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What is the difference between the kernel space and the user space?
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The really simplified answer is that the kernel runs in kernel space, and normal programs run in user space. User space is basically a form of sand-boxing -- it restricts user programs so they can't mess with memory (and other reso...
What is the difference between linear regression and logistic regression?
...e, and greater than 1 whereas probability can not. As regression might actually
produce probabilities that could be less than 0, or even bigger than
1, logistic regression was introduced.
Source: http://gerardnico.com/wiki/data_mining/simple_logistic_regression
Outcome
In linear regression, the...
Loading and parsing a JSON file with multiple JSON objects
... contains JSON per line, you are saved the headaches of trying to parse it all in one go or to figure out a streaming JSON parser. You can now opt to process each line separately before moving on to the next, saving memory in the process. You probably don't want to append each result to one list and...
Difference Between One-to-Many, Many-to-One and Many-to-Many?
...to a skill, but the skill need not relate back to just those people. Typically it would, but such symmetry is not a requirement. Take love, for example -- it is bi-directional ("I-Love", "Loves-Me"), but often asymmetric ("I love her, but she doesn't love me")!
All of these are well supported by H...
“Deprecation warning: moment construction falls back to js Date” when trying to convert RFC2822 date
...Date('Wed, 23 Apr 2014 09:54:51 +0000'));
The last option is a built-in fallback that Moment supports for now, with the deprecated console warning. They say they won't support this fallback in future releases. They explain that using new Date('my date') is too unpredictable.
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How to make Eclipse behave well in the Windows 7 taskbar?
All other apps that can be pinned to the taskbar behave well.
But Eclipse doesn't show recently open projects when I right click it.
It also doesn't allow to pin some projects inside it.
Note that I have the JS version of Eclipse Helios. Which spawns a new and different taskbar icon after loading.
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Deserialize JSON with C#
I'm trying to deserialize a Facebook friend's Graph API call into a list of objects. The JSON object looks like:
10 Answ...
Pros and cons of using sbt vs maven in Scala project [closed]
...ect.
Otherwise, just use SBT. You get access to the same dependencies (really the best part about maven, IMHO). You also get the incremental compilation, which is huge. The ability to start up a shell inside of your project, which is also great.
ScalaMock only works with SBT, and you're proba...
Algorithm for creating a school timetable
...ere are known solutions for algorithm of creating a school timetable. Basically, it's about optimizing "hour-dispersion" (both in teachers and classes case) for given class-subject-teacher associations. We can assume that we have sets of classes, lesson subjects and teachers associated with each ot...
Real differences between “java -server” and “java -client”?
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This is really linked to HotSpot and the default option values (Java HotSpot VM Options) which differ between client and server configuration.
From Chapter 2 of the whitepaper (The Java HotSpot Performance Engine Architecture):
The JD...