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Is there a way to recover from an accidental “svn revert”?
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edited Jul 7 '15 at 12:51
answered Oct 5 '09 at 17:36
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How to randomize (shuffle) a JavaScript array?
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How to estimate how much memory a Pandas' DataFrame will need?
...es each column occupies:
>>> df.memory_usage()
Row_ID 20906600
Household_ID 20906600
Vehicle 20906600
Calendar_Year 20906600
Model_Year 20906600
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To include indexes, pass index=True.
So to get overall memory consumption:
>>> df.memory_usage...
Passing arguments to “make run”
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I don't know a way to do what you want exactly, but a workaround might be:
run: ./prog
./...
Using scp to copy a file to Amazon EC2 instance?
... scp a file from Downloads (phpMyAdmin I downloaded online) to my Amazon EC2 instance.
15 Answers
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How do I add a delay in a JavaScript loop?
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edited Apr 22 at 17:33
double-beep
3,55599 gold badges2323 silver badges3535 bronze badges
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Removing trailing newline character from fgets() input
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edited Mar 30 at 22:40
Geremia
2,3192424 silver badges3030 bronze badges
answered Apr 22 '10 at...
How can I get the font size and font name of a UILabel?
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Add a property to your view controller's .h file:
@property (nonatomic, retain) IBOutlet UILa...
从源代码剖析Mahout推荐引擎 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...们将基于单机内存算法，研究Mahout的推荐引擎的结构。
2. 标准化的程序开发过程
以UserCF的推荐算法为例，官方建议我们的开发过程：
图片摘自Mahout in Action
从上图中我们可以看到，算法是被模块化的，通过1,2,3,4的过程进行...
matplotlib does not show my drawings although I call pyplot.show()
...tplotlib.matplotlib_fname()
In [1]: import matplotlib.pyplot as p
In [2]: p.plot(range(20),range(20))
Out[2]: [<matplotlib.lines.Line2D object at 0xa64932c>]
In [3]: p.show()
If you edit ~/.matplotlib/matplotlibrc and change the backend to something like GtkAgg, you should see a plot...