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Is there an equivalent of lsusb for OS X
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136
I got tired of forgetting the system_profiler SPUSBDataType syntax, so I made an lsusb alternat...
Include all existing fields and add new fields to document
...peline operator which is nothing other than an alias to $addFieldsadded in 3.4
The $addFields stage is equivalent to a $project stage that explicitly specifies all existing fields in the input documents and adds the new fields.
db.collection.aggregate([
{ "$addFields": { "custom_field": "...
Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
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Using GHC 7.0.3, gcc 4.4.6, Linux 2.6.29 on an x86_64 Core2 Duo (2.5GHz) machine, compiling using ghc -O2 -fllvm -fforce-recomp for Haskell and gcc -O3 -lm for C.
Your C routine runs in 8.4 seconds (faster than your run probably because ...
Find a Pull Request on Github where a commit was originally created
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234
You can just go to github and enter the SHA into the search bar, make sure you select the "Issu...
linux下iptables配置详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...T udp -- 0.0.0.0/0 224.0.0.251 udp dpt:5353
ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:631
ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED
ACCEPT tcp -- 0.0.0.0/0...
Add days to JavaScript Date
... care of automatically incrementing the month if necessary. For example:
8/31 + 1 day will become 9/1.
The problem with using setDate directly is that it's a mutator and that sort of thing is best avoided. ECMA saw fit to treat Date as a mutable class rather than an immutable structure.
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Streaming via RTSP or RTP in HTML5
...RTP streams.
</video>
or maybe
<video src="http://myserver.com:1935/path/to/stream/myPlaylist.m3u8">
Your browser does not support the VIDEO tag and/or RTP streams.
</video>
That said, the implementation of the <video> tag is browser specific. Since it is early days f...
What is the easiest way in C# to trim a newline off of a string?
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answered Jun 24 '09 at 12:30
Simon WilsonSimon Wilson
8,23933 gold badges2626 silver badges2424 bronze badges
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Why do variable names often start with the letter 'm'? [duplicate]
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310
It stands for member. I personally find this convention unhelpful, but it's subjective.
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Getting command-line password input in Python
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312
Use getpass.getpass():
from getpass import getpass
password = getpass()
An optional prompt ...