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How to check if PHP array is associative or sequential?
...structures/array-in-programming I'm not sure is the key must be ascending order? (0, 1, ...)
– vee
May 21 '19 at 16:42
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How to make overlay control above all other controls?
...vas.Top="200" Canvas.Left="200" Fill="green"/>
<!-- Reverse the order to illustrate z-index property -->
<Rectangle Canvas.ZIndex="1" Width="100" Height="100" Canvas.Top="300" Canvas.Left="200" Fill="green"/>
<Rectangle Canvas.ZIndex="3" Width="100" Height="100" Canva...
Check if two unordered lists are equal [duplicate]
I'm looking for an easy (and quick) way to determine if two unordered lists contain the same elements:
8 Answers
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In MySQL queries, why use join instead of where?
...x queries can benefit from using ANSI-92 syntax:
Ability to control JOIN order - the order which tables are scanned
Ability to apply filter criteria on a table prior to joining
From a Maintenance Perspective:
There are numerous reasons to use ANSI-92 JOIN syntax over ANSI-89:
More readable...
What is an “unwrapped value” in Swift?
...e bang operator when the value is nil your application will crash.
And in order to use these variables at all in some sort or mathematical operation they must be unwrapped in order to do so.
For instance, in Swift only valid number data types of the same kind may be operated on each other. When yo...
nvarchar(max) vs NText
...name, column_name
FROM information_schema.columns where data_type = 'TEXT' order by table_name, column_name
SELECT concat('ALTER TABLE dbo.[', table_name, '] ALTER COLUMN [', column_name, '] NVARCHAR(MAX)'), table_name, column_name
FROM information_schema.columns where data_type = 'NTEXT' order by ...
How do you perform a left outer join using linq extension methods
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You need to remember to Order your joined table or the .FirstOrDefault() is going to get a random row from the multiple rows that might match the join criteria, whatever the database happens to find first.
– Chris Moschini
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What's the false operator in C# good for?
...hings will get weird).
Note that you must implement the & operator in order for that expression to compile, since it's used if mFalse.false() returns false.
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Get list from pandas DataFrame column headers
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Importantly, this preserves the column order.
– WindChimes
Jan 25 '16 at 13:07
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How to add external library in IntelliJ IDEA?
...have a smaller
screen like me, you may have to drag resize to the right in order to
see it)
From the dropdown of Add options, choose "Library". A "Choose
Libraries" dialog will appear.
Press "New Library..."
Choose a suitable title for the library
Press "Attach Classes..."
Choose the Jar from your l...