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Move cursor to end of file in vim
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423
No need to explicitly go to the end of line before doing a, use A;
Append text at the end of lin...
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": "...
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...
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 ...
So, JSONP or CORS? [closed]
...your servers and you need to support IE<=9, Opera<12, or Firefox<3.5 or various other older or obscure browsers, CORS is out, use JSONP. IE8 and IE9 sorta support CORS but have problems, see the link in the first comment below.
On the other hand, if your web API is read/write (e.g. full R...