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How to use Active Support core extensions
I have Active Support 3.0.3 installed and Rails 3.0.3 with Ruby 1.8.7.
5 Answers
5
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Android studio: new project vs new module
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102
From the documentation (Android Studio is based on Intellij IDEA) :
Whatever you do in Inte...
How to determine the longest increasing subsequence using dynamic programming?
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407
OK, I will describe first the simplest solution which is O(N^2), where N is the size of the col...
Socket客户端使用指导 · App Inventor 2 中文网
...Bytes）
向服务端发送二进制数据，参数是字节列表（0~255 的数字，负数按补码）。例：[165, 1, 255] 发出 A5 01 FF 三个字节；文本框里输入的十六进制「A501FF」要先用二进制组件的「十六进制转字节」转成字节列表。
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How to connect to my http://localhost web server from Android Emulator
...ct it to my localhost web server page at http://localhost or http://127.0.0.1 ?
11 Answers
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Override browser form-filling and input highlighting with HTML/CSS
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+150
for the autocompletion, you can use:
<form autocomplete="off">
regarding the coloring-problem:
from your screenshot i can se...
Selecting a row of pandas series/dataframe by integer index
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echoing @HYRY, see the new docs in 0.11
http://pandas.pydata.org/pandas-docs/stable/indexing.html
Here we have new operators, .iloc to explicity support only integer indexing, and .loc to explicity support only label indexing
e.g. imagine this scenario
In ...
Is it safe to check floating point values for equality to 0?
...ality between double or decimal type values normally, but I'm wondering if 0 is a special case.
9 Answers
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Python - Create a list with initial capacity
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def doAppend( size=10000 ):
result = []
for i in range(size):
message= "some unique object %d" % ( i, )
result.append(message)
return result
def doAllocate( size=10000 ):
result=size*[None]
for i in range(siz...
How to calculate cumulative normal distribution?
...le:
>>> from scipy.stats import norm
>>> norm.cdf(1.96)
0.9750021048517795
>>> norm.cdf(-1.96)
0.024997895148220435
In other words, approximately 95% of the standard normal interval lies within two standard deviations, centered on a standard mean of zero.
If you need t...