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Command line CSV viewer? [closed]
...e demonstrates how to use sed to insert a placeholder:
$ cat data.csv
1,2,3,4,5
1,,,,5
$ sed 's/,,/, ,/g;s/,,/, ,/g' data.csv | column -s, -t
1 2 3 4 5
1 5
$ cat data.csv
1,2,3,4,5
1,,,,5
$ column -s, -t < data.csv
1 2 3 4 5
1 5
$ sed 's/,,/, ,/g;s/,,/, ,/g' data.csv | column ...
Is there an opposite of include? for Ruby Arrays?
...
374
if @players.exclude?(p.name)
...
end
ActiveSupport adds the exclude? method to Array, Ha...
Create a dictionary with list comprehension
...sion:
{key: value for (key, value) in iterable}
Note: this is for Python 3.x (and 2.7 upwards). Formerly in Python 2.6 and earlier, the dict built-in could receive an iterable of key/value pairs, so you can pass it a list comprehension or generator expression. For example:
dict((key, func(key)) fo...
Python “extend” for a dictionary
...
phoenix
3,20611 gold badge2727 silver badges3131 bronze badges
answered Feb 23 '09 at 11:01
Nick FortescueNic...
jQuery Click fires twice when clicking on label
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130
Try adding:
evt.stopPropagation();
evt.preventDefault();
to the .bind() or .click(), whichev...
Rails: fields_for with index?
...y years ago, for a modern approach see:
https://stackoverflow.com/a/22640703/105403
This would actually be a better approach, following Rails documentation more closely:
<% @questions.each.with_index do |question,index| %>
<% f.fields_for :questions, question do |fq| %>
# ...
Android add placeholder text to EditText
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|
edited Sep 23 '13 at 3:39
Joshua Pinter
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...
Why can outer Java classes access inner class private members?
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13
Just add "and vice versa" to Given these requirements, inner classes have full access to their outer class and now it answers the question.
...
How can I get the last 7 characters of a PHP string?
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623
Use substr() with a negative number for the 2nd argument.
$newstring = substr($dynamicstring, -7...
Installing SciPy and NumPy using pip
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34
I am assuming Linux experience in my answer; I found that there are three prerequisites to gett...