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Create the perfect JPA entity [closed]
...nd your time on what's important.
Constructors: create a constructor with all required fields of the entity?
Constructor(s) for application logic, should have only a few critical "foreign key" or "type/kind" fields which will always be known when creating the entity. The rest should be set by call...
Media Player called in state 0, error (-38,0)
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You need to call mediaPlayer.start() in the onPrepared method by using a listener.
You are getting this error because you are calling mediaPlayer.start() before it has reached the prepared state.
Here is how you can do it :
mp.setDataSo...
Putting HTML inside Html.ActionLink(), plus No Link Text?
...need to use ajax or some feature which you cannot use when making link manually (using tag):
<%= Html.ActionLink("LinkTextToken", "ActionName", "ControllerName").ToHtmlString().Replace("LinkTextToken", "Refresh <span class='large sprite refresh'></span>")%>
You can use any text...
What is the difference between Xamarin.Form's LayoutOptions, especially Fill and Expand?
...lignment the view is moved to the top. For horizontal alignment this is usually the left-hand side. (But note, that on devices with right-to-left language setting this is the other way around, i.e. right aligned.)
Center: The view is centered.
End: Usually the view is bottom or right aligned. (On ri...
What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?
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Your first port of call should be the documentation which explains it reasonably clearly:
Thrown to indicate that an array has been accessed with an illegal index. The index is either negative or greater than or equal to the size of the arra...
plot a circle with pyplot
...nd the axes (but not beyond the figure, ie the figure size is not automatically adjusted to plot all of your artists).
The units for x, y and radius correspond to data units by default. In this case, I didn't plot anything on my axes (fig.gca() returns the current axes), and since the limits have n...
How to force a Solution file (SLN) to be opened in Visual Studio 2013?
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@UweKeim I imagine it has a fallback of "if I don't recognise the value, or that IDE is not installed, use the most recent IDE installed"
– Marc Gravell♦
Oct 22 '13 at 9:09
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Private pages for a private Github repo
... support ticket against Github and got a response confirming the fact that ALL pages are public. I've now requested them to add a note to help.github.com/pages.
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Writing a list to a file with Python
...ist:
print >> f, item
If you're keen on a single function call, at least remove the square brackets [], so that the strings to be printed get made one at a time (a genexp rather than a listcomp) -- no reason to take up all the memory required to materialize the whole list of strings....
How can I pretty-print JSON in a shell script?
...ou can use
curl http://my_url/ | python -m json.tool
For convenience in all of these cases you can make an alias:
alias prettyjson='python -m json.tool'
For even more convenience with a bit more typing to get it ready:
prettyjson_s() {
echo "$1" | python -m json.tool
}
prettyjson_f() {...