大约有 4,500 项符合查询结果（耗时：0.0350秒） [XML]
Validate that a string is a positive integer
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Close, unless "1.0" or ".1e1" are allowed.
– Phrogz
May 31 '12 at 13:44
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What is the rationale for all comparisons returning false for IEEE754 NaN values?
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What should be the result of sqrt(1.00000000000000022)==sqrt(1.0)? How about (1E308+1E308-1E308-1E308-1E308)==(1E308+1E308)? Also, only five of the six comparisons return false. The != operator returns true. Having NaN==NaN and NaN!=NaN both return false ...
AI2 SideBar Extension
... to me: E-Mail to Ulli. Version history Version Adjustments 1.0 (2021-01-28) Initial version 1.1 (2021-10-05) Event ItemCheckedChanged was not triggered. 1.2 (2022-09-01) Graphic files from the asset area can be selected as icons for the sidebar items. 1.3 (2...
Android: How can I get the current foreground activity (from a service)?
...ice Info
Put this in res/xml/accessibilityservice.xml:
<?xml version="1.0" encoding="utf-8"?>
<!-- These options MUST be specified here in order for the events to be received on first
start in Android 4.1.1 -->
<accessibility-service
xmlns:tools="http://schemas.android.com/tool...
How do you clear a slice in Go?
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@alediaferia ever since go 1.0 certainly.
– Nick Craig-Wood
Jan 11 '16 at 21:48
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show 2 mor...
Why is XOR the default way to combine hashes?
...tant. I used: std::cout << std::hex << (unsigned long long) ((1.0L/3.14159265358979323846264338327950288419716939937510L)*(powl(2.0L,64.0L))) << std::endl; with cout.precision( numeric_limits<long double>::max_digits10 ); Thanks again Yakk.
– Dave
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Validating an XML against referenced XSD in C#
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The preceding example uses the following input files.
<?xml version='1.0'?>
<bookstore xmlns="urn:bookstore-schema" xmlns:cd="urn:cd-schema">
<book genre="novel">
<title>The Confidence Man</title>
<price>11.99</price>
</book>
<cd:cd...
Replace selector images programmatically
...on drawable states i have something like the following.
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawable/top_bar_default" >
</item>
<item android:id="@+id/nav_icon...
Awk学习笔记 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...分别是Alfred Aho、Brian Kernighan、Peter Weinberger。gawk是awk的GNU版本，它提供了Bell实验室和GNU的一些扩展。下面介绍的awk是以GUN的gawk为例的，在linux系统中已把awk链接到gawk，所以下面全部以awk进行介绍。
2. awk命令格式和选项
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Compute a confidence interval from sample data
...scipy.stats
def mean_confidence_interval(data, confidence=0.95):
a = 1.0 * np.array(data)
n = len(a)
m, se = np.mean(a), scipy.stats.sem(a)
h = se * scipy.stats.t.ppf((1 + confidence) / 2., n-1)
return m, m-h, m+h
you can calculate like this way.
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