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Find integer index of rows with NaN in pandas dataframe
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For DataFrame df:
import numpy as np
index = df['b'].index[df['b'].apply(np.isnan)]
will giv...
Can I use an OR in regex without capturing what's enclosed?
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How to properly handle a gzipped page when using curl?
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curl will automatically decompress the response if you set the --compressed flag:
curl --compre...
Check for array not empty: any?
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Marcel JackwerthMarcel Jackwerth
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git submodule tracking latest
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spinkus
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answered Feb 8 '12 at 8:24
VonCVonC
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Hibernate lazy-load application design
...nt of view, solutions that express these intentions explicitly (namely, 2, 4 and 7) look reasonable and don't suffer from the lack of transparency.
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What is the theoretical maximum number of open TCP connections that a modern Linux box can have
...ning port can accept more than one connection simultaneously.
There is a '64K' limit that is often cited, but that is per client per server port, and needs clarifying.
Each TCP/IP packet has basically four fields for addressing. These are:
source_ip source_port destination_ip destination_port
< c...
How are GCC and g++ bootstrapped?
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edited Jun 5 '14 at 11:10
answered Feb 24 '12 at 10:56
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How to create a unique index on a NULL column?
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How to switch a user per task or set of tasks?
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With Ansible 1.9 or later
Ansible uses the become, become_user, and become_method directives t...