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What is Domain Driven Design (DDD)? [closed]
...objects that don't make sense unless they have an owner. For example, an 'Order Line' object doesn't make sense without an 'Order' to belong to, so we say that the Order is the aggregate root, and Order Line objects can only be manipulated via methods in the Order object
DDD also recommends sever...
Solving a “communications link failure” with JDBC and MySQL [duplicate]
...revents any external access by default. These steps are always required in order to access MySQL from any remote machine.
– Luis Crespo
May 7 '18 at 14:26
add a comment
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How to sort a Ruby Hash by number value?
... number was returning as a string, that fixed it.. I had a2 and a1 in that order because I wanted the results to sort decending.. thanks for your feedback though.
– Dustin M.
Mar 29 '10 at 22:18
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MySQL indexes - what are the best practices?
...tant to understand what's going on.
Broadly speaking, an index imposes an ordering on the rows of a table.
For simplicity's sake, imagine a table is just a big CSV file. Whenever a row is inserted, it's inserted at the end. So the "natural" ordering of the table is just the order in which rows...
HashSet vs LinkedHashSet
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HashSet is unordered and unsorted Set.
LinkedHashSet is the ordered version of HashSet.
The only difference between HashSet and LinkedHashSet is that:
LinkedHashSet maintains the insertion order.
When we iterate through a HashSet, t...
Are there best practices for (Java) package organization? [closed]
...like:
beans
factories
collections
are wrong.
I prefer, for example:
orders
store
reports
so I can hide implementation details through package visibility. Factory of orders should be in the orders package so details about how to create an order are hidden.
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SQL Server SELECT INTO @variable?
..., the above query assumes you've selected a single row. You could also use ordering and aggregate functions if you want more fancy logic.
– dougajmcdonald
Mar 21 '17 at 8:16
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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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Convert integer into byte array (Java)
... look at the ByteBuffer class.
ByteBuffer b = ByteBuffer.allocate(4);
//b.order(ByteOrder.BIG_ENDIAN); // optional, the initial order of a byte buffer is always BIG_ENDIAN.
b.putInt(0xAABBCCDD);
byte[] result = b.array();
Setting the byte order ensures that result[0] == 0xAA, result[1] == 0xBB, ...
How to create a SQL Server function to “join” multiple rows from a subquery into a single delimited
... @lukasLansky its reliable as long as you dont care about the order
– codeulike
Apr 28 '15 at 21:19
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