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Nullable Foreign Key bad practice?

... Nullable columns can be in 1NF through 5NF, but not in 6NF according to what I've read. Only if you know better than Chris Date "what first normal form really means". If x and y are both nullable, and indeed in some row x and y are both null, then WHERE x=y does not yield true. This proves be...
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What is the difference between pylab and pyplot? [duplicate]

What is the difference between matplotlib.pyplot and matplotlib.pylab? 1 Answer 1 ...
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Using gradle to find dependency tree

Is it possible to use gradle to produce a tree of what depends on what? 14 Answers 14 ...
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NodeJS: How to get the server's port?

... Thanks, I think that's exactly what I'm looking for. I'll accept it as soon as I get a chance to test it. Cheers. – David Tang Jan 30 '11 at 20:54 ...
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How to determine SSL cert expiration date from a PEM encoded certificate?

... Thanks! This is exactly what I needed! With the exit codes, it will make for a much smaller/cleaner program. – Lon Kaut Aug 2 '19 at 18:53 ...
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Fixed Table Cell Width

...gnore it. However, the word-break suggestion isn't necessary unless that's what you're aiming for. – thebdawk05 Jul 29 '13 at 18:12 ...
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Node.js or Erlang

...ipt. There is no any type of inheritance in Erlang, so you are always sure what function you call. There is no implicit type conversion in Erlang, so you are always sure what types of data you use. There is no destructive assignment so you are always sure you won't have some old piece of code broken...
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Make HTML5 video poster be same size as video itself

... Depending on what browsers you're targeting, you could go for the object-fit property to solve this: object-fit: cover; or maybe fill is what you're looking for. Still under consideration for IE. ...
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jQuery $(document).ready and UpdatePanels?

...no longer subscribed because there are new elements in that update panel. What I've done to work around this is re-subscribe to the events I need after every update. I use $(document).ready() for the initial load, then use Microsoft's PageRequestManager (available if you have an update panel on you...
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Change Checkbox value without triggering onCheckChanged

...n't do it. The onCheckedChanged method is called directly from setChecked. What you can do is the following: mCheck.setOnCheckedChangeListener (null); mCheck.setChecked (false); mCheck.setOnCheckedChangeListener (mListener); See the source of CheckBox, and the implementation of setChecked: publi...