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Fundamental difference between Hashing and Encryption algorithms
...d a (usually) fixed length (or smaller length) output. It can be anything from a simple crc32, to a full blown cryptographic hash function such as MD5 or SHA1/2/256/512. The point is that there's a one-way mapping going on. It's always a many:1 mapping (meaning there will always be collisions) si...
Timeout command on Mac OS X?
...u need timeout, use
gtimeout
..instead. To explain why here's a snippet from the Homebrew Caveats section:
Caveats
All commands have been installed with the prefix 'g'.
If you really need to use these commands with their normal names, you
can add a "gnubin" directory to your PATH ...
How to set a Default Route (To an Area) in MVC
...e is to first create an abstract AreaAwareViewEngine that derives directly from VirtualPathProviderViewEngine instead of WebFormViewEngine. I did this so that if you want to create Spark views instead (or whatever), you can still use this class as the base type.
The code below is pretty long-winded...
Cluster analysis in R: determine the optimal number of clusters
...04935647
[10,] 3.445291 4.369232 0.9239414 0.05055486
Here's the output from Edwin Chen's implementation of the gap statistic:
Seven. You may also find it useful to explore your data with clustergrams to visualize cluster assignment, see http://www.r-statistics.com/2010/06/clustergram-visualiza...
How can I disable the Maven Javadoc plugin from the command line?
...
this is not properly from command line as required by the question, but it works great if you need to disable permanently the javadoc.
– Lorenzo Sciuto
Apr 9 '18 at 9:41
...
In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
...ome example java code for making md5 hashes. One part converts the results from bytes to a string of hex digits:
28 Answers...
Minimal web server using netcat
...
From man for nc, -p description: It is an error to use this option in conjunction with the -l option
– sbeliakov
Nov 24 '16 at 14:59
...
How to get value from form field in django framework?
How do I get values from form fields in the django framework? I want to do this in views, not in templates...
5 Answers
...
Getting hold of the outer class object from the inner class object
...he JLS as Qualified this.
I don't think there's a way to get the instance from outside the code of the inner class though. Of course, you can always introduce your own property:
public OuterClass getOuter() {
return OuterClass.this;
}
EDIT: By experimentation, it looks like the field holding...
Further understanding setRetainInstance(true)
...cause it does have some useful information, but sadly none of it is linked from setRetainInstance(). From the page about fragments
Note: Each fragment requires a unique identifier that the system can
use to restore the fragment if the activity is restarted (and which
you can use to capture t...