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Java : Comparable vs Comparator [duplicate]
...ts Comparable, the compareTo method of the class is defining the "natural" ordering of that object. That method is contractually obligated (though not demanded) to be in line with other methods on that object, such as a 0 should always be returned for objects when the .equals() comparisons return t...
SQLAlchemy versioning cares about class import order
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How to implement a queue using two stacks?
...he bottle and hold it upside down so that all the values should reverse in order ?
Yes we can do that, but that's a bottle. To do the same process, we need to have a second stack that which is going to store the first stack elements in reverse order. Let's put our populated stack to the left and ...
Best way to randomize an array with .NET
...and I'd like to create a new Array with the same strings but in a random order.
17 Answers
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NOT using repository pattern, use the ORM as is (EF)
... I have to write. I might as well write stored procedures. I don't want GetOrder, GetOrderWithOrderItem, GetOrderWithOrderItemWithOrderActivity, GetOrderByUserId, and so on... I just want to get the main entity and traverse and include the object graph as I so please.
Most examples of repositories ...
libpthread.so.0: error adding symbols: DSO missing from command line
... \
-lrt -lm -lpthread
Explanation: the linking is dependent on the order of modules. Symbols are first requested, and then linked in from a library that has them. So you have to specify modules that use libraries first, and libraries after them. Like this:
gcc x.o y.o z.o -la -lb -lc
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How to add multiple font files for the same font?
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The order is important, the bold/italic style must come last.
– The Who
Jun 11 '10 at 12:40
8
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Build an ASCII chart of the most commonly used words in a given text [closed]
...ray of words
(1@ #takes the first word in the array, pushes a 1, reorders stack
#the 1 is the current number of occurrences of the first word
{ #loop through the array
.3$>1{;)}if#increment the count or push the next word and a 1
}/
]2/ #gather stack into an...
Rails raw SQL example
...te the results:
Client.find_by_sql("
SELECT * FROM clients
INNER JOIN orders ON clients.id = orders.client_id
ORDER BY clients.created_at desc
")
# => [<Client id: 1, first_name: "Lucas" >, <Client id: 2, first_name: "Jan">...]
Model.connection.select_all('sql').to_hash
I...
Which data type for latitude and longitude?
...ongitude and latitude, same as in GPS. More about it: http://epsg.io/4326
Order is Longitude, Latitude - so if you plot it as the map, it is (x, y).
To find closest point you need first to create spatial index:
create index on your_table using gist (geog);
and then request, say, 5 closest to a ...