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What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos
...ccommodate R, a new level is created.
Bottom-Left (BL) Algorithm
BL first order items by non-increasing width. BL packs the next item as near to the bottom as it will fit and then as close to the left as it can go without overlapping with any packed item. Note that BL is not a level-oriented packin...
Is there a better alternative than this to 'switch on type'?
...17 switching on types is supported - see Zachary Yates's answer below). In order to do this without a large if/else if/else statement, you'll need to work with a different structure. I wrote a blog post awhile back detailing how to build a TypeSwitch structure.
https://docs.microsoft.com/archive/bl...
Insert new column into table in sqlite?
...AULT {defaultValue}; More important: (thinking about why you would want to order the columns..) use in every record action (like insert or add) always the column names, this way, you will never get mistakes somewheere in your code after altering the table.
– michel.iamit
...
What does middleware and app.use actually mean in Expressjs?
...example?, how can you pass in so many functions into app.get(...) and what order are they called?
– Tanner Summers
Mar 27 '18 at 15:20
2
...
PHP best way to MD5 multi-dimensional array?
.../Optionally make a copy of the array (if you want to preserve the original order)
$original = $array;
array_multisort($array);
$hash = md5(json_encode($array));
Edit: There's been some question as to whether reversing the order would produce the same results. So, I've done that (correctly) here:
...
How to change the order of DataFrame columns?
... + cols[:-1]
In [13]: cols
Out[13]: ['mean', 0L, 1L, 2L, 3L, 4L]
Then reorder the dataframe like this:
In [16]: df = df[cols] # OR df = df.ix[:, cols]
In [17]: df
Out[17]:
mean 0 1 2 3 4
0 0.445543 0.445598 0.173835 0.343415 0.682252 ...
What is a deadlock?
...cks that can be aquired at the same time and they are grabbed in different order.
Ways to avoid having deadlocks are:
avoid having locks (if possible),
avoid having more than one lock
always take the locks in the same order.
...
Select SQL Server database size
... , RowNum = ROW_NUMBER() OVER (PARTITION BY s.database_name, s.[type] ORDER BY s.backup_finish_date DESC)
FROM msdb.dbo.backupset s
WHERE s.[type] IN ('D', 'L')
) f
WHERE f.RowNum = 1
GROUP BY f.database_name
) bu ON d.name = bu.database_name
ORDER BY t.total_size DE...
Why is using the rails default_scope often recommend against?
... of default_scope is when you want something to be sorted: default_scope { order(:name) }.
– user2985898
Aug 25 '16 at 9:33
...
How to get values from IGrouping
...
Isn't that the same as a normal "orderBy"? List<smth> newList = list .OrderBy(x => x.id).ToList();
– MorgoZ
Apr 22 '16 at 11:42
...