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Keep-alive header clarification
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Where is this info kept ("this connection is between computer A and server F")?
A TCP connection is recognized by source IP and port and destination IP and port. Your OS, all intermediate session-aware devices and the server's OS will re...
How to format strings in Java
.... + is equivalent to using StringBuilder, not String.concat. (Way too much info on this.)
– Søren Løvborg
Sep 4 '12 at 8:01
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How to migrate back from initial migration in Django 1.7?
...tion history and drops all tables of <app>
See django docs for more info.
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iOS change navigation bar title font and color
...ont file(.ttf,.ttc)
Import the font files to your Xcode project
In the app-info.plist,add a key named Fonts provided by
application.It's an array type , add all your font file names to the
array,note:including the file extension.
In the storyboard , on the NavigationBar go to the Attribute
Inspector...
text-overflow: ellipsis not working
...It uses -webkit-* properties, but is supported in all major browsers. More info can be found here: css-tricks.com/almanac/properties/l/line-clamp
– dkniffin
Apr 14 at 19:38
ad...
Rails 4 LIKE query - ActiveRecord adds quotes
...%"], order => 'name'
end
See the docs on AREL conditions for more info.
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Find number of months between two Dates in Ruby on Rails
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(date2.year * 12 + date2.month) - (date1.year * 12 + date1.month)
more info at http://www.ruby-forum.com/topic/72120
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How do I change my Ruby version using RVM?
...cripts/rvm" # Load RVM function' >> ~/.profile
source ~/.profile
rvm info # And now the fields display
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Check if application is installed - Android
...ackageManager packageManager) {
try {
packageManager.getPackageInfo(packageName, 0);
return true;
} catch (PackageManager.NameNotFoundException e) {
return false;
}
}
It attempts to fetch information about the package whose name you passed in. Failing that, if a...
Linux - Install redis-cli only
... @AlinPurcaru docker run --rm --network=host redis redis-cli info
– yihuang
Jul 28 '19 at 10:51
now it i...