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Can lambda functions be templated?
...l and stick to monomorphic lambdas.
However, with the removal of concepts from C++0x, polymorphic lambdas become a simple proposition again. However, I can't find any proposals for it. :(
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Double vs single quotes
...anguage. It will help you understand what you are doing (and will keep you from thinking that Rails is magic). I personally recommend The Well grounded Rubyist.
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How can I change the default Django date template format?
...ate is provideded as a datetime object. What if it is just a string passed from the view?
– Mohammed Shareef C
Dec 13 '16 at 5:33
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How do I preview emails in Rails?
...review.rb
class NotifierPreview < ActionMailer::Preview
# Accessible from http://localhost:3000/rails/mailers/notifier/welcome
def welcome
Notifier.welcome(User.first)
end
end
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How to extract the substring between two markers?
...e ? modifies the + to be non-greedy, ie. it will match any number of times from 1 upwards but as few as possible, only expanding as necessary. without the ?, the first group would match gfgfAAA2ZZZkeAAA43ZZZonife as 2ZZZkeAAA43, but with the ? it would only match the 2, then searching for multiple (...
Bash script to calculate time elapsed
...
Combining this with SECONDS from Lon Kaut's answer and keeping mind that $/${} is unnecessary on arithmetic variables makes the code so short it could even be used inline: echo "$((SECONDS/3600))h $(((SECONDS/60)%60))m $((SECONDS%60))s"
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How do I programmatically click a link with javascript?
... it did not work in IE9, but setting location.href actually sent the email from the mailto: link. Great solution!
– ajeh
Mar 2 '15 at 19:36
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How do I create a message box with “Yes”, “No” choices and a DialogResult?
...use this variant with text strings, here's the complete changed code (Code from Mikael), tested in C# 2012:
// Variable
string MessageBoxTitle = "Some Title";
string MessageBoxContent = "Sure";
DialogResult dialogResult = MessageBox.Show(MessageBoxContent, MessageBoxTitle, MessageBoxButtons.YesNo)...
jQuery using append with effects
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Another way when working with incoming data (like from an ajax call):
var new_div = $(data).hide();
$('#old_div').append(new_div);
new_div.slideDown();
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Displaying Windows command prompt output and redirecting it to a file
... it will work, but you will get stuck if the command wait a input from stdin.
– Vitim.us
Apr 18 '13 at 16:03
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