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How does the String class override the + operator?
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The toString method is defined by the primordial class Object
(§4.3.2). Many classes override it, notably Boolean, Character,
Integer, Long, Float, Double, and String.
See §5.4 for details of the string conversion context.
15.18.1.
Optimization of String Concatenation :
An...
Spring Boot + JPA : Column name annotation ignored
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answered Aug 10 '16 at 13:40
teteArgteteArg
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Delete duplicate rows from small table
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answered Jul 5 '11 at 14:15
a_horse_with_no_namea_horse_with_no_name
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How to decompile a whole Jar file? [closed]
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314
2009: JavaDecompiler can do a good job with a jar: since 0.2.5, All files, in JAR files, are dis...
Initializing select with AngularJS and ng-repeat
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Dorian
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answered Sep 6 '13 at 5:26
zs2020zs2020
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How to install pip for Python 3 on Mac OS X?
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14 Answers
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How to create a HashMap with two keys (Key-Pair, Value)?
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asherbar
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answered Feb 3 '13 at 22:25
Tomasz NurkiewiczTo...
How to turn on (literally) ALL of GCC's warnings?
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You can't.
The manual for GCC 4.4.0 is only comprehensive for that version, but it does list all the possible warnings for 4.4.0. They're not all on the page you link to though, for instance some language-specific options are on the pages for C++ options ...
How to atomically delete keys matching a pattern using Redis
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439
Starting with redis 2.6.0, you can run lua scripts, which execute atomically. I have never wri...
Is mongodb running?
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145
check with either:
ps -edaf | grep mongo | grep -v grep # "ps" flags may differ on your OS...