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final keyword in method parameters [duplicate]
...nt to anything else, the caller of the function never loses its reference, and continues to point to the same object.
– Armand
Feb 20 '14 at 18:19
14
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How can I turn a List of Lists into a List in Java 8?
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You can use flatMap to flatten the internal lists (after converting them to Streams) into a single Stream, and then collect the result into a list:
List<List<Object>> list = ...
List<Object> flat =
list.stream()
.flatMap(List::stream)
.collec...
How can I add a hint text to WPF textbox?
...eelBlue" Visibility="{Binding ElementName=txtSearchBox, Path=Text.IsEmpty, Converter={StaticResource MyBoolToVisibilityConverter}}" IsHitTestVisible="False"/>
<!-- enter term here -->
<TextBox MinWidth="50" Name="txtSearchBox" Background="Transparent" />
</Grid&...
Spring JPA selecting specific columns
... answered Feb 25 '14 at 7:43
DurandalDurandal
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How to drop a PostgreSQL database if there are active connections to it?
...s will drop existing connections except for yours:
Query pg_stat_activity and get the pid values you want to kill, then issue SELECT pg_terminate_backend(pid int) to them.
PostgreSQL 9.2 and above:
SELECT pg_terminate_backend(pg_stat_activity.pid)
FROM pg_stat_activity
WHERE pg_stat_activity.datn...
Interfaces — What's the point?
The reason for interfaces truly eludes me. From what I understand, it is kind of a work around for the non-existent multi-inheritance which doesn't exist in C# (or so I was told).
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Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
.... Is it ever advantageous to use goto in a language that supports loops and functions? If so, why?
25 Answers
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How to use base class's constructors and assignment operator in C++?
I have a class B with a set of constructors and an assignment operator.
5 Answers
5
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Format a number as 2.5K if a thousand or more, otherwise 900
...s to use it? For example, say $mynumber_output = 12846, I would like 12846 converted to 12.8k
– user7537274
Feb 8 '17 at 23:13
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Does the Go language have function/method overloading?
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func (e *Easy)SetOption(any []interface{})
The process converts the parameters to this- empty interface{} .
The first type of conversion, and then the internal logic processes.
http://zerousm99.blogspot.kr/2015/01/golang-overload.html
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