大约有 40,000 项符合查询结果（耗时：0.0643秒） [XML]
Convert Iterable to Stream using Java 8 JDK
...r spliterator, and therefore better stream performance (maybe even good parallelism). It's also less code:
StreamSupport.stream(iterable.spliterator(), false)
.filter(...)
.moreStreamOps(...);
As you can see, getting a stream from an Iterable (see also this question) is...
How can I get the application's path in a .NET console application?
...Assembly().Location1
Combine that with System.IO.Path.GetDirectoryName if all you want is the directory.
1As per Mr.Mindor's comment:
System.Reflection.Assembly.GetExecutingAssembly().Location returns where the executing assembly is currently located, which may or may not be where the assembl...
How do you find the row count for all your tables in Postgres
I'm looking for a way to find the row count for all my tables in Postgres. I know I can do this one table at a time with:
...
Entity Framework: How to disable lazy loading for specific query?
...ed Aug 14 '15 at 14:13
William BallesterosWilliam Ballesteros
98188 silver badges88 bronze badges
...
What in the world are Spring beans?
... your application and that are
managed by the Spring IoC* container are called beans. A bean is an
object that is instantiated, assembled, and otherwise managed by a
Spring IoC container. These beans are created with the configuration
metadata that you supply to the container, for example, i...
In mongoDb, how do you remove an array element by its index?
...}, {'$pull': {"interests": "guitar"}})
Also, you may consider using $pullAll for removing all occurrences. More about this on the official documentation page - http://www.mongodb.org/display/DOCS/Updating#Updating-%24pull
This doesn't use index as a criteria for removing an element, but still mig...
What is the difference between print and puts?
... There is another thing ... extend the array class and override the to_s method. puts doesn't use the new to_s for an object of your new class while print does
– kapv89
Oct 28 '12 at 18:30
...
Find difference between timestamps in seconds in PostgreSQL
...
Try:
SELECT EXTRACT(EPOCH FROM (timestamp_B - timestamp_A))
FROM TableA
Details here: EXTRACT.
share
|
improve this answer
|
follow
...
jQuery: keyPress Backspace won't fire?
...
Use keyup instead of keypress. This gets all the key codes when the user presses something
share
|
improve this answer
|
follow
...
How to deal with persistent storage (e.g. databases) in Docker
...nly container pattern must be abandoned in favour of the new volumes.
Actually the volume API is only a better way to achieve what was the data-container pattern.
If you create a container with a -v volume_name:/container/fs/path Docker will automatically create a named volume for you that can:
...