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How to sort a HashSet?
For lists, we use the Collections.sort(List) method. What if we want to sort a HashSet ?
19 Answers
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RabbitMQ / AMQP: single queue, multiple consumers for same message?
...his called in AMQP/RabbitMQ speak? How is it normally configured?
No, not if the consumers are on the same queue. From RabbitMQ's AMQP Concepts guide:
it is important to understand that, in AMQP 0-9-1, messages are load balanced between consumers.
This seems to imply that round-robin behavior...
Change the name of a key in dictionary
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dictionary[new_key] = dictionary.pop(old_key)
which will raise KeyError if dictionary[old_key] is undefined. Note that this will delete dictionary[old_key].
>>> dictionary = { 1: 'one', 2:'two', 3:'three' }
>>> dictionary['ONE'] = dictionary.pop(1)
>>> dictionary
{2: '...
Selecting an element in iFrame jQuery
...n our application, we parse a web page and load it into another page in an iFrame. All the elements in that loaded page have their tokenid-s. I need to select the elements by those tokenid-s. Means - I click on an element on the main page and select corresponding element in the page in the iFrame. W...
Sorting rows in a data table
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Just like @Sai, you can modify the DataTable.DefaultView.Sort directly. No need to "break out" the view and recreate a table.
– Jonny
Oct 20 '16 at 11:16
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How to hide underbar in EditText
How can I hide the EditText underbar (the prompt line with little serifs at the ends)?
25 Answers
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pinpointing “conditional jump or move depends on uninitialized value(s)” valgrind message
...s. This will make it slower and take more memory, but can be very helpful if you need to track down the origin of an uninitialized value.
Update: Regarding the point at which the uninitialized value is reported, the valgrind manual states:
It is important to understand that your program can co...
Font Awesome not working, icons showing as squares
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According to the documentation (step 3), you need to modify the supplied CSS file to point to the font location on your site.
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Git search for string in a single file's history
So if I have a file called foo.rb and it is giving me an error for a missing method called bar , so I want to search the history of foo.rb for the string bar to see if it was ever defined in the past.
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Inherit from a generic base class, apply a constraint, and implement an interface in C#
...ameters. I also want the derived class to implement an interface. For the life of me, I cannot seem to figure out the correct syntax.
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