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Can we write our own iterator in Java?
...s at 0 and 1). The instance will have its owner counter of where it is and all you need to do is to play with hasNext(), which verifies if the current value is not null, and the next(), which will return the instance of your currentIndex. Below is an example of using this API...
public static void ...
nServiceBus vs Mass Transit vs Rhino Service Bus vs other?
...other alternative like ActiveMQ. MSMQ has the benefit of already being installed on all Windows machines, as opposed to Service Broker which isn't.
In terms of choosing between NServiceBus, Mass Transit, and Rhino Service Bus - this Stackoverflow answer comparing NServiceBus to MassTransit would be...
How to update SQLAlchemy row entry?
...SERIALIZABLE transaction isolation-level, but to my understanding it would allow performing the addition in Python using the in-place addition. If there is a race, one of the transactions will then succeed and the others will fail and must retry (with the new state of the DB). But I might've misunde...
What do I need to read to understand how git works? [closed]
...Magic explained how to get started
Git The Basics [pdf] explained - graphically, and in detail - what happens when I add, remove, merge, etc.
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app-release-unsigned.apk is not signed
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Should we set Debuggable to false when actually generating the release APK for prod? or will studio do that on its own?
– Ishaan Garg
Sep 16 '16 at 15:17
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How exactly to use Notification.Builder
...n.Builder(ctx);
builder.setContentIntent(contentIntent)
.setSmallIcon(R.drawable.some_img)
.setLargeIcon(BitmapFactory.decodeResource(res, R.drawable.some_big_img))
.setTicker(res.getString(R.string.your_ticker))
.setWhen(System.currentTimeMillis())
...
How to port data-only volumes from one host to another?
...Docker documentation on Working with Volumes there is the concept of so-called data-only containers, which provide a volume that can be mounted into multiple other containers, no matter whether the data-only container is actually running or not.
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Why is SELECT * considered harmful?
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There are really three major reasons:
Inefficiency in moving data to the consumer. When you SELECT *, you're often retrieving more columns from the database than your application really needs to function. This causes more data to mov...
Setting log level of message at runtime in slf4j
...j that can be efficiently mapped to the Level (or equivalent) type used in all of the possible logging implementations behind the facade. Alternatively, the designers decided that your use-case is too unusual to justify the overheads of supporting it.
Concerning @ripper234's use-case (unit testing...
Find index of last occurrence of a sub-string using T-SQL
...ence of a string using SQL? I am using SQL Server 2000 right now. I basically need the functionality that the .NET System.String.LastIndexOf method provides. A little googling revealed this - Function To Retrieve Last Index - but that does not work if you pass in a "text" column expression. ...