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What do you call the -> operator in Ruby?
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@rdurand Did you make the edit with summary "Stabby lambdas cannot accept arguments in Ruby 1.9"? This is not accurate, at least for 1.9.3 - args are allowed.
– Kelvin
Mar 15 '17 at 22:27
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Return number of rows affected by UPDATE statements
...ards is excellent for.
EXAMPLE
CREATE TABLE [dbo].[test_table](
[LockId] [int] IDENTITY(1,1) NOT NULL,
[StartTime] [datetime] NULL,
[EndTime] [datetime] NULL,
PRIMARY KEY CLUSTERED
(
[LockId] ASC
) ON [PRIMARY]
) ON [PRIMARY]
INSERT INTO test_table(StartTime, EndTime)
VALUES('200...
location.host vs location.hostname and cross-browser compatibility?
... According to en.wikipedia.org/wiki/…, the port should not be consider a part of the host (but it is a part of the authority).
– Alec
Mar 14 '19 at 20:52
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What is the difference between “expose” and “publish” in Docker?
...XPOSE nor -p, the service in the container will only be accessible from inside the container itself.
2) If you EXPOSE a port, the service in the container is not accessible from outside Docker, but from inside other Docker containers. So this is good for inter-container communication.
3) If you EX...
How to define @Value as optional
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According to intelliJ idea. It's not a best practice to use Optional types in class fields.
– Fırat KÜÇÜK
Aug 30 '18 at 12:31
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Activity transition in Android
How can I define the transition between two activities for Android 1.5 and later?
I would like an activity to fade in.
14 ...
What does a lazy val do?
I noticed that Scala provide lazy vals . But I don't get what they do.
7 Answers
7
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entity object cannot be referenced by multiple instances of IEntityChangeTracker. while adding relat
... references with City. But everytime I try to save my contact, which is validated I get the exception "ADO.Net Entity Framework An entity object cannot be referenced by multiple instances of IEntityChangeTracker"
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What does -XX:MaxPermSize do?
... many classes (this is typically the case for application servers and some IDE like Eclipse) :
The permanent generation does not have a noticeable impact on garbage
collector performance for most applications. However, some
applications dynamically generate and load many classes; for example...
Get TransactionScope to work with async / await
...ndentTransaction created by Transaction.DependentClone() method:
static void Main(string[] args)
{
// ...
for (int i = 0; i < 10; i++)
{
var dtx = Transaction.Current.DependentClone(
DependentCloneOption.BlockCommitUntilComplete);
tasks[i] = TestStuff(dtx);
}
//...
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