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How to add 10 days to current time in Rails
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Use
Time.now + 10.days
or even
10.days.from_now
Both definitely work. Are you sure you're in Rails and not just Ruby?
If you definitely are in Rails, where are you trying to run this from? Note that Active Support has to be loaded.
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How to display nodejs raw Buffer data as Hex string
The following code uses SerialPort module to listen to data from a bluetooth connection.
2 Answers
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Why does IE9 switch to compatibility mode on my website?
... websites that require compatibility view.
You can change these settings from ‘Tools -> Compatibility view settings’ from the IE menu. Of course that menu is now sneakily hidden, so you won't see it until you press Alt.
As a site author, if you're confident that your site complies to stand...
How do I put hint in a asp:textbox
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Adding placeholder attributes from code-behind:
txtFilterTerm.Attributes.Add("placeholder", "Filter" + Filter.Name);
Or
txtFilterTerm.Attributes["placeholder"] = "Filter" + Filter.Name;
Adding placeholder attributes from aspx Page
<asp:TextBox t...
Best Practice for Forcing Garbage Collection in C#
... out?
By not letting it fill up, you are wasting your time walking to and from the garbage bin outside. This analogous to what happens when the GC thread runs - all the managed threads are suspended while it is running. And If I am not mistaken, the GC thread can be shared among multiple AppDomains...
Is there a valid reason for enforcing a maximum width of 80 characters in a code file, this day and
...dability. Narrow code can be read quickly without having to scan your eyes from side to side.
I think the last point is the most important. Though displays have grown in size and resolution in the last few years, eyes haven't.
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How do I find all of the symlinks in a directory tree?
...nts information
about files, the information used shall be taken from the prop‐
erties of the file to which the link points, not from the link
itself (unless it is a broken symbolic link or find is unable to
examine the file to which the link points). U...
Dynamically load a JavaScript file
... What can I do to get it working for cross-domain? (loading script from http://web.archive.org/web/20140905044059/http://www.howtocreate.co.uk/operaStuff/userjs/aagmfunctions.js)
– user2284570
Sep 14 '14 at 2:28
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Python matplotlib multiple bars
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import matplotlib.pyplot as plt
from matplotlib.dates import date2num
import datetime
x = [
datetime.datetime(2011, 1, 4, 0, 0),
datetime.datetime(2011, 1, 5, 0, 0),
datetime.datetime(2011, 1, 6, 0, 0)
]
x = date2num(x)
y = [4, 9, 2]
z = [1, 2...
Why doesn't the example compile, aka how does (co-, contra-, and in-) variance work?
Following on from this question , can someone explain the following in Scala:
4 Answers
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