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How to get the first element of the List or Set? [duplicate]
...may be returned"(docs.oracle.com/javase/8/docs/api/java/util/stream/Stream.html)
– CrazyGreenHand
Aug 26 at 14:58
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What does mvn install in maven exactly do
...https://maven.apache.org/guides/introduction/introduction-to-the-lifecycle.html#Lifecycle_Reference
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How to list all installed packages and their versions in Python?
...and seems like they have added pip list: pip-installer.org/en/latest/usage.html#pip-list - so this is actually something that is coming already!
– jsalonen
Feb 9 '13 at 8:22
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Python: What OS am I running on?
... exists for Unix systems. The Python 3 docs: docs.python.org/3/library/os.html Availability: recent flavors of Unix.
– Irving Moy
Mar 22 at 21:49
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Spring RestTemplate GET with parameters
.../docs.spring.io/spring/docs/current/spring-framework-reference/integration.html#rest-resttemplate-uri
If you look at the JavaDoc for RestTemplate and search for "URI Template", you can see which methods you can use placeholders with.
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Android - get children inside a View?
...ew.findViewById() http://developer.android.com/reference/android/view/View.html#findViewById(int).
For example, within an activity / view:
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private void init() {
View child1 = findViewById(R.id.child1);
}
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or if you have a reference to a view:
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private void init(View root) {
View c...
Increasing (or decreasing) the memory available to R processes
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From:
http://gking.harvard.edu/zelig/docs/How_do_I2.html (mirror)
Windows users may get the error that R
has run out of memory.
If you have R already installed and
subsequently install more RAM, you may
have to reinstall R in order to take
advantage of the ad...
How to get the current working directory in Java?
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See: http://docs.oracle.com/javase/tutorial/essential/io/pathOps.html
Using java.nio.file.Path and java.nio.file.Paths, you can do the following to show what Java thinks is your current path. This for 7 and on, and uses NIO.
Path currentRelativePath = Paths.get("");
String s = currentRel...
Why do we declare Loggers static final?
...ways recommended to declare loggers as static and final, see slf4j.org/faq.html#declared_static and wiki.apache.org/commons/Logging/FrequentlyAskedQuestions section Should I declare Log references static or not?
– Matthew Farwell
Oct 2 '11 at 10:06
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What is the difference between a JavaBean and a POJO?
...nd it's caught on very nicely.
http://www.martinfowler.com/bliki/POJO.html
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