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unix domain socket VS named pipes?
...exible than named pipes. Some of their advantages are:
You can use them for more than two processes communicating (eg. a server process with potentially multiple client processes connecting);
They are bidirectional;
They support passing kernel-verified UID / GID credentials between processes;
The...
What is mattr_accessor in a Rails module?
...cumentation but it seems like 'mattr_accessor' is the Module corollary for 'attr_accessor' (getter & setter) in a normal Ruby class .
...
Pass mouse events through absolutely-positioned element
...hich it is applied and makes the event occur on the element "below".
See for details: https://developer.mozilla.org/en/css/pointer-events
It is not supported up to IE 11; all other vendors support it since quite some time (global support was ~92% in 12/'16): http://caniuse.com/#feat=pointer-even...
React.js: onChange event for contentEditable
How do I listen to change event for contentEditable -based control?
7 Answers
7
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Block commenting in Ruby
... One thing to note is that you must have the "Source" bundle enabled for the CMD + / shortcut to work. I had disabled it at some point in the past during an overzealous bundle purging rage and couldn't figure out why my Mac kept beeping at me whenever I tried using the comment shortcut.
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How do I access the host machine itself from the iPhone simulator
I'm developing an app that connects to a web service for most of it's operations. As a shortcut, I'd like to run a copy of my development server on my machine. Question is:
...
Zero-pad digits in string
...n a string. The following code does that:
$s = sprintf('%02d', $digit);
For more information, refer to the documentation of sprintf.
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Find the extension of a filename in Ruby
...
That's really basic stuff:
irb(main):002:0> accepted_formats = [".txt", ".pdf"]
=> [".txt", ".pdf"]
irb(main):003:0> File.extname("example.pdf") # get the extension
=> ".pdf"
irb(main):004:0> accepted_formats.include? File.extname("example.pdf")
=> true
irb(main)...
Force overwrite of local file with what's in origin repo?
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That's great... Exactly what I was looking for. Thanks
– Thiago Passos
May 15 '18 at 23:54
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How can I make pandas dataframe column headers all lowercase?
...ata.columns = map(str.lower, data.columns)
or
data.columns = [x.lower() for x in data.columns]
example:
>>> data = pd.DataFrame({'A':range(3), 'B':range(3,0,-1), 'C':list('abc')})
>>> data
A B C
0 0 3 a
1 1 2 b
2 2 1 c
>>> data.columns = map(str.lower, ...