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Ruby custom error classes: inheritance of the message attribute
... you don't have to pass it to the constructor:
class MyCustomError < StandardError
attr_reader :object
def initialize(object)
@object = object
end
end
begin
raise MyCustomError.new("an object"), "a message"
rescue MyCustomError => e
puts e.message # => "a message"
puts e....
Get ffmpeg information in friendly way
...t information you want it to display (with the -show_format, -show_packets and -show_streams options) or it'll just give you blank output (like you mention in one of your comments).
For example, ffprobe -v quiet -print_format json -show_format -show_streams somefile.asf would yield something like t...
How to print full stack trace in exception?
...
Very good. I was looking for a simple way to do it and here it is. Some little concern is it is not as much explicit as if you use exception.StackTrace object (for example). I wonder if there is a more explicit way to do the same?
– codea
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How to output numbers with leading zeros in JavaScript [duplicate]
...size);
}
If you care about negative numbers you'll have to strip the "-" and readd it.
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How to abandon a hg merge?
...d of code formatter tool to do the entire operation, or at least some find and replace with regular expressions. Something as simple as replacing what matches ^____ (use 4 spaces instead of underscores) with __ (2 spaces), repeated a few times (unless you have insanely some nested code) should work....
Python Pandas: Get index of rows which column matches certain value
...ue
50 True
[3 rows x 1 columns]
If you have a boolean array, mask, and need ordinal index values, you can compute them using np.flatnonzero:
In [110]: np.flatnonzero(df['BoolCol'])
Out[112]: array([0, 3, 4])
Use df.iloc to select rows by ordinal index:
In [113]: df.iloc[np.flatnonzero(df...
How to detect responsive breakpoints of Twitter Bootstrap 3 using JavaScript?
...witter Bootstrap 3 have the following responsive breakpoints: 768px, 992px and 1200px, representing small, medium and large devices respectively.
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Output array to CSV in Ruby
.... If you don't specify this, it'll default to "rb" (read-only binary mode) and you would get an error when trying to add to your csv file. See ruby-doc.org/core-1.9.3/IO.html for a list of valid file modes in Ruby.
– Dylan Markow
Jul 16 '12 at 14:08
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How to optimize imports automatically after each save in IntelliJ IDEA
...o Optimize imports on the fly in Settings | Editor | General | Auto Import and Optimize imports option in the Commit Project dialog.
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How to properly overload the
...lains, where before it did not. This code was left on a shelf for 6 months and in between I upgraded my computer from debian etch to lenny (g++ (Debian 4.3.2-1.1) 4.3.2
) however I have the same problem on a Ubuntu system with the same g++.
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