 'c' doesn't match your output because dicts are unordered
if the dicts can have more than one key/value
>>> dict(j for i in L for j in i.items())
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UIRefreshControl on UICollectionView only works if the collection fills the height of the container
...Juan, you probably have already found the answer to your question. But, in order to return the refresh control to its normal state following a refresh, you must call [refreshControl endRefreshing].
– Merott
Jul 29 '13 at 23:40
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Working with select using AngularJS's ng-options
...t; element. In that case you can perform certain string concatenations, in order to have more complex option labels.
Examples:
ng-options="item.ID as item.Title + ' - ' + item.ID for item in items" gives you labels like Title - ID
ng-options="item.ID as item.Title + ' (' + item.Title.length + ')'...
Replacing H1 text with a logo image: best method for SEO and accessibility?
...lt;a> and using z-index to place it above the link text in the stacking order.
The price is one empty <span>, but I'm willing to have it there for something as important as an <h1>.
<h1 id="logo">
<a href="">Stack Overflow<span></span></a>
</h1&g...
Efficiently updating database using SQLAlchemy ORM
...t at times doing a large query and then iterating in python can be up to 2 orders of magnitude faster than lots of queries. I assume that iterating over the query object is less efficient than iterating over a list generated by the all() method of the query object.
[Please note comment below - thi...
Java: Equivalent of Python's range(int, int)?
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You can use the following code snippet in order to get a range set of integers:
Set<Integer> iset = IntStream.rangeClosed(1, 5).boxed().collect
(Collectors.toSet());
s...
Can someone explain how to implement the jQuery File Upload plugin?
...this gem. The source is here --> jQueryFileUpload Rails.
Update:
In order to satisfy the commenter I've updated my answer. Essentially "use this gem, here is the source code" If it disappears then do it the long way.
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Save PL/pgSQL output from PostgreSQL to a CSV file
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and \o in order to print console again
– metdos
Aug 6 '12 at 14:57
2
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Starting the week on Monday with isoWeekday()
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How do I remove a project configuration in Visual Studio 2008?
...ad carefully (especially the part for each project). Maybe the word choice/order in my answer is not properly optimized for best comprehensibility, but that does not change whether this works or not.
– Timbo
Oct 11 '14 at 18:07
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