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How to convert an array of strings to an array of floats in numpy?

...erator now.) However, if it's already a numpy array of strings, there's a better way. Use astype(). import numpy as np x = np.array(['1.1', '2.2', '3.3']) y = x.astype(np.float) share | improve ...
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What does the “===” operator do in Ruby? [duplicate]

I've seen it used a few times lately but can't figure out what it does. Can anyone illustrate how it works? 3 Answers ...
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What's the difference between the atomic and nonatomic attributes?

... The last two are identical; "atomic" is the default behavior (note that it is not actually a keyword; it is specified only by the absence of nonatomic -- atomic was added as a keyword in recent versions of llvm/clang). Assuming that you are @synthesizing the method implementa...
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Makefile经典教程(入门必备) - C/C++ - 清泛网 - 专注IT技能提升

...每个源文件都应该对应于一个中间目标文件(O文件或是OBJ文件)。 1 Makefile 介绍 cc -o edit main.o kbd.o command.o display.o \ cc -c main.c cc -c kbd.c cc -c command.c ...
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Makefile经典教程(入门必备) - C/C++ - 清泛网 - 专注IT技能提升

...每个源文件都应该对应于一个中间目标文件(O文件或是OBJ文件)。 1 Makefile 介绍 cc -o edit main.o kbd.o command.o display.o \ cc -c main.c cc -c kbd.c cc -c command.c ...
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Makefile经典教程(入门必备) - C/C++ - 清泛网 - 专注IT技能提升

...每个源文件都应该对应于一个中间目标文件(O文件或是OBJ文件)。 1 Makefile 介绍 cc -o edit main.o kbd.o command.o display.o \ cc -c main.c cc -c kbd.c cc -c command.c ...
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Makefile经典教程(入门必备) - C/C++ - 清泛网 - 专注IT技能提升

...每个源文件都应该对应于一个中间目标文件(O文件或是OBJ文件)。 1 Makefile 介绍 cc -o edit main.o kbd.o command.o display.o \ cc -c main.c cc -c kbd.c cc -c command.c ...
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Makefile经典教程(入门必备) - C/C++ - 清泛网 - 专注IT技能提升

...每个源文件都应该对应于一个中间目标文件(O文件或是OBJ文件)。 1 Makefile 介绍 cc -o edit main.o kbd.o command.o display.o \ cc -c main.c cc -c kbd.c cc -c command.c ...
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Makefile经典教程(入门必备) - C/C++ - 清泛网 - 专注IT技能提升

...每个源文件都应该对应于一个中间目标文件(O文件或是OBJ文件)。 1 Makefile 介绍 cc -o edit main.o kbd.o command.o display.o \ cc -c main.c cc -c kbd.c cc -c command.c ...
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Makefile经典教程(入门必备) - C/C++ - 清泛网 - 专注IT技能提升

...每个源文件都应该对应于一个中间目标文件(O文件或是OBJ文件)。 1 Makefile 介绍 cc -o edit main.o kbd.o command.o display.o \ cc -c main.c cc -c kbd.c cc -c command.c ...