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Will docker container auto sync time with the host machine?
...our docker container cannot be resolved by running your container with -v /etc/localtime:/etc/localtime:ro
Instead, for now, you have to periodically run this on OSX:
/usr/local/bin/boot2docker ssh sudo ntpclient -s -h pool.ntp.org
Update for users of Kitematic
If you are running Kitematic, wh...
How to sort objects by multiple keys in Python?
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print item
Try it with either column negated. You will see the sort order reverse.
Next: change it so it does not use extra class....
2016-01-17
Taking my inspiration from this answer What is the best way to get the first item from an iterable matching a condition?, I shortened the code:...
Worst security hole you've seen? [closed]
...properly calculated the total cost as .1 * cost, and the human packing the order simply glossed over the odd "." in front of the quantity to pack :)
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Can “list_display” in a Django ModelAdmin display attributes of ForeignKey fields?
...ok.author
get_author.short_description = 'Author'
get_author.admin_order_field = 'book__author'
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Multiple Order By with LINQ [duplicate]
...You can use the ThenBy and ThenByDescending extension methods:
foobarList.OrderBy(x => x.Foo).ThenBy( x => x.Bar)
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How to prevent browser page caching in Rails
...tion test (BURP, Detectify, etc.), you can install this Gem on Rails 4+ in order to add the following headers to all responses:
Cache-Control: no-cache, no-store, max-age=0, must-revalidate
Pragma: no-cache
Expires: -1
Works like a charm and is really the right way to go for secure, HTTPS web app...
What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Visual Studio: Relative Assembly References Paths
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As mentioned before, you can manually edit your project's .csproj file in order to apply it manually.
I also noticed that Visual Studio 2013 attempts to apply a relative path to the reference hintpath, probably because of an attempt to make the project file more portable.
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Getting unique items from a list [duplicate]
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A HashSet won't maintain any ordering, which may or may not be an issue for the OP.
– LukeH
Sep 7 '09 at 9:13
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How to avoid mysql 'Deadlock found when trying to get lock; try restarting transaction'
... that can help with most deadlocks is sorting the operations in a specific order.
You get a deadlock when two transactions are trying to lock two locks at opposite orders, ie:
connection 1: locks key(1), locks key(2);
connection 2: locks key(2), locks key(1);
If both run at the same time, connecti...