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Should I always return IEnumerable instead of IList?
...euse out of a component as possible. On the other hand, since you already know exactly what kind of object you have handy, there's not much point in masking it.
– Mel
Oct 14 '11 at 17:12
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Configuring Log4j Loggers Programmatically
...s configured otherwise by setting the additivity flag).
If you need to know how logging works and how is decided where logs are written read this manual for more infos about that.
In Short:
Logger fizz = LoggerFactory.getLogger("com.fizz")
will give you a logger for the category "com.fizz".
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T-SQL Cast versus Convert
...ture at the bottom of the article i.msdn.microsoft.com/dynimg/IC170617.gif Now I think that maybe the precision loss can happen in implicit conversion and doesn't happen when either CAST or CONVERT is used. It's not quite clear...
– C-F
Mar 20 '14 at 21:06
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Is the NOLOCK (Sql Server hint) bad practice?
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Take a very well optimized query that you know is hitting proper indexes. Then add nolock hints and watch it get faster. If you don't care about dirty reads you will never hurt yourself using nolock.
– Hardwareguy
Apr 13 '11 at...
The multi-part identifier could not be bound
...use. In this case, any reference to a in the ON clause is invalid, a is unknown at that point. That is why you are getting the error message.
If I were you, I would probably try to rewrite this query, and one possible solution might be:
SELECT DISTINCT
a.maxa,
b.mahuyen,
a.tenxa,
b.tenhuye...
Creating an index on a table variable
...tax however SQL Server 2016 relaxes this a bit further. From CTP 3.1 it is now possible to declare filtered indexes for table variables. By RTM it may be the case that included columns are also allowed but the current position is that they "will likely not make it into SQL16 due to resource constrai...
Is Using .NET 4.0 Tuples in my C# Code a Poor Design Decision?
...produce types to which we wouldn't normally want to assign names. (Yes, I know that anonymous types with the same types and named properties are consolidated by the compiler).
My rule of thumb is: if you will return it from your public interface - make it a named type.
My other rule of thumb for ...
Does Java 8 provide a good way to repeat a value or function?
...ized, so the elements don't actually all exist in memory, and the size is known up front. This should make for a fast and easily parallelizable spliterator. But it surprisingly didn't do very well. Perhaps the reason is that range has to compute a value for each element of the range and then call a ...
Regular expression to get a string between two strings in Javascript
...ifier and
// trim the results if length of leading/trailing delimiters is known
var s = "My cow always gives milk, thier cow also gives milk";
console.log(s.match(/cow (.*?) milk/g).map(function(x) {return x.substr(4,x.length-9);}));
//or use RegExp#exec inside a loop to collect all the Group 1 cont...
Debug.Assert vs Exception Throwing
...get). Yes, assertions should usually be impossible to fire, but you don't know what's possible when things go out in the wild. What you thought of as impossible might happen in production, and a responsible program should detect violated assumptions and act promptly.
– kizzx2
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