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SQL Server dynamic PIVOT query?
... to sort the @cols then you could remove the DISTINCT and use GROUP BY and ORDER BY when you get the list of @cols.
– Taryn♦
Nov 29 '16 at 21:40
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What is the difference between i++ and ++i?
...prefix (++var) and postfix (var++) versions of ++ do things in a different order with respect to other operations.
It is unsurprising that you'll see a lot of wrong answers to this question. A great many "teach yourself C#" books also get it wrong. Also, the way C# does it is different than how C do...
How to define a List bean in Spring?
...ing will automatically inject them into this list. If you need to preserve order (upper solution doesn't do that) you can do it in that way:
@Configuration
public class MyConfiguration {
@Autowired
private Stage1 stage1;
@Autowired
private Stage2 stage2;
@Bean
public List<Stage>...
Iterate over a Javascript associative array in sorted order
...nary-like object should I use if I want to iterate over the keys in sorted order?" then you might develop an object like this:
var a = {
keys : new Array(),
hash : new Object(),
set : function(key, value) {
if (typeof(this.hash[key]) == "undefined") { this.keys.push(key); }
this.hash[...
Converting Dictionary to List? [duplicate]
I'm trying to convert a Python dictionary into a Python list, in order to perform some calculations.
7 Answers
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Iterating through a list in reverse order in java
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Of course, you may also want to refactor your code such that the list is ordered correctly so you don't have to reverse it, which uses extra space/time.
EDIT:
Option 2: Alternatively, could you use a Deque instead of an ArrayList? It will allow you to iterate forwards and backwards
EDIT:
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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, ...
MySQL - Using COUNT(*) in the WHERE clause
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try this;
select gid
from `gd`
group by gid
having count(*) > 10
order by lastupdated desc
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ROW_NUMBER() in MySQL
...ent. You might get the results you expect, but this is not guaranteed. The order of evaluation for expressions involving user variables is undefined and may change based on the elements contained within a given statement."
– Roland Bouman
Jan 11 '10 at 13:51
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Iterating Through a Dictionary in Swift
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Dictionaries in Swift (and other languages) are not ordered. When you iterate through the dictionary, there's no guarentee that the order will match the initialization order. In this example, Swift processes the "Square" key before the others. You can see this by adding a prin...