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A KeyValuePair in Java [duplicate]
...noted that in most cases java.util.Map.Entry<K, V> should be used in order to program to interfaces. So you should be using List<Map.Entry<K, V>>, for example, for the same reason you wouldn't use ArrayList<AbstractMap.SimpleEntry<K,V>> in the consuming code. The code t...
Rails: How to reference images in CSS within Rails 4
...uess all assets in the asset paths (vendor/assets, app/assets, lib/assets, etc) get combined into a single assets folder after prepossessing is complete?
– ohhh
Nov 10 '17 at 10:38
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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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Multiline syntax for piping a heredoc; is this portable?
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This is pretty sweet when using sudo tee /etc/securefile.conf <<EOF.
– dragon788
Jul 19 '17 at 23:18
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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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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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Should JAVA_HOME point to JDK or JRE?
... developer, you should point your JAVA_HOME at jdk to access javac copiler etc. It's good if you can test your program to run on the JRE though. If you are using an app server you often also need the JDK instead of the JRE but that depends on the particular server.
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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...
Why does += behave unexpectedly on lists?
... operands and makes a new list containing those elements maintaining their order.
+= operator calls __iadd__ method on the list. It takes an iterable and appends all the elements of the iterable to the list in place. It does not create a new list object.
In class foo the statement self.bar +=...