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Curious null-coalescing operator custom implicit conversion behaviour
... ?? B is implemented as A.HasValue ? A : B. In this case, there's a lot of casting too (following the regular casting for the ternary ?: operator). But if you ignore all that, then this makes sense based on how it's implemented:
A ?? B expands to A.HasValue ? A : B
A is our x ?? y. Expand to x...
Difference between “!==” and “==!” [closed]
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false because "a" is not equals to !" " !" " means cast to bool and negate that so " " is true and !" " is false.
– Zaffy
Sep 8 '12 at 13:07
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Any reason to clean up unused imports in Java, other than reducing clutter?
...hey don't get any warning about it until somewhere down the line there's a casting problem or invocation problem.
This is, by the way, not an unrealistic scenario. Every time you had Eclipse ask you which specific version of X you wanted to import, and you picked one from among many packages, is a ...
SQL Query to concatenate column values from multiple rows in Oracle
...9 dimension by (seq)
10 measures (descr,cast(null as varchar2(100)) as sentence)
11 ( sentence[any] order by seq desc
12 = descr[cv()] || ' ' || sentence[cv()+1]
13 )
14 )
15 where seq = 1
16 /
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Is quitting an application frowned upon?
...em.exit when the app is updated (otherwise I'll get serialization or class cast exceptions based on my code changes). I should mention though that I do not give the user a UI handle to kill the app via system.exit - it is reserved for me as the engineer of the app to be used only when the app absolu...
Comparing two byte arrays in .NET
...ner ! The previous solution was slightly more efficient since it saved the cast to IStructuralEquatable (an array is statically known to be IStructuralEquatable), but indeed your suggestions makes the method work for null arguments as well.
– Ohad Schneider
Mar...
Truncate (not round) decimal places in SQL Server
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SELECT Cast(Round(123.456,2,1) as decimal(18,2))
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Fixing “Lock wait timeout exceeded; try restarting transaction” for a 'stuck" Mysql table?
From a script I sent a query like this thousands of times to my local database:
13 Answers
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What's the difference between a temp table and table variable in SQL Server?
...0) DEFAULT REPLICATE(''B'',8000),
LOBFiller varchar(max) DEFAULT REPLICATE(cast(''C'' as varchar(max)),10000)
)
BEGIN TRAN InsertFirstRow
SAVE TRAN InsertFirstRow
COMMIT
INSERT INTO $(tablename)
DEFAULT VALUES
BEGIN TRAN Insert9Rows
SAVE TRAN Insert9Rows
COMMIT
INSERT INTO $(tablename) ([4CA99...
Why is UnhandledExceptionEventArgs.ExceptionObject an object and not an Exception?
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So casting it to Exception in C# will not be a problem? right?
– Mubashar
Nov 28 '13 at 0:34
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