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What does Docker add to lxc-tools (the userspace LXC tools)?
...ur machine's specific configuration: networking, storage, logging, distro, etc. Docker defines an abstraction for these machine-specific settings, so that the exact same docker container can run - unchanged - on many different machines, with many different configurations.
Application-centric. Docke...
data.table vs dplyr: can one do something well the other can't or does poorly?
...st of the features here and also in this post. In addition:
fread - fast file reader has been available for a long time now.
fwrite - a parallelised fast file writer is now available. See this post for a detailed explanation on the implementation and #1664 for keeping track of further developments...
Laravel Eloquent ORM Transactions
...out: 1. You need to add "use DB;" to do this e.g. at the top of your model file 2. Unlike JS, you don't get access to local variables in the parent scope unless you explicitly pass them in, you need to add the "use" construct thusly... DB::transaction(function() use ($user) { ...stuffs referencing $...
Differences between hard real-time, soft real-time, and firm real-time?
...ions such as pacemakers, a large number of defense applications, avionics, etc.
Firm/soft real time systems can miss some deadlines, but eventually performance will degrade if too many are missed. A good example is the sound system in your computer. If you miss a few bits, no big deal, but miss t...
DESTDIR and PREFIX of make
...ge will go when it is installed, and where it will look for its associated files when it is run. It's what you should use if you're just compiling something for use on a single host.
make install DESTDIR=***
Number 2 is for installing to a temporary directory which is not where the package w...
What does the [Flags] Enum Attribute mean in C#?
...mentation of your enum uses Flags, and so does Enum.IsDefined, Enum.Parse, etc. Try to remove Flags and look at the result of MyColor.Yellow | MyColor.Red; without it you get "5", with Flags you get "Yellow, Red". Some other parts of the framework also use [Flags] (e.g., XML Serialization).
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Setting the zoom level for a MKMapView
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You can get the .m and .h file, add it to your project, then reference it in your map view controller, and use it as if it were a method on MKMapView, oh the joys of categories!
– PostMan
Nov 15 '10 at 22:55
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How to update npm
...chpad.net/chris-lea/node.js/ubuntu bionic Release' does not have a Release file. N: Updating from such a repository can't be done securely, and is therefore disabled by default. N: See apt-secure(8) manpage for repository creation and user configuration details. for Ubuntu 18.04
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Android emulator and virtualbox cannot run at same time
...me>\AppData\Local\Android\sdk\extras
In that directory is some kind of file like intelhaxm-android.exe. Run it.
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403 Forbidden vs 401 Unauthorized HTTP responses
...his status code for resources that are locked down by IP address ranges or files in my webroot that I don't want direct access to (i.e. a script must serve them).
– Kyle
May 9 '13 at 13:20
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