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What is the difference between a generative and a discriminative algorithm?
...or example, you could use p(x,y) to generate likely (x,y) pairs.
From the description above, you might be thinking that generative models are more generally useful and therefore better, but it's not as simple as that. This paper is a very popular reference on the subject of discriminative vs. gener...
How should equals and hashcode be implemented when using JPA and Hibernate
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Hibernate has a nice and long description of when / how to override equals() / hashCode() in documentation
The gist of it is you only need to worry about it if your entity will be part of a Set or if you're going to be detaching / attaching its instances...
How would I extract a single file (or changes to a file) from a git stash?
...sh manpage you can read (in the "Discussion" section, just after "Options" description) that:
A stash is represented as a commit whose tree records the state of the
working directory, and its first parent is the commit at HEAD when the
stash was created.
So you can treat stas...
How to concatenate multiple lines of output to one line?
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| tr '\n' ' ' was not working for me when called through php exec function. It was ignoring tr, and just giving last match from grep. | xargs worked.
– Adarsha
Mar 26 '15 at 17:07
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AI2 Keep Awake
... to standby. Alarms can be set via the UrsAI2Alarm extension. Below is a description of how to set up Android via the settings so that battery optimization is largely switched off (see Battery optimization settings below). In newer Android versions, however, this is not sufficient to keep the ...
Side-by-side plots with ggplot2
...and save_plot() makes the saved image twice as wide.)
For a more in-depth description of how to arrange plots in a grid see this vignette. There is also a vignette explaining how to make plots with a shared legend.
One frequent point of confusion is that the cowplot package changes the default ggp...
Postgres: How to do Composite keys?
...n refinements to do. Perhaps a separate question, with a natural language description of your model and a few example records, would help.
– pilcrow
Aug 17 '09 at 4:58
add a ...
How was the first compiler written?
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I've heard that Hopper wrote the first compiler, but the description above it makes it sound more like a linker than a compiler. Still, good story. It's amazing to think there was a time when computer scientists were skeptical about the idea of compilers...
– ...
融资千万美元后的足记要如何应对“爆款后遗症”？ - 资讯 - 清泛网 - 专注C...
...动。但杨柳认为这几个月还是做了不少重要的事：后台从php架构换成Java架构。这些工作前端看不到，但如果不改后台，新功能一个都上不了。
8月底9月初，足记的新版本即将上线，他们并不会推出更多类似“大片”的模式，寻...
ArithmeticException: “Non-terminating decimal expansion; no exact representable decimal result”
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Check out this link :
http://edelstein.pebbles.cs.cmu.edu/jadeite/main.php?api=java6&state=class&package=java.math&class=MathContext
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