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round up to 2 decimal places in java? [duplicate]
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444
Well this one works...
double roundOff = Math.round(a * 100.0) / 100.0;
Output is
123.14
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How do you sort a dictionary by value?
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Leon BambrickLeon Bambrick
24.1k99 gold badges4747 silver badges7373 bronze badges
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Creating a UIImage from a UIColor to use as a background image for UIButton [duplicate]
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145
I created a category around UIButton to be able to set the background color of the button and s...
OS detecting makefile
... ($(OS),Windows_NT)
CCFLAGS += -D WIN32
ifeq ($(PROCESSOR_ARCHITEW6432),AMD64)
CCFLAGS += -D AMD64
else
ifeq ($(PROCESSOR_ARCHITECTURE),AMD64)
CCFLAGS += -D AMD64
endif
ifeq ($(PROCESSOR_ARCHITECTURE),x86)
CCFLAGS += -D IA32
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Repairing Postgresql after upgrading to OSX 10.7 Lion
...is on the top
– Greg
Aug 5 '11 at 0:47
153
Also, note that if you installed the pg gem BEFORE fix...
Correct way to define C++ namespace methods in .cpp file
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Paul Roub
34.4k88 gold badges6767 silver badges8181 bronze badges
answered Dec 30 '11 at 16:48
GILGAMESHGILGAMES...
How to find the type of an object in Go?
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14 Answers
14
Active
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Setting ANDROID_HOME enviromental variable on Mac OS X
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edited Apr 22 '19 at 7:54
Anja Ishmukhametova
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answered Nov 1...
C语言结构体里的成员数组和指针 - c++1y / stl - 清泛IT社区，为创新赋能！
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}复制代码
你编译一下上面的代码，在VC++和GCC下都会在14行的printf处crash掉你的程序。@Laruence 说这个是个经典的坑，我觉得这怎么会是经典的坑呢？上面这代码，你一定会问，为什么if语句判断的不是f.a？而是f.a里面的数组？写...
How do I seed a random class to avoid getting duplicate random values [duplicate]
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edited Nov 23 '09 at 20:41
answered Nov 23 '09 at 20:33
M...