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How do I run a rake task from Capistrano?
...ilding a generic version of Mirek Rusin's answer:
desc 'Invoke a rake command on the remote server'
task :invoke, [:command] => 'deploy:set_rails_env' do |task, args|
on primary(:app) do
within current_path do
with :rails_env => fetch(:rails_env) do
rake args[:command]
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How to calculate the number of occurrence of a given character in each row of a column of strings?
... Sorry I was unclear. I was actually responding to tim riffe and telling him that his function threw an error with the problem posed. He may have used your redefinition of the problem but he didn't say so.
– IRTFM
Sep 14 '12 at 20:14
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Numpy - add row to array
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edited Mar 15 at 19:34
Andrea Araldo
74688 silver badges1414 bronze badges
answered Oct 7 '10 at 12:14
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How do I strip all spaces out of a string in PHP? [duplicate]
...ring = str_replace(' ', '', $string);
For all whitespace (including tabs and line ends), use preg_replace:
$string = preg_replace('/\s+/', '', $string);
(From here).
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C# switch on type [duplicate]
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I usually use a dictionary of types and delegates.
var @switch = new Dictionary<Type, Action> {
{ typeof(Type1), () => ... },
{ typeof(Type2), () => ... },
{ typeof(Type3), () => ... },
};
@switch[typeof(MyType)]();
It's a little ...
What is the most efficient way to concatenate N arrays?
...catenating more than two arrays, concat() is the way to go for convenience and likely performance.
var a = [1, 2], b = ["x", "y"], c = [true, false];
var d = a.concat(b, c);
console.log(d); // [1, 2, "x", "y", true, false];
For concatenating just two arrays, the fact that push accepts multiple ar...
How to add 2 buttons into the UINavigationbar on the right side without IB?
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Nice and simple! I also included the existing right button (set in IB) UIBarButtonItem *btnCurrent = self.navigationItem.rightBarButtonItem;
– Duncan
Dec 4 '13 at 10:26
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How do I convert NSInteger to NSString datatype?
...ey Kozhevnikov's answer, or something similar that will work with both int and long -- e.g. long ;-) An example, though unsigned (meaning non-negative) is in Andreas Ley's answer.
– Louis St-Amour
Feb 5 '14 at 5:11
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Append lines to a file using a StreamWriter
...ter constructor you choose if you append the file, or overwrite it.
C# 4 and above offers the following syntax, which some find more readable:
new StreamWriter("c:\\file.txt", append: true);
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C++ template constructor
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As far as I understand, it's impossible to have it (because it would conflict with the default constructor - am I right?)
You are wrong. It doesn't conflict in any way. You just can't call it ever.
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