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The Concept of 'Hold space' and 'Pattern space' in sed
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edited Oct 11 '12 at 8:01
answered Oct 11 '12 at 7:30
Ja...
Refresh all files in buffer from disk in vim
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answered Aug 13 '09 at 13:40
pmfpmf
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Private virtual method in C++
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answered Jan 31 '10 at 5:42
Prasoon SauravPrasoon Saurav
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How to compare DateTime in C#?
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MSDN: DateTime.Compare
DateTime date1 = new DateTime(2009, 8, 1, 0, 0, 0);
DateTime date2 = new DateTime(2009, 8, 1, 12, 0, 0);
int result = DateTime.Compare(date1, date2);
string relationship;
if (result < 0)
relationship = "is earlier than";
else if (result == 0)
rel...
psql: FATAL: Peer authentication failed for user “dev”
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Try:
psql -U user_name -h 127.0.0.1 -d db_name
where
-U is the database user name
-h is the hostname/IP of the local server, thus avoiding Unix domain sockets
-d is the database name to connect to
This is then evaluated as a "network" connection by ...
Run a callback only if an attribute has changed in Rails
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200
Rails 5.1+
class Page < ActiveRecord::Base
before_save :do_something, if: :will_save_chan...
How to Test a Concern in Rails
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edited Sep 24 '19 at 10:07
Rimian
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answ...
Hidden features of WPF and XAML?
...xtBlock>
<TextBlock.Text>
<MultiBinding StringFormat="{}{0}, {1}">
<Binding Path="LastName" />
<Binding Path="FirstName" />
</MultiBinding>
</TextBlock.Text>
</TextBlock>
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Does Git Add have a verbose switch
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edited Feb 28 '19 at 12:00
B--rian
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answered Se...