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Deep Learning（深度学习）学习笔记整理系列之（二） - 大数据 & AI - 清泛...
...的图形如何表示呢？这就需要更高层次的特征表示，比如V2，V4。因此V1看像素级是像素级。V2看V1是像素级，这个是层次递进的，高层表达由底层表达的组合而成。专业点说就是基basis。V1取提出的basis是边缘，然后V2层是V1层这些b...
Deep Learning（深度学习）学习笔记整理系列之（二） - 大数据 & AI - 清泛...
...的图形如何表示呢？这就需要更高层次的特征表示，比如V2，V4。因此V1看像素级是像素级。V2看V1是像素级，这个是层次递进的，高层表达由底层表达的组合而成。专业点说就是基basis。V1取提出的basis是边缘，然后V2层是V1层这些b...
Add new row to dataframe, at specific row-index, not appended?
...,] <- newrow
existingDF
}
> insertRow(existingDF, newrow, r)
V1 V2 V3 V4
1 1 6 11 16
2 2 7 12 17
3 1 2 3 4
4 3 8 13 18
5 4 9 14 19
6 5 10 15 20
If speed is less important than clarity, then @Simon's solution works well:
existingDF <- rbind(existingDF[1:r,],newrow,existi...
How to extract the hostname portion of a URL in JavaScript
...b site and 2 applications in IIS. Eg: sub.domain.com/v1 and sub.domain.com/v2 and pages like sub.domain.com/v1/Default.aspx or sub.domain.com/v2/Products/Default.aspx , etc. How I can get value /v2, the root for my application sub.domain.com/v2 ?
– Kiquenet
Oc...
What's an elegant way to conditionally add a class to an HTML element in a view?
...
class_names (Rails 6.1+)
Rails 6.1 introduces a class_names view helper
to make it easier to conditionally apply class names
in views.
Before:
<div class="<%= item.for_sale? ? 'active' : '' %>">
After:
<div class="<%= class_n...
Git Tag list, display commit sha1 hashes
...annotated tags:
e2b2d6a172b76d44cb7b1ddb12ea5bfac9613a44 commit refs/tags/v2.11.0-rc3^{}
1310affe024fba407bff55dbe65cd6d670c8a32d commit refs/tags/v2.11.0-rc2^{}
3ab228137f980ff72dbdf5064a877d07bec76df9 commit refs/tags/v2.11.0-rc1^{}
1fe8f2cf461179c41f64efbd1dc0a9fb3b7a0fb1 commit refs/tags/v2.11....
Best practices for API versioning? [closed]
.... So accessing any of the obsolete URIs like these:
http://shonzilla/api/v2.2/customers/1234
http://shonzilla/api/v2.0/customers/1234
http://shonzilla/api/v2/customers/1234
http://shonzilla/api/v1.1/customers/1234
http://shonzilla/api/v1/customers/1234
should return any of the 30x HTTP status co...
Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...表中的对应项，造成链路中断（NAT超时的更多描述见附录6.1）。NAT超时是影响TCP连接寿命的一个重要因素(尤其是国内)，所以客户端自动测算NAT超时时间，来动态调整心跳间隔，是一个重要的优化点。
2、DHCP的租期（lease time）
...
Index all *except* one item in python
...e approaches would fail.
For example:
v1 = [[range(3)] for x in range(4)]
v2 = v1[:3]+v1[4:] # this fails
v2
For the general case, use
removed_index = 1
v1 = [[range(3)] for x in range(4)]
v2 = [x for i,x in enumerate(v1) if x!=removed_index]
v2
...
How to check SQL Server version
...) 1988-2008 Microsoft Corporation Express
Edition (64-bit) on Windows NT 6.1 <X64> (Build 7600: )
Method 2: Connect to the server by using Object Explorer in SQL Server Management Studio. After Object Explorer is connected, it will show the version information in parentheses, together with...