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Running multiple commands with xargs
...gs -d $'\n' sh -c 'for arg do command1 "$arg"; command2 "$arg"; ...; done' _
...or, without a Useless Use Of cat:
<a.txt xargs -d $'\n' sh -c 'for arg do command1 "$arg"; command2 "$arg"; ...; done' _
To explain some of the finer points:
The use of "$arg" instead of % (and the absence of...
Numpy first occurrence of value greater than existing value
... argmax, where,
nonzero,
searchsorted
],
n_range=[2**k for k in range(2, 20)],
logx=True,
logy=True,
xlabel='len(array)'
)
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Difference between this and self in self-type annotations?
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How to find indices of all occurrences of one string in another in JavaScript?
...d) {
// or shorter arrow function:
// return source.split('').map((_,i) => i);
return source.split('').map(function(_, i) { return i; });
}
var result = [];
for (i = 0; i < source.length; ++i) {
// If you want to search case insensitive use
// if (source.substring(i,...
Differences between utf8 and latin1
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What's the state of the art in email validation for Rails?
...] || "is not an email")
end
end
end
class Person < ActiveRecord::Base
validates :email, presence: true, email: true
end
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...
how to make svn diff show only non-whitespace line changes between two revisions
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How do I return rows with a specific value first?
...
On SQL Server, Oracle, DB2, and many other database systems, this is what you can use:
ORDER BY CASE WHEN city = 'New York' THEN 1 ELSE 2 END, city
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Excluding directories in os.walk
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How to order events bound with jQuery
...ventData, handler);
var allEvents = $this.data("events") || $._data($this[0], "events");
var typeEvents = allEvents[eventType];
var newEvent = typeEvents.pop();
typeEvents.unshift(newEvent);
});
};
})(jQuery);
Things to note:
This hasn...